V ARISTORS TVS 1812 SMD Multilayer Ceramic TTransient ransient This product is not recommended Voltage Suppressor for new designs. Please refer to Standard Capacity Littelfuse series MLA. Thin layer, high precise techniques Lead free Bi-directional clamping Standard and low capacity Available with Nickel/Tin end termination acc. to IEC 60068-2-58 235°C, 2s Soldering Heat Resistance 260ºC, 10 sec. (IEC 60068-2-58) 280ºC, 5 sec. (IEC 60068-2-58) Response TTime ime <0.5ns Temperature coefficient ((α αV) of clamping voltage (Vc) @ specified test current <0.01%/°C Further infos see: www.wickmanngroup.com Power dissipation 0.3W max. Further technical infos see technical varistor file: www.wickmanngroup.com/download/ techvaristor.pdf 3.20–0.30 Standards IEC 61000-4-2 MIL-STD-883C Specifications (25°C) Maximum Ratings (125°C) Type WT1812ML050A WT1812ML090A WT1812ML120A WT1812ML140A WT1812ML180A WT1812ML220A WT1812ML260A WT1812ML300A WT1812ML380A WT1812ML450A WT1812ML560A WT1812ML680A WT1812ML850A Order Information 050915 max. cont. working voltage max. non-repetitive surge current (8/20 µs) VM(DC) VM(AC) (V) (V) ITM (A) 5,5 9,0 12,0 14,0 18,0 22,0 26,0 30,0 38,0 45,0 56,0 68,0 85,0 4,0 6,0 9,0 11,0 14,0 17,0 20,0 25,0 30,0 35,0 40,0 50,0 60,0 Qty. 500 500 800 800 800 800 800 800 800 800 500 400 400 OrderNumber WebSite Europe Tel: +49 2302 662-107 www.wickmanngroup.com E-mail: [email protected] Ceramic (ZnO) Ni/Sn plated (code “P”) Ag/Pt/Pd non plated (code “N” on request) -55 to +125°C WebLinks 1.80 Material Solderability Circuit board and ESD, EFT Protection of: • I/O ports • Keyboards • LCD‘s • Sensors 4.50–0.35 Tape and Reel T 7 inch reel (1.000 pcs.) Operating TTemperature emperature Applications 0.50–0.25 Packaging Body: Terminals: Features Dimensions (mm) Specifications typ. capacitance max. non-repetitive max. clamping nominal voltage surge energy voltage at spec. at 1mA (DC) (10/1000 µs) current test current (8/20 µs) Vc W TM VN(DC)min. V N(DC)max. (V@A) (J) (V) (V) 1KHz C typ. (pF) 1MHz C typ. (pF) Ltyp. (nH) 15,5 @ 10 25,0 @ 10 30,0 @ 10 33,0 @ 10 38,0 @ 10 44,0 @ 10 54,0 @ 10 65,0 @ 10 77,0 @ 10 90,0 @ 10 110,0 @ 10 135,0 @ 10 165,0 @ 10 12900 7100 6500 4410 4000 3670 2670 2320 1960 1370 950 590 530 11200 6070 5260 3940 3500 2990 2320 1890 1680 1150 730 500 450 2,5 2,5 2,5 2,5 2,5 2,5 2,5 2,5 2,5 2,5 2,5 2,5 2,5 0,8 1,0 1,8 2,0 2,3 2,5 3,0 3,6 4,2 4,5 4,8 4,5 5,8 TType ype WT1812ML140 A 7,1 10,0 14,0 16,0 22,0 24,3 29,5 35,0 42,3 50,0 61,2 74,0 91,0 9,8 14,5 18,5 21,0 28,0 30,0 38,0 43,0 51,7 61,0 74,0 90,0 115,0 TTerminal erminal Code Packaging Americas Tel: +1 404 699-7820 E-mail: [email protected] P T Asia Tel: +852 26 14-1108 E-mail: [email protected] typ. inductance Specifications are subject to change without notice China Tel: +86 21 6432 5146 E-mail: [email protected] V ARISTORS TVS 1812 SMD 85,0 68,0 45,0 30,0 22,0 14,0 56,0 38,0 26,0 18,0 12,0 68,0 45,0 30,0 22,0 14,0 9,0 85,0 56,0 38,0 26,0 18,0 12,0 WT1812ML850A WT1812ML680A WT1812ML560A WT1812ML450A WT1812ML380A WT1812ML300A WT1812ML260A WT1812ML220A WT1812ML180A WT1812ML140A WT1812ML120A WT1812ML090A WT1812ML050A 5,5 9,0 5,5 V/I Characteristics Maximum Surge Current: WT1812ML050A - WT1812ML090A, WT1812ML560A 050915 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] VARISTORS TVS 1812 SMD Maximum Surge Current: WT1812ML120A - WT1812ML450A Maximum Surge Current: WT1812ML680A - WT1812ML850A 050915 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]