▼ Menu

PM4DX

Sensibly equivalent to:
410LF CV1151 CV1152 L410 NR15A NR16A
See also:
The Philips-Mullard (PM) Series - Mullard PM4DX Box - CV1151 short entry - CV1152 short entry
    
Extras ▼

 

The PM4DX triode is a medium impedance design. The envelope has etched into it a 4DX and also the Mullard logo that appeared on the ORA of an aerial-coil-and earth symbol. Additionally the envelope carries a code D208.
The balloon envelope is 43 mm in diameter and, excluding the B4 base pins, is 90 mm tall.
References: 1931 datasheet & 1043. Type PM4DX was first introduced in 1928.

 

Pin Connections
B4
1
2
3
4
a
g1
f
f

 

Absolute Maximum Operating Conditions
Triode
Vh
Ah
Va
Vg
mAa
ra
gm
4.0
0.1
150
-4.5
3.5
7,500
2.0
Thanks to Andy Cowley for supplying the above PDF datasheet.
Updated April 04, 2015.
Return to Main Index