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Obsolete Part Datasheet DZ71100

mityeltu

Nov 30, 2015
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I am indesperate need of the datasheet to go with the DZ71100 Zener Diode. Does anyone have a copy? I have scoured the internet wihtout any luck.
 

dorke

Jun 20, 2015
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Is this the diode manufacture part number?
Could it be a specific product number?
Please post a picture.
 

mityeltu

Nov 30, 2015
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Is this the diode manufacture part number?
Could it be a specific product number?
Please post a picture.

"DZ71100" is printed on the diode on line 1. Line 2 shows "6J MSC"
Picture attached
 

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dorke

Jun 20, 2015
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It is an ellusive part to find.
Closest I could get was this one.

I would check it under voltage to find out the zener voltage(11V or 7.1V).
Use a DC P.S(start with 12V and then with 15V) put a series resistor to allow about 10-20mA of current and measure the zener voltage.
 
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73's de Edd

Aug 21, 2015
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Sir mityeltu . . . . .


I can’t see those being other than just one watt encased Zener diodes, possibly at some custom 7 volt variant from the normal assigned bracketing values of 6.8-----7.5 VDC Zener thresholds..

How about doing a non destructive testing, using a 24VDC supply and a series current limiting resistor of 1k to its cathode.

That should tickle the unit enough to see what its Zener threshold is being .

If that gives no reading, suspicion that you just might have yourself a special unit on up in the ~70 V region, and use a higher 100VDC and a 10 K resistor to do the same test.

That house number is being a dead end lead, otherwise, but Motorola did use that diode prefix in olden tymes on some of their diodes...

73’s de Edd
 

kellys_eye

Jun 25, 2010
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Is the data requirement as a function of part replacement or so you can use the stock you have for some other purpose?

If it is from existing equipment then the schematic of it in-situ may reveal some information.

If it is from a 'found' (or purchased) bandolier of assorted components then it may well be a transient absorber since (in my personal experience) there seems to be a lot of them about in the surplus market.....
 

mityeltu

Nov 30, 2015
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I work in a component deication lab. This part was sent for testing at 5.5v (according to the customer who purchased them from a clearing house supplier). However, there is no datasheet so I have no idea what breakdown current limit should be to determine pass/fail criteria.

I am led to believe they were manufactured by Microsemi, so i am going to reach out to them today.

Thank you for all the advice/support/help. Wish me luck.
 

mityeltu

Nov 30, 2015
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FOUND IT! Or rather, the new owner sent me a copy. It is an old Honeywell part. I'm posting it here in case others may want/need it.
 

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