MLV1812E3 www.vishay.com Vishay BCcomponents SMD 1812 Multilayer Varistor FEATURES Surface mount multilayer surge suppressor Inherent bidirectional clamping Excellent energy/volume ratio Suitable for reflow soldering Material categorization: for definitions of compliance please see www.vishay.com/doc 99912 APPLICATIONS Over-voltage and transient voltage protection: Data lines and I/O port protection Protection against ESD transients On-board protection of ICs and transistors QUICK REFERENCE DATA Modem protection PARAMETER VALUE UNIT LCD protection Maximum continuous voltage DESCRIPTION DC 18.0 to 38.0 V AC 14.0 to 30.0 V Size 1812 (M4532) multilayer chip varistor with NiSn terminations. Maximum clamping voltage 48.0 to 88.0 V at 5 A PACKAGING Capacitance range 2000 to 4500 pF (at 1 kHz) Available in 12 mm embossed carrier tape, component pitch Maximum energy 8 mm on 180 mm reels containing 1000 pieces. 2.3 to 4.2 J (10/1000 s) Maximum peak current 800 A (8/20 s) Operating temperature range -55 to 85 C Weight 0.115 g ELECTRICAL DATA AND ORDERING INFORMATION BREAKDOWN CLAMPING MAX. PEAK MAXIMUM WORKING VOLTAGE CAPACITANCE PART NUMBER VOLTAGE VOLTAGE CURRENT ENERGY V V V V I E CSAP RMS DC b C p t V V V V A J pF MLV1812E3 < 50 A 1 mA 5 A, 8/20 s 8/20 s 10/1000 s 1 kHz 14.0 18.0 21.6 to 26.0 48.0 800 2.3 4500 1403T 17.0 22.0 24.3 to 29.7 52.0 800 2.7 4000 1703T 20.0 26.0 31.0 to 38.0 65.0 800 3.0 3000 2003T 25.0 30.0 37.0 to 46.0 78.0 800 3.7 2500 2503T 30.0 38.0 42.3 to 51.7 88.0 800 4.2 2000 3003T Notes Sinusoidal voltage assumed as normal operating condition. If a non-sinusoidal voltage is present, the crest voltage x 0.707 should be used for type selection. Breakdown voltage at a current of 1 mA, measured according to 4.5 of IEC 61051-1. Parts are not recommended for automotive applications. Revision: 30-Apr-15 Document Number: 29128 1 For technical questions, contact: nlr vishay.com THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT www.vishay.com/doc 91000MLV1812E3 www.vishay.com Vishay BCcomponents DIIMENSIONS in millimeters L WT L and L 1 2 3 4.5 0.4 3.2 0.4 2.5 max. 0.8 max. T W L L L 2 4 3 L 1 RECOMMENDED FOOTPRINT in millimeters AB C C 3.4 1.2 5.4 A B V/I CHARACTERISTICS Max. clamping voltage Max. leakage current 030 025 020 017 014 100 10 0.00001 0.0001 0.001 0.01 0.1 1 10 100 1000 CURRENT (A) Revision: 30-Apr-15 Document Number: 29128 2 For technical questions, contact: nlr vishay.com THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT www.vishay.com/doc 91000 VOLTAGE (V)