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HL607

 
    
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The Mazda HL607 is a general purpose triode designed to work with a six volt accumulator as the filament supply.
The pinch and electrodes. Thre filament supports show that the filament had four strands passing through the grid.
The lettering on the dome is very feint and this image has been enhanced.
The balloon envelope is 45 mm in diameter, and excluding the B4 base pins is 101 mm tall.
Reference: 1043. Type HL607 was first introduced in 1929.

 

Pin Connections
B4
1
2
3
4
a
g1
f
f

 

Absolute Maximum Operating Conditions
Triode
Vh
Ah
Va
Vg
mAa
ra
gm
6.0
0.3
150
-3.0
1.6
20,000
1.0
Updated August 05, 2015.
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