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7D431K Datasheet(PDF) 4 Page - World Produts Inc. |
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7D431K Datasheet(HTML) 4 Page - World Produts Inc. |
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4 / 65 page  Metal Oxide VaristOrs WORLD PRODUCTS INC. 19654 Eighth Street East, Sonoma, CA 95476 | Phone (707) 996-5201 | Fax (707) 996-3380 | www.worldproducts.com Rev. 9.9 2 | Metal Oxide Varistors Features • Our Metal Oxide Varistors have UL, CSA and VDE approvals . VDE approvals are in conjunction with IEC61051-2 . Plus specific types comply with Accelerated Aging Test Requirements per ANSI/ IEEE C62 .11 . The factory is ISO and TS16949 certified . Taped Parts conform to EIA standards . All electrical specifications are to industry standards with definitions conforming to IEEE specifications . Solderability to MIL STD . Epoxy flammability rating of 94V0 . • RoHS Compliance - Metal Oxide Varistors utilizing suffix (-N) denoting RoHS compliant types for disk sizes 05, 07, 10,14, 18, 20, 25, 32, 34, 40, and 53 purchased from World Products, LLC comply with RoHS Directive 2002/95/EC of the European Parliament and of the Council of 27 January 2003 on the restriction of the use of certain hazardous substances in electrical and electronic equipment . Our metal oxide varistors contain a maximum concentration value of 0 .1% by weight in homogeneous materials for lead, mercury, hexavalent chromium, polybrominated biphenyls (PBB) and polybrominated diphenyl ethers (PBDE) and of 0 .01% weight in homogeneous materials for cadmium . See Part Number System for more details . • Product consistency is maintained through extremely stringent quality and statistical control . On-line automatic test equipment provides 100% inspection . • Extensive selection of equivalents to essentially all metal oxide varistor types . All specifications available for proper accurate design-in purposes . • Extremely low leakage current levels achieved and exceptional surge handling capability through proprietary formulations . • Epoxy conformity and control providing for consistent physical dimensions and improved solderability. • Varistor product design flexibility and quick design cycles in order to assist our customers with their most stringent varistor applications . Definition of Terms (according to IEEE specifications C62.33) Average Power Dissipation: Tested using two consecutive pulses at rated peak current using a 10/1000µs test waveform with a minimum pulse period of 60 seconds between pulses (IEC 61000-4-5) . Rated RMS Voltage, Rated DC Voltage: The maximum designated values of power system voltage that may be applied continuously between the terminals of a device . Varistor Voltage: Test characteristic that is used to classify varistors by type . A test current of 1mA DC is typically used to determine varistor voltage classification type . Varistor voltage clamping characteristics can be defined at various test levels . Rated Peak Single Pulse Transient Current: Maximum surge current, 8/20μs waveform which a varistor is rated to withstand for a single surge . Rated Single Pulse Transient Energy: Maximum allowable energy for a single impulse (see specified waveforms) . Maximum Clamping Voltage: Measured peak voltage across the device terminals when a current impulse of specified amplitude and waveform is conducted through the varistor. Typical Capacitance: Typical capacitance values are measured at a test frequency of 1KHZ . Power Dissipation Ratings Disk Size Pm-watts Disk Size Pm-watts 5mm ( < 50 VAC ) 0 .01 20mm ( < 50 VAC ) 0 .20 5mm ( ≥ 50 VAC ) 0 .20 20mm ( ≥ 50 VAC ) 1 .00 7mm ( < 50 VAC ) 0 .02 25mm 1 .20 7mm ( ≥ 50 VAC ) 0 .25 32mm 1 .60 10mm ( < 50 VAC ) 0 .05 34mm (Single) 2 .10 10mm ( ≥ 50 VAC ) 0 .40 34mm (Dual) 2 .73 14mm ( < 50 VAC ) 0 .10 40mm 2 .10 14mm ( ≥ 50 VAC ) 0 .60 53mm 2 .50 PA NY • SOCIÉT ISO 9002 SGS |
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