▼ Menu

CV1056

Sensibly equivalent to:
CV358 EF36 NR49 OM5 VR56
See also:
Evolution from EF36 & EF37 to EF37A - Stabilized Power Supplies
    
Extras ▼

 

The CV1056 (commercially the EF36) is an RF and IF pentode. The old service name was the VR56.
The reverse is plain metallic paint.
The classic envelope is 30 mm in diameter and, excluding the IO base pins, is 85 mm tall.
Reference: Data-sheet.

 

Pin Connections
IO
1
2
3
4
5
6
7
8
tc
m
h
a
g2
g3
nc
h
k
g1

 

Absolute Maximum Operating Conditions
Pentode
Vh
Ah
Va
Vs
Vg
mAa
mAs
ra
gm
6.3
0.2
250
100
-2
3
0.8
2.5M
1.8
Thanks to Frank Philipse for supplying the above PDF datasheet.
Updated May 20, 2025.
Return to Main Index