3SB7

1/4 x 1 1/4 inch Glass Tube Type 3SB / 3SBP Slow Blow Fuse Series 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 Vßpc Approvals Safety Agency Approvals Type Amp range / Volt @ I.R. ability 63mA. - 1A / 250V AC@ 35A >1A. - 3.5A / 250V AC@ 100A >3.5A. - 8A / 250V AC@ 200A 63mA. - 15A / 125V AC@ 10,000A V Listed File No. E20624 ß Certified File No. LR39772 3SB / 3SBP pFJEilTe1N03o7. -J3E1T010033-71-03013003-1001 3SB / 3SBP 1A. -5A / 125V AC@ 500A 3SB >5A. - 15A /125V AC@ 300A File No. JET1037-31003-1002 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 Catalog Number Ampere Rating 3SB (P) 63 3SB (P) 80 3SB (P) 100 3SB (P) 125 3SB (P) 160 3SB (P) 200 3SB (P) 250 3SB (P) 300 3SB (P) 375 3SB (P) 500 3SB (P) 750 3SB (P) 1 3SB (P) 1.25 3SB (P) 1.6 3SB (P) 2 3SB (P) 2.5 3SB (P) 3 3SB (P) 4 3SB (P) 5 3SB (P) 6 3SB (P) 7 3SB (P) 8 3SB (P) 10 3SB (P) 12 3SB (P) 15 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 2 2 (ohm) (Volt) max. (A Sec) (A Sec) (W) 77.3 52.0 22.0 15.9 11.5 8.3 5.6 3.8 2.8 1.7 0.84 0.52 0.35 0.23 0.16 0.11 0.07 0.05 0.03 0.019 0.016 0.014 0.010 0.008 0.006 6.9 5.7 3.3 2.7 2.3 1.9 1.6 1.3 1.1 0.9 0.7 0.5 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 2.6 4.4 9.7 16.4 25.4 39.3 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 3.2 5.4 12.1 20.6 32.3 50.4 79 123 192 300 469 455 592 769 1300 2031 3377 0.71 0.74 0.54 0.56 0.59 0.61 0.64 0.68 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 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 3SBD0903 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 59 1/4 x 1 1/4 inch Glass Tube Type 3SB / 3SBP Slow Blow Fuse Series 3SBC0801 - 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 TIME IN SECONDS 1000 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 60