SURFACE MOUNT FUSES No. 420 SM This product is not recommended for new designs. Please refer to Littelfuse No. 452. UL 248-14, 125 V V,, T Specifications T ime-Current Packaging Time Lag (T) Characteristic 000: Blister tape 18 cm reel (1000 pcs.) 001: Blister tape 33 cm reel (5000 pcs.) Tape width 12 mm Standard UL 248-14 CSA C22.2 No. 248.14 Materials Housing: Element: Terminals: Approvals cULus Recognized Features max. 2,77 6,1 –0,2 1,45 -0,2 Operating TTemperature emperature Heat resistant ceramic housing For line or low voltage applications Low voltage drop Internationally approved High pulse resistance Also available as holder system 425 with mounted fuse 420 Dimensions (mm) www.wickmanngroup.com Further application infos see Fuseology: www.wickmanngroup.com/download/ fuseology.pdf -55 ºC/+125 ºC/21 days (IEC 60068-1,-2-1,-2-2,-2-78) Stock Conditions +10ºC to +60ºC relative humidity ≤ 75 % yearly average, without dew, maximum value for 30 days-95 % Solderability 235 ºC, 3 s (IEC 60068-2-58) Soldering Heat Resistance 260 ºC, 10 s (IEC 60068-2-58) 3,0 Minimum Cross Section, Copper Conducting path - 0.175 mm 2 Thickness - 0.035 mm 3,15 +0,05 1,96 +0,05 Climatic Category 24 cycles at 15 min each (IEC 60068-2-6) 10 - 60 Hz at 0.75 mm amplitude 60 - 2000 Hz at 10 g acceleration Further infos see: Pad Layout -55 ºC to +125 ºC (consider de-rating) V ibration Resistance WebLinks 1,45 -0,2 Ceramic Wire Copper alloy, silver plated Mounting Avoid circuit traces below the fuse 1,96 +0,05 Marking T, Current Rating Unit W eight Weight 0.23g (approx.) Rated Current 2.0 x IN 500 mA ... 5.00 A 1 s ... 60 s 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 Order Information 050912 0500 0750 1100 1150 1200 1250 1300 1350 1400 1500 125V 125V 125V 125V 125V 125V 125V 125V 125V 125V Qty. 50 A / 125 V AC 50-60Hz cos ϕ = 1.0 50 A / 80 V DC 35 A / 125 V AC 50-60 Hz; cos ϕ = 1.0 50 A / 80 V DC OrderNumber WebSite Europe Tel: +49 2302 662-107 www.wickmanngroup.com E-mail: [email protected] Series 420 210 300 270 150 165 130 125 112 110 100 Amp Code Americas Tel: +1 404 699-7820 E-mail: [email protected] 120 270 435 270 380 400 450 512 560 620 Melting Integral 10 x IN min. (A2s) typ. 0.30 0.75 1.60 3.20 5.50 8.50 11.0 21.0 30.0 50.0 Packaging Asia Tel: +852 26 14-1108 E-mail: [email protected] Approvals cURus Limits for Pre-arcing Time 0.39 1.0 2.2 5.0 6.8 11.0 14.5 28.0 40.0 74.0 • • • • • • • • • • 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. 420 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]