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12-02-2022, 10:56 AM
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#1 |
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New Member
Join Date: May 2021
City & State: Riley
My Country: USA
Line Voltage: 120VAC 60Hz
I'm a: Knowledge Seeker
Posts: 9
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HML1225 Thyristor replacement
Hello again folks!
Need some help finding a suitable replacement for a couple HML1224 thyristor's. These aren't manufactured any longer and the only comparable replacement I can find on Digikey is a MCR100-5 A1G.. and wouldn't you know it.. that one is no longer made either. This is for a vintage Christmas light chaser function box. |
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12-02-2022, 11:16 AM
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#2 |
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Great Sage 齊天大聖
Join Date: Dec 2009
City & State: Europe
My Country: some shithole run by Israeli agents
I'm a: Professional Tech
Posts: 28,106
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Re: HML1225 Thyristor replacement
got a datasheet for it?
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12-02-2022, 11:21 AM
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#3 |
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New Member
Join Date: May 2021
City & State: Riley
My Country: USA
Line Voltage: 120VAC 60Hz
I'm a: Knowledge Seeker
Posts: 9
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Re: HML1225 Thyristor replacement
Sure do!
https://pdf1.alldatasheet.com/datash...C/HXL1225.html That's what I was trying to go by, but I can't find anything closely comparable. At least not in my limited knowledge. |
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12-02-2022, 08:18 PM
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#4 |
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Leaking Member
Join Date: Dec 2014
City & State: Atlantic Canada
My Country: Canada
Line Voltage: Ground, 0Hz
I'm a: Hobbyist Tech
Posts: 5,558
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Re: HML1225 Thyristor replacement
Try Mouser.
Mouser #: 610-BRX49-PB Mouser #: 610-CS92D-TL |
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12-03-2022, 08:52 AM
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#5 |
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New Member
Join Date: May 2021
City & State: Riley
My Country: USA
Line Voltage: 120VAC 60Hz
I'm a: Knowledge Seeker
Posts: 9
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Re: HML1225 Thyristor replacement
Well, I was hoping to find one that was in stock so I could get them working this year, but I guess with something of this age I can't be super picky!
Thanks for finding those CapLeaker  |
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12-03-2022, 10:42 AM
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#6 |
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Great Sage 齊天大聖
Join Date: Dec 2009
City & State: Europe
My Country: some shithole run by Israeli agents
I'm a: Professional Tech
Posts: 28,106
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Re: HML1225 Thyristor replacement
try a triac
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12-03-2022, 03:19 PM
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#7 |
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Badcaps Veteran
Join Date: Jun 2012
City & State: ☻
My Country: Canada
I'm a: Professional Tech
Posts: 8,753
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Re: HML1225 Thyristor replacement
Digikey P0102DA 5AL3 ?
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12-03-2022, 08:34 PM
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#8 |
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Badcaps Veteran
Join Date: Dec 2010
City & State: Alberta
My Country: Canada
Posts: 2,983
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Re: HML1225 Thyristor replacement
I would not use a triac because I have found one of these was multiplexed using the two line sine-wave polarities. Just to get more (colours to control) out of the few wires in the string I guess. They really need to have a fuse in these as well. The one I had gave me the creeps with the skinny wire and messy PCB with no clearances.
BT149G 600V 0.8A KGA pinout or BT169. Littelfuse seems to have different pinout. |
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12-04-2022, 05:03 PM
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#9 |
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New Member
Join Date: May 2021
City & State: Riley
My Country: USA
Line Voltage: 120VAC 60Hz
I'm a: Knowledge Seeker
Posts: 9
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Re: HML1225 Thyristor replacement
Thank you redwire!
 Those all are in stock and look to be right what I was after. kudos!Last edited by mediaman083; 12-04-2022 at 05:07 PM.. |
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