12T10

Combination tube integrating a beam-power output section with a sharp-cutoff dual-control pentode for television FM detection and audio-frequency power amplification.

Directly heatedCold cathodeCommon cathodeDissimilar

Sections: 2
Base: 12EZ
Socket code: B12C
Base pins: 12
Nominal heater: 12.6 V / 450 mA

Description

Combined beam-power and sharp-cutoff dual-control pentode for television FM detection and audio-frequency output amplification.

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: 12.6 V
Nominal heater current: 450 mA
Parallel heater voltage: -
Parallel heater current: -
Series capable: No

12EZ - Terminal pinout

Electrical assignments shared by every tube using this base designation.

Terminal	Section	Connection	Evidence
PIN1Pin 1	—	H — Heater	Verified GE 12AE10 terminal connections 12EZ, 1968
PIN2Pin 2	B	K — CathodeGroup EZ2	Verified GE 12AE10 terminal connections 12EZ, 1968
PIN2Pin 2	B	SH — Internal ShieldGroup EZ2	Verified GE 12AE10 terminal connections 12EZ, 1968
PIN3Pin 3	B	G1 — Control Grid	Verified GE 12AE10 terminal connections 12EZ, 1968
PIN4Pin 4	—	NC	Verified GE 12AE10 terminal connections 12EZ, 1968
PIN5Pin 5	B	G3 — Suppressor Grid	Verified GE 12AE10 terminal connections 12EZ, 1968
PIN6Pin 6	B	G2 — Screen Grid	Verified GE 12AE10 terminal connections 12EZ, 1968
PIN7Pin 7	B	P — Plate (Anode)	Verified GE 12AE10 terminal connections 12EZ, 1968
PIN8Pin 8	A	G1 — Control Grid	Verified GE 12AE10 terminal connections 12EZ, 1968
PIN9Pin 9	A	BP — Beam-Forming PlateGroup EZ9	Verified GE 12AE10 terminal connections 12EZ, 1968
PIN9Pin 9	A	K — CathodeGroup EZ9	Verified GE 12AE10 terminal connections 12EZ, 1968
PIN10Pin 10	A	G2 — Screen Grid	Verified GE 12AE10 terminal connections 12EZ, 1968
PIN11Pin 11	A	P — Plate (Anode)	Verified GE 12AE10 terminal connections 12EZ
PIN12Pin 12	—	H — Heater	Verified GE 12AE10 terminal connections 12EZ

Section ratings

2 physical sections, each with unique specifications.

Section 1

Beam Power

X-ray radiationInterelectrode capacitances

No fixed ratings are recorded for this section.

Approved individual PDF contains only the entry heading/heater data and/or a reference to another type for ratings; no external electrical values were imported.

Section 2

Pentode

X-ray radiationInterelectrode capacitances

No fixed ratings are recorded for this section.

Approved individual PDF contains only the entry heading/heater data and/or a reference to another type for ratings; no external electrical values were imported.

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