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SOFT RECOVERY FAST SWITCHING RECTIFIER
SFR301 THRU SFR307
FEATURES
* * * * *
VOLTAGE RANGE CURRENT
50 to 1000 Volts 3.0Ampere
DO-27
.052(1.3) .048(1.2) 1.0(25.4) MIN. DIA.
Low coat construction Fast switching for high efficency. Low reverse leakage High forward surge current capability High temperature soldering guaranteed: 260/10 secods/.375"(9.5mm)lead length at 5 lbs(2.3kg) tension
.375(9.5) .335(8.5) .220(5.6) .197(5.0) 1.0(25.4) MIN. DIA.
MECHANICAL DATA
* * * * * *
Case: Transfer molded plastic Epoxy: UL94V-O rate flame retardant Polarity: Color band denotes cathode end Lead: Plated axial lead, solderable per MIL-STD-202E method 208C Mounting position: Any Weight: 0.042ounce, 1.19 grams
Dimensions in inches and
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS
* * *
Ratings at 25OC ambient temperature unless otherwise specified Single Phase, half wave, 60Hz, resistive or inductive load For capacitive load derate current by 20%
SYMBOLS
Maximum Repetitive Peak Reverse Voltage Maximum RMS Voltage Maximum DC Blocking Voltage Maximum Average Forward Rectified Current 0.375"(9.5mm) lead length at T A= 55 Peak Forward Surge Current 8.3mS single half sine wave superimposed on rated load (JEDEC method) Maximum Instantaneous Forward Voltage @ 3.0A Maximum DC Reverse Current at Rated DC Blocking Voltage TA = 25 TA = 100
VRRM VRMS VDC I(AV) IFSM VF IR trr CJ RJA TJ TSTG
SFR 301 50 35 50
SFR 302 100 70 100
SFR 303 200 140 200
SFR 304 400 280 400 3.0 125 1.3 10 500
SFR 305 600 420 600
SFR 306 800 560 800
SFR 307 1000 700 1000
UNITS Volts Volts Volts Amp Amps Volts A
Maximum Reverse Recovery TimeNOTE3Tj=25 Typical Junction Capacitance (Note 1) Typical Thermal Resistance (Note 2) Operating Junction Temperature Range Storage Temperature Range
100
150 30 22 (-55 to +150) (-55 to +150)
200
ns pF
/W
Notes: 1. Measured at 1.0MHz and applied reverse voltage of 4.0v 2. Thermal Resistance from junction to Ambient at .375"(9.5mm)lead length, P.C.board mounted. 3. Reverse Recovery Test Conditions:If=0.5mA,Ir=1.0mA,Irr=0.25A
E-mail: sales@cnmic.com
Web Site: www.cnmic.com
SOFT RECOVERY FAST SWITCHING RECTIFIER
SFR301 THRU SFR307
VOLTAGE RANGE CURRENT
50 to 1000 Volts 3.0Ampere
RATING AND CHRACTERISTIC CURVES SFR301 THRU SFR307
FIG.2-MAXIMUM NON-REPETITIVE PEAK FORWARD SURGE CURRENT
FIG.1-TYPICAL FORWARD CURRENT DERATING CURVE
3.0
AVERAGE FORWARD CURRENT,
150
PEAK FORWARD SURGE
8.3ms Single Half Sine-Wave (JEDEC Method) Tj=Tjmax
2.0
CURRENT, (A)
100
(A)
1.0
Single Phase Half Wave 60Hz Resistive or Inductive Load 0.375"(9.5mm)Lead Length
50
1 Cycle
0 1 2
0 0 25 50 55 75 100 125 150 175
4
6
8
10
20
40
60
100
AMBIENT TEMPERATURE, ( C)
NUMBER OF CYCLES AT 60 Hz
FIG.3-TYPICAL INSTANTANEOUS FORWARD CHARACTERISTICS FIG.4-TYPICAL REVERSE
1000
CHARACTERISTICS
10
INSTANTANEOUS FORWARD CURRENT,
100
INSTANTANEOUS REVERSE CURRENT, (UA)
T j =100 C 1.0
(A)
10
Tj =50 C
Tj =25 C Pulse Width=300us 1% Duty Cycle
1.0
0.1
T j =25 C 0.01 0 20 40 60 80 100 120 140
0.1 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8
PERCENT OF RATED PEAK REVERSE VOLTAGE,(%)
INSTANTANEOUS FORWARD VOLTAGE,(V)
FIG.5-TYPICAL JUNCTION CAPACITANCE
JUNCTION CAPACITANCE,(pF)
FIG.6-TEST CIRCUIT DIAGRAM AND REVERSE REXOVERY TIME CHARACTERISTIC
Trr
+0.5A 50 NONINDUC TIVE 10 NONINDUCTIVE
(-) (+) 25 Vdc
0 0.25A
D.U.T
approx
(-) 1 NON INDUCTIVE
PULSE GENERATIOR (NOTE 2)
OSCILLOSCOPE (NOTE 1) -1.0A
1cm
TJ=25 C F=1MHz
Vsig=50mVp-p
1 0.1 1.0 10 100
NOTE: 1.Rise Time =7ns max.Input Impedance=1megohm.22pF 2.Rise time=10ns max.Source Impedance=50 ohms
SET TIME BASE FOR 50 /100NS /cm
REVERSE VOLTAGE,(V)
E-mail: sales@cnmic.com
Web Site: www.cnmic.com

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