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Power - Beam (NOT sweep) ·BeamPower-Pentode

10T10

Compact beam-power output tube for receiver audio stages, providing useful Class-A output power from a heater arrangement intended for series-string equipment.

Directly heatedCold cathodeCommon cathodeDissimilar
Sections
2
Base
12EZ
Socket code
B12C
Base pins
12
Nominal heater
9.8 V / 600 mA

Description

Combined beam-power and sharp-cutoff dual-control pentode for television FM detection and audio-frequency output amplification. Explicit heater variant/co-designation of 12T10 in the approved source.

Socket description

Duodecar 12-contact

General specifications

Tube and section characteristics

Properties common to every published source and operating point.

Heater and base

Base
12EZ
Socket code
B12C
Base pins
12
Nominal heater voltage
9.8 V
Nominal heater current
600 mA
Parallel heater voltage
-
Parallel heater current
-
Series capable
No

12EZ - Terminal pinout

Electrical assignments shared by every tube using this base designation.

TerminalSectionConnectionEvidence
PIN1Pin 1—H — HeaterVerified

GE 12AE10 terminal connections 12EZ, 1968

PIN2Pin 2BK — CathodeGroup EZ2Verified

GE 12AE10 terminal connections 12EZ, 1968

PIN2Pin 2BSH — Internal ShieldGroup EZ2Verified

GE 12AE10 terminal connections 12EZ, 1968

PIN3Pin 3BG1 — Control GridVerified

GE 12AE10 terminal connections 12EZ, 1968

PIN4Pin 4—NCVerified

GE 12AE10 terminal connections 12EZ, 1968

PIN5Pin 5BG3 — Suppressor GridVerified

GE 12AE10 terminal connections 12EZ, 1968

PIN6Pin 6BG2 — Screen GridVerified

GE 12AE10 terminal connections 12EZ, 1968

PIN7Pin 7BP — Plate (Anode)Verified

GE 12AE10 terminal connections 12EZ, 1968

PIN8Pin 8AG1 — Control GridVerified

GE 12AE10 terminal connections 12EZ, 1968

PIN9Pin 9ABP — Beam-Forming PlateGroup EZ9Verified

GE 12AE10 terminal connections 12EZ, 1968

PIN9Pin 9AK — CathodeGroup EZ9Verified

GE 12AE10 terminal connections 12EZ, 1968

PIN10Pin 10AG2 — Screen GridVerified

GE 12AE10 terminal connections 12EZ, 1968

PIN11Pin 11AP — Plate (Anode)Verified

GE 12AE10 terminal connections 12EZ

PIN12Pin 12—H — HeaterVerified

GE 12AE10 terminal connections 12EZ

Section ratings

2 physical sections, each with unique specifications.

Section 1

Beam Power

X-ray radiationInterelectrode capacitances
Plate resistance
100000 Ω
Transconductance
0.0065 S
Max plate voltage
275 V
Max screen voltage
275 V
Max plate dissipation
10 W
Max screen dissipation
2 W
Max cathode current
60 mA

Source is a product-information/reference sheet and does not print the referenced base tube's section ratings/characteristics; promoted fields intentionally not inferred from an external datasheet.

Section 2

Pentode

X-ray radiationInterelectrode capacitances
Plate resistance
150000 Ω
Transconductance
0.001 S
Max plate voltage
330 V
Max screen voltage
330 V
Max plate dissipation
1.7 W
Max screen dissipation
1.1 W

Source is a product-information/reference sheet and does not print the referenced base tube's section ratings/characteristics; promoted fields intentionally not inferred from an external datasheet.

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

1975 RCA RC30

Published operating points and test conditions from this source.

SECTION 1

Beam Power

Other

  • Heater Warm-up Time (Average)

    11 s

    MaximumRating;PublishedValue1

  • Heater Warm-up Time (Average)

    11 s

    MaximumRating;PublishedValue2

  • Peak value

    200 V

    MaximumRating;PublishedValue1

  • Peak value

    200 V

    MaximumRating;PublishedValue2

  • Peak value

    200 V

    MaximumRating;PublishedValue3

  • Average value

    100 V

    MaximumRating;PublishedValue1

  • Average value

    100 V

    MaximumRating;PublishedValue2

  • Average value

    100 V

    MaximumRating;PublishedValue3

Capacitance

  • Grid No.l to Plate

    0.22 pF

    Capacitance

  • Shield •

    11 pF

    Capacitance

  • Shield

    10 pF

    Capacitance

  • Grid No.l to Plate

    0.032 pF

    Capacitance

  • Grid No

    3 pF

    Capacitance;PublishedValue1

  • Grid No

    3 pF

    Capacitance;PublishedValue2

  • Internal Shield

    7.6 pF

    Capacitance

  • Grid No.l to Grid No

    3 pF

    Capacitance;PublishedValue1

  • Grid No.l to Grid No

    0.12 pF

    Capacitance;PublishedValue2

  • Plate of Unit No.l to Plate of Unit No

    2 pF

    Capacitance;PublishedValue1

  • Plate of Unit No.l to Plate of Unit No

    0.13 pF

    Capacitance;PublishedValue2