Quote:
Originally Posted by GrimJosef
It's a vintage carbon film resistor (used to be called 'cracked carbon' and/or labelled 'high stability'), made by Piher. I'm afraid it won't be comfortable at 4W. They certainly made them in 1/2W, 1W and 2W versions and possibly in smaller sizes too. But I don't think any were rated higher than that. I think yours is the 2W size, but I'd need to extract one from storage and measure it to be sure.
Cheers,
GJ
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I think GJ is correct, I have a packet branded "RS" 2W high stability carbon film, which I have just measured.
Crossed with Mike.
John