Data Sheet

Type 2JS / 3JS
2
/
4
Bel Fuse
Inc.
206 Van Vorst Street
Jersey City, NJ 07302 USA
+1
201.432.0463
[e-mail]
belfuse.com/circuit
-
protection
© 201
8
Bel
Fuse, Inc.
Rev.
JS
Nov
2018
Environmental Specifications
Shock Resistance
MIL
-
STD
-
202G, Method 213B, Test Condition 1
(100 G's peak for 6 milliseconds; Sawtooth waveform)
Vibration Resistance
MIL
-
STD
-
202G, Method
201A (10
-
55 Hz,
0.06 inch, total excursion).
Salt Spray Resistance
MIL
-
STD
-
202G, Method 101E, Test Condition B (48 hrs).
Insulation Resistance
MIL
-
STD
-
202G,
Method 302, Test Condition A
(After Opening) 10,000 ohms minimum.
Solderability
MIL
-
STD
-
202G,
Method 208H
Resistance to solder Heat
MIL
-
STD
-
202
G, Method 210F, Test Condition B
(260
+/
-
5
℃
,1
0
+/
-
1
sec)
Thermal Shock
MIL
-
STD
-
202G
, Method 107G, Test Condition B
(
-
65
℃
to +125
℃
).
Operating Temperature
-
55
℃
to +125
℃
T
erminal Strength
IEC
-
68
-
2
-
21
Electrical
S
pecifications
Catalog
Number
Ampere
Rating
Typical Cold
Resistance
(ohm
s
)
Volt
-
drop
@100%In
(Volt
)
max.
Voltage and
Interrupting
Ratings
Melting I²T
<10 m
Sec
(A²
Sec)
Melting I²T
@10 In
(A²
Sec)
Maximum
Power
Dissipation
(W)
Agency
Approvals
JS
100
-
R
1
00mA
13.5
2.42
See Table of
Safety Approvals
on Page 1 for
Voltage and
associated
Interrupting
Ratings
0.068
0.088
0.22
Y
Y
JS
1
25
-
R
125
mA
7.7
1.68
0.107
0.138
0.24
Y
Y
JS
150
-
R
150
mA
5.6
1.56
0.167
0.216
0.27
Y
Y
JS
200
-
R
200
mA
3.5
1.20
0.26
0.34
0.30
Y
Y
JS
25
0
-
R
250
mA
2.3
0.96
0.41
0.53
0.34
Y
Y
JS
300
-
R
300
mA
1.5
0.78
0.64
0.83
0.36
Y
Y
JS
350
-
R
350
mA
1.1
0.67
0.80
1.0
0.40
Y
Y
JS
400
-
R
400
mA
0.86
0.59
0.99
1.3
0.42
Y
Y
JS
500
-
R
500
mA
0.62
0.53
1.6
2.0
0.47
Y
Y
JS
600
-
R
600
mA
0.44
0.53
2.2
2.3
0.49
Y
Y
JS
70
0
-
R
7
0
0
mA
0.32
0.42
3.0
4.0
0.54
Y
Y
JS
75
0
-
R
750
mA
0.28
0.38
3.0
4.0
0.55
Y
Y
JS
800
-
R
800
mA
0.23
0.37
5.0
7.0
0.60
Y
Y
JS
1
-
R
1A
0.19
0.36
5.9
7.8
0.64
Y
Y
Y
JS
1.25
-
R
1.25A
0.13
0.30
9.3
12
0.71
Y
Y
Y
JS
1.5
-
R
1.5A
0.094
0
.23
15
19
0.80
Y
Y
Y
JS
2
-
R
2A
0.063
0.22
23
30
0.89
Y
Y
Y
JS
2
.5
-
R
2.5A
0.046
0.21
35
46
0.99
Y
Y
Y
JS
3
-
R
3A
0.037
0.19
55
72
1.10
Y
Y
Y
JS
3.5
-
R
3.5A
0.030
0.18
69
91
1.16
Y
Y
Y
JS
4
-
R
4A
0.026
0.18
86
114
1.22
Y
Y
Y
JS
5
-
R
5A
0.018
0.16
135
179
1.36
Y
Y
Y
JS
6
-
R
6A
0.015
0.16
211
279
1.51
Y
Y
Y
JS
7
-
R
7A
0.012
0.15
263
350
1.60
Y
Y
Y
Consult manufacturer for other ratings
Spe
cifications subject to change without notice