Products > Test Equipment
53132A bad display
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MaxFrister:
Back when this thread started, it was not possible to buy a replacement VFD for these counters.

A couple of years back I bought a 53132a with a dim display. At the time I was able to buy a new made-in-China display that is working great.

Price varies (I think I paid ~$120).  Currently someone has one listed at ~$80 and lots of people have them listed for $200 plus

https://www.ebay.com/sch/i.html?_from=R40&_nkw=%2853131%2C53181%2C53132%29+vfd&_sacat=0&LH_TitleDesc=0&toolid=20004&mkcid=1&campid=5338192028&kw=53132+vfd&LH_PrefLoc=2&mkrid=711-53200-19255-0&_sop=15
RichardDiag:
Had someone ask me about an issue with a VFD (vacuum fluorescent display) on an HP/Agilent 33120 function generator.  The issue being a dot in the ';' always being on.  This suggested the driver chip, a SN75518FN was likely the issue.  It also seems that several HP/Agilent equipment uses this part.  Finding a replacement SN75518 was not looking good.  After a few hours of searching, I did finally find two parts that appear to be possible replacement parts.  I thought I would relay that info for someone else whom my be looking.

It appears that Microchip HV518 and Analog Devices MAX6934 are compatible parts for the discontinued SN75518; both available from Digikey.  This includes the PLCC package used in the HP/Agilent equipment.

Hopes this helps someone else out there.
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