6KD6

Duodecar beam-power tube designed for low-B-plus color-television horizontal-deflection amplifier service.

Directly heatedCold cathodeCommon cathodeDissimilar

Sections: 1
Base: E12-74
Socket code: B12C
Base pins: 12
Nominal heater: 6.3 V / 2.85 A

Description

Duodecar beam-power tube used as a horizontal-deflection amplifier in television receivers.

Socket description

Duodecar 12-contact

General specifications

Tube and section characteristics

Properties common to every published source and operating point.

Heater and base

Base: E12-74
Socket code: B12C
Base pins: 12
Nominal heater voltage: 6.3 V
Nominal heater current: 2.85 A
Parallel heater voltage: -
Parallel heater current: -
Series capable: No

E12-74 - 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

Beam Power

X-ray radiationInterelectrode capacitances

Plate resistance: 6000 Ω
Transconductance: 0.014 S
Max plate voltage: 990 V
Max screen voltage: 200 V
Max plate dissipation: 33 W
Max screen dissipation: 5 W
Max cathode current: 1.4 A

Representative electrical section from supplied RCA data sheet.

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

1968 General Electric Co

Published operating points and test conditions from this source.

SECTION 1

Beam Power

Other

Peak Positive Pulse Plate Voltage
7000 V
HorizontalDeflection

Capacitance

Input Capacitance
40 pF
Output Capacitance
16 pF

Data set 02

1971 RCA HB3 Binder 5 of 7

Published operating points and test conditions from this source.

SECTION 1

Beam Power

Other

Heater voltage nominal
6.3 V
Heater current
2.85 A
DC Plate Supply Voltage h Ebb
990 V
Published source row
peak Positive-Pulse plate Voltage
7000 V
Published source row
DC Grid-No
3 V
Published source row
DC Grid-No (value 2)
20 V
Published source row
DC Grid-No
2 V
Published source row
DC Grid-No (value 2)
200 V
Published source row
(Control-Grid) Voltage
250 V
Published source row
Heater Voltage, ac or do Eh
5.7 V
Published source row
Heater Voltage, ac or do Eh (value 2)
6.9 V
Published source row
Grid-No
2 W
Published source row
Grid-No (value 2)
5 W
Published source row
Plate Dissipationp Pb
33 W
Published source row
Grid-No.l-Circuit Resistance Rgl
2.2
Published source row
Grid-No
3
Published source row
Grid-No (value 2)
0.01
Published source row
current issue of EIA Standard RS
191
Published source row
With grid No
3
Published source row
With grid No (value 2)
2
Published source row
g As defined in the current issue of EIA Standard RS
239
Published source row
^~ receivers. Atypical value for this voltage is
20 V
Published source row

Characteristics

~.,,, Heater Voltage, ac or dc. Eh
6.3 V
Published source row
Heater Current Ih
2.85 A
Published source row
Plate Resistance (approx.) rp —
6000
Published source row
Transconductance gm — — —
14000
Published source row
DC Plate Current Ib —
11004 mA
Published source row
DC Plate Current Ib — (value 2)
7804 mA
Published source row
DC Plate Current Ib — (value 3)
100 mA
Published source row
DC Grid-No
2 mA
Published source row
DC Grid-No (value 2)
1104 mA
Published source row
DC Grid-No (value 3)
444 mA
Published source row
Heater Voltage Eh
6 V
Published source row
Heater Voltage Eh (value 2)
3 V
Published source row
Plate Voltages ehm
5000 V
Published source row
DC Plate Voltage Eb —
45 V
Published source row
DC Plate Voltage Eb — (value 2)
60 V
Published source row
DC Plate Voltage Eb — (value 3)
150 V
Published source row
DC Grid-No
3
Published source row
DC Grid-No
2 V
Published source row
DC Grid-No (value 2)
110 V
Published source row
DC Grid-No (value 3)
160 V
Published source row
DC Grid-No.l Voltage . . —
0 V
Published source row
DC Grid-No.l Voltage . . — (value 2)
0 V
Published source row
DC Grid-No.l Voltage . . — (value 3)
-22.5 V
Published source row

Data set 03

1975 RCA RC30

Published operating points and test conditions from this source.

SECTION 1

Beam Power

Other

Grid-No. 3-Circuit Resistance
0.68 MΩ
Published in approved 30KD6 target datasheet entry; Section1
For fixed-bias operation
0.5 MΩ
Published in approved 30KD6 target datasheet entry; Section1
For cathode-bias operation
1 MΩ
Published in approved 30KD6 target datasheet entry; Section1
# Pulse duration must not exceed 15% of a horizontal scanning cycle (
10 microseconds
Published in approved 30KD6 target datasheet entry; Section1
Heater Voltage 6.3 30
36 V
Published in approved 30KD6 target datasheet entry; Section1
Heater Current 2.85 0.6
450 mA
Published in approved 30KD6 target datasheet entry; Section1
Heater Warm-up Time 11
11 seconds
Published in approved 30KD6 target datasheet entry; Section1
Grid No.l to Plate
0.8 pF
Published in approved 30KD6 target datasheet entry; Section1
Grid No.l to Cathode, Heater, Grid No.2, and Grid No.3
40 pF
Published in approved 30KD6 target datasheet entry; Section1
DC Plate Supply Voltage
990 V
Published in approved 30KD6 target datasheet entry; Section1
Peak Positive-Pulse Plate Voltage*
7000 V
Published in approved 30KD6 target datasheet entry; Section1
Positive DC Grid-No.3 Voltage
20 V
Published in approved 30KD6 target datasheet entry; Section1
Grid-No.2 Voltage
200 V
Published in approved 30KD6 target datasheet entry; Section1
Peak Negative-Pulse Grid-No.l Voltage
250 V
Published in approved 30KD6 target datasheet entry; Section1
Peak Cathode Current
1400 mA
Published in approved 30KD6 target datasheet entry; Section1
Grid-No.2 Input
5 W
Published in approved 30KD6 target datasheet entry; Section1
Transconductance —
14000 µS
Published in approved 30KD6 target datasheet entry; Section1
Plate Current — 750
120 mA
Published in approved 30KD6 target datasheet entry; Section1
Grid-No. 2 Current — 42"
1.8 mA
Published in approved 30KD6 target datasheet entry; Section1
of 1.0 juA — —
-40 V
Published in approved 30KD6 target datasheet entry; Section1
Grid-No.l-Circuit Resistance
2.2 MΩ
Published in approved 30KD6 target datasheet entry; Section1
Grid-No. 3-Circu it Resistance
0.01 MΩ
Published in approved 30KD6 target datasheet entry; Section1
# Pulse duration must not exceed 15% of a horizontal scanning cycle (
10 microseconds
Published in approved 30KD6 target datasheet entry; Section1
Heater Voltage (ac/dc) 4.5 5.6
6.3 V
Published in approved 30KD6 target datasheet entry; Section1
Heater Current 0.6 0.45
400 mA
Published in approved 30KD6 target datasheet entry; Section1
Heater Warm-up Time (Average) 11
11 seconds
Published in approved 30KD6 target datasheet entry; Section1
Plate Voitagc 280
280 V
Published in approved 30KD6 target datasheet entry; Section1
Grid-No.2 (Screen-Grid) Supply Voltage
280 V
Published in approved 30KD6 target datasheet entry; Section1
Grid-No.l (Control-Grid) Voltage, Positive-bias value
0 V
Published in approved 30KD6 target datasheet entry; Section1
Cathode Current
20 mA
Published in approved 30KD6 target datasheet entry; Section1
Plate Dissipation
2 W
Published in approved 30KD6 target datasheet entry; Section1
For grid-No. 2 voltages up to
140 V
Published in approved 30KD6 target datasheet entry; Section1
For grid-No.2 voltages between 140 and
280 V
Published in approved 30KD6 target datasheet entry; Section1
Plate Supply Voltage 125
125 V
Published in approved 30KD6 target datasheet entry; Section1
Grid-No.2 Supply Voltage
125 V
Published in approved 30KD6 target datasheet entry; Section1
Grid-No.l Supply Voltage 0
0 V
Published in approved 30KD6 target datasheet entry; Section1
Cathode-Bias Resistor 68
33 Ω
Published in approved 30KD6 target datasheet entry; Section1

Capacitance

Plate to Cathode, Heater, Grid No.2, and Grid No. 3
16 pF
Published in approved 30KD6 target datasheet entry; Section1
Grid to Plate
1.3 pF
Published in approved 30KD6 target datasheet entry; Section1
and Internal Shield
2.4 pF
Published in approved 30KD6 target datasheet entry; Section1
and Internal Shield
2 pF
Published in approved 30KD6 target datasheet entry; Section1
and Internal Shield
5 pF
Published in approved 30KD6 target datasheet entry; Section1
and Internal Shield
3.4 pF
Published in approved 30KD6 target datasheet entry; Section1

Characteristic

Plate Voltage 150 60
150 V
Published in approved 30KD6 target datasheet entry; Section1
Grid-No.2 (Screen-Grid) Voltage 150 110
110 V
Published in approved 30KD6 target datasheet entry; Section1
Plate Resistance (Approx.) —
6000 Ω
Published in approved 30KD6 target datasheet entry; Section1