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Re: [Amps] 4Z4RB HF pallet information

Subject: Re: [Amps] 4Z4RB HF pallet information
From: Steve Thompson <>
Date: Tue, 17 Mar 2015 08:19:48 +0000
List-post: <">>
Is SFR a typo? SRF is a prefix used by Motorola for custom parts. I don't know if Freescale use it for their new generation FETs, or whether M/A Com carried on using it for the legacy line they took over.

What shape and size are the transistors, how many in each circuit?


I have bought from an Australian ham pair of assembled 4Z4RB pallets  with
SFR 1930Q Fets

I cannot find any information on the boards or the fets (datasheet)

Have searched web to no avail

Any help very appreciated



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