BEL 3SB300

1/4 x 1 1/4 inch Glass Tube
RoHS Compliant
Type 3SB / 3SBP
3SBD1005
Slow Blow Fuse Series
ESB1005A1
Catalog
Number
Electrical Characteristics (UL/CSA STD. 248-14)
Testing current
Blow Time
Minimum
Maximum
100%
4 Hrs.
N/A
135%
N/A
1 Hr
200%
5 sec
30 sec
ußpc
Approvals
Safety Agency Approvals
u
ß
Type Amp range/Volt @ I.R. ability
Listed File No. E20624
3SB /
3SBP
Certified File No. LR39772
63mA.- 8A / 125V AC @ 10,000A
63mA - 8A / 250 AC @ 200A
8.1A - 15A / 125V AC @ 10,000A
63mA.>1A.>3.5A.8.1A.-
File No. JET1037-31003-1001 3SB /
3SBP
1A.- 5A / 125V AC @ 500A
p JET1037-31003-1003
File No. JET1037-31003-1002
3SB
1A / 250V AC @ 35A
3.5A / 250V AC @ 100A
8A / 250V AC @ 200A
15A / 125V AC @ 10,000A
>5A.- 15A /125V AC @ 300A
RoHS Compliant Product
3SB
3SB
3SB
3SB
3SB
3SB
3SB
3SB
3SB
3SB
3SB
3SB
3SB
3SB
3SB
3SB
3SB
3SB
3SB
3SB
3SB
3SB
3SB
3SB
3SB
(P)
(P)
(P)
(P)
(P)
(P)
(P)
(P)
(P)
(P)
(P)
(P)
(P)
(P)
(P)
(P)
(P)
(P)
(P)
(P)
(P)
(P)
(P)
(P)
(P)
63
80
100
125
160
200
250
300
375
500
750
1
1.25
1.6
2
2.5
3
4
5
6
7
8
10
12
15
RoHS
Suffix
Ampere
Rating
-R
-R
-R
-R
-R
-R
-R
-R
-R
-R
-R
-R
-R
-R
-R
-R
-R
-R
-R
-R
-R
-R
-R
-R
-R
63mA
80mA
100mA
125mA
160mA
200mA
250mA
300mA
375mA
500mA
750mA
1A
1.25A
1.6A
2A
2.5A
3A
4A
5A
6A
7A
8A
10A
12A
15A
Typical
Volt-drop Melting I2T Melting I2T Maximum
Cold
@100% In < 10 mSec @10 In
Power
Resistance
Dissipation
(ohm)
(Volt) max. (A2 Sec)
(A2 Sec)
(W)
77
52
29
16
11
8.3
5.6
3.8
2.5
1.4
0.7
0.4
0.24
0.16
0.12
0.08
0.07
0.04
0.03
0.02
0.016
0.014
0.010
0.008
0.006
6.9
5.7
3.5
2.7
2.3
1.9
1.6
1.3
1.1
0.9
0.67
0.54
0.5
0.38
0.32
0.27
0.22
0.19
0.16
0.16
0.16
0.15
0.14
0.13
0.12
0.09
0.13
0.21
0.32
0.50
0.77
1.20
1.85
2.61
4.43
8.7
16.4
25.4
39
61
94
146
226
349
286
372
483
817
1277
2123
0.10
0.15
0.24
0.37
0.58
0.91
1.42
2.22
3.15
5.41
10.1
20.6
32.3
50
79
123
192
300
469
455
592
769
1300
2031
3377
0.7
0.7
0.5
0.6
0.6
0.6
0.6
0.7
0.71
0.75
0.83
0.88
0.9
1.0
1.0
1.1
1.1
1.2
1.3
1.6
1.8
1.9
2.3
2.6
3.0
Consult manufacturer for other ratings
For RoHS Compliant Version, add suffix “R” after catalog number
-55ºC to +125ºC
Physical Specification
Materials
Glass body / Nickel Plated Brass Caps
Lead wire:
Tin plated Copper,
Diameter 0.032", 5A and less
Diameter 0.040", 6A and above
Marking
On fuse:
“bel”, “3SB”, “Current Rating”, “Voltage Rating”,
“Appropriate Safety Logos”, “✔” (RoHS Version)
On label:
“bel”, “3SB”or “3SBP”, “Current Rating”, “Voltage
Rating”, “Interrupting Rating”,“Appropriate Safety Logos”
and “
”+ suffix “R” for RoHS Version
Voltage on fuse:
250V for 63mA to 8A; 125V for 10A and above
Packaging
1. In bulk:
3SB - 1,000 pcs per box; 3SBP - 500 pcs per box
2. On Axial Tape & Reel:
1,000 pcs per reel
3. Tape & Reel specification:
per EIA-296-E & IEC 286-1@ 10mm Pitch and 73mm inside Tape Spacing
Mechanical Dimensions
3SB
3SBP
1.25" ± 0.03" 0.250" ± 0.004"
(31.8 ± 0.8mm) (6.35 ± 0.1mm)
1.5" ± 0.08"
1.28" ± 0.03" 0.270" ± 0.004"
(38.1 ± 2mm) (32.5 ± 0.8mm) (6.9 ± 0.1mm)
SEE LEAD SIZE LISTED IN “ MATERIAL”
Specifications subject to change without notice
Operating Temperature
ORDERING INFORMATION SEE LAST 2 PAGES
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
63
1/4 x 1 1/4 inch Glass Tube
RoHS Compliant
Type 3SB / 3SBP
Slow Blow Fuse Series
3SBC1005
E3SBC1005A1
- 63mA
- 80mA
- 100mA
- 125mA
- 160mA
- 200mA
- 250mA
- 300mA
- 375mA
- 500mA
- 750mA
- 1A
- 1.25A
- 1.6A
- 2A
- 2.5A
- 3A
- 4A
- 5A
- 6A
- 7A
- 8A
-10A
-12A
-15A
3SB / 3SBP - TIME CURRENT CHARACTERISTIC CURVE
10000
1000
TIME IN SECONDS
100
10
0.1
0.01
0.01
0.1
1
10
100
1000
CURRENT IN AMPERES
Specifications subject to change without notice
1
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
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