Groups > sci.electronics.components > #6499

Re: BZX79 vs. BZX55

From	Reinhard Zwirner <reinhard.zwirner@t-online.de>
Newsgroups	sci.electronics.components
Subject	Re: BZX79 vs. BZX55
Date	2022-05-16 22:36 +0200
Message-ID	<jefqv8F1mgpU1@mid.individual.net> (permalink)
References	<m235hbb178.fsf@jschneider.tenreversed> <6ck48h9g8navcs51s2pa2or9dl67vr6bdu@4ax.com>

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legg schrieb:
> On Sun, 15 May 2022 10:21:47 +0100, Jon Schneider
> <jon@jschneider.tenreversed> wrote:
> 
>> What is the difference between BZX79 and BZX55 (and other) series Zener
>> diodes ?
>>
>> I've tried comparing datasheets but cannot find both series from the
>> same manufacturer.
>>
>> Thanks,
>>
>> Jon
> 
> From (1989) Philips:
> 
> BZX79 are available in tolerances of 5, 3, 2 and 1%.

As are BZX55: - Mit engeren Toleranzen lieferbar (Available with
tighter tolerances).

> They also have a lower specified leakage current, at low voltage.
> ( 1/2 to 1/4 of BZX55 ).

I would say it is the other way round - see

<https://www.bilder-hochladen.net/files/big/12b4-144-1a15.jpg>

> No practical difference - suspect mfr locations differed.

Agreed - probably.

Bye,

Reinhard
[not in any way affiliated with one of the manufacturers ;-)]

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Thread

BZX79 vs. BZX55 Jon Schneider <jon@jschneider.tenreversed> - 2022-05-15 10:21 +0100
  Re: BZX79 vs. BZX55 Reinhard Zwirner <reinhard.zwirner@t-online.de> - 2022-05-15 18:42 +0200
  Re: BZX79 vs. BZX55 John Robertson <spam@flippers.com> - 2022-05-15 13:07 -0700
    Re: BZX79 vs. BZX55 Reinhard Zwirner <reinhard.zwirner@t-online.de> - 2022-05-16 00:08 +0200
  Re: BZX79 vs. BZX55 legg <legg@nospam.magma.ca> - 2022-05-16 09:36 -0400
    Re: BZX79 vs. BZX55 Reinhard Zwirner <reinhard.zwirner@t-online.de> - 2022-05-16 22:36 +0200

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