,
LJnc.
20 STERN AVE.
SPRINGFIELD, NEW JERSEY 07081
U.S.A.
TELEPHONE: (973) 376-2922
(212) 227-6005
FAX: (973) 376-8960
3SM2 - 3SMO
Axial Leaded Hermetically Sealed
Standard Recovery Rectifier Diode
Description
Features
Low reverse leakage current
Hermetically sealed in fused metal oxide
V
R
= 200 - 1000V
Good thermal shock resistance
Low forward voltage drop
Avalanche capability
L
5.0A
V
F
= i.ov
Absolute Maximum Ratings
Electrical specifications @ T = 25°C unless otherwise specified.
Symbol
Working Reverse Voltage
Average Forward Current
@ 55°C in free air, lead length
0.375"
Repetitive Surge Current
@ 55°C in free air, lead length
0.375"
Non-Repetitive Surge Current
(tp = 8.3mS @ V
R
& T
JMAX
)
(tp = 8.3mS, @ V
R
& 25°C)
Storage Temperature Range
3SM2
3SM4
3SM6
3SM8
3SMO
Units
RWM
200
400
600
5.0
800
1000
V
A
'p(AV)
FRM
25
A
FSM
100
150
-65 to +175
A
STG
°C
NJ Semi-Conductors reserves the right to change test conditions, parameter limits and package dimensions without
notice. Information furnished by NJ Semi-Conductors is believed to.be both accurate and reliable at the time of going
to press. However, NJ Semi-Conductors assumes no responsibility for any errors or omissions discovered in its use.
NJ Semi-Conductors encourages customers to verify that datasheets are current before placing orders.
Quality Semi-Conductors
Electrical Specifications
Symbol
3SM2
Average Forward Current (sine wave)
- max. T
A
= 55°C
- max. L = 3/8"; T
L
= 55°C
Ft for fusing (t = 8.3mS) max
Forward Voltage Drop max.
@ I
F
= 3.0A, T=25°C
Reverse Current max.
@V
R W M
,T] = 25°C
@V
R W M
,Tj = 125°C
Reverse Recovery Time max.
0.5A I
F
to 1.0A I
RU
recovers to 0.25A I
RM(REC)
Junction Capacitance typ.
@ V
R
= 5V, f = 1 MHz
3SM4
3SM6
3.0
5.0
42
Units
3SM8
3SMO
A
A
2
S
V
uA
F(AV)
F(AV)
Ft
V
F
1.0
I
R
'
R
trr
Cj
1.0
60
2.0
MS
P
F
92
Thermal Characteristics
Symbol
Thermal Resistance-Junction to Lead
Lead length = 0.375"
Lead length = 0.0"
Thermal Resistance-Junction to
Ambient on 0.06" thick pcb. 1 oz.
copper
3SM2
3SM4
3SM6
22
4
47
3SM8
3SMO
Units
R
,,
JL
R9JL
°c/w
R
8JA
°c/w
BAND INDICATES
q
^.
.175 I YP.
4
'
4mm
.145 MAX,
C 3.68mm
c
1
.975 WIN.
24.8mm
1
i
f
n
1
+
4
.300 MAX.
"*~7.62mnT
H
2.30 MIN.
1
.040 ±001
1.02mm ±.03
.115 TYP.
2.9mm
Talking
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