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d a t a sh eet product specification supersedes data of 17th november 1998 file under bccomponents, bc08 2000 oct 20 bccomponents ac01/03/04/05/07/10/15/20 cemented wirewound resistors
2000 oct 20 2 bccomponents product specification cemented wirewound resistors ac01/03/04/05/07/10/15/20 features ? high power dissipation in small volume ? high pulse load handling capabilities. applications ? ballast switching ? shunt in small electric motors ? power supplies. description the resistor element is a resistive wire which is wound in a single layer on a ceramic rod. metal caps are pressed over the ends of the rod. the ends of the resistance wire and the leads are connected to the caps by welding. tinned copper-clad iron leads with poor heat conductivity are employed permitting the use of relatively short leads to obtain stable mounting without overheating the solder joint. the resistor is coated with a green silicon cement which is not resistant to aggressive fluxes. the coating is non-flammable, will not drip even at high overloads and is resistant to most commonly used cleaning solvents, in accordance with ?mil-std-202e, method 215? and ?iec 60068-2-45? . quick reference data description value ac01 AC03 ac04 ac05 ac07 ac10 ac15 ac20 resistance range 0.1 ? = to 2.4 k ? = 0.1 ? to 5.1 k ? 0.1 ? to 6.8 k ? 0.1 ? to 10 k ? 0.1 ? to 15 k ? 0.68 ? to 27 k ? 0.82 ? to 39 k ? 1.2 ? to 56 k ? resistance tolerance 5%; e24 series maximum permissible body temperature 350 c rated dissipation at t amb =40 c 1w3w4w5w7w10w15w20w rated dissipation at t amb =70 c 0.9 w 2.5 w 3.5 w 4.7 w 5.8 w 8.4 w 12.5 w 16 w climatic category (iec 60 068) 40/200/56 basic specification iec 60115-1 stability after: load, 1000 hours ? r/r max.: 5% + 0.1 ? climatic tests ? r/r max.: 1% + 0.05 ? short time overload ? r/r max.: 2% + 0.1 ?
2000 oct 20 3 bccomponents product specification cemented wirewound resistors ac01/03/04/05/07/10/15/20 ordering information ta ble 1 ordering code indicating resistor type and packaging notes 1. products with bent leads and loose in box, are available on request. 2. last 3 digits available on request. ty p e ordering code 23.. ... ..... loose in box bandolier in ammopack straight leads radial straight leads 100 units 2500 units 500 units 1000 units ac01 ? 06 328 90... (2) ? 06 328 33... AC03 (1) ?? 22 329 03... ? ac04 (1) ?? 22 329 04... ? ac05 (1) ?? 22 329 05... ? ac07 (1) ?? 22 329 07... ? ac10 ?? 22 329 10... ? ac15 22 329 15... ??? ac20 22 329 20... ??? ordering code (12nc) ? the resistors have a 12-digit ordering code starting with 23 ? the subsequent 7 digits indicate the resistor type and packaging; see table 1. ? the remaining 3 digits indicate the resistance value: ? the first 2 digits indicate the resistance value. ? the last digit indicates the resistance decade in accordance with table 2. ta ble 2 last digit of 12nc resistance decade last digit 0.1to0.91 ? 7 1to9.1 ? 8 10 to 91 ? 9 100to910 ? 1 1to9.1k ? 2 10 to 56 k ? 3 o rdering example the ordering code of an ac01 resistor, value 47 ? , supplied in ammopack of 1000 units is: 2306 328 33479. product specifications deviating from the standard values are available on request.
2000 oct 20 4 bccomponents product specification cemented wirewound resistors ac01/03/04/05/07/10/15/20 functional description product characterization standard values of nominal resistance are taken from the e24 series for resistors with a tolerance of 5%. the values of the e24 series are in accordance with ? iec publication 60063 ? . limiting values note 1. the maximum voltage that may be continuously applied to the resistor element, see ? iec publication 60266 ? . the maximum permissible hot-spot temperature is 350 c. d erating the power that the resistor can dissipate depends on the operating temperature; see fig.1. ty p e limiting voltage (1) (v) limiting power (w) t amb =40 ct amb =70 c ac01 1 0.9 AC03 3 2.5 ac04 4 3.5 ac05 5 4.7 ac07 7 5.8 ac10 10 8.4 ac15 15 12.5 ac20 20 16.0 vp n r = fig.1 maximum dissipation (p max ) as a function of the ambient temperature (t amb ). 40 0 40 70 200 100 90 50 0 p max (%) t ( c) amb o mra574
2000 oct 20 5 bccomponents product specification cemented wirewound resistors ac01/03/04/05/07/10/15/20 p ulse loading capabilities how to generate the maximum allowed pulse-load from the graphs composed for wirewound resistors of the ac-types. single pulse condition; see fig.3 1. if the applied pulse energy in joules or wattseconds is known and also the r-value to be used in the application; take the r-value on the x-axis and go vertically to the curved line. from this point go horizontally to the y-axis, this point gives the maimum allowed pulse energy in joules/ohm or wattsec./ohm. by multiplying this figure with -value in use gives the maximum allowed pulse-energy in joules or wattsec. if this figure is higher than the applied pulse-energy the application is allowed. otherwise take one of the other graphs belonging to ac-types with higher p n . 2. if, contrary to the information above, the applied peak-voltage and impulse times t i are known. calculate the pulse-energy (e p ) in joules or wattsec. by the use of the following formula: (v p = peak voltage; t i =impulse-time) by dividing this result with the r n -value of the r in use, gives the value wattsec./ohm on the y-axis. draw a line horizontally to the curved line and at the intersection the vertical line to the x-axis gives the maximum allowed r n -value to be used in the application. if this r n -value is higher than the r-value to be used in the application, the application is allowed. if not, take one of the other graphs belonging to ac-types with higher p n or change the r n -value to be used. repetitive pulse condition; see fig.2 with these graphs we can determine the allowed pulse-energy in watts depending on the impulse- time t i and the repetition time t p of the pulses. the parameter is the resistance value. if the pulse shape is known (impulse-time t i and repetition time t p ), draw a line vertically from the x-axis at the mentioned t i to the line of the involved r-value. from the intersection the horizontal line to the y- axis indicates the maximum allowed pulse-load at a certain t p /t i . if the vertical line from the x-axis crosses the applied t p /t i before reaching the r-line, this t p /t i line gives the maximum allowed pulse-energy at the y-axis. if the applied pulse-energy is known (in watts) and the impulse-time t i also, draw a line horizontally from the y-axis to the crossing with the pulse-line (t i ) and find the possible r-value needed in this application. the horizontal t p /t i lines give the maximum allowed pulse-load till they reach the r-line, that point indicates the maximum allowed impulse-time ti at the horizontal axis. ep vp 2 r ---------- t i =
2000 oct 20 6 bccomponents product specification cemented wirewound resistors ac01/03/04/05/07/10/15/20 fig.2 pulse on a regular basis; maximum permissible peak pulse power as a function of pulse duration (t i ). p ? max () ac01 1 ccb370 10 ? 1 10 ? 2 10 ? 3 10 ? 4 10 ? 1 1 10 10 2 10 3 10 4 p max (w) t i (s) t p /t i = 1000 t p /t i = 200 t p /t i = 50 t p /t i = 10 t p /t i = 2 ? 0.1 ? 1 ? 10 ? 100 ? 2 k ? fig.3 pulse capability; w s as a function of r n . ac01 10 3 10 4 10 2 10 1 10 ? 1 ccb371 10 2 10 ? 4 10 ? 1 10 ? 2 10 ? 3 10 1 pulse energy (ws/ ?) r n ( ? )
2000 oct 20 7 bccomponents product specification cemented wirewound resistors ac01/03/04/05/07/10/15/20 fig.4 pulse on a regular basis; maximum permissible peak pulse voltage as a function of pulse duration (t i ). v ? max () ac01 1500 0 500 10 ? 6 10 ? 5 10 ? 4 10 ? 3 10 ? 2 10 ? 1 1 ccb372 1000 t i (s) v max (v) ? fig.5 pulse on a regular basis; maximum permissible peak pulse power as a function of pulse duration (t i ). p ? max () AC03 1 ccb373 10 ? 1 10 ? 2 10 ? 3 10 ? 4 10 ? 1 1 10 10 2 10 3 10 4 p max (w) t i (s) ? t p /t i = 1000 t p /t i = 200 t p /t i = 50 t p /t i = 10 t p /t i = 2 0.1 ? 1 ? 10 ? 110 ? 4.7 k ?
2000 oct 20 8 bccomponents product specification cemented wirewound resistors ac01/03/04/05/07/10/15/20 fig.6 pulse capability; w s as a function of r n . AC03 10 3 10 4 10 2 10 1 10 ? 1 ccb374 10 3 10 2 10 ? 4 10 ? 1 10 ? 2 10 ? 3 10 1 r n ( ? ) pulse energy (ws/ ?) fig.7 pulse on a regular basis; maximum permissible peak pulse voltage as a function of pulse duration (t i ). v ? max () AC03 2000 1500 0 500 10 ? 6 10 ? 5 10 ? 4 10 ? 3 10 ? 2 10 ? 1 1 ccb375 1000 t i (s) v max (v) ?
2000 oct 20 9 bccomponents product specification cemented wirewound resistors ac01/03/04/05/07/10/15/20 fig.8 pulse on a regular basis; maximum permissible peak pulse power as a function of pulse duration (t i ). p ? max () ac04 1 ccb376 10 ? 1 10 ? 2 10 ? 3 10 ? 4 10 ? 1 1 10 10 2 10 3 10 4 p max (w) t i (s) ? t p /t i = 1000 t p /t i = 200 t p /t i = 50 t p /t i = 10 t p /t i = 2 0.1 ? 1 ? 10 ? 100 ? 6.8 k ? fig.9 pulse capability; w s as a function of r n . ac04 10 3 10 4 10 2 10 1 10 ? 1 ccb377 10 3 10 2 10 ? 4 10 ? 1 10 ? 2 10 ? 3 10 1 r n ( ? ) pulse energy (ws/ ?)
2000 oct 20 10 bccomponents product specification cemented wirewound resistors ac01/03/04/05/07/10/15/20 fig.10 pulse on a regular basis; maximum permissible peak pulse voltage as a function of pulse duration (t i ). v ? max () ac04 2500 2000 1500 0 500 10 ? 6 10 ? 5 10 ? 4 10 ? 3 10 ? 2 10 ? 1 1 ccb378 1000 t i (s) v max (v) ? fig.11 pulse on a regular basis; maximum permissible peak pulse power as a function of pulse duration (t i ). p ? max () ac05 1 ccb379 10 ? 1 10 ? 2 10 ? 3 10 ? 4 10 ? 1 1 10 10 2 10 3 10 4 p max (w) t i (s) ? t p /t i = 1000 t p /t i = 200 t p /t i = 50 t p /t i = 10 t p /t i = 2 0.1 ? 1.1 ? 11 ? 100 ? 8.2 k ?
2000 oct 20 11 bccomponents product specification cemented wirewound resistors ac01/03/04/05/07/10/15/20 fig.12 pulse capability; w s as a function of r n . ac05 10 3 10 4 10 2 10 1 10 ? 1 ccb380 10 3 10 2 10 ? 4 10 ? 1 10 ? 2 10 ? 3 10 1 r n ( ? ) pulse energy (ws/ ?) fig.13 pulse on a regular basis; maximum permissible peak pulse voltage as a function of pulse duration (t i ). v ? max () ac05 2500 2000 1500 0 500 10 ? 6 10 ? 5 10 ? 4 10 ? 3 10 ? 2 10 ? 1 1 ccb381 1000 t i (s) v max (v) ?
2000 oct 20 12 bccomponents product specification cemented wirewound resistors ac01/03/04/05/07/10/15/20 fig.14 pulse on a regular basis; maximum permissible peak pulse power as a function of pulse duration (t i ). p ? max () ac07 1 ccb382 10 ? 1 10 ? 2 10 ? 3 10 ? 4 1 10 10 2 10 3 10 4 p max (w) t i (s) t p /t i = 1000 t p /t i = 200 t p /t i = 50 t p /t i = 10 t p /t i = 2 0.1 ? 1 ? 11 ? 100 ? 15 k ? fig.15 pulse capability; w s as a function of r n . ac07 10 3 10 5 10 4 10 2 10 1 10 ? 1 ccb383 10 3 10 2 10 ? 4 10 ? 1 10 ? 2 10 ? 3 10 1 r n ( ? ) pulse energy (ws/ ?)
2000 oct 20 13 bccomponents product specification cemented wirewound resistors ac01/03/04/05/07/10/15/20 fig.16 pulse on a regular basis; maximum permissible peak pulse voltage as a function of pulse duration (t i ). v ? max () ac07 5000 4000 3000 0 1000 10 ? 6 10 ? 5 10 ? 4 10 ? 3 10 ? 2 10 ? 1 1 ccb384 2000 t i (s) v max (v) ? fig.17 pulse on a regular basis; maximum permissible peak pulse power as a function of pulse duration (t i ). p ? max () ac10 1 ccb385 10 ? 1 10 ? 2 10 ? 3 10 ? 4 1 10 10 2 10 3 10 5 10 4 t i (s) p max (w) ? t p /t i = 1000 t p /t i = 200 t p /t i = 50 t p /t i = 10 t p /t i = 2 0.22 ? 2.2 ? 33 ? 240 ? 15 k ?
2000 oct 20 14 bccomponents product specification cemented wirewound resistors ac01/03/04/05/07/10/15/20 fig.18 pulse capability; w s as a function of r n . ac10 10 3 10 5 10 4 10 2 10 1 10 ? 1 ccb386 10 3 10 2 10 ? 4 10 ? 1 10 ? 2 10 ? 3 10 1 r n ( ? ) pulse energy (ws/ ?) fig.19 pulse on a regular basis; maximum permissible peak pulse voltage as a function of pulse duration (t i ). v ? max () ac10 5000 4000 3000 0 1000 10 ? 6 10 ? 5 10 ? 4 10 ? 3 10 ? 2 10 ? 1 1 ccb387 2000 t i (s) v max (v) ?
2000 oct 20 15 bccomponents product specification cemented wirewound resistors ac01/03/04/05/07/10/15/20 fig.20 pulse on a regular basis; maximum permissible peak pulse power as a function of pulse duration (t i ). p ? max () ac15 1 ccb388 10 ? 1 10 ? 2 10 ? 3 10 ? 4 1 10 10 2 10 3 10 5 10 4 t i (s) p max (w) ? t p /t i = 1000 t p /t i = 200 t p /t i = 50 t p /t i = 10 t p /t i = 2 0.33 ? 4.3 ? 33 ? 330 ? 39 k ? fig.21 pulse capability; w s as a function of r n . ac15 10 3 10 5 10 4 10 2 10 1 10 ? 1 ccb389 10 3 10 2 10 ? 4 10 ? 1 10 ? 2 10 ? 3 10 1 r n ( ? ) pulse energy (ws/ ?)
2000 oct 20 16 bccomponents product specification cemented wirewound resistors ac01/03/04/05/07/10/15/20 fig.22 pulse on a regular basis; maximum permissible peak pulse voltage as a function of pulse duration (t i ). v ? max () ac15 7000 6000 5000 4000 3000 0 1000 10 ? 6 10 ? 5 10 ? 4 10 ? 3 10 ? 2 10 ? 1 1 ccb390 2000 t i (s) v max (v) ? fig.23 pulse on a regular basis; maximum permissible peak pulse power as a function of pulse duration (t i ). p ? max () ac20 1 ccb391 10 ? 1 10 ? 2 10 ? 3 10 ? 4 1 10 10 2 10 3 10 5 10 4 t i (s) p max (w) ? t p /t i = 1000 t p /t i = 200 t p /t i = 50 t p /t i = 10 t p /t i = 2 0.47 ? 5.1 ? 47 ? 470 ? 56 k ?
2000 oct 20 17 bccomponents product specification cemented wirewound resistors ac01/03/04/05/07/10/15/20 fig.24 pulse capability; w s as a function of r n . ac20 10 3 10 5 10 4 10 2 10 1 10 ? 1 ccb392 10 3 10 2 10 ? 4 10 ? 1 10 ? 2 10 ? 3 10 1 r n ( ? ) pulse energy (ws/ ?) fig.25 pulse on a regular basis; maximum permissible peak pulse voltage as a function of pulse duration (t i ). v ? max () ac20 10000 8000 6000 0 2000 10 ? 6 10 ? 5 10 ? 4 10 ? 3 10 ? 2 10 ? 1 1 ccb393 4000 t i (s) v max (v) ?
2000 oct 20 18 bccomponents product specification cemented wirewound resistors ac01/03/04/05/07/10/15/20 application information fig.26 temperature rise of the resistor body as a function of the dissipation. mgb730 24 20 350 300 250 200 150 100 50 0 0 4 12 16 8 ? t at hot spot (k) p (w) ac01 AC03 ac04 ac05 ac07 ac10 ac15 ac20 fig.27 lead length as a function of the dissipation with the temperature rise at the end of the lead (soldering spot) as a parameter. 0 0.2 0.4 0.6 0.8 1.0 10 15 20 25 p (w) lead length (mm) mra573 20 k 30 k ? t = 10 k ac01 fig.28 lead length as a function of the dissipation with the temperature rise at the end of the lead (soldering spot) as a parameter. 0 25 20 15 10 123 mgb731 p (w) lead length (mm) 60 k 70 k 50 k ? t = 40 k 80 k AC03
2000 oct 20 19 bccomponents product specification cemented wirewound resistors ac01/03/04/05/07/10/15/20 fig.29 lead length as a function of the dissipation with the temperature rise at the end of the lead (soldering spot) as a parameter. 0 25 20 15 10 12 4 mgb732 3 p (w) lead length (mm) 50 k ? t = 40 k 60 k 70 k 80 k ac04 fig.30 lead length as a function of the dissipation with the temperature rise at the end of the lead (soldering spot) as a parameter. 0 25 20 15 10 15 mgb733 234 p (w) lead length (mm) 50 k ? t = 40 k 60 k 70 k 80 k 90 k 100 k ac05 fig.31 lead length as a function of the dissipation with the temperature rise at the end of the lead (soldering spot) as a parameter. 0 25 20 15 10 24 8 mgb734 6 p (w) lead length (mm) ? t = 40 k 80 k 90 k 50 k 60 k 70 k ac07 fig.32 lead length as a function of the dissipation with the temperature rise at the end of the lead (soldering spot) as a parameter. ac10 20 25 10 0510 mgb735 20 15 15 p (w) lead length (mm) 50 k 60 k 70 k 80 k ? t = 40 k
2000 oct 20 20 bccomponents product specification cemented wirewound resistors ac01/03/04/05/07/10/15/20 fig.33 lead length as a function of the dissipation with the temperature rise at the end of the lead (soldering spot) as a parameter. 20 25 10 0510 mgb736 20 15 15 p (w) lead length (mm) 50 k 60 k 70 k ? t = 40 k ac15 fig.34 lead length as a function of the dissipation with the temperature rise at the end of the lead (soldering spot) as a parameter. 20 25 10 0510 mgb737 20 15 15 p (w) lead length (mm) 50 k 60 k 70 k ? t = 40 k ac20 m ounting the resistor is suitable for processing on cutting and bending machines. ensure that the temperature rise of the resistor body does not affect nearby components or materials by conducted or convected heat. figure 26 shows the hot-spot temperature rise of the resistor body as a function of dissipated power. figures 27 to 34 show the lead length as a function of dissipated power and temperature rise.
2000 oct 20 21 bccomponents product specification cemented wirewound resistors ac01/03/04/05/07/10/15/20 mechanical data mass per 100 units marking the resistor is marked with the nominal resistance value, the tolerance on the resistance and the rated dissipation at t amb =40 c. for values up to 910 ? , the r is used as the decimal point. for values of 1 k ? and upwards, the letter k is used as the decimal point for the k ? indication. type mass (g) ac01 55 AC03 110 ac04 140 ac05 220 ac07 300 ac10 530 ac15 840 ac20 1 090 outlines ta ble 3 resistor type and relevant physical dimensions; see figs 35 and 36 ty p e ? d max. (mm) l max. (mm) ? d (mm) b (mm) h (mm) p (mm) s max. (mm) ? b max. (mm) ac01 4.3 10 0.8 0.03 ????? AC03 5.5 13 1.3 8 10e 21.2 ac04 5.7 17 ac05 7.5 17 ac07 7.5 25 13e ac10 8 44 ????? ac15 10 51 ????? ac20 10 67 ????? fig.35 type with straight leads. d l d o o mra571 for dimensions see table 3. mlb677 p 5 1 0 b o h 2 0 fig.36 type with cropped and formed leads. dimensions in mm. for dimensions see table 3. available on request for types: AC03, ac04, ac05 and ac07 . d o mlb676 l p 4 p 0.5 2 min b s 0.1 0 d o m a inte n ance type
2000 oct 20 22 bccomponents product specification cemented wirewound resistors ac01/03/04/05/07/10/15/20 fig.37 type with double kink. dimensions in mm. for dimensions see table 4. ? 0.8 to 1.4. jw2 9 ? d p 1 0.5 p 2 3 s ? b 0.07 ? d b1 4.5 + 1 0 b2 h + 2 l max (1) p 1 0.5 ta ble 4 resistor type and relevant physical dimensions; see fig.37 type lead style ? d (mm) l max. (mm) b 1 (mm) b 2 (mm) h (mm) p 1 (mm) p 2 (mm) s max. (mm) ? b (mm) AC03 ac04 ac05 double kink large pitch 0.8 0.03 10 1.30 +0.25/-0.20 1.65 +0.25/-0.20 825.425.42 1.0 AC03 ac04 ac05 double kink small pitch 0.8 0.03 10 1.30 +0.25/-0.20 2.15 +0.25/-0.20 822.020.02 1.0
2000 oct 20 23 bccomponents product specification cemented wirewound resistors ac01/03/04/05/07/10/15/20 tests and requirements essentially all tests are carried out in accordance with the schedule of ? iec publications 60115-1 and 60115-4 ? , category 40/200/56 (rated temperature range ? 40 cto +200 c; damp heat, long term, 56 days). the testing also covers the requirements specified by eia and eiaj. the tests are carried out in accordance with iec publication 60 068, ? recommended basic climatic and mechanical robustness testing procedure for electronic components ? and under standard atmospheric conditions according to ? iec 60 068-1 ? , subclause 5.3. in table 5 the tests and requirements are listed with reference to the relevant clauses of ? iec publications 60115-1, 115-4 and 68 ? ; a short description of the test procedure is also given. in some instances deviations from the iec recommendations were necessary for our method of specifying. all soldering tests are performed with mildly activated flux. ta ble 5 test procedures and requirements iec 60115-1 clause iec 60068 test method test procedure requirements tests in accordance with the schedule of iec publication 60115-1 4.15 robustness of resistor body load 200 10 n no visible damage ? r/r max.: 0.5% + 0.05 ? 4.16 u robustness of terminations: ua tensile all samples load 10 n; 10 s ub bending half number of samples load 5 n 90 , 180 , 90 uc torsion other half of samples 2 180 in opposite directions no visible damage ? r/r max.: 0.5% + 0.05 ? 4.17 ta solderability 2 s; 235 c; flux 600 good tinning; no damage 4.18 tb resistance to soldering heat thermal shock: 3 s; 350 c; 2.5 mm from body ? r/r max.: 0.5% + 0.05 ? 4.19 14 (na) rapid change of temperature 30 minutes at ? 40 c and 30 minutes at +200 c; 5 cycles no visible damage ? r/r max.: 1% + 0.05 ? 4.22 fc vibration frequency 10 to 500 hz; displacement 0.75 mm or acceleration 10 g; 3 directions; total 6 hours (3 2 hours) no damage ? r/r max.: 0.5% + 0.05 ? 4.20 eb bump 4000 10 bumps; 390 m/s 2 no damage ? r/r max.: 0.5% + 0.05 ? r = 6 mm load mbb179
2000 oct 20 24 bccomponents product specification cemented wirewound resistors ac01/03/04/05/07/10/15/20 4.23 climatic sequence: 4.23.2 ba dry heat 16 hours; 200 c 4.23.3 db damp heat (accelerated) 1 st cycle 24 hours; 55 c; 95 to 100% rh 4.23.4 aa cold 2 hours; ? 40 c 4.23.5 m low air pressure 1 hour; 8.5 kpa; 15 to 35 c 4.23.6 db damp heat (accelerated) remaining cycles 5 days; 55 c; 95 to 100% rh ? r/r max.: 1% + 0.05 ? 4.24.2 3 (ca) damp heat (steady state) 56 days; 40 c; 90 to 95% rh; dissipation 0.01 p n no visible damage ? r/r max.: 1% + 0.05 ? 4.8.4.2 temperature coefficient at 20/ ? 40/20 c, 20/200/20 c: r<10 ? tc ? 600 10 ? 6 /k r 10 ?? 80 10 ? 6 tc tc +140 10 ? 6 /k temperature rise horizontally mounted, loaded with p n hot-spot temperature less than maximum body temperature 4.13 short time overload room temperature; dissipation 10 p n ; 5 s (voltage not more than 1000 v/25 mm) ? r/r max.: 2% + 0.1 ? 4.25.1 endurance (at 40 c) 1000 hours loaded with p n ; 1.5 hours on and 0.5 hours off no visible damage ? r/r max.: 5% + 0.1 ? 4.25.1 endurance (at 70 c) 1000 hours loaded with 0.9p n ; 1.5 hours on and 0.5 hours off no visible damage ? r/r max.: 5% + 0.1 ? 4.23.2 27 (ba) endurance at upper category temperature 1000 hours; 200 c; no load no visible damage ? r/r max.: 5% + 0.1 ? other tests in accordance with iec 60115 clauses and iec 60 068 test method 4.29 45 (xa) component solvent resistance 70% 1.1.2 trichlorotrifluoroethane and 30% isopropyl alcohol; h 2 0 no visible damage 4.18 20 (tb) resistance to soldering heat 10 s; 260 5 c; flux 600 ? r/r max.: 0.5% + 0.05 ? 4.17 20 (tb) solderability (after ageing) 16 hours steam or 16 hours at 155 c; 2 0.5 s in solder at 235 5 c; flux 600 good tinning ( 95% covered); no damage 4.5 tolerance on resistance applied voltage ( 10%): r ? r nom : 5% max. r<10 ? : 0.1 v 10 ? r<100 ? : 0.3 v 100 ? r<1k ? : 1 v 1k ? r<10k ? : 3 v 10 k ? r 33 k ? : 10 v iec 60115-1 clause iec 60068 test method test procedure requirements

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