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Showing 3A5 and all of its variations. Other filters are hidden while viewing variations.

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3A5
Power - Triode Single (under 10W)Triode-TriodeDirectly heatedSeries-parallel
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Base
7BC
Socket code
B7G
Electrical Summary
Heater 2.8 V / 110 mA
Plate S1: 135 V / 1 WS2: 135 V / 1 W
Ik max S1: 15 mAS2: 15 mA
rP S1: 8,300 ΩS2: 8,300 Ω
gm S1: 1.8 mA/VS2: 1.8 mA/V
μ S1: 15S2: 15
Sections
2
7 pins - B7G - Miniature 7-contact
Variations:DCC90
Directly heated high-frequency twin triode intended for portable or battery equipment, usable as an RF amplifier or oscillator and capable of about 2 W push-pull Class-C RF output at 40 MHz.
Oscillator Tube RF Power Triode RF Power Tube Suitable For Battery Equipment Transmitting Tube
Source PDFs (10)
DCC90
Voltage - Dual Triode (similar)Triode-TriodeDirectly heatedSeries-parallel
PDF Google eBay
Base
B7G
Socket code
B7G
Electrical Summary
Heater 1.4 V / 220 mA
Plate S1: 135 V / 1 WS2: 135 V / 1 W
rP S1: 8,300 ΩS2: 8,300 Ω
gm S1: 1.8 mA/VS2: 1.8 mA/V
μ S1: 15S2: 15
Sections
2
7 pins - B7G - Miniature 7-contact
Variations:3A5
Battery-operated miniature RF double triode designed primarily for portable transmitters, including push-pull RF power-amplifier and oscillator service.
Oscillator Tube RF Power Tube Suitable For Battery Equipment VHF Multifunction Triode
Source PDFs (6)

Electrical Summary

General Summary

3A5

Power - Triode Single (under 10W)Triode-TriodeDirectly heatedSeries-parallel

Heater	2.8 V / 110 mA
Plate	S1: 135 V / 1 WS2: 135 V / 1 W
Ik max	S1: 15 mAS2: 15 mA
rP	S1: 8,300 ΩS2: 8,300 Ω
gm	S1: 1.8 mA/VS2: 1.8 mA/V
μ	S1: 15S2: 15

7 pins - B7G - Miniature 7-contact

Variations:DCC90

Directly heated high-frequency twin triode intended for portable or battery equipment, usable as an RF amplifier or oscillator and capable of about 2 W push-pull Class-C RF output at 40 MHz.

Oscillator Tube RF Power Triode RF Power Tube Suitable For Battery Equipment Transmitting Tube

DCC90

Voltage - Dual Triode (similar)Triode-TriodeDirectly heatedSeries-parallel

Heater	1.4 V / 220 mA
Plate	S1: 135 V / 1 WS2: 135 V / 1 W
rP	S1: 8,300 ΩS2: 8,300 Ω
gm	S1: 1.8 mA/VS2: 1.8 mA/V
μ	S1: 15S2: 15

7 pins - B7G - Miniature 7-contact

Variations:3A5

Battery-operated miniature RF double triode designed primarily for portable transmitters, including push-pull RF power-amplifier and oscillator service.

Oscillator Tube RF Power Tube Suitable For Battery Equipment VHF Multifunction Triode

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