Parameter
Symbols
Units
Maximu
m
Repetitiv
e Pea
k
Reverse Vo
ltag
e
V
RRM
20 40 60 80 100
12
0 150 200
V
Maximu
m RM
S
voltag
e
V
RM
S
14
28
42
56 70 84 105
14
0
V
Maximum DC Blockin
g Voltag
e
V
DC
20 40 60 80 100
12
0 150 200
V
Maximu
m A
verag
e Forward Rectified Curren
t
I
F(AV)
3.
0
A
Pea
k
Forward
Surg
e
Current,8.3m
s
Singl
e Hal
f
Sine-wave
Superimpose
d
on Rated Load
(JEDE
C method
)
I
FS
M
80 70
A
Ma
x
Instantaneous Forward Vo
ltag
e at 3 A
V
F
0.55 0.70 0.85 0.95
V
0.5 0.
3
5
3
250 180
（
2
）
T
ypica
l
Therma
l
Resistance
70
°
C/
W
Operatin
g
Junctio
n T
emperatur
e
Rang
e
-55 ~ +150
°
C
Storag
e T
emperatur
e
Rang
e
T
st
g
-55 ~ +150
°
C
T
a
= 25
°
C
T
a
=100
°
C
IR
C
j
m A
pF
R
θ
JA
T
j
Maximum DC Reverse Curren
t
at Rated DC Reverse Vo
ltag
e
T
ypica
l
Junctio
n
Capacitanc
e
（
1
）
Absolute Maximum Ratings and Electrical characteristics
Ratings at ambient temperature unless otherwise specified.Single phase, half wave, 60Hz resistive or inductive load,
for capacitive load, derate by 20 %
25
°
C
Features
Metal silicon junction, majority carrier conduction
For surface mounted applications
Low power loss, high efficiency
High forward surge current capability
For use in low voltage, high frequency inverters,
free wheeling, and polarity protection applications
MECHANICAL DATA
• Case: SMAF
• Terminals: Solderable per MIL-STD-750, Method 2026
•
27mg / 0.00095ozApprox. Weight:
Measured at 1 MHz and applied reverse voltage of 4 V D.C
（
2
）
（
1
）
P.C.B. mounted with 2.0" X 2.0" (5 X 5 cm) copper pad areas.
•
•
•
•
•
•
SS32AF-SS320AF
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SS32AF
SS34AF SS36AF SS38AF
SS310AF
SS312AF
SS315AF
SS320AF
0.1
0 0.4
1.4
Fig.3 Typical Forward Characteristic
Instaneous Forward Current (A)
Instaneous Forward Voltage (V)
1.0
10
0.60.2 0.8 1.0 1.2 1.81.6
SS32F/SS34F
SS34AF/SS38F
SS310F/SS312F
SS315F/SS320F
20
Fig.2 Typical Reverse Characteristics
Instaneous Current (
μ
A)
Reverse
20 40 60 800
T =25
J
°
C
T =100
J
°
C
Percent of Rated Peak Reverse Voltage
（%）
100
10
0
10
1
10
2
10
3
10
4
T =75
J
°
C
SS32F/SS36F
SS38F-SS320F
0.6
1.2
1.8
2.4
3.0
3.5
0.0
25 50 75 100 125 150
Fig.1 Forward Current Derating Curve
Average Forward Current (A)
0.01
100
1
10
100
Fig.5- Typical Transient Thermal Impedance
Transient Thermal Impedance
（
/W
）
°
C
t, Pulse Duration
（
sec
）
0.1 1 10
Case Temperature (
°
C)
Fig.4 Typical Junction Capacitance
Junction Capacitance (
pF)
Reverse Voltage (V)
10
0.1 10
100
500
20
100
1
1000
T =25
J
°
C
200
SS32F~SS36F
SS38F~SS320F
Fig.4 Typical Junction Capacitance
Junction Capacitance (
pF)
Reverse Voltage (V)
10
0.1 10
100
500
20
100
1
1000
T =25
J
°
C
200
SS32F~SS38F
SS310F~SS320F
Single phase half-wave 60 Hz
resistive or inductive load
10 100
Fig.5 Maximum Non-Repetitive Peak
Forward Surage Current
Peak
A)Forward Surage Current (
Number of Cycles at 60Hz
8.3 ms Single Half Sine Wave
(JEDEC Method)
1
20
40
60
00
80
100
SS32F-SS38F
SS310F-SS320F
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SS32AF-SS320AF