SURFACE MOUNT FUSES No. 425 / X-SMQ This product is not recommended for new designs. Please refer to Littelfuse No. 154T. UL 248-14, 125V 125V,, T Specifications Holder with mounted fuse No. 420 Packaging Time-Current Characteristic Time Lag (T) Materials of the Holder Standard Housing: Terminals: UL 248-14 CSA C22.2 No. 248.14 Approvals Holder plastics UL94 V-O Copper alloy, Ni+Sn plated, lead free Operating TTemperature emperature cULus Recognized -55ºC to +125ºC (consider de-rating) Features Climatic Category -55ºC/+125ºC/21 days (IEC 60068-2-1...3) Easy exchange of the fuse For line or low voltage applications Low voltage drop Internationally approved High pulse resistance For reflow soldering Dimensions (mm) 010: Blister tape 38 cm reel (1500pcs.) tape width 16 mm Stock Conditions +10ºC to +60ºC relative humidity ≤ 75% yearly average, without dew, maximum value for 30 days-95% V ibration Resistance W ebLinks 24 cycles at 15 min. each (IEC 60068-2-6) 10 - 60Hz at 0.75mm amplitude 60 - 2000Hz at 10g acceleration Further info see: www.wickmanngroup.com Further application info see Fuseology: 3,7 www.wickmann.com/download/fuseology.pdf Solderability 235ºC, 3 sec. (IEC 60068-2-58) Soldering Heat Resistance 260ºC, 10 sec. (IEC 60068-2-58) 280°C, 5 sec. Minimum Cross Section, Copper 5 10 Conducting path - 0.1mm 2 Thickness - 0.035mm Pad Layout 4,24+0,05 Mounting 4,24+0,05 2,13+0,05 3,81+0,05 Avoid circuit traces below the fuse Marking on fuse T, Current Rating *) Limits for Pre-arcing Time 500mA ... 5.00A 0.4g (approx.) 2.0 x IN 1s ... 60s Permissible continuous operating current is ≤ 70% at ambient temperature of 23ºC (73.4ºF). Rated Amp Voltage Breaking Voltage Drop Power Dissipation Current code Rating Capacity 1.0 x IN 1.0 x IN typ. (mV) typ. (mW) 500mA 750mA 1.00A 1.50A 2.00A 2.50A 3.00A 3.50A 4.00A 5.00A 0500 0750 1100 1150 1200 1250 1300 1350 1400 1500 125V 125V 125V 125V 125V 125V 125V 125V 125V 125V 50A / 125VAC 50-60Hz cos ϕ = 1.0 50A / 80VDC 35A / 125VAC 50-60Hz; cos ϕ = 1.0 50A / 80VDC 430 300 270 150 165 130 125 112 110 100 230 270 435 270 380 400 450 512 560 620 Melting Integral 10 x IN min. (A2s) typ. 0.22 0.75 1.60 3.20 5.50 8.50 11.0 21.0 30.0 50.0 0.29 1.0 2.2 5.0 6.8 11.0 14.5 28.0 40.0 74.0 Approvals cURus Rated Current Unit Weight • • • • • • • • • • *) Please note: The holder no. 425 is lead-free, but not the inserted fuse no. 420 Order Information 050912 Qty. OrderNumber WebSite Europe Tel: +49 2302 662-107 www.wickmanngroup.com E-mail: [email protected] Series 425 Amp Code Americas Tel: +1 404 699-7820 E-mail: [email protected] Packaging Asia Tel: +852 26 14-1108 E-mail: [email protected] Specifications are subject to change without notice China Tel: +86 21 6432 5146 E-mail: [email protected] SURFACE MOUNT FUSES 00 0,0 10 No. 425 / X-SMQ I-t Characteristics (Min-Max Limit) 0 ,00 10 UL 248-14 Test value 00 1,0 10 Time (sec.) 0 10 1 0.1 0.0 1 01 0.0 1 1.5 2 3 4 5 6 7 8 9 10 15 I Fault / I Rated Contact WICKMANN for individual I-t curves 050912 WebSite Europe Tel: +49 2302 662-107 www.wickmanngroup.com E-mail: [email protected] Americas Tel: +1 404 699-7820 E-mail: [email protected] Asia Tel: +852 26 14-1108 E-mail: [email protected] China Tel: +86 21 6432 5146 E-mail: [email protected]