Dimensions in inches and (millimeters)
Version: A06
SFR301 - SFR307
3.0 AMPS. Soft Fast Recovery Rectifiers
DO-201AD
Features
Low forward voltage drop
High current capability
High reliability
High surge current capability
Fast switching for high efficiency
Mechanical Data
Cases: Molded plastic
Epoxy: UL 94V-0 rate flame retardant
Lead: Pure tin plated, Lead free., solderable
per MIL-STD-202, Method 208 guaranteed
Polarity: Color band denotes cathode end
High temperature soldering guaranteed:
260 oC /10 seconds/.375”,(9.5mm) lead
lengths at 5 lbs.,(2.3kg) tension
Weight: 1.2 grams
Maximum Ratings and Electrical Characteristics
Rating 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%
Type Number Symbol SFR
301
SFR
302
SFR
303
SFR
304
SFR
305
SFR
306
SFR
307
Units
Maximum Recurrent Peak Reverse Voltage VRRM 50 100 200 400 600 800 1000 V
Maximum RMS Voltage VRMS 35 70 140 280 420 560 700 V
Maximum DC Blocking Voltage VDC 50 100 200 400 600 800 1000 V
Maximum Average Forward Rectified
Current .375”(9.5mm) Lead Length
@TA = 55 oC
I(AV) 3.0 A
Peak Forward Surge Current, 8.3 ms Single
Half Sine-wave Superimposed on Rated
Load (JEDEC method )
IFSM 150 A
Maximum Instantaneous Forward Voltage
@3.0A VF 1.2 V
Maximum DC Reverse Current @ TA=25 oC
at Rated DC Blocking Voltage @ TA=125 oC IR 5.0
150
uA
uA
Maximum Reverse Recovery Time ( Note 1 ) Trr 120 200 350 nS
Typical Junction Capacitance ( Note 2 ) Cj 40 pF
Typical Thermal Resistance RθJA 45 oC/W
Operating Temperature Range TJ -65 to +150
oC
Storage Temperature Range TSTG -65 to +150
oC
Notes: 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 Volts D.C.
3. Mount on Cu-Pad Size 16mm x 16mm on P.C.B.
RATINGS AND CHARACTERISTIC CURVES (SFR301 THRU SFR307)
FIG.5- TYPICAL FORWARD CHARACTERISTICS
INSTANTANEOUS FORWARD CURRENT. (A)
1.6 1.80.4 0.6 0.8 1.0 1.2 1.4
0.03
0.1
0.3
1
10
20
3
0.01
FORWARD VOLTAGE. (V)
Tj=25 C
Pulse Width=300 s
1% Duty Cycle
o
FIG.4- TYPICAL JUNCTION CAPACITANCE
JUNCTION CAPACITANCE.(pF)
1 2 4 6 10 100604020
20
10
40
60
100
REVERSE VOLTAGE. (V)
Tj=25 C
0
FIG.3- MAXIMUM NON-REPETITIVE PEAK FORWARD
SURGE CURRENT
PEAK FORWARD SURGE CURRENT. (A)
10
51 50 100
100
150
50
10
NUMBER OF CYCLES AT 60Hz
8.3ms Single Half Sine Wave
JEDEC Method
Tj=25 C
0
FIG.1- MAXIMUM FORWARD CURRENT DERATING
CURVE
AVERAGE FORWARD CURRENT AMPERES
250 50 75 100 125 150 175
2
0
1
3
4
AMBIENT TEMPERATURE. ( C)
o
Single Phase
Half Wave 60Hz
Resistive or
Inductive Load
0.375"(9.5mm)
Lead Length
FIG.6- REVERSE RECOVERY TIME CHARACTERISTIC AND TEST CIRCUIT DIAGRAM
50W
NONINDUCTIVE
1W
NON
INDUCTIVE
OSCILLOSCOPE
(NOTE 1)
PULSE
GENERATOR
(NOTE 2)
DUT
(+)
50Vdc
(approx)
(-)
NOTES: 1. Rise Time=7ns max. Input Impedance=
1 megohm 22pf
2. Rise Time=10ns max. Sourse Impedance=
50 ohms
(-)
(+)
10W
NONINDUCTIVE
-1.0A
-0.25A
0
+0.5A
trr
1cm SET TIME BASE FOR
5/ 10ns/ cm
Version: A06
FIG.2- TYPICAL REVERSE CHARACTERISTICS
PER LEG
020 40 60 80 100 120 140
PERCENT OF RATED PEAK REVERSE VOLTAGE. (%)
1000
100
10
1.0
0.1
Tj=125 C
0
Tj=25 C
0
Tj=75 C
0
INSTANTANEOUS REVERSE CURRENT.( A)
