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25 pcs
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25 pcs | On Request | 1 | On Request | On Request | 2026-02-25 06:16:38 | On Request | On Request |
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The RCA 2N109 is a historic Germanium PNP Alloy Junction transistor, first introduced in 1955. This device was a workhorse for the electronics industry, widely accepted as an affordable and reliable audio frequency amplifier.
It found extensive use in many early transistor radios from manufacturers like RCA, Emerson, Crosley, and Westinghouse, particularly in audio output circuitry. Notable applications include the Crosley 'Radio Disguised as a Book' series and the Fisher TR1 Transistor Preamp, which utilized multiple 2N109s.
RCA also promoted the 2N109 as a general-purpose, inexpensive device for hobbyists and experimenters. It was manufactured exclusively in a short-leaded version, designed for plug-in socket mounting. The similar 2N217 is the long-leaded variant.
Available in black metal (early) and silver metal (later) case styles, the 2N109 represents a significant component in the early development of transistor technology.
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| 1+ | $0.09 | $0.09 |
Estimated market price range - modelled values for guidance only, not live distributor offers.
The RCA 2N109 is a Germanium PNP Alloy Junction transistor.
The 2N109 transistor was introduced in 1955.
The 2N109 is used for hobbyist/experimenter applications and early commercial audio and radio.
The 2N109 is available in black metal (early) and silver metal (later) case styles.
The transistor size is approximately 3/16" OD x 1/2" H.
The 2N109 features a short-leaded case style for socket mounting and was available in 1960s RCA cardboard packaging with a styrofoam insert.