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| MOUNT FUSES SURFACE MOUNT FUSES This product is not recommended for new designs. Please refer to Littelfuse No. 452. No. 420 SM V, UL 248-14, 125 V, T T ime-Current Time Lag (T) Specifications Packaging 000: Blister tape 18 cm reel (1000 pcs.) 001: Blister tape 33 cm reel (5000 pcs.) Tape width 12 mm Housing: Element: Terminals: Ceramic Wire Copper alloy, silver plated Characteristic Standard UL 248-14 CSA C22.2 No. 248.14 cULus Recognized Materials Approvals Features Dimensions (mm) 6,1 -0,2 max. 2,77 Temperature Operating Temperature Climatic Category Stock Conditions 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 -55 C to +125 C (consider de-rating) -55 C/+125 C/21 days (IEC 60068-1,-2-1,-2-2,-2-78) +10C to +60C relative humidity 75 % yearly average, without dew, maximum value for 30 days-95 % 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 235 C, 3 s (IEC 60068-2-58) 260 C, 10 s (IEC 60068-2-58) WebLinks Further infos see: www.wickmanngroup.com V ibration Resistance 1,45 -0,2 1,45 -0,2 Further application infos see Fuseology: Pad Layout 3,0 3,15 +0,05 www.wickmanngroup.com/download/ fuseology.pdf Solderability Soldering Heat Resistance Minimum Cross Section, Copper Conducting path - 0.175 mm 2 Thickness - 0.035 mm Mounting Marking 1,96 +0,05 1,96 +0,05 Avoid circuit traces below the fuse T, Current Rating 0.23g (approx.) Weight Unit Weight Limits for Pre-arcing Time Rated Current 500 mA ... 5.00 A 2.0 x IN 1 s ... 60 s 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 50 A / 125 V AC 50-60Hz cos = 1.0 50 A / 80 V DC 35 A / 125 V AC 50-60 Hz; cos = 1.0 50 A / 80 V DC 210 300 270 150 165 130 125 112 110 100 120 270 435 270 380 400 450 512 560 620 0.30 0.75 1.60 3.20 5.50 8.50 11.0 21.0 30.0 50.0 0.39 1.0 2.2 5.0 6.8 11.0 14.5 28.0 40.0 74.0 Order Information 050912 Qty. OrderNumber Series 420 Amp Code Packaging Specifications are subject to change without notice China Tel: +86 21 6432 5146 E-mail: sales@wickmann.cn WebSite Europe Tel: +49 2302 662-107 www.wickmanngroup.com E-mail: sales@wickmann.com Americas Tel: +1 404 699-7820 E-mail: service@wickmannusa.com Asia Tel: +852 26 14-1108 E-mail: sales@wickmann.com.hk cURus Permissible continuous operating current is 70% at ambient temperature of 23C (73.4F). Rated Amp Voltage Breaking Voltage Drop Power Dissipation Current code Rating Capacity 1.0 x IN 1.0 x IN typ. (mV) typ. (mW) Melting Integral 10 x IN min. (A2s) typ. Approvals * * * * * * * * * * MOUNT FUSES SURFACE MOUNT FUSES No. 420 I-t Characteristics (Min-Max Limit) Time (sec.) 050912 WebSite Europe Tel: +49 2302 662-107 www.wickmanngroup.com E-mail: sales@wickmann.com 00 0,0 10 0 ,00 10 00 1,0 0 10 10 1 0.1 0.0 1 01 0.0 UL 248-14 Test value 1 1.5 2 3 4 5 6 7 8 9 10 15 I Fault / I Rated Contact WICKMANN for individual I-t curves Americas Tel: +1 404 699-7820 E-mail: service@wickmannusa.com Asia Tel: +852 26 14-1108 E-mail: sales@wickmann.com.hk China Tel: +86 21 6432 5146 E-mail: sales@wickmann.cn |
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