Type 2JS / 3JS
JSD0903
5 x 15mm Glass Tube
Time-lag Fuse Series
Catalog
Number
Ampere
Rating
Typical
Volt-drop Melting I
2
T Melting I
2
T Maximum
Cold
@100%
In
< 10 mSec
@10
In
Power
Resistance
Dissipation
(ohm)
(Volt) max. (A
2
Sec)
(A
2
Sec)
(W)
JS 100
JS 125
JS 150
JS 200
JS 250
JS 300
JS 350
JS 400
JS 500
JS 750
JS 1
JS 1.25
JS 1.5
JS 2
JS 2.5
JS 3
JS 3.5
JS 4
JS 5
JS 6
JS 7
N/A
1 hr
20 sec
1.5 sec
300 msec
100mA
125mA
150mA
200mA
250mA
300mA
350mA
400mA
500mA
750mA
1A
1.25A
1.5A
2A
2.5A
3A
3.5A
4A
5A
6A
7A
11.00
7.62
5.28
3.66
2.54
1.76
1.46
1.22
0.84
0.487
0.281
0.195
0.135
0.094
0.065
0.045
0.037
0.031
0.022
0.015
0.012
1.55
1.35
1.17
1.02
0.89
0.77
0.72
0.67
0.59
0.48
0.387
0.337
0.293
0.255
0.222
0.194
0.181
0.168
0.147
0.128
0.119
0.068
0.107
0.167
0.26
0.41
0.64
0.80
0.99
1.55
3.04
5.93
9.3
14.5
22.6
35.3
55.2
69
86
135
211
263
0.088
0.138
0.216
0.34
0.53
0.83
1.03
1.29
2.03
3.97
7.76
12.2
19.0
29.8
46.6
72.9
91
114
179
279
350
0.22
0.245
0.273
0.303
0.338
0.376
0.40
0.42
0.47
0.55
0.64
0.71
0.80
0.89
0.99
1.10
1.16
1.22
1.4
1.5
1.6
Electrical Characteristics
Testing current
100%
135%
200%
500%
1000%
(UL/CSA STD. 248-14)
Blow Time
Minimum
4 hrs.
N/A
3 sec
100 msec
30 msec
Maximum
Approvals
Safety Agency Approvals
Type
2JS/3JS
rSpc
Amp range / Volt @ I.R. ability
100mA - 7A / 350V AC@ 100A
100mA - 7A / 125V AC@ 10,000A
100mA - 7A / 140V DC@ 150A
100mA - 7A / 350V AC@ 100A
100mA - 7A / 125V AC@ 10,000A
1A - 5A / 125V AC@ 500A
>5A - 15A / 125V AC@ 300A
r
Recognized File No. E20624
S
Acceptance File No. LR39772
o.
103 310
p
FEilTe1N37-J3E1T003-71-00303-1001,
J 0
File No. JET1037-31003-1002
2JS/3JS
2JS/3JS
2JS
Operating Temperature
-55°C to +125°C
Consult manufacturer for other ratings
*2JS are cartridge fuses
3JS are pigtail fuses
Physical Specification
Materials
Glass body / Nickel Plated Brass Caps
Lead Wire:
Tin-lead plated Copper, Diameter 0.032"
Option
With Heat Shrink Tubing (VW-1) over body
Marking
On fuse:
“bel”, “JS”, “Current Rating”, “350V”
“Appropriate Safety Logos”
On label:
Above info plus “c”; Interrupting Rating & Type
“2JS” or “3JS”
Packaging
1. In bulk:
2JS
- 2,000 pcs;
3JS
- 500 pcs per box
2. On Axial Tape & Reel: 1,500 pcs per reel
3. Tape & Reel specification:
per EIA-296-E & IEC 286-1
@ 10mm Pitch and 52.4mm inside Tape Spacing
Mechanical Dimensions
0.54"±0.02"
(13.8±0.5mm)
2JS
0.20"±0.004"
(5.1±0.1mm)
0.217"±0.004"
(5.5±0.1mm)
3JS
0.710"±0.080"
(18.0±2.0mm)
0.244"±0.008"
(6.2±0.2mm)
0.590"±0.020"
(1.5±1.0mm)
WITH INSULATION SLEEVE
ORDERING INFORMATION SEE PAGES 67 & 68
Bel Fuse Inc.
206 Van Vorst Street, Jersey City, NJ 07302 • Tel: 201-432-0463 • Fax: 201-432-9542 • E-Mail: belfuse@belfuse.com
Website: www.belfuse.com
31
Specifications subject to change without notice
1.50"±0.08"
(38.1±2.0mm)
0.59"±0.02"
(15.0±0.5mm)
Type 2JS / 3JS
Time-lag Fuse Series
5 x 15mm Glass Tube
JSC0801
2JS / 3JS - TIME CURRENT CHARACTERISTIC CURVE
-
750mA
-
1A
-
350mA
-
400mA
-
500mA
-
100mA
-
125mA
-
150mA
-
200mA
-
250mA
-
1.25A
-
1.5A
-
2A
-
2.5A
-
3A
-
3.5A
-
4A
-
5A
-
6A
-
7A
10000
1000
TIME IN SECONDS
100
10
1
0.1
0.01
0.01
0.1
1
10
100
1000
CURRENT IN AMPERES
NOTE - see important information under “User Guide”on P.08
Corporate Office
Bel Fuse Inc.
206 Van Vorst Street, Jersey City, NJ 07302
Tel: 201-432-0463
Fax: 201-432-9542
E-Mail: belfuse@belfuse.com
Website: www.belfuse.com
Far East Office
Bel Fuse Ltd.
8F/8 Luk Hop Street
San Po Kong
Kowloon, Hong Kong
Tel: 852-2328-5515
Fax: 852-2352-3706
European Office
Bel Fuse Europe Ltd.
Preston Technology Management Centre
Marsh Lane, Preston PR1 8UD
Lancashire, U.K
Tel: 44-1772-556601
Fax: 44-1772-888366
Specifications subject to change without notice
32