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FMMT491 数据表(PDF) 2 Page - Diodes Incorporated |
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FMMT491 数据表(HTML) 2 Page - Diodes Incorporated |
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2 / 8 page ![]() FMMT491 Issue 5 - November 2007 2 www.zetex.com © Zetex Semiconductors plc 2007 Absolute maximum ratings Thermal resistance NOTES: (a) For a device surface mounted on 25mm x 25mm x 1.6mm FR4 PCB with high coverage of single sided 1oz copper, in still air conditions. Parameter Symbol Limit Unit Collector-base voltage VCBO 80 V Collector-emitter voltage VCE0 60 V Emitter-base voltage VEBO 7V Continuous collector current(a) IC 1A Peak pulse current ICM 2A Power dissipation at TA =25°C(a) PD 500 mW Linear derating factor 4 mW/ °C Operating and storage temperature range Tj, Tstg -55 to 150 °C Parameter Symbol Value Unit Junction to ambient(a) R JA 250 °C/W |
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