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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)
Ships within 48 hours · Estimated delivery Jul 27 - Aug 1
US$40
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