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
ORDERING INFORMATION SEE PAGES 67 & 68
Specifications subject to change without notice
Consult manufacturer for other ratings
Mechanical Dimensions
Type 3SB / 3SBP
Slow Blow Fuse Series
1/4 x 1 1/4 inch Glass Tube
3SBD0903
Electrical Characteristics (UL/CSA STD. 248-14)
Approvals
Operating Temperature
-55ºC to +125ºC
Physical Specification
Materials
Glass body / Nickel Plated Brass Caps
Lead wire:
Tin-lead plated Copper,
Diameter 0.032", 5A and less
Diameter 0.040", 6A and above
Marking
On fuse:
“bel”, “3SB”, “Current Rating”, “Voltage Rating”, and
"Appropriate Safety Logos"
On label:
Above info plus “c” and interrupting rating
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
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36)P(BS363Am3.779.690.001.017.0
08)P(BS3Am080.257.531.051.047.0
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521)P(BS3Am5219.517.223.073.065.0
061)P(BS3Am0615.113.205.085.095.0
002)P(BS3Am0023.89.177.019.016.0
052)P(BS3Am0526.56.102.124.146.0
003)P(BS3Am0038.33.158.122.286.0
573)P(BS3Am5738.21.16.22.317.0
005)P(BS3Am0057.19.04.44.557.0
057)P(BS3Am05748.07.07.91.2138.0
1)P(BS3A125.05.04.616.0288.0
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6.1)P(BS3A6.132.083.03.934.050.1
2)P(BS3A261.023.016970.1
5.2)P(BS3A5.211.072.0493211.1
3)P(BS3A370.022.06412911.1
4)P(BS3A450.091.06220032.1
5)P(BS3A530.061.09439643.1
6)P(BS3A6910.061.06825546.1
7)P(BS3A7610.061.02732958.1
8)P(BS3A8410.051.03849679.1
01)P(BS3A01010.041.071800313.2
21)P(BS3A21800.031.0772113026.2
51)P(BS3A51600.021.0321277330.3
3SBP
3SB
0.250"
±
0.004"
(6.35
±
0.1mm)
1.28"
±
0.03"
(32.5
±
0.8mm)
0.270"
±
0.004"
(6.9
±
0.1mm)
1.5"
±
0.08"
(38.1
±
2mm)
SEE LEAD SIZE LISTED IN “ MATERIAL”
1.25"
±
0.03"
(31.8
±
0.8mm)
59
p