General > General Technical Chat

What's this please? (Component Advice)

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HwAoRrDk:
Actually, I found it. It's a Diodes Inc SMAJ24CA 24V bidirectional TVS diode. The marking is 'UZ'.

Majorstrain:

--- Quote from: HwAoRrDk on August 10, 2023, 06:23:00 am ---Actually, I found it. It's a Diodes Inc SMAJ24CA 24V bidirectional TVS diode. The marking is 'UZ'.

--- End quote ---

Thanks heaps.  The 24V would make sense, the supply is 24 volts.

Cheers,
Phil

tohtorizorro:
What might this be?
It was found inside a Pioneer SA-9800 stereo amp, supposedly serving some sort of DIY modification purpose.
The photos show only 3 wires but allegedly a fourth one had come off.

Andy Watson:
A thermally operated relay. Probably functioning as a time-delay, although it could be sensing power.

Mr.B:

--- Quote from: Andy Watson on October 12, 2023, 11:38:58 pm ---A thermally operated relay. Probably functioning as a time-delay, although it could be sensing power.

--- End quote ---

Perhaps speaker de-thump at power up?

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