Print Page - 1n5239 substitute for amz mosfet boost?

Title: 1n5239 substitute for amz mosfet boost?
Post by: nag hammadi on February 01, 2008, 10:20:25 PM

does anyone know of a sub for the 1n5239? i have a bunch of other diodes....

can they be combined to get other values like resistors can?

Title: Re: 1n5239 substitute for amz mosfet boost?
Post by: PerroGrande on February 01, 2008, 10:25:59 PM

Any 9.1v Zener with .5W or better dissipation should do the trick.

1N960B
BZX85C9V1
BZX55C9V1
1N757A
1N4739A

Also -- the mosfet boost will operate without the diode. It is just there to protect the mosfet.

Title: Re: 1n5239 substitute for amz mosfet boost?
Post by: Sack Puppet on February 01, 2008, 11:02:32 PM

You can put many things in there to protect the mosfet.

I have a shipload of 5.1V zeners and usually put two in a similar circuit back-to-back.

I have seen a schematic for a certain pedal which uses 1N4148s between gate and rail then gate and gound - not the best circuit design mind as it had the zener too.

S.

Title: Re: 1n5239 substitute for amz mosfet boost?
Post by: snoof on February 02, 2008, 05:17:59 PM

LED's can be used as well.

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DIY Stompboxes => Building your own stompbox => Topic started by: nag hammadi on February 01, 2008, 10:20:25 PM