Data Sheet

Type MJS
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. MJS Nov2018
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
℃
Terminal Strength
IEC
-
68
-
2
-
21
Electrical
S
pecifications
Consult manufacturer for other ratings
Catalog
Number
Ampere
Rating
Typical Cold
Resistance
(ohm)
Volt
-
drop
@100%In
(Volt
)
max.
Voltage and
Interrupting
Ratings
Melting I²T
<10 mSec
(A²
Sec)
Melting I²T
@10 In
(A²
Sec)
Peak Surage
Current (Amp)
Maximum
Power
Dissipation
(W)
Agency Approvals
(Flg A)
25 Pulses
10uS x
1000
uS
(Flg B)
50 Pulses
10uS x
560uS
MJS
100
-
R
1
00mA
12.5
1.88
See Table of Safety
Approvals on Page
1
for Voltage and
associated
Interrupting Ratings
0.068
0.088
4.5
6.0
0.22
Y
Y
MJS
1
25
-
R
125
mA
7.8
1.44
0.107
0.138
5.6
7.5
0.24
Y
Y
MJS 15
0
-
R
15
0
mA
5.3
1.17
0.167
0.216
6.8
9
0.27
Y
Y
MJS
200
-
R
200
mA
3.7
1.02
0.26
0.34
9
12
0.30
Y
Y
MJS
25
0
-
R
250
mA
2.27
0.89
0.41
0.53
12
16
0.34
Y
Y
MJS
300
-
R
300
mA
1.57
0.78
0.60
0.83
15
17
0.36
Y
Y
MJS
3
50
-
R
3
50
mA
1.10
0.72
0.8
1.0
18
24
0.40
Y
Y
MJS
400
-
R
400mA
0.875
0.67
1.0
1.3
20
27
0.42
Y
Y
MJS 5
00
-
R
5
00
mA
0.630
0.59
1.6
2.0
26
35
0.47
Y
Y
MJS
600
-
R
600mA
0.440
0.53
2.2
2.3
29
33
0.49
Y
Y
MJS
700
-
R
700mA
0.341
0.49
3.0
4.0
38
50
0.54
Y
Y
MJS
7
50
-
R
7
50
mA
0.326
0.48
3.0
4.0
38
50
0.55
Y
Y
MJS
800
-
R
800mA
0.250
0.42
5.0
7.0
50
66
0.60
Y
Y
MJS
1
-
R
1A
0.195
0.39
5.9
7.8
56
75
0
.
64
Y
Y
Y
MJS
1.25
-
R
1.25A
0.130
0.34
9.3
12
75
100
0.71
Y
Y
Y
MJS
1.5
-
R
1.5A
0.100
0.29
15
19
94
125
0.80
Y
Y
Y
MJS
2
-
R
2A
0.061
0.26
23
30
120
160
0.89
Y
Y
Y
MJS
2
.5
-
R
2.5A
0.046
0.22
35
47
150
200
0.99
Y
Y
Y
MJS
3
-
R
3A
0.037
0.19
55
73
195
260
1.10
Y
Y
Y
MJS
3.5
-
R
3.5A
0.029
0.18
69
91
225
300
1.16
Y
Y
Y
MJS
4
-
R
4A
0.024
0.17
86
114
255
340
1.22
Y
Y
Y
MJS
5
-
R
5A
0.019
0.15
135
179
330
440
1.36
Y
Y
Y
MJS
6
-
R
6A
0.015
0.13
211
279
428
570
1.51
Y
Y
MJS
7
-
R
7A
0.012
0.12
263
350
488
650
1.60
Y
Y
Spe
cifications subject to change without notice