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V ARISTORS This product is not recommended for new designs. Please refer to Littelfuse series AUMLA. Automotive Series SMD Transient Multilayer Ceramic Transient Suppressors Voltage Suppressors for Automotive Applications Features Thin layer, high precise techniques Lead free Bi-directional clamping Available with Nickel/Tin end termination or Specifications Packaging Tape and Reel T 7 inch reel 0603 (4.000 0805-1206 (3.000 1210 (2.000 1812-2220 (1.000 pcs.) pcs.) pcs.) pcs.) Material Body: Terminals: Ceramic (ZnO) Ni/Sn plated (code "P") Applications Dimensions a Temperature Operating Temperature -55 to +125C Circuit board and Devices Protection of Automotive * Airbag control * Wiper motors * Direct ignition * Engine control * Sensors Solderability acc. to IEC 60068-2-58 235C, 2s 260C, 10 sec. (IEC 60068-2-58) 280C, 5 sec. (IEC 60068-2-58) Soldering Heat Resistance ( Temperature c oefficient ( V) of c lamping v oltage (Vc) @ specified test current <0.01%/C L T W WebLinks Further infos see: www.wickmanngroup.com Further technical infos see technical varistor file: Standards IEC 61000-4-2 MIL-STD-750 www.wickmanngroup.com/download/ techvaristor.pdf Thermal Shock capability per MILSTD-750 Method 1051: -55C to +125C 5 min.@25C, 25 cycles 15 min.@each maximum 1.0 W max. Power Dissipation Maximum Ratings (125C) Type Packaging Specifications (25C) nominal voltage at 1mA (DC) test current V N(DC)min. V N(DC)max. (V) (V) 23.0 23.0 23.0 23.0 23.0 48.5 32.0 32.0 32.0 32.0 32.0 56.0 max. cont. working voltage VM(DC) (V) 18,0 18,0 18,0 18,0 18,0 38,0 load dump energy (10 pulses) WLD (J) 1.0 1.5 3.0 6.0 25.0 30.0 jump start voltage max. (5 min.) V jump (V) 24.5 24.5 24.5 24.5 24.5 50.0 max. clamping voltage at spec. current (8/20s) (V) 40 @ 1.5A 40 @ 1.5A 40 @ 1.5A 40 @ 5A 40 @ 10A 77 @ 10A Vc typ. capacitance at 1MHz C typ. (pF) 500 900 2500 5000 4500 4000 typ. inductance Ltyp. (nH) 1.5 1.8 1.8 2.5 3.0 3.0 WA0805ML180A WA1206ML180A WA1210ML180A WA1812ML180A WA2230ML180A WA2220ML380A Order Information 050915 Qty. OrderNumber Type Terminal Type Terminal Code Packaging WA0805ML180 A P T Americas Tel: +1 404 699-7820 E-mail: service@wickmannusa.com Asia Tel: +852 26 14-1108 E-mail: sales@wickmann.com.hk 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 |
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