Electronic Tube & Vacuum Tube Catalog

Showing 2HR8 and all of its variations. Other filters are hidden while viewing variations.

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2HR8
Voltage Pentode Pentode
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Base
E9-1
Socket code
B9A
Electrical Summary
Heater 2.5 V / 600 mA
Plate 300 V / 1 W
Screen 200 V / 0.2 W
Ik max 4 mA
rP 2,500,000 Ω
gm 2 mA/V
μ 38
Sections
1
9 pins - B9A - Small-button Noval 9-contact
Variations:XF86
Pentode designed specifically for transitron circuits in television receivers, with ratings and capacitances tailored to that oscillator/control technique.
Transitron Pentode
Source PDFs (2)
- 1953 Amperex (opens in a new tab)
- 9999 Mixed A 1000 (opens in a new tab)

Electrical Summary

General Summary

2HR8

Voltage Pentode Pentode

Heater	2.5 V / 600 mA
Plate	300 V / 1 W
Screen	200 V / 0.2 W
Ik max	4 mA
rP	2,500,000 Ω
gm	2 mA/V
μ	38

9 pins - B9A - Small-button Noval 9-contact

Variations:XF86

Pentode designed specifically for transitron circuits in television receivers, with ratings and capacitances tailored to that oscillator/control technique.

Transitron Pentode

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