- 370 -
SFR151 THRU SFR157
1.5 AMPS. Soft Fast Recovery Rectifiers
Voltage Range
50 to 1000 Volts
Current
1.5 Amperes
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: Axial leads, solderable per MIL-STD-
202, Method 208 guaranteed
Polarity: Color band denotes cathode end
High temperature soldering guaranteed:
260℃
/
10 seconds/.375”,(9.5mm) lead len
g
ths
at 5 lbs.,(2.3kg) tension
Weight: 0.40 gram
DO-15
Dimensions in inches and (millimeters)
Maximum Ratings and Electrical Characteristics
Rating at 25℃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
151 SFR
152 SFR
153 SFR
154 SFR
155 SFR
156 SFR
157 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℃ I(AV) 1.5 A
Peak Forward Surge Current, 8.3 ms Single
Half Sine-wave Superimposed on Rated Load
(JEDEC method ) IFSM 50 A
Maximum Instantaneous Forward Voltage
@ 1.5A VF 1.2 V
Maximum DC Reverse Current @ TA=25℃
at Rated DC Blocking Voltage @ TA=75℃ IR 5.0
100 uA
uA
Maximum Reverse Recovery Time ( Note 1 ) Trr 120 200 350 nS
Typical Junction Capacitance ( Note 2 ) Cj 15 pF
Typical Thermal Resistance ( Note 3 ) R
θ
JA 65 OC/W
Operating Temperature Range TJ -65 to +150 ℃
Storage Temperature Range TSTG -65 to +150 ℃
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 10mm x 10mm on P.C.B.
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FIG.5- 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
RATINGS AND CHARACTERISTIC CURVES (SFR151 THRU SFR157)
FIG.3- TYPICAL FORWARD CHARACTERISTICS
INSTANTANEOUS FORWARD CURRENT.(A)
1.6 1.80.4 0.6 0.8 1.0 1.2 1.4
10
20
0.1
.01
.03
0.3
1.0
3.0
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
REVERSE VOLTAGE. (V)
Tj=25 C
0
FIG.2- MAXIMUM NON-REPETITIVE FORWARD
SURGE CURRENT
PEAK FORWARD SURGE CURRENT.(A)
102 4 6 40 100
10
50
60
40
30
20
0
NUMBER OF CYCLES AT 60Hz
FIG.1- MAXIMUM FORWARD CURRENT DERATING
CURVE
AVERAGE FORWARD CURRENT AMPERES
250 50 75 100 125 150 175
1.0
0
.5
1.5
2.0
AMBIENT TEMPERATURE. ( C)
o
Single Phase
Half Wave 60Hz
Resistive or
Inductive Load
0.375“ (9.5mm)
Lead Length
1
50
30
10
90
20
70
