SSQCD0303 Replaceable SSQ/SST with Integral Clips These fuse/clip assemblies can efficiently placed in a single pass. Once reflowed, fuse replacement requires no resoldering. SSQ Square Ceramic Surface Mount Quick Action Fuse SST Square Ceramic Surface Mount Slow Blow Fuse Catalog Number Ampere Rating Catalog Number Ampere Rating SSQC 250 250mA SSTC 375 375mA SSQC 375 375mA SSTC 500 500mA SSQC 500 500mA SSTC 625 625mA SSQC 750 750mA SSTC 750 750mA SSQC 1 Electrical Specifications Maximum Recommended Fuse Current Rating 8 Amperes, 125 Volts. 1A SSQC 1.25 1.25A SSQC 1.5 1.5A SSQC 2 Environmental Specifications Insulation Resistance MIL-STD-202, Method 302, Test Condition A (After Opening) 10,000 ohms minimum. 3A SSTC 3.5 3.5A 3.5A SSTC 4 4A SSQC 4 4A SSTC 5 5A SSQC 5 5A SSTC 7 7A SSQC 6.3 Vibration MIL-STD-202, Method 201 (10-55 Hz, 0.06 inch, total excursion). 2A 2.5A SSTC 3 3A SSQC 3.5 Shock MIL-STD-202, Method 213, Test Condition I (100 G’s peak for 6 milliseconds). 1.5A SSTC 2 SSTC 2.5 2.5A SSQC 3 Operating Temperature -55°C to 125°C 1A SSTC 1.5 2A SSQC 2.5 Soldering Techniques & Compatibility Reflow: Industrial standard: 240°C peak SSTC 1 6.3A SSQC 7 7A SSQC 8 8A Consult manufacturer for other ratings Solderability MIL-STD-202, Method 208 Thermal Shock MIL-STD-202, Method107, Test Condition B (-65°C to +125°C) Mechanical Dimensions Physical Specification Materials Clip Terminals: Tin Plated Inconel Alloy 3.30mm (0.130") REF. SSQC 3 7.49mm (0.295") REF. 9.15mm (0.360") 2.49mm (0.098") REF. FUSE 2.79 ± 0.2mm (0.110" ± 0.08") 3.81mm (0.150") 9.04 ± 0.5mm (0.356" ± 0.02") 3.33mm (0.131") Recommended Pad Layout 3.15 ± 0.10mm (0.124" ± 0.004") Specifications subject to change without notice Packaging 2,000 fuses in 13 inches dia. reel, 16mm wide tape, 8mm pitch, per EIA standard 481 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: [email protected] Website: www.belfuse.com 09 SMD Comparison SMD0303 MECHANICAL DIMENSIONS FUSE TYPE 3.05 ± 0.13mm (0.120" ± 0.005") 2.03 ± 0.10mm (0.080" ± 0.004") 5.08mm (0.20") 3.05 ± 0.13mm (0.120" ± 0.005") bel 1.25 4.06mm (0.16") 9.65 ± 0.25mm (0.38" ± 0.01") 3.81mm (0.15") 2.03±0.10mm (0.080"±0.004") SSQ / SST 2.54±0.10mm (0.100"±0.004") 3.00mm (0.12") 3.18mm (0.125") 2.54±0.10mm (0.100"±0.004") 7 2.00mm (0.08") 9.65±0.25mm (0.38"±0.01") 3 SSQ / SST WITH 2.50mm REF. (0.098") 0.295" REF. 3.81mm (0.150") FUSE INTEGRAL CLIP 0.110" 2.80mm (0.110") 0.124" 0.356" REF 1.52±0.10mm (0.060"±0.004") 0.36±0.15mm (0.014"±0.006") 1.78mm (0.07") C1Q 1.52mm (0.06") 1.52mm (0.06") 3.07±0.13mm (0.121"±0.005") 2.03mm (0.08") 1.14mm (0.045 ") 1.52mm (0.06") INFRARED SOLDER WAVE SOLDER 0.58±0.08mm (0.023"±0.003") 0.79±0.10mm (0.031"±0.004") 0.30±0.10mm (0.012"±0.004") C2Q 1.60±0.13mm (0.063"±0.005") 0.76mm (0.03") 0.76mm (0.03") 1.27mm (0.05") 1.02mm (0.04") 0.66mm (0.026") INFRARED SOLDER 0.76mm (0.03") WAVE SOLDER 0.48±0.08mm (0.019"±0.003") Specifications subject to change without notice SMP PAD LAYOUT RECOMMENDED 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: [email protected] 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 10