Data set 01
1961 Tung Sol
Published operating points and test conditions from this source.
SECTION 1
Beam Power
Characteristic
Transconductance
5100 uS
Typical
Power - TV Vertical Output ·BeamPower
8EM5
Beam-power tube specifically designed for vertical-deflection amplifier service in 110-degree television receivers, with substantial pulse-voltage capability for demanding frame-output circuitry.
Directly heatedCold cathodeCommon cathodeDissimilar
- Sections
- 1
- Base
- 9HN
- Socket code
- B9A
- Base pins
- 9
- Nominal heater
- 8.4 V / 600 mA
Description
Beam power tube for vertical-deflection amplifier service in 110-degree television 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
- 8.4 V
- Nominal heater current
- 600 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
- 50000 Ω
- Transconductance
- 0.0051 S
- Max plate voltage
- 700 V
- Max screen voltage
- 285 V
- Max plate dissipation
- 10 W
- Max screen dissipation
- 1.5 W
- Max cathode current
- 60 mA
- Rectifier max heater-cathode voltage
- 200 V
- Rectifier warm-up time
- 11 s
Published promoted fields populated semantically; identical repeated sections compressed.
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 02
1966 Tung Sol Electronic Tubes 2 of 4
Published operating points and test conditions from this source.
SECTION 1
Beam Power
Other
Peak Positive Pulse Plate Voltage
2200 V
VerticalDeflection
Peak Cathode Current
210 mA
VerticalDeflection
Plate Voltage
250 V
ClassA1
Screen Voltage
250 V
ClassA1
Grid 1 Voltage
-18 V
ClassA1
Plate Current
40 mA
ClassA1
Screen Current
3 mA
ClassA1
Characteristics
Grid-to-Plate Capacitance
0.7 pF
Data set 03
1971 RCA HB3 Binder 5 of 7
Published operating points and test conditions from this source.
SECTION 1
Beam Power
Other
Peak positive pulse plate voltage
2200 V
VerticalDeflection
Peak cathode current
210 mA
VerticalDeflection
Plate voltage
250 V
ClassA1;VerticalDeflection
Grid 2 voltage
250 V
ClassA1;VerticalDeflection
Plate current
40 mA
ClassA1;VerticalDeflection
Grid 2 current
3 mA
ClassA1;VerticalDeflection
Heater voltage nominal
8.4 V
Heater current nominal
600 mA
Data set 04
1975 RCA RC30
Published operating points and test conditions from this source.
SECTION 1
Beam Power
Other
Peak value -
200 V
Other;PublishedValue1
Peak value -
200 V
Other;PublishedValue2
Average value
100 V
Other;PublishedValue1
Average value
100 V
Other;PublishedValue2
Peak Positive-Pulse Plate Voltage# (Absolute Maximum)
220 V
MaximumRating;PublishedValue1
Peak Positive-Pulse Plate Voltage# (Absolute Maximum)
4 V
MaximumRating;PublishedValue2
Grid-No
2 V
MaximumRating;PublishedValue1
Grid-No
285 V
MaximumRating;PublishedValue2
Peak Negative-Pulse Grid-No.l (Control-Grid) Voltage
250 V
MaximumRating
Peak Cathode Current
210 mA
MaximumRating
Plate Dissipation
10 W
MaximumRating
Grid-No
2 W
MaximumRating;PublishedValue1
Grid-No
1.5 W
MaximumRating;PublishedValue2
Grid-No.l-Circuit Resistance
2.2 megohm
MaximumCircuitValue
Maximum Plate Voltage
315 V
Section1
Maximum Screen Voltage
285 V
Section1
Maximum Plate Dissipation
10 W
Section1
Maximum Screen Dissipation
1.5 W
Section1
Maximum Cathode Current
210 mA
Section1
Capacitance
Grid No.l to Plate
0.7 pF
Capacitance
Grid No.l to Cathode, Heater, Grid No
2 pF
Capacitance;PublishedValue1
Grid No.l to Cathode, Heater, Grid No
3 pF
Capacitance;PublishedValue2
Grid No.l to Cathode, Heater, Grid No
10 pF
Capacitance;PublishedValue3
Plate to Cathode, Heater, Grid No
2 pF
Capacitance;PublishedValue1
Plate to Cathode, Heater, Grid No
3 pF
Capacitance;PublishedValue2
Plate to Cathode, Heater, Grid No
5.1 pF
Capacitance;PublishedValue3
Characteristic
Plate Voltage
60 V
Characteristic;PublishedValue1
Plate Voltage
250 V
Characteristic;PublishedValue2
Grid-No
2 V
Characteristic;PublishedValue1
Grid-No
250 V
Characteristic;PublishedValue2
Grid-No
250 V
Characteristic;PublishedValue3
Grid-No.l Voltage
0 V
Characteristic;PublishedValue1
Grid-No.l Voltage
-18 V
Characteristic;PublishedValue2
Plate Resistance
0.05 megohm
Characteristic
Plate Current
180 mA
Characteristic;PublishedValue1
Plate Current
40 mA
Characteristic;PublishedValue2
Grid-No
2 mA
Characteristic;PublishedValue1
Grid-No
30 mA
Characteristic;PublishedValue2
Grid-No.l Voltage (Approx.) for plate current of
0.2 mA
Characteristic;PublishedValue1
Grid-No.l Voltage (Approx.) for plate current of
-37 mA
Characteristic;PublishedValue2
Plate Resistance
50000 ohm
Section1
Transconductance
5100 uS
Section1