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Groups > sci.electronics.components > #6070 > unrolled thread
| Started by | Spare Change <noncompliant@notcompliant.zgq> |
|---|---|
| First post | 2017-02-06 12:25 -0800 |
| Last post | 2017-02-07 21:39 +0100 |
| Articles | 3 — 3 participants |
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Finding 100A TVS diode? Spare Change <noncompliant@notcompliant.zgq> - 2017-02-06 12:25 -0800
Re: Finding 100A TVS diode? Winfield Hill <hill@rowland.harvard.edu> - 2017-02-06 12:47 -0800
Re: Finding 100A TVS diode? Klaus Bahner <Klaus.Bahner@ieee.org> - 2017-02-07 21:39 +0100
| From | Spare Change <noncompliant@notcompliant.zgq> |
|---|---|
| Date | 2017-02-06 12:25 -0800 |
| Subject | Finding 100A TVS diode? |
| Message-ID | <0001HW.1E49134E0006266F70000B8733BF@news.eternal-september.org> |
BZW6-26, 26v TVS unidirectional diode, through-hole, obsolete, n/a. The original datasheet says that the 600W peak pulse power is measured over 10/1000 uS waveform, but the 100A forward surge current is spec’d over 1/2 cycle of 60 Hz sine: http://diotec.com/tl_files/diotec/files/pdf/datasheets/bzw065v8 All replacements I see, the surge current is nowhere near 100A or is spec’d at 10/1000 uS waveform. Surely the original isn’t all that unique a part...? Anyone know of a direct replacement? Thanks, Dave
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| From | Winfield Hill <hill@rowland.harvard.edu> |
|---|---|
| Date | 2017-02-06 12:47 -0800 |
| Message-ID | <o7ancg02emj@drn.newsguy.com> |
| In reply to | #6070 |
Spare Change wrote...
>
>BZW6-26, 26v TVS unidirectional diode, through-hole, obsolete, n/a.
>
>The original datasheet says that the 600W peak pulse power is measured over
>10/1000 uS waveform, but the 100A forward surge current is spec’d over 1/2
>cycle of 60 Hz sine:
>
>http://diotec.com/tl_files/diotec/files/pdf/datasheets/bzw065v8
>
>All replacements I see, the surge current is nowhere near 100A or is spec’d
>at 10/1000 uS waveform.
>
>Surely the original isn’t all that unique a part...? Anyone know of a
>direct replacement?
Fagor (my TVS favorite) uses the same spec. So
does ST. Try the -28 version for distributor
inventory. Fagor's slightly larger 5kp version,
8.7 x 9 mm, is rated for 500A surge. There are
larger ones available.
--
Thanks,
- Win
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| From | Klaus Bahner <Klaus.Bahner@ieee.org> |
|---|---|
| Date | 2017-02-07 21:39 +0100 |
| Message-ID | <o7db6q$187$1@dont-email.me> |
| In reply to | #6070 |
On 06-02-2017 21:25, Spare Change wrote: > BZW6-26, 26v TVS unidirectional diode, through-hole, obsolete, n/a. It's not shown as obsolete by Diotec. They claim distributor stock of several thousand in PL, DE and SK. > > The original datasheet says that the 600W peak pulse power is measured over > 10/1000 uS waveform, but the 100A forward surge current is spec’d over 1/2 > cycle of 60 Hz sine: > > http://diotec.com/tl_files/diotec/files/pdf/datasheets/bzw065v8 > > All replacements I see, the surge current is nowhere near 100A or is spec’d > at 10/1000 uS waveform. P6KE-30A from ST is a direct replacement, with exactly the same specifications. Klaus >
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