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Power - Triode Single (under 10W) ·Triode

6L18

Indirectly heated triode intended for oscillator service.

Directly heatedCold cathodeCommon cathodeDissimilar
Sections
1
Base
BBA
Socket code
-
Base pins
8
Nominal heater
6.3 V / 300 mA

Description

Indirectly heated triode intended for oscillator service.

General specifications

Tube and section characteristics

Properties common to every published source and operating point.

Heater and base

Base
BBA
Socket code
-
Base pins
8
Nominal heater voltage
6.3 V
Nominal heater current
300 mA
Parallel heater voltage
-
Parallel heater current
-
Series capable
No

BBA - Terminal pinout

Electrical assignments shared by every tube using this base designation.

No verified pinout is recorded for this base designation.

Section ratings

1 physical section, each with unique specifications.

Section 1

Triode

X-ray radiationInterelectrode capacitances
Plate resistance
2250 Ω
Transconductance
0.0076 S
Amplification factor
17
Max plate voltage
250 V
Max plate dissipation
5 W

Source-dependent data

Operating conditions by source

Each block preserves the test conditions and published values from one reference. Values from different sources are intentionally kept separate.

Data set 01

1960 Mazda

Published operating points and test conditions from this source.

SECTION 1

Triode

Other

  • Maximum Heater Cathode Voltage

    150 V

Capacitance

  • Anode Earth Capacitance

    6 pF

  • Anode Grid Capacitance

    2.6 pF

  • Grid Earth Capacitance

    4.6 pF