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Saturday, May 16, 2015

Power Supply Regulators and MOSFET Transistor

HELLO THERE ...COULD anybody pls help me with a place to get more information on the following components...cant seem to find it anywhere.

W20NB50 W8NB100 found them in a liteon power supply pack for a database supply. i just don't know what they stand for. ...saw on a web page that it is produced by ST micro electronics. i went there but no show ..can somebody pls help?

post by FP



W20NB50 ST Power MOSFET Transistors TO-247 N-Ch 500 Volt 20 Amp
W8NB100 ST Power MOSFET Transistors TO-247 N-Ch 1000 Volt 8 Amp

You  will find equivalents here - NTE Electronics - N-Channel MOSFET Selector

ST’s MOSFETs with a breakdown voltage > 650 V offer low gate charge and low on-resistance down to 0.275 Ω (850 V) in PowerFLAT 8x8 HV packages.

Junction design of a Mosfet

Junction design of a Mosfet

"The source-to-body and drain-to-body junctions are the object of much attention because of three major factors: their design affects the current-voltage (I-V) characteristics of the device, lowering output resistance, and also the speed of the device through the loading effect of the junction capacitances, and finally, the component of stand-by power dissipation due to junction leakage."

Updated - July 2013

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