[sdiy] replacement transistor DB/parametric search

thresholdpeople thresholdpeople at protonmail.com
Fri Apr 16 19:31:55 CEST 2021


Oops, it also seems like Mouser doesn't readily list hfe. I did just check digikey, it's a parameter of their search though.

‐‐‐‐‐‐‐ Original Message ‐‐‐‐‐‐‐

On Friday, April 16th, 2021 at 1:09 PM, Brian Willoughby <brianw at audiobanshee.com> wrote:

> As an exercise, it might be interesting to ask: Who would be motivated to create a comprehensive list that spans all manufacturers across all decades of the semiconductor industry? Most importantly, who would be motivated to keep this list up-to-date at all times?
>
> One thing to look for is that individual manufacturers have incentive to create cross-reference lists for their own products, based on the most popular parts from their competitors. Thus allows their customers to quickly find what they need. The problem is, each manufacturer really only makes this list for their own line of products. They're not going to list competing products that they have no replacement for, and they're not going to list obscure products from competitors, especially defunct manufacturers.
>
> However, if you know the major semiconductor manufacturers then you can visit each of their web sites, looks for these cross-reference guides, and maybe even contact their support if you can't find anything.
>
> Brian Willoughby
>
> On Apr 16, 2021, at 04:50, bbob wrote:
>
> > For repair/replication of old gear, is there a searchable DB for finding replacements for obsolete parts (transistors & diodes, specifically)? And/or, is there a good parametric search tool that allows you to enter semiconductor characteristics and find close matches?
>
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