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The 7625 is a high-mu triode of ceramic-and-metal planar construction primarily intended for low-level audio-frequency amplification.
Heater Voltage ................................ 6.3 V
Heater Current ................................ 0.215 A
Triode
Input ......................................... 1.5 pf
Output ........................................ 0.03 pf
Grid to Plate ................................. 1.3 pf
Triode
Plate Voltage ................................. 400 V
Plate Dissipation ............................. 0.85 W
Class A Amplifier
Plate Voltage ................................. 150 V
Grid No. 1 Voltage Derived from
Cathode Bias Resistor ...................... 1000 Ω
Amplification Factor .......................... 80
Plate Resistance (approx) ..................... 57000 Ω
Transconductance .............................. 1400 µ
Plate Current ................................. 0.95 mA
If you are uncertain about the EIA designator for a particular tube please use the "Index" button to list all the tubes in the database. You can click on the designator for the closest tube.
(c) 1994-2021 by William A. Beech, NJ7P
Sun, 05 Feb 2023 20:49:58 -0700