▼ Menu

HR210

Sensibly equivalent to:
PM1HL
    
Extras ▼

 

The Tungsram HR210 is a battery triode and is equivalent to the Mullard PM1HL etc. These very popular valves were used as detectors.
Our other HR210 is encapsulated within a classic envelope and coated with a gold coloured external Zinc metallic paint.
The base and split pins.
The balloon envelope is 42 mm in diameter, and excluding the B4 base pins is 82 mm tall.
References: Datasheet & 1043. Type HR210 was first introduced in 1933.

 

Pin Connections
B4
1
2
3
4
a
g1
f
f

 

Absolute Maximum Operating Conditions
Triode
Vh
Ah
Va
Vg
mAa
ra
gm
2.0
0.1
135
-1.5
2.2
21,500
1.4
PDF scanned from an original document held by the museum
Updated February 09, 2013.
Return to Main Index