SF31 - SF38
3.0 AMPS. Super Fast Rectifiers DO-201AD
Features
H igh efficiency, low VF H igh current capability H igh reliability H igh surge current capability Low power loss. For use in low voltage, high frequency inventor, free wheeling, and polarity protection application
M echanical Data
C ases: Molded plastic E poxy: UL 94V-0 rate flame retardant L ead: Pure tin plated, lead free., solderable per MIL-STD-202, Method 208 guaranteed P olarity: Color band denotes cathode H igh temperature soldering guaranteed: 260oC/10 seconds/.375”,(9.5mm) lead lengths at 5 lbs., (2.3kg) tension W eight: 1.2 grams
Dimensions in inches and (millimeters)
R ating at 25 oC ambient temperature unless otherwise specified. Single phase, half wave, 60 Hz, resistive or inductive load. For capacitive load, derate current by 20% S ymbol S F SF SF SF SF SF SF SF U nits T ype Number 31 32 33 34 35 36 37 38 M aximum Recurrent Peak Reverse Voltage V V RRM 5 0 100 150 200 300 400 500 600 M aximum RMS Voltage V V RMS 3 5 70 105 140 210 280 350 420 M aximum DC Blocking Voltage 50 100 150 200 300 400 500 600 V V DC
M aximum Average Forward Rectified Current .375 (9.5mm) Lead Length o @T A = 5 5 C P eak Forward Surge Current, 8.3 ms Single Half Sine-wave Superimposed on Rated Load (JEDEC method ) M aximum Instantaneous Forward Voltage @ 3.0A o M aximum DC Reverse Current @ T A=25 C o at Rated DC Blocking Voltage @ TA=100 C Maximum Reverse Recovery Time (Note 1) Typical Junction Capacitance (Note 2) Typical Thermal resistance Operating Temperature Range S torage Temperature Range N otes:
M aximum Ratings and Electrical Characteristics
I(AV) IFSM VF IR T rr Cj R θJA
TJ TSTG
3.0 125 0.95 5.0 100 35 80 35 -65 to +125 -65 to +150 70
o
A A 1.3 1.7 V uA uA nS pF
C/W
o o
C C
1. Reverse Recovery Test Conditions: IF=0.5A, IR=1.0A, IRR=0.25A 2. Measured at 1 MHz and Applied Reverse Voltage of 4.0 V D.C. 3. Mount on Cu-Pad Size 16mm x 16mm on PCB.
Version: A06
RATINGS AND CHARACTERISTIC CURVES (SF31 THRU SF38)
FIG.1- MAXIMUM AVERAGE FORWARD CURRENT DERATING
3.0
FIG.2- TYPICAL REVERSE CHARACTERISTICS
1000
AVERAGE FORWARD CURRENT. (A)
2.5
INSTANTANEOUS REVERSE CURRENT. ( A)
2.0
100
1.5
1.0
0.5
Single Phase Half Wave 60Hz Resistive or Inductive Load 0.375" (9.5mm) Lead Length
0 25 50 75 100 125
O
Tj=100 0C 10
0 150 175 AMBIENT TEMPERATURE. ( C)
1
Tj=25 0C
175
FIG.3- MAXIMUM NON-REPETITIVE FORWARD SURGE CURRENT
PEAK FORWARD SURGE CURRENT. (A)
150 125 100 75 50 25 0 8.3ms Single Half Sine Wave JEDEC Method
0.1 0 20 40 60 80 100 120 140 PERCENT OF RATED PEAK REVERSE VOLTAGE. (%)
FIG.5- TYPICAL FORWARD CHARACTERISTICS
100
1
2
5
10
20
50
100
NUMBER OF CYCLES AT 60Hz
INSTANTANEOUS FORWARD CURRENT. (A)
FIG.4- TYPICAL JUNCTION CAPACITANCE
180 160 140 120 100 80
SF
10
JUNCTION CAPACITANCE.(pF)
1
SF
31
~S
0.1
F3
4
60 40 0.1
35~
SF
SF 31 ~S F3 4
6 F3 ~S 35 38 SF SF 7~ F3 S
38
Tj=25oC Pulse Width=300 s 1% Duty Cycle
0.5
1
2 5 10 20 REVERSE VOLTAGE. (V)
50
100 200
500
1000
0.01 0.2
0.4
0.6 0.8 1.0 1.2 FORWARD VOLTAGE. (V)
1.4
1.6
FIG.6- REVERSE RECOVERY TIME CHARACTERISTIC AND TEST CIRCUIT DIAGRAM
50W NONINDUCTIVE 10W NONINDUCTIVE +0.5A (-) DUT (+) 50Vdc (approx) (-) PULSE GENERATOR (NOTE 2) 1W NON INDUCTIVE OSCILLOSCOPE (NOTE 1) (+) 0 -0.25A trr
NOTES: 1. Rise Time=7ns max. Input Impedance= 1 megohm 22pf 2. Rise Time=10ns max. Sourse Impedance= 50 ohms
-1.0A 1cm SET TIME BASE FOR 5/ 10ns/ cm
Version: A06
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