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Test Electrix 14th August 2010 04:15 PM

Good p-channel substitute for 2N5457 needed
Making a circuit with a positive ground using this schematic here as a starter though the one that would be in uses a positive grounding path so I don't think the N-channel 2N5457 would be suitable, any suggestions for a replacement? Wikipedia says 2N5460 though as they have different characteristics I am unsure.
Any help would be greatly appreciated!

CBS240 15th August 2010 06:33 AM

Goss and Vgs of the 5460 is a bit larger than 5457. Maybe increase bias current or add an extra series diode or two to make the difference?

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