Data Sheet
3.0 Amp SUPER FAST
PLASTIC RECTIFIERS
Mechanical Dimensions
D027A
.374
1.00 Typ.
SF31 . . . 36 Series
Description
.197
.050
Features
n
LOW COST
n
LOW LEAKAGE
n
HIGH SURGE CAPABILITY
n
MEETS UL SPECIFICATION 94V-O
Electrical Characteristics @ 25
o
C.
Maximum Ratings
Peak Repetitive Reverse Voltage...V
RRM
RMS Reverse Voltage...V
R(rms)
DC Blocking Voltage...V
DC
Average Forward Rectified Current...I
F(av)
T
A
= 55°C
Non-Repetitive Peak Forward Surge Current...I
FSM
@ Rated Current & Temp
Forward Voltage @ 3.0A...V
F
DC Reverse Current...I
R
@ Rated DC Blocking Voltage
T
A
= 25°C
T
A
= 150°C
SF31 . . . 36 Series
SF31
50
35
50
SF32
100
70
100
SF33
150
105
150
SF34
200
140
200
SF35
250
175
250
SF36
400
280
400
Units
Volts
Volts
Volts
Amps
............................................. 3.0 ...............................................
............................................. 75 ...............................................
Amps
< ......................... 0.95 ........................ >
< ........ 1.4 ....... >
Volts
............................................. 5.0 ...............................................
µAmps
Typical Junction Capacitance...C
J
(Note 1)
Typical Reverse Recovery Time...t
RR
(Note 2)
Operating & Storage Temperature Range...T
J
, T
STRG
............................................. 100 ...............................................
< ......................... 35 ........................ >
< ........ 75 ....... >
pF
nS
°C
............................................. -65 to 150 .......................................
Page 4-28
Data Sheet
3.0 Amp SUPER FAST
PLASTIC RECTIFIERS
Non-Repetitive
Peak Forward Surge Current
175
8.3 mS
Single Half Sine Wave
Forward Current Derating Curve
3
2
Amps
Amps
125
75
25
1
0
25 50 75 100 125 150 175
T
A
= Ambient Temperature (°C)
°
Typical Reverse Characteristics
1
10
Number of Cycles @ 60 HZ
Typical Junction Capacitance
100
T
J
= 150°C
T
J
= 25°C
mAmps
T
J
= 100°C
T
J
= 25°C
pF
Percent of Rated Peak Voltage
Typical Instantaneous
Forward Characteristics
Pulse Width = 300
µ
s
% Duty Cycle
Reverse Voltage (Volts)
Reverse Recovery
Characteristics
Non-Inductive
(+)
(-)
50Ω
Ω
25 VDC
Ω
D.U.T 10Ω
1
Ω
Non-
Inductive
(-)
Pulse
Generator
Note 2
T
J
= 25°C
+.5A
0A
-.25A
-1.0A
t
RR
Ratings at
25 Deg. C ambient
temperature
unless otherwise
specified.
1 cm
Single Phase Half
Wave, 60 HZ
Resistive or
Inductive Load.
For Capacitive
Load, Derate
Current by 20%.
Amps
Oscilliscope (+)
Note 1
Notes:
1. Rise Time = 7 nS Max.
Impedance = 1 megohm, 22 pF
2. Rise Time = 10 nS Max.
Source Impedance = 50 Ohms
Time Base Set @ 50/100nS/cm
Volts
NOTES:
1. Measured @ 1 MHZ and applied reverse voltage of 4.0V.
2. Conditions: I
F
= 0.5A, I
R
= 1.0A, I
RR
= 0.25A.
Page 4-29
SF31 . . . 36 Series
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