2D21 United Russian NOS (4 in stock)
$ 4.79
4) 2D21=5727 Russian NOS 1970's
(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
Share:
 "Pin It")
&Category=vacuum tube&ImageURL=http://tubeworldexpress.com/cdn/shop/products/2d21russ.jpg?v=1571438924){kind=link}