SFR151 - SFR157
1.5 AMPS. Soft Fast Recovery Rectifiers
DO-15
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:
o
260 C /10 seconds/.375”,(9.5mm) lead
lengths at 5 lbs.,(2.3kg) tension
Weight: 0.40 gram
Dimensions in inches and (millimeters)
Maximum Ratings and Electrical Characteristics
Rating at 25
o
C ambient temperature unless otherwise specified.
Single phase, half wave, 60 Hz, resistive or inductive load.
For capacitive load, derate current by 20%
Type Number
Maximum Recurrent Peak Reverse Voltage
Maximum RMS Voltage
Maximum DC Blocking Voltage
Maximum Average Forward Rectified
Current .375”(9.5mm) Lead Length
o
@T
A
= 55 C
Peak Forward Surge Current, 8.3 ms Single
Half Sine-wave Superimposed on Rated
Load (JEDEC method )
Maximum Instantaneous Forward Voltage
@ 1.5A
Maximum DC Reverse Current @ T
A
=25
o
C
o
at Rated DC Blocking Voltage @ T
A
=125 C
Maximum Reverse Recovery Time ( Note 1 )
Typical Junction Capacitance ( Note 2 )
Typical Thermal Resistance
Operating Temperature Range
Symbol SFR
151
V
RRM
50
V
RMS
35
V
DC
50
I
(AV)
I
FSM
V
F
I
R
Trr
Cj
R
θJA
T
J
SFR
152
100
70
100
SFR
153
200
140
200
SFR
154
400
280
400
1.5
SFR
155
600
420
600
SFR
156
800
560
800
SFR
Units
157
1000
V
700
V
1000
V
A
50
1.2
5.0
150
120
200
15
65
-65 to +150
-65 to +150
350
A
V
uA
uA
nS
pF
o
C/W
o
C
o
C
Storage Temperature Range
T
STG
1. Reverse Recovery Test Conditions: I
F
=0.5A, I
R
=1.0A, I
RR
=0.25A
Notes:
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.
Version: A06
RATINGS AND CHARACTERISTIC CURVES (SFR151 THRU SFR157)
FIG.1- MAXIMUM FORWARD CURRENT DERATING
CURVE
AVERAGE FORWARD CURRENT AMPERES
2.0
1000
FIG.2- TYPICAL REVERSE CHARACTERISTICS
PER LEG
INSTANTANEOUS REVERSE CURRENT. ( A)
1.5
100
Tj=125
0
C
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
AMBIENT TEMPERATURE. ( C)
150
175
10
Tj=75
0
C
0
1.0
Tj=25
0
C
60
FIG.3- MAXIMUM NON-REPETITIVE FORWARD
SURGE CURRENT
PEAK FORWARD SURGE CURRENT. (A)
50
40
0.1
0
20
40
60
80
100
120
140
PERCENT OF RATED PEAK REVERSE VOLTAGE. (%)
30
20
20
10
10
0
1
2
4
6
10
NUMBER OF CYCLES AT 60Hz
40
100
FIG.5- TYPICAL FORWARD CHARACTERISTICS
INSTANTANEOUS FORWARD CURRENT. (A)
3.0
Tj=25
o
C
Pulse Width=300 s
1% Duty Cycle
FIG.4- TYPICAL JUNCTION CAPACITANCE
90
1.0
JUNCTION CAPACITANCE.(pF)
70
50
0.3
30
20
10
0.1
Tj=25
0
C
0.03
1
0.01
1
2
4
6
10
20
40
60
100
0.4
0.6
0.8
1.0
1.2
1.4
1.6
1.8
REVERSE VOLTAGE. (V)
FORWARD VOLTAGE. (V)
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
Embedded System
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