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2D21 US Brands NOS (11 in stock)

2D21 US Brands NOS (11 in stock)

$ 5.99

2D21=5727 US Brands NOS:

4) GE

3) RCA

2) Sylvania

4) GE branded WL-2D21 Westinghouse

1) Tungsol

1) Dumont by GE

 

(2D21 is a miniature 2050, Vfil=6.3V @ 600ma, 1.3Kv PIV, 100ma max)
(USES: delay, grid-controlled rectifier, pulse-modulator use, also broadband
noise generator, developed in 1944) (argon gas)

See more: vacuum tube
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