NJ7P Tube Database Search

6GA7
Diode - Pentode

Base & Bulb ( GE - 1973)

Mechanical Data

Bulb .......................................... T-12
Outline ....................................... 12-58
EIA Base ...................................... 12EB

Electrical Data

Heater Voltage ................................ 6.3 V
Heater Current ................................ 2.26 A

Maximum Ratings (Design Center Values)

Pentode
Plate Voltage ................................. 770 V
Grid No. 2 Voltage ............................ 220 V
Plate Dissipation ............................. 15 W
Grid No. 2 Dissipation ........................ 3.6 W

Maximum Ratings (Design Center Values)

Diode
Peak Inverse Plate Voltage .................... 5500 V
Voltage Drop @ Current ........................ 32 V @ 250 mA
Plate Dissipation ............................. 5.0 W

Characteristics and Typical Operation

Class A Amplifier
Plate Voltage ................................. 250 V
Grid No. 2 Voltage ............................ 150 V
Grid No. 1 Voltage ............................ -22.5 V
Plate Resistance (approx) ..................... 6600 Ω
Plate Current ................................. 75 mA
Grid No. 2 Current ............................ 2.4 mA

Characteristics and Typical Operation

Horiz Defl Amplifier
DC Plate Supply Voltage ....................... 250 V
Peak Negative-Pulse Plate Voltage ............. 150 V
DC Grid No. 3 Voltage ......................... 6500 V
DC Grid No. 2 Voltage ......................... -22.5 V
Peak Negative-Pulse Grid No. 1 Voltage ........ 75 V
Average Cathode Current ....................... 140 mA

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