NJ7P Tube Database Search

6HE7
Diode - Pentode

Base & Bulb ( GE - 1973)

Mechanical Data

Bulb .......................................... T-12
Outline ....................................... 12-57
EIA Base ...................................... 12FS

Electrical Data

Heater Voltage ................................ 6.3 V
Heater Current ................................ 2.7 A

Maximum Ratings (Design Center Values)

Pentode
Plate Voltage ................................. 500 V
Grid No. 2 Voltage ............................ 150 V
Plate Dissipation ............................. 10 W
Grid No. 2 Dissipation ........................ 3.5 W

Maximum Ratings (Design Center Values)

Diode
Peak Inverse Plate Voltage .................... 4200 V
Voltage Drop @ Current ........................ 21 V @ 350 mA

Characteristics and Typical Operation

Class A Amplifier
Plate Voltage ................................. 130 V
Grid No. 2 Voltage ............................ 130 V
Grid No. 1 Voltage ............................ -22 V
Plate Resistance (approx) ..................... 6200 Ω
Transconductance .............................. 8800 µ
Plate Current ................................. 60 mA
Grid No. 2 Current ............................ 2.8 mA

Characteristics and Typical Operation

Damper
Output Current ................................ 200 mA

Characteristics and Typical Operation

Hortz Defl Amplifier
DC Plate Supply Voltage ....................... 130 V
Peak Negative-Pulse Plate Voltage ............. 130 V
DC Grid No. 3 Voltage ......................... 5000 V
DC Grid No. 2 Voltage ......................... -22 V
Peak Negative-Pulse Grid No. 1 Voltage ........ 60 V
Average Cathode Current ....................... 230 mA

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