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4689 Pinout
No information available

 

4689 Substitutes

No information available

4689 Ratings

No information available

4689 Application Data

No information available

4689 Data sheet links
oldradio.qrz.ru 4689: Brans Vademecum
Frank Philipse (Wildcat mirror - Jörg Jan Münter) 4689: 4689.pdf (152956 bytes), 4689.pdf (30962 bytes)

Bold designators are close or identical, Italic designators are different ratings, different pinouts or different filament voltages. Please see the substitutes at the top of the page for more details

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