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high speed, high gain bipolar npn power transistor with integrated collector-emitter diode and built-in efficient antisaturation network the bul45d2 is stateofart high speed high gain bipolar transistor (h2bip). high dynamic characteristics and lot to lot minimum spread ( 150 ns on storage time) make it ideally suitable for light ballast applications. therefore, there is no need to guarantee an h fe window. main features: ? low base drive requirement ? high peak dc current gain (55 typical) @ i c = 100 ma ? extremely low storage time min/max guarantees due to the h2bip structure which minimizes the spread ? integrated collectoremitter free wheeling diode ? fully characterized and guaranteed dynamic v ce(sat) ? a6 sigmao process providing tight and reproductible parameter spreads it's characteristics make it also suitable for pfc application. ????????????????????????????????? ????????????????????????????????? maximum ratings ????????????????? ????????????????? rating ??????? ??????? symbol ???????? ???????? value ???? ???? unit ????????????????? ????????????????? collectoremitter sustaining voltage ??????? ??????? v ceo ???????? ???????? 400 ???? ???? vdc ????????????????? ????????????????? collectorbase breakdown voltage ??????? ??????? v cbo ???????? ???????? 700 ???? ???? vdc ????????????????? ????????????????? collectoremitter breakdown voltage ??????? ??????? v ces ???????? ???????? 700 ???? ???? vdc ????????????????? ????????????????? emitterbase voltage ??????? ??????? v ebo ???????? ???????? 12 ???? ???? vdc ????????????????? ? ??????????????? ? ????????????????? collector current e continuous e peak (1) ??????? ? ????? ? ??????? i c i cm ???????? ? ?????? ? ???????? 5 10 ???? ? ?? ? ???? adc ????????????????? ????????????????? base current e continuous base current e peak (1) ??????? ??????? i b i bm ???????? ???????? 2 4 ???? ???? adc ????????????????? ? ??????????????? ? ????????????????? *total device dissipation @ t c = 25 c *derate above 25 c ??????? ? ????? ? ??????? p d ???????? ? ?????? ? ???????? 75 0.6 ???? ? ?? ? ???? watt w/ c ????????????????? ????????????????? operating and storage temperature ??????? ??????? t j , t stg ???????? ???????? 65 to 150 ???? ???? c ????????????????????????????????? ????????????????????????????????? thermal characteristics ????????????????? ? ??????????????? ? ????????????????? thermal resistance e junction to case e junction to ambient ??????? ? ????? ? ??????? r q jc r q ja ???????? ? ?????? ? ???????? 1.65 62.5 ???? ? ?? ? ???? c/w ????????????????? ? ??????????????? ? ????????????????? maximum lead temperature for soldering purposes: 1/8 from case for 5 seconds ??????? ? ????? ? ??????? t l ???????? ? ?????? ? ???????? 260 ???? ? ?? ? ???? c (1) pulse test: pulse width = 5 ms, duty cycle 10%. on semiconductor ? semiconductor components industries, llc, 2002 april, 2002 rev. 3 1 publication order number: bul45d2/d bul45d2 power transistors 5 amperes 700 volts 75 watts case 221a09 to220ab 1 2 3 style 1: pin 1. base 2. collector 3. emitter 4. collector
bul45d2 http://onsemi.com 2 electrical characteristics (t c = 25 c unless otherwise noted) ??????????????????? ??????????????????? characteristic ????? ????? symbol ??? ??? min ???? ???? typ ???? ???? max ??? ??? unit ????????????????????????????????? ????????????????????????????????? off characteristics ??????????????????? ? ????????????????? ? ??????????????????? collectoremitter sustaining voltage (i c = 100 ma, l = 25 mh) ????? ? ??? ? ????? v ceo(sus) ??? ? ? ? ??? 400 ???? ? ?? ? ???? 450 ???? ? ?? ? ???? ??? ? ? ? ??? vdc ??????????????????? ??????????????????? collectorbase breakdown voltage (i cbo = 1 ma) ????? ????? v cbo ??? ??? 700 ???? ???? 910 ???? ???? ??? ??? vdc ??????????????????? ? ????????????????? ? ??????????????????? emitterbase breakdown voltage (i ebo = 1 ma) ????? ? ??? ? ????? v ebo ??? ? ? ? ??? 12 ???? ? ?? ? ???? 14.1 ???? ? ?? ? ???? ??? ? ? ? ??? vdc ??????????????????? ? ????????????????? ? ??????????????????? collector cutoff current (v ce = rated v ceo , i b = 0) ????? ? ??? ? ????? i ceo ??? ? ? ? ??? ???? ? ?? ? ???? ???? ? ?? ? ???? 100 ??? ? ? ? ??? m adc ??????????????? ? ????????????? ? ??????????????? collector cutoff current (v ce = rated v ces , v eb = 0) collector cutoff current (v ce = 500 v, v eb = 0) ????? ? ??? ? ????? @ t c = 25 c @ t c = 125 c @ t c = 125 c ????? ? ??? ? ????? i ces ??? ? ? ? ??? ???? ? ?? ? ???? ???? ? ?? ? ???? 100 500 100 ??? ? ? ? ??? m adc ??????????????????? ? ????????????????? ? ??????????????????? emittercutoff current (v eb = 10 vdc, i c = 0) ????? ? ??? ? ????? i ebo ??? ? ? ? ??? ???? ? ?? ? ???? ???? ? ?? ? ???? 100 ??? ? ? ? ??? m adc ????????????????????????????????? ????????????????????????????????? on characteristics ??????????????? ? ????????????? ? ??????????????? baseemitter saturation voltage (i c = 0.8 adc, i b = 80 madc) ????? ? ??? ? ????? @ t c = 25 c @ t c = 125 c ????? ? ??? ? ????? v be(sat) ??? ? ? ? ??? ???? ? ?? ? ???? 0.8 0.7 ???? ? ?? ? ???? 1 0.9 ??? ? ? ? ??? vdc ??????????????? ? ????????????? ? ??????????????? (i c = 2 adc, i b = 0.4 adc) ????? ? ??? ? ????? @ t c = 25 c @ t c = 125 c ????? ? ??? ? ????? ??? ? ? ? ??? ???? ? ?? ? ???? 0.89 0.79 ???? ? ?? ? ???? 1 0.9 ??? ? ? ? ??? ??????????????? ? ????????????? ? ??????????????? collectoremitter saturation voltage (i c = 0.8 adc, i b = 80 madc) ????? ? ??? ? ????? @ t c = 25 c @ t c = 125 c ????? ? ??? ? ????? v ce(sat) ??? ? ? ? ??? ???? ? ?? ? ???? 0.28 0.32 ???? ? ?? ? ???? 0.4 0.5 ??? ? ? ? ??? vdc ??????????????? ? ????????????? ? ??????????????? (i c = 2 adc, i b = 0.4 adc) ????? ? ??? ? ????? @ t c = 25 c @ t c = 125 c ????? ? ??? ? ????? ??? ? ? ? ??? ???? ? ?? ? ???? 0.32 0.38 ???? ? ?? ? ???? 0.5 0.6 ??? ? ? ? ??? ??????????????? ? ????????????? ? ??????????????? (i c = 0.8 adc, i b = 40 madc) ????? ? ??? ? ????? @ t c = 25 c @ t c = 125 c ????? ? ??? ? ????? ??? ? ? ? ??? ???? ? ?? ? ???? 0.46 0.62 ???? ? ?? ? ???? 0.75 1 ??? ? ? ? ??? ??????????????? ? ????????????? ? ??????????????? dc current gain (i c = 0.8 adc, v ce = 1 vdc) ????? ? ??? ? ????? @ t c = 25 c @ t c = 125 c ????? ? ??? ? ????? h fe ??? ? ? ? ??? 22 20 ???? ? ?? ? ???? 34 29 ???? ? ?? ? ???? ??? ? ? ? ??? e ??????????????? ? ????????????? ? ??????????????? (i c = 2 adc, v ce = 1 vdc) ????? ? ??? ? ????? @ t c = 25 c @ t c = 125 c ????? ? ??? ? ????? ??? ? ? ? ??? 10 7 ???? ? ?? ? ???? 14 9.5 ???? ? ?? ? ???? ??? ? ? ? ??? ????????????????????????????????? diode characteristics ??????????????? ? ????????????? ? ? ????????????? ? ??????????????? forward diode voltage (i ec = 1 adc) ????? ? ??? ? ? ??? ? ????? @ t c = 25 c @ t c = 125 c ????? ? ??? ? ? ??? ? ????? v ec ??? ? ? ? ? ? ? ??? ???? ? ?? ? ? ?? ? ???? 1.04 0.7 ???? ? ?? ? ? ?? ? ???? 1.5 ??? ? ? ? ? ? ? ??? v ??????????????? ??????????????? (i ec = 2 adc) ????? ????? @ t c = 25 c @ t c = 125 c ????? ????? ??? ??? ???? ???? 1.2 ???? ???? 1.6 ??? ??? ??????????????? ? ????????????? ? ??????????????? (i ec = 0.4 adc) ????? ? ??? ? ????? @ t c = 25 c @ t c = 125 c ????? ? ??? ? ????? ??? ? ? ? ??? ???? ? ?? ? ???? 0.85 0.62 ???? ? ?? ? ???? 1.2 ??? ? ? ? ??? ??????????????? ? ????????????? ? ??????????????? forward recovery time (see figure 27) (i f = 1 adc, di/dt = 10 a/ m s) ????? ? ??? ? ????? @ t c = 25 c ????? ? ??? ? ????? t fr ??? ? ? ? ??? ???? ? ?? ? ???? 330 ???? ? ?? ? ???? ??? ? ? ? ??? ns ??????????????? ??????????????? (i f = 2 adc, di/dt = 10 a/ m s) ????? ????? @ t c = 25 c ????? ????? ??? ??? ???? ???? 360 ???? ???? ??? ??? ??????????????? ??????????????? (i f = 0.4 adc, di/dt = 10 a/ m s) ????? ????? @ t c = 25 c ????? ????? ??? ??? ???? ???? 320 ???? ???? ??? ???
bul45d2 http://onsemi.com 3 electrical characteristics (t c = 25 c unless otherwise noted) ??????????????????? ??????????????????? characteristic ???? ???? symbol ???? ???? min ???? ???? typ ???? ???? max ??? ??? unit ????????????????????????????????? ????????????????????????????????? dynamic characteristics ??????????????????? ? ????????????????? ? ??????????????????? current gain bandwidth (i c = 0.5 adc, v ce = 10 vdc, f = 1 mhz) ???? ? ?? ? ???? f t ???? ? ?? ? ???? ???? ? ?? ? ???? 13 ???? ? ?? ? ???? ??? ? ? ? ??? mhz ??????????????????? ??????????????????? output capacitance (v cb = 10 vdc, i e = 0, f = 1 mhz) ???? ???? c ob ???? ???? ???? ???? 50 ???? ???? 75 ??? ??? pf ??????????????????? ? ????????????????? ? ??????????????????? input capacitance (v eb = 8 vdc) ???? ? ?? ? ???? c ib ???? ? ?? ? ???? ???? ? ?? ? ???? 340 ???? ? ?? ? ???? 500 ??? ? ? ? ??? pf ????????????????????????????????? ????????????????????????????????? dynamic saturation voltage ???????? ? ?????? ? ???????? d y namic saturation ????? ? ??? ? ????? i c = 1 a i b1 = 100 ma ???? ? ?? ? ???? @ 1 m s ????? ? ??? ? ????? @ t c = 25 c @ t c = 125 c ???? ? ?? ? ???? v ce(dsat) ???? ? ?? ? ???? ???? ? ?? ? ???? 3.7 9.4 ???? ? ?? ? ???? ??? ? ? ? ??? v ???????? ???????? dynamic saturation voltage: determined 1 m s and 3 m s res p ectively ????? ????? i b1 = 100 ma v cc = 300 v ???? ???? @ 3 m s ????? ????? @ t c = 25 c @ t c = 125 c ???? ???? ???? ???? ???? ???? 0.35 2.7 ???? ???? ??? ??? v ???????? ? ?????? ? ???????? 3 m s respectively after rising i b1 reaches 90% of final ????? ? ??? ? ????? i c = 2 a i b1 =08a ???? ? ?? ? ???? @ 1 m s ????? ? ??? ? ????? @ t c = 25 c @ t c = 125 c ???? ? ?? ? ???? ???? ? ?? ? ???? ???? ? ?? ? ???? 3.9 12 ???? ? ?? ? ???? ??? ? ? ? ??? v ???????? ? ?????? ? ???????? i b1 ????? ? ??? ? ????? i b1 = 0.8 a v cc = 300 v ???? ? ?? ? ???? @ 3 m s ????? ? ??? ? ????? @ t c = 25 c @ t c = 125 c ???? ? ?? ? ???? ???? ? ?? ? ???? ???? ? ?? ? ???? 0.4 1.5 ???? ? ?? ? ???? ??? ? ? ? ??? v ????????????????????????????????? ????????????????????????????????? switching characteristics: resistive load (d.c. 10%, pulse width = 20 m s) ???????? ???????? turnon time ???????? ???????? i c = 2 adc, i b1 = 0.4 adc i b2 = 1 adc ????? ????? @ t c = 25 c @ t c = 125 c ???? ???? t on ???? ???? ???? ???? 90 105 ???? ???? 150 ??? ??? ns ???????? ? ?????? ? ???????? turnoff time ???????? ? ?????? ? ???????? i b2 = 1 adc v cc = 300 vdc ????? ? ??? ? ????? @ t c = 25 c @ t c = 125 c ???? ? ?? ? ???? t off ???? ? ?? ? ???? ???? ? ?? ? ???? 1.15 1.5 ???? ? ?? ? ???? 1.3 ??? ? ? ? ??? m s ???????? ? ?????? ? ???????? turnon time ???????? ? ?????? ? ???????? i c = 2 adc, i b1 = 0.4 adc i b2 =04adc ????? ? ??? ? ????? @ t c = 25 c @ t c = 125 c ???? ? ?? ? ???? t on ???? ? ?? ? ???? ???? ? ?? ? ???? 90 110 ???? ? ?? ? ???? 150 ??? ? ? ? ??? ns ???????? ???????? turnoff time ???????? ???????? i b2 = 0.4 adc v cc = 300 vdc ????? ????? @ t c = 25 c @ t c = 125 c ???? ???? t off ???? ???? 2.1 ???? ???? 3.1 ???? ???? 2.4 ??? ??? m s ????????????????????????????????? ????????????????????????????????? switching characteristics: inductive load (v clamp = 300 v, v cc = 15 v, l = 200 m h) ???????? ? ?????? ? ???????? fall time ???????? ? ?????? ? ???????? ????? ? ??? ? ????? @ t c = 25 c @ t c = 125 c ???? ? ?? ? ???? t f ???? ? ?? ? ???? ???? ? ?? ? ???? 90 93 ???? ? ?? ? ???? 150 ??? ? ? ? ??? ns ???????? ? ?????? ? ???????? storage time ???????? ? ?????? ? ???????? i c = 1 adc i b1 = 100 madc i b2 = 500 ma dc ????? ? ??? ? ????? @ t c = 25 c @ t c = 125 c ???? ? ?? ? ???? t s ???? ? ?? ? ???? ???? ? ?? ? ???? 0.72 1.05 ???? ? ?? ? ???? 0.9 ??? ? ? ? ??? m s ???????? ???????? crossover time ???????? ???????? i b2 = 500 madc ????? ????? @ t c = 25 c @ t c = 125 c ???? ???? t c ???? ???? ???? ???? 95 95 ???? ???? 150 ??? ??? ns ???????? ? ?????? ? ???????? fall time ???????? ? ?????? ? ???????? ????? ? ??? ? ????? @ t c = 25 c @ t c = 125 c ???? ? ?? ? ???? t f ???? ? ?? ? ???? ???? ? ?? ? ???? 80 105 ???? ? ?? ? ???? 150 ??? ? ? ? ??? ns ???????? ? ?????? ? ???????? storage time ???????? ? ?????? ? ???????? i c = 2 adc i b1 = 0.4 adc i b2 = 0 .4 a dc ????? ? ??? ? ????? @ t c = 25 c @ t c = 125 c ???? ? ?? ? ???? t s ???? ? ?? ? ???? 1.95 ???? ? ?? ? ???? 2.9 ???? ? ?? ? ???? 2.25 ??? ? ? ? ??? m s ???????? ? ?????? ? ???????? crossover time ???????? ? ?????? ? ???????? i b2 = 0 . 4 adc ????? ? ??? ? ????? @ t c = 25 c @ t c = 125 c ???? ? ?? ? ???? t c ???? ? ?? ? ???? ???? ? ?? ? ???? 225 450 ???? ? ?? ? ???? 300 ??? ? ? ? ??? ns
bul45d2 http://onsemi.com 4 typical static characteristics figure 1. dc current gain @ 1 volt 100 80 60 40 20 0 10 1 0.1 0.01 0.001 i c , collector current (amps) h fe , dc current gain t j = 125 c t j = 25 c t j = -20 c v ce = 1 v figure 2. dc current gain @ 5 volt 100 80 60 40 20 0 10 1 0.1 0.01 0.001 i c , collector current (amps) h fe , dc current gain t j = 125 c t j = 25 c t j = -20 c v ce = 5 v figure 3. collector saturation region 4 2 0 10 0.1 0.01 0.001 i b , base current (amps) i c = 500 ma figure 4. collectoremitter saturation voltage 10 1 0.1 10 1 0.1 0.01 0.001 i c , collector current (amps) t j = 125 c t j = 25 c t j = -20 c i c /i b = 5 v ce , voltage (volts) v ce , voltage (volts) 3 1 t j = 25 c 1 a 4 a figure 5. collectoremitter saturation voltage 10 1 0.1 10 0.1 0.01 0.001 i c , collector current (amps) figure 6. collectoremitter saturation voltage 10 1 0.1 1 0.1 0.01 0.001 i c , collector current (amps) t j = 125 c t j = 25 c t j = -20 c v ce , voltage (volts) v ce , voltage (volts) 1 i c /i b = 10 t j = 125 c t j = 25 c t j = -20 c i c /i b = 20 1 5 a 3 a 2 a 10
bul45d2 http://onsemi.com 5 typical static characteristics figure 7. baseemitter saturation region 10 1 0.1 10 0.1 0.01 0.001 i c , collector current (amps) figure 8. baseemitter saturation region 10 1 0.1 10 0.1 0.01 0.001 i c , collector current (amps) t j = 125 c t j = 25 c t j = -20 c v be , voltage (volts) v be , voltage (volts) 1 t j = 125 c t j = 25 c t j = -20 c i c /i b = 10 1 i c /i b = 5 figure 9. baseemitter saturation region 10 1 0.1 1 0.1 0.01 0.001 i c , collector current (amps) figure 10. forward diode voltage 10 1 0.1 10 0.1 0.01 reverse emitter-collector current (amps) 125 c 25 c v be , voltage (volts) forward diode voltage (volts) t j = 125 c t j = 25 c t j = -20 c 1 i c /i b = 20 figure 11. capacitance 1000 10 1 100 10 1 v r , reverse voltage (volts) c, capacitance (pf) 100 c ib (pf) c ob (pf) t j = 25 c f (test) = 1 mhz figure 12. bvcer = f(icer) 1000 700 400 1000 100 10 r be ( w ) bvcer (volts) t j = 25 c bvcer @ 10 ma 900 800 600 500 bvcer(sus) @ 200 ma 10
bul45d2 http://onsemi.com 6 typical switching characteristics figure 13. resistive switch time, t on 1000 400 0 4 1.5 0.5 i c , collector current (amps) 3.5 t, time (ns) 800 600 200 t j = 125 c t j = 25 c i c /i b = 10 i c /i b = 5 i bon = i boff v cc = 300 v pw = 20 m s 1 2 2.5 3 figure 14. resistive switch time, t off 5 0 i c , collector current (amps) 3 t, time (s) m 4 2 1 t j = 125 c t j = 25 c i c /i b = 10 i c /i b = 5 i bon = i boff v cc = 300 v pw = 20 m s 4 1.5 0.5 3.5 1 2 2.5 3 figure 15. inductive storage time, t si @ i c /i b = 5 4 2 0 4 1 0 i c , collector current (amps) 3 3 1 t, time (s) m 2 t j = 125 c t j = 25 c i bon = i boff v cc = 15 v v z = 300 v l c = 200 m h i c /i b = 5 figure 16. inductive storage time, t si @ i c /i b = 10 5 2 0 4 1 0 i c , collector current (amps) 3 3 1 t, time (s) m 2 t j = 125 c t j = 25 c i bon = i boff v cc = 15 v v z = 300 v l c = 200 m h 4 t, time (ns) figure 17. inductive switching, t c & t fi @ i c /i b = 5 600 200 0 4 1 0 i c , collector current (amps) 3 400 300 100 500 2 t j = 125 c t j = 25 c i bon = i boff v cc = 15 v v z = 300 v l c = 200 m h figure 18. inductive switching, t fi @ i c /i b = 10 t c t fi t, time (ns) 400 200 0 4 1 0 i c , collector current (amps) 3 300 100 2 t j = 125 c t j = 25 c i boff = i bon v cc = 15 v v z = 300 v l c = 200 m h
bul45d2 http://onsemi.com 7 typical switching characteristics 1500 0 4 2 0 i c , collector current (amps) figure 19. inductive switching, t c @ i c /i b = 10 5 2 20 5 0 h fe , forced gain 15 4 3 1000 t, time (ns) 500 10 , storage time ( t si m s) 13 t j = 125 c t j = 25 c i c = 1 a i boff = i bon v cc = 15 v v z = 300 v l c = 200 m h t j = 125 c t j = 25 c i bon = i boff v cc = 15 v v z = 300 v l c = 200 m h figure 20. inductive storage time i c = 2 a figure 21. inductive fall time 450 50 20 8 2 h fe , forced gain figure 22. inductive crossover time 1400 400 0 h fe , forced gain 1000 600 200 350 t fi , fall time (ns) t c , crossover time (ns) 250 150 4 6 10 12 t j = 125 c t j = 25 c i c = 1 a i boff = i bon v cc = 15 v v z = 300 v l c = 200 m h i bon = i boff v cc = 15 v v z = 300 v l c = 200 m h t j = 125 c t j = 25 c i c = 2 a 14 16 18 i c = 2 a 800 20 8 246 1012141618 i c = 1 a figure 23. inductive storage time, t si 3000 0 3 1 0.5 i c , collector current (amps) 2000 t, time (ns) 1000 1.5 i bon = i boff v cc = 15 v v z = 300 v l c = 200 m h 2 2.5 i b1 = i b2 i b = 50 ma i b = 100 ma i b = 200 ma i b = 500 ma figure 24. forward recovery time t fr 360 300 2 1 0.5 0 i f , forward current (amp) di/dt = 10 a/ m s t c = 25 c 1.5 t fr , forward recovery time (ns) 340 320 3.5 4 i b = 1 a 1200
bul45d2 http://onsemi.com 8 typical switching characteristics figure 25. dynamic saturation voltage measurements time figure 26. inductive switching measurements 10 4 0 8 2 0 time 6 8 6 2 4 9 7 5 3 1 13 5 7 v ce 0 v i b 90% i b 1 m s 3 m s dyn 1 m s dyn 3 m s i b i c v clamp t si t c t fi 90% i c 10% i c 90% i b1 figure 27. t fr measurements 0 10 6 0 v f i f 28 4 10% v clamp v fr (1.1 v f unless otherwise specified) v frm t fr v f 0.1 v f 10% i f
bul45d2 http://onsemi.com 9 typical switching characteristics table 1. inductive load switching drive circuit v (br)ceo(sus) l = 10 mh r b2 = v cc = 20 volts i c(pk) = 100 ma inductive switching l = 200 m h r b2 = 0 v cc = 15 volts r b1 selected for desired i b1 rbsoa l = 500 m h r b2 = 0 v cc = 15 volts r b1 selected for desired i b1 +15 v 1 m f 150 w 3 w 100 w 3 w mpf930 +10 v 50 w common -v off 500 m f mpf930 mtp8p10 mur105 mje210 mtp12n10 mtp8p10 150 w 3 w 100 m f i out a r b1 r b2 1 m f i c peak v ce peak v ce i b i b 1 i b 2 figure 28. forward bias safe operating area 100 0.01 1000 10 v ce , collector-emitter voltage (volts) figure 29. reverse bias safe operating area 6 3 0 800 200 v ce , collector-emitter voltage (volts) 100 1 0.1 i c , collector current (amps) i c , collector current (amps) dc 5 ms 1 ms 10 m s 1 m s 2 0 v -1.5 v -5 v t c 125 c gain 5 l c = 2 mh 300 400 700 600 5 4 typical characteristics 500 10 1 extended soa
bul45d2 http://onsemi.com 10 typical characteristics figure 30. forward bias power derating 1 0 160 100 20 t c , case temperature ( c) 0.8 power derating factor 0.6 0.4 0.2 60 140 second breakdown derating 40 80 120 thermal derating there are two limitations on the power handling ability of a transistor: average junction temperature and second breakdown. safe operating area curves indicate i c v ce limits of the transistor that must be observed for reliable operation; i.e., the transistor must not be subjected to greater dissipation than the curves indicate. the data of figure 28 is based on t c = 25 c; t j(pk) is variable depending on power level. second breakdown pulse limits are valid for duty cycles to 10% but must be derated when t c > 25 c. second breakdown limitations do not derate the same as thermal limitations. allowable current at the voltages shown on figure 28 may be found at any case temperature by using the appropriate curve on figure 30. t j(pk) may be calculated from the data in figure 31. at any case temperatures, thermal limitations will reduce the power that can be handled to values less than the limitations imposed by second breakdown. for inductive loads, high voltage and current must be sustained simultaneously during turnoff with the base to emitter junction reverse biased. the safe level is specified as a reverse biased safe operating area (figure 29). this rating is verified under clamped conditions so that the device is never subjected to an avalanche mode. typical thermal response figure 31. typical thermal response (z q jc (t)) for bul45d2 1 0.01 10 0.1 0.01 t, time (ms) 0.1 1 100 1000 r(t), transient thermal resistance (normalized) r q jc (t) = r(t) r q jc r q jc = 2.5 c/w max d curves apply for power pulse train shown read time at t 1 t j(pk) - t c = p (pk) r q jc (t) p (pk) t 1 t 2 duty cycle, d = t 1 /t 2 0.05 single pulse 0.5 0.2 0.1 0.02
bul45d2 http://onsemi.com 11 package dimensions case 221a09 issue aa to220ab notes: 1. dimensioning and tolerancing per ansi y14.5m, 1982. 2. controlling dimension: inch. 3. dimension z defines a zone where all body and lead irregularities are allowed. dim min max min max millimeters inches a 0.570 0.620 14.48 15.75 b 0.380 0.405 9.66 10.28 c 0.160 0.190 4.07 4.82 d 0.025 0.035 0.64 0.88 f 0.142 0.147 3.61 3.73 g 0.095 0.105 2.42 2.66 h 0.110 0.155 2.80 3.93 j 0.018 0.025 0.46 0.64 k 0.500 0.562 12.70 14.27 l 0.045 0.060 1.15 1.52 n 0.190 0.210 4.83 5.33 q 0.100 0.120 2.54 3.04 r 0.080 0.110 2.04 2.79 s 0.045 0.055 1.15 1.39 t 0.235 0.255 5.97 6.47 u 0.000 0.050 0.00 1.27 v 0.045 --- 1.15 --- z --- 0.080 --- 2.04 b q h z l v g n a k f 123 4 d seating plane t c s t u r j style 1: pin 1. base 2. collector 3. emitter 4. collector
bul45d2 http://onsemi.com 12 on semiconductor and are registered trademarks of semiconductor components industries, llc (scillc). scillc reserves the right to mak e changes without further notice to any products herein. scillc makes no warranty, representation or guarantee regarding the suitability of its products for any particular purpose, nor does scillc assume any liability arising out of the application or use of any product or circuit, and s pecifically disclaims any and all liability, including without limitation special, consequential or incidental damages. atypicalo parameters which may be provided in scillc data sheets and/or specifications can and do vary in different applications and actual performance may vary over time. all operating parameters, including atypicalso must be validated for each customer application by customer's technical experts. scillc does not convey any license under its patent rights nor the rights of others. scillc products are not designed, intended, or authorized for use as components in systems intended for surgical implant into the body , or other applications intended to support or sustain life, or for any other application in which the failure of the scillc product could create a sit uation where personal injury or death may occur. should buyer purchase or use scillc products for any such unintended or unauthorized application, buyer shall indem nify and hold scillc and its of ficers, employees, subsidiaries, affiliates, and distributors harmless against all claims, costs, damages, and expenses, and re asonable attorney fees arising out of, directly or indirectly, any claim of personal injury or death associated with such unintended or unauthorized u se, even if such claim alleges that scillc was negligent regarding the design or manufacture of the part. scillc is an equal opportunity/affirmative action employ er. publication ordering information japan : on semiconductor, japan customer focus center 4321 nishigotanda, shinagawaku, tokyo, japan 1410031 phone : 81357402700 email : r14525@onsemi.com on semiconductor website : http://onsemi.com for additional information, please contact your local sales representative. bul45d2/d literature fulfillment : literature distribution center for on semiconductor p.o. box 5163, denver, colorado 80217 usa phone : 3036752175 or 8003443860 toll free usa/canada fax : 3036752176 or 8003443867 toll free usa/canada email : onlit@hibbertco.com n. american technical support : 8002829855 toll free usa/canada

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