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ZTX558 and ZTX458 Transistors Equivalent

Posted by: chinmay on

Hi,

I am referring to DI-152 Design Idea (3 W, Ultra-Wide Range Input Power Supply for Industrial Controls, 18 - 265 V AC/DC )

In the Design Idea ZTX558 and ZTX458 transistors are used but I am unable to get these transistors.

Could any one please suggest me alternative to these transistors.

Looking forward for support.

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di152_0.pdf 163.94 KB

Comments

Submitted by PI-Spock on 09/18/2009

You can go through digikey catalog. Look for any 400 V, 200 mA or 300 mA BJT in a TO92 package. Looks for a BJT with "hfe" of greater than 50 at least.