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A horizontal ribbon.

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A horizontal ribbon.

807W
Beam Power Tube

EIA Base & Outline

EIA Base: 5AWEIA Bulb: 16-2
Source ........................................ RCA TT-5 - 1962

Application

Heater-cathode type used as af power amplifier and modulator and as rf power amplifier and oscillator. May be used with full input up to 60 MHz. For class C telegraphy operation at 80 MHz,

plate voltage and input should be reduced to 80 % of maximum ratings; at 125 MHz to 55 %. Class C telegraphy maximum plate dissapation, CCS 25 Watts, ICAS 30 Watts.

Requires small 5-contact socket and may be operated in any position. Plate shows no color when tube is operated at maximum CCS or ICAS ratings.

This is a pentode, with g1, g2, and two beam-forming plates connected to the cathode. It is so shown in the RCA TT-5 Tube Manual. It is NOT a tetrode, as shown in almost every ARRL HB ever printed!

Mechanical Data

Bulb .......................................... T-12
Base Type ..................................... 5-Pin low Loss Phenolic
EIA Outline ................................... 12-35
EIA Base ...................................... 5AW
Top Cap ....................................... Small
Cathode ....................................... Coated Unipotential
Mounting Position ............................. Any

Electrical Data

Heater Voltage ................................ 6.3 V
Heater Current ................................ 0.9 A

Direct Interelectrode Capacitances (approx)

Pentode
Input ......................................... 12 pf
Output ........................................ 7 pf
Grid to Plate ................................. 0.2 pf

Maximum Ratings (Design Center Values)

Pentode
Plate Voltage ................................. 750 V
Grid No. 2 Voltage ............................ 300 V
Plate Dissipation ............................. 30 W
Grid No. 2 Dissipation ........................ 3.5 W

For other characteristics and typical operation, see 807

A horizontal ribbon.

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A horizontal ribbon.

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Thu, 18 Aug 2022 15:49:37 -0700