NJ7P SQL Tube Database Query

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7588
Metal-Ceramic Triode

EIA Base & Outline

Application

The 7588 is a high-mu triode of ceramic-and-metal planar construction. The tube is intended for use as a broadband radio-frequency amplifier at frequencies up to 500 MHz.

Mechanical Data

Electrical Data

Heater Voltage ................................ 6.3 V
Heater Current ................................ 0.4 A

Direct Interelectrode Capacitances (approx)

Triode
Input ......................................... 6.5 pf
Output ........................................ 0.075 pf
Grid to Plate ................................. 2.8 pf

Maximum Ratings (Design Center Values)

Triode
Plate Voltage ................................. 300 V
Plate Dissipation ............................. 5.5 W

Characteristics and Typical Operation

Class A Amplifier
Plate Voltage ................................. 200 V
Grid No. 1 Voltage Derived from
Cathode Bias Resistor ...................... 270 Ω
Amplification Factor .......................... 175
Plate Resistance (approx) ..................... 3900 Ω
Transconductance .............................. 45000 µ
Plate Current ................................. 24 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

Mon, 30 Jan 2023 01:15:06 -0700