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I know eBay lists 2SC1971 transistors but most are probably fakes, and taking 3 weeks or so to discover whether it is a fake does not enthuse me.
What I am wanting to buy is a "real" new 2SC1971 device, a 175MHz TO220 device as used as a pre-driver in some Icom transceivers.
The direct equivalent is an NTE342 and that would suffice.
I am awaiting a reply from Icom re price and availability, but in the meantime, have any Forum members got one to spare (P&A please) ??
Doug VK4ADC
GOT ONE - THANKS FOR READING !!!
Doug VK4ADC @ QG62LG51
http://www.vk4adc.com
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I found Eleflow during my web searches and had a look at their offering earlier. There is always a chance that someone in VK has one that they bought as a spare for a long-defunct radio. If I had to, I would accept a "pull" from a non-working Icom.
The device has to be a TO220 to be able to effect a repair in the Icom device and there isn't room to play with alternatives. I can't go too far off the characteristics of the original either as it is running in linear mode rather than Class C.
Anyone else got suggestions - or the device itself?
Doug VK4ADC @ QG62LG51
http://www.vk4adc.com
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(07-02-2018, 05:36 PM)VK4ADC Wrote: I found Eleflow during my web searches and had a look at their offering earlier. There is always a chance that someone in VK has one that they bought as a spare for a long-defunct radio. If I had to, I would accept a "pull" from a non-working Icom.
The device has to be a TO220 to be able to effect a repair in the Icom device and there isn't room to play with alternatives. I can't go too far off the characteristics of the original either as it is running in linear mode rather than Class C.
Anyone else got suggestions - or the device itself?
Sorry old man not want you want....
But Interesting to look into my transistor collection [first time for many years] and found a MRF237 [TO5] final for a kenwood TR2200 portable 2 metre rig, not what you want ...
Also found 2SC2290 and MRF 422 matched pair finals for HF rigs from way back.
MRF492 finals matched pair [6 metre amp finals?]
MRF 455 finals
2N5245 RF jfet i think
and 3SK121
Amazing what you find when prompted hi
cheers and thank you for the forum
vk6ro
e&oe
Posts: 1,289
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"
Also found 2SC2290 and MRF 422 matched pair finals for HF rigs from way back.
MRF492 finals matched pair [6 metre amp finals?]
MRF 455 finals
"
I think you need to work out what $$$ you want for those devices as you may get some enquiries from people chasing them - that is if you don't need to keep them as spares because the original radios have 'moved on'.
Doesn't help me but you
have "advertised" them in the right place
Doug VK4ADC @ QG62LG51
http://www.vk4adc.com
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