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Re: LF: Re: rectifiers

To: <[email protected]>
Subject: Re: LF: Re: rectifiers
From: "mal hamilton" <[email protected]>
Date: Fri, 23 Jan 2009 20:56:24 -0000
References: <002e01c97d73$3576f7f0$0301a8c0@mal769a60aa920> <006501c97d7b$3b80b570$0301a8c0@mal769a60aa920> <[email protected]>
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Andy
Have you used these diodes in a linear psu
mal/g3kev

----- Original Message ----- From: "Andy Talbot" <[email protected]>
To: <[email protected]>
Sent: Friday, January 23, 2009 6:29 PM
Subject: Re: LF: Re: rectifiers


Quite likely Schottky diodes.   Much lower forward voltage drop -
typical 0.15 to 0.3V at rated current, and OK for fasr SMPSUs.
Reverse leakage can be very high.


Andy  G4JNT
www.g4jnt.com



2009/1/23 mal hamilton <[email protected]>:
MF/LF
For interest, nearly every diode that I have tested varies one from another even a matched batch. I suppose normally constructers just grab the required number for a project and start soldering. Perhaps its not that important as
long as they are conducting in one direction and offer some resistance in
the reverse direction.
mal/g3kev


----- Original Message -----
From: mal hamilton
To: rsgb
Sent: Friday, January 23, 2009 3:56 PM
Subject: LF: rectifiers
I have found some rectifiers MBR 6045 and although these would do the job, I
notice the FORWARD/REVERSE resistance is a lot lower than normal silicon
high curent rectifiers.
de mal/g3kev




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