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BZX79 vs. BZX55

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

Reply to
Jon Schneider
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Jon Schneider schrieb:

Wild guess: Just the manufacturer who wants to avoid that customers having tested and thereafter implemented diodes out of his series could switch without problems to same named types fom manufacturer B?

Bye

Reinhard

Reply to
Reinhard Zwirner

Possibly the case material? Some are glass, others are plastic...

My 1975 Motorola book says the BZX79 series are glass. I don't have a reference book that covers the BZX55 series though.

John :-#)#

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Reply to
John Robertson

TELEFUNKEN electronic

1985 Data Book

BZX55

CASE: JEDEC DO35

HTH

Reinhard

Reply to
Reinhard Zwirner

From (1989) Philips:

BZX79 are available in tolerances of 5, 3, 2 and 1%. They also have a lower specified leakage current, at low voltage. ( 1/2 to 1/4 of BZX55 ).

No practical difference - suspect mfr locations differed.

RL

Reply to
legg

legg schrieb:

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

I would say it is the other way round - see

Agreed - probably.

Bye,

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

Reply to
Reinhard Zwirner

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