▼ Menu

302THA

Sensibly equivalent to:
C368 TH30C
    
Extras ▼

 

The 302THA is a triode hexode frequency changer with a 200 mA heater for series heater chains in universal or AC/DC mains sets.
The reverse is plain zinc paint.
The control grid connects to the top cap. Within the top screen alone is visible.
The classic envelope is 44 mm in diameter and, excluding the B7 base pins, is 114 mm tall.
Reference: 1043. Type 302THA was first introduced in 1940.

 

Pin Connections
B7
1
2
3
4
5
6
7
tc
a(t)
g1(t),g3
g2,g4
h
h
m,k
a
g1

 

Absolute Maximum Operating Conditions
Hexode
Vh
Ah
Va
Vs
Vg
mAa
mAs
gm
29.0
0.2
250
100
-2.0
3.5
5.5
0.85

 

Absolute Maximum Operating Conditions
Triode
Va
mAa
100
22.0
Updated March 02, 2018.
shape:classic construction:pinch type:triode.hexode age:1930.1940 base:b7 heater:200ma pins:7 pin:1.a(t) pin:2.g1(t).g3 pin:3.g2.g4 pin:4.h pin:5.h pin:6.m.k pin:7.a pin:tc.g1
Return to Main Index