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6CZ5

Miniature beam-power tube usable as a television vertical-deflection amplifier and as an audio-frequency output tube in television and radio receivers.

Directly heatedCold cathodeCommon cathodeDissimilar

Sections: 1
Base: 9HN
Socket code: B9A
Base pins: 9
Nominal heater: 6.3 V / 450 mA

Description

Miniature beam-power tube used as a vertical-deflection amplifier in television receivers and as an audio-frequency output tube in television and radio receivers.

Socket description

Small-button Noval 9-contact

General specifications

Tube and section characteristics

Properties common to every published source and operating point.

Heater and base

Base: 9HN
Socket code: B9A
Base pins: 9
Nominal heater voltage: 6.3 V
Nominal heater current: 450 mA
Parallel heater voltage: -
Parallel heater current: -
Series capable: No

9HN - Terminal pinout

Electrical assignments shared by every tube using this base designation.

Terminal	Section	Connection	Evidence
PIN1Base Pin	—	G2 — Screen Grid Literal label G2; manufacturer confirmation pending	Unverified EIA Base Connections printed p132, 9HN
PIN3Base Pin	—	G1 — Control Grid Literal label G1; manufacturer confirmation pending	Unverified EIA Base Connections printed p132, 9HN
PIN4Base Pin	—	H — Heater Literal label H; manufacturer confirmation pending	Unverified EIA Base Connections printed p132, 9HN
PIN5Base Pin	—	H — Heater Literal label H; manufacturer confirmation pending	Unverified EIA Base Connections printed p132, 9HN
PIN6Base Pin	—	G1 — Control Grid Literal label G1; manufacturer confirmation pending	Unverified EIA Base Connections printed p132, 9HN
PIN7Base Pin	—	G3 — Suppressor GridGroup 9HN7 Literal label G3; manufacturer confirmation pending	Unverified EIA Base Connections printed p132, 9HN
PIN7Base Pin	—	K — CathodeGroup 9HN7 Literal label K; manufacturer confirmation pending	Unverified EIA Base Connections printed p132, 9HN
PIN8Base Pin	—	IC Literal label IC; manufacturer confirmation pending	Unverified EIA Base Connections printed p132, 9HN
PIN9Base Pin	—	P — Plate (Anode) Literal label P; manufacturer confirmation pending	Unverified EIA Base Connections printed p132, 9HN

Section ratings

1 physical section, each with unique specifications.

Section 1

Beam Power

X-ray radiationInterelectrode capacitances

Plate resistance: 73000 Ω
Transconductance: 0.0048 S
Max plate voltage: 350 V
Max screen voltage: 315 V
Max plate dissipation: 10 W
Max screen dissipation: 2 W
Max cathode current: 40 mA

Published promoted values applied where applicable; additional ratings and operating data retained as parameters.

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

1950 Sylvania

Published operating points and test conditions from this source.

SECTION 1

Beam Power

Other

Peak Positive Plate Voltage
2200 V
Vertical deflection; absolute maximum
Plate Voltage
250 V
Class A single tube
Power Output
5.4 W
Class A single tube
Power Output
21.5 W
Class AB push-pull

Capacitance

Grid-to-Plate Capacitance
0.4 pF
Maximum

Data set 02

1961 Tung Sol

Published operating points and test conditions from this source.

SECTION 1

Beam Power

Other

Plate Voltage
250 V
Published operating/characteristic table

Characteristic

Plate Current
46 mA
Published operating/characteristic table
Screen Current
4.6 mA
Published operating/characteristic table
Transconductance
4800 uS
Published operating/characteristic table
Plate Resistance
73000 ohm
Published operating/characteristic table

Data set 03

1966 Tung Sol Electronic Tubes 2 of 4

Published operating points and test conditions from this source.

SECTION 1

Beam Power

Other

Maximum DC plate voltage
315 V
Maximum peak positive pulse plate voltage
2200 V
Maximum peak cathode current
155 mA
Plate voltage
250 V
ClassA
Screen voltage
250 V
ClassA
Control-grid voltage
-14 V
ClassA

Characteristic

Plate current
46 mA
ClassA
Screen current
4.6 mA
ClassA

Capacitance

Grid-1-to-plate capacitance maximum
0.4 pF
Input capacitance
9 pF
Output capacitance
6 pF

Data set 04

1971 RCA HB3 Binder 4 of 7

Published operating points and test conditions from this source.

SECTION 1

Beam Power

Characteristics

Current — published value 1
0 mA
Published datasheet value; multiple values represent separate source-table limits or conditions.
Current — published value 2
45 A
Published datasheet value; multiple values represent separate source-table limits or conditions.
Current — published value 3
6 A
Published datasheet value; multiple values represent separate source-table limits or conditions.
No.2, and heater
9
Published datasheet value; multiple values represent separate source-table limits or conditions.
No.2, and heater
6
Published datasheet value; multiple values represent separate source-table limits or conditions.
Plate Voltage — published value 1
75 V
Published datasheet value; multiple values represent separate source-table limits or conditions.
Plate Voltage — published value 2
250 V
Published datasheet value; multiple values represent separate source-table limits or conditions.
Grid-No.2 Voltage — published value 1
250 V
Published datasheet value; multiple values represent separate source-table limits or conditions.
Grid-No.2 Voltage — published value 2
250 V
Published datasheet value; multiple values represent separate source-table limits or conditions.
Grid-No.l Voltage — published value 1
0 V
Published datasheet value; multiple values represent separate source-table limits or conditions.
Grid-No.l Voltage — published value 2
-15 V
Published datasheet value; multiple values represent separate source-table limits or conditions.
Plate Resistance (Approx )
73000 ohm
Published datasheet value; multiple values represent separate source-table limits or conditions.
Transconductance
4800
Published datasheet value; multiple values represent separate source-table limits or conditions.
Plate Current — published value 1
130 mA
Published datasheet value; multiple values represent separate source-table limits or conditions.
Plate Current — published value 2
46 mA
Published datasheet value; multiple values represent separate source-table limits or conditions.
Grid-No.2 Current — published value 1
16 mA
Published datasheet value; multiple values represent separate source-table limits or conditions.
Grid-No.2 Current — published value 2
4.6 mA
Published datasheet value; multiple values represent separate source-table limits or conditions.
plate µa = 100 — published value 1
100 V
Published datasheet value; multiple values represent separate source-table limits or conditions.
plate µa = 100 — published value 2
-40 V
Published datasheet value; multiple values represent separate source-table limits or conditions.
Pin 1 -Grid No.2 — published value 1
1
Published datasheet value; multiple values represent separate source-table limits or conditions.
Pin 1 -Grid No.2 — published value 2
7
Published datasheet value; multiple values represent separate source-table limits or conditions.
P i n 2 - No Connec
2
Published datasheet value; multiple values represent separate source-table limits or conditions.
Pin 3 -Grid No.l
3
Published datasheet value; multiple values represent separate source-table limits or conditions.
Pin 4 -Heater
4
Published datasheet value; multiple values represent separate source-table limits or conditions.
Pin 5 -Heater — published value 1
5
Published datasheet value; multiple values represent separate source-table limits or conditions.
Pin 5 -Heater — published value 2
9
Published datasheet value; multiple values represent separate source-table limits or conditions.
Pin 6 -Grid No.l
6
Published datasheet value; multiple values represent separate source-table limits or conditions.
'PLATE (Ib) OR GRID-Ns 2 ~C2) MILLIAMPERES
2 mA
Published datasheet value; multiple values represent separate source-table limits or conditions.
PLATE VOLTS=250
250 V
Published datasheet value; multiple values represent separate source-table limits or conditions.

Other

Grid No.l to plate
0.4 mA
Published datasheet value; multiple values represent separate source-table limits or conditions.
DC PLATE VOLTAGE
350 V
Published datasheet value; multiple values represent separate source-table limits or conditions.
PEAK POSITIVE-PULSE PLATE VOLTAGE
2200 V
Pulse
DC GRID-No.2 (SCREEN-GRID) VOLTAGE
315 V
Published datasheet value; multiple values represent separate source-table limits or conditions.
(CONTROL-GRID) VOLTAGE
275 V
Published datasheet value; multiple values represent separate source-table limits or conditions.
Peak
155 mA
Published datasheet value; multiple values represent separate source-table limits or conditions.
GRID-No.2 INPUT
2.2 mA
Published datasheet value; multiple values represent separate source-table limits or conditions.
PLATE DISSIPATION
10 mA
Published datasheet value; multiple values represent separate source-table limits or conditions.
Heater negative with respect to cathode
200 V
Published datasheet value; multiple values represent separate source-table limits or conditions.
Heater positive with respect to cathode
200 V
Published datasheet value; multiple values represent separate source-table limits or conditions.
For fixed-bias operation
0.5 mA
Published datasheet value; multiple values represent separate source-table limits or conditions.
For cathode-bias operation
1 mA
Published datasheet value; multiple values represent separate source-table limits or conditions.

Data set 05

1975 RCA RC30

Published operating points and test conditions from this source.

SECTION 1

Beam Power

Capacitance

Grid No.1-to-plate capacitance
0.4 pF

Other

Plate voltage
250 V
ClassA
Screen-grid voltage
250 V
ClassA
Grid voltage
-15 V
ClassA
Plate current
46 mA
ClassA
Screen-grid current
4.6 mA
ClassA
Peak positive-pulse plate voltage
2200 V
VerticalDeflection
Average cathode current
45 mA
VerticalDeflection