Description
UAF42=12S7 Philips Miniwatt by Mullard UK NOS 1961 (2 in stock)
2) UAF42=12S7 Philips Miniwatt by Mullard UK NOS 1961
The UAF42 is an early all glass valve introduced in 1948 together with the EAF42 and consists of a single diode and a variable μ RF amplifier pentode in a single envelope.
12.6Vfil