Data set 01
1961 Tung Sol
Published operating points and test conditions from this source.
SECTION 1
Triode
Other
Service
Local oscillator
SECTION 2
Pentode
Other
Service
Pentode mixer
Voltage Radio Detector Converter ·Pentode-Triode
5U8
Combined triode-pentode used as an oscillator and mixer or frequency converter in television or VHF communications receivers.
Directly heatedCold cathodeCommon cathodeDissimilar
- Sections
- 2
- Base
- 9AE
- Socket code
- B9A
- Base pins
- 9
- Nominal heater
- 5 V / 600 mA
Description
Miniature types used as combined oscillator and mixer ' tube in color and black-and-white television receivers c P®VvOx~/9v£)KT ' frZIzJfa utilizing an intermediate frequency in the order of ( ^fc T 40 MHz. Outlines 4.7 section, 6B; require miniature 9- 9AE contact socket. Type 5U8 is identical with type 6U8A/ 6KD8 except for heater ratings. 5U8 6U8A/6KD8 9U8A
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
- 9AE
- Socket code
- B9A
- Base pins
- 9
- Nominal heater voltage
- 5 V
- Nominal heater current
- 600 mA
- Parallel heater voltage
- -
- Parallel heater current
- -
- Series capable
- No
9AE - Terminal pinout
Electrical assignments shared by every tube using this base designation.
| Terminal | Section | Connection | Evidence |
|---|---|---|---|
| PIN12P | B | P — Plate (Anode) Chart transcription; manufacturer confirmation pending | Unverified EIA Base Connections, printed page 131, 9AE |
| PIN21G1 | A | G1 — Control Grid Chart transcription; manufacturer confirmation pending | Unverified EIA Base Connections, printed page 131, 9AE |
| PIN31G2 | A | G2 — Screen Grid Chart transcription; manufacturer confirmation pending | Unverified EIA Base Connections, printed page 131, 9AE |
| PIN4H | — | H — Heater Chart transcription; manufacturer confirmation pending | Unverified EIA Base Connections, printed page 131, 9AE |
| PIN5H | — | H — Heater Chart transcription; manufacturer confirmation pending | Unverified EIA Base Connections, printed page 131, 9AE |
| PIN61P | A | P — Plate (Anode) Chart transcription; manufacturer confirmation pending | Unverified EIA Base Connections, printed page 131, 9AE |
| PIN71G3 | A | G3 — Suppressor GridGroup 9AE7 Source transcription; manufacturer confirmation pending | Unverified EIA Base Connections, printed page 131, 9AE |
| PIN7IS | A | IS — Internal ScreenGroup 9AE7 Source transcription; manufacturer confirmation pending | Unverified EIA Base Connections, printed page 131, 9AE |
| PIN71K | A | K — CathodeGroup 9AE7 Source transcription; manufacturer confirmation pending | Unverified EIA Base Connections, printed page 131, 9AE |
| PIN82K | B | K — Cathode Source transcription; manufacturer confirmation pending | Unverified EIA Base Connections, printed page 131, 9AE |
| PIN92G1 | B | G1 — Control Grid Source transcription; manufacturer confirmation pending | Unverified EIA Base Connections, printed page 131, 9AE |
Section ratings
2 physical sections, each with unique specifications.
Section 1
Triode
X-ray radiationInterelectrode capacitances
- Plate resistance
- 8000 Ω
- Transconductance
- 0.0075 S
- Amplification factor
- 60
- Max plate voltage
- 250 V
- Max plate dissipation
- 2.5 W
Published Westinghouse ratings, characteristics, operating conditions, and capacitances extracted from supplied source.
Section 2
Pentode
X-ray radiationInterelectrode capacitances
- Plate resistance
- 200000 Ω
- Transconductance
- 0.005 S
- Amplification factor
- 40
- Max plate voltage
- 250 V
- Max screen voltage
- 150 V
- Max plate dissipation
- 2.5 W
- Max screen dissipation
- 0.5 W
Published Westinghouse ratings, characteristics, operating conditions, and capacitances extracted from supplied source.
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
1965 Westinghouse Data Book
Published operating points and test conditions from this source.
SECTION 1
Triode
Characteristic
HeaterOrFilamentVoltage
4.7 V
HeaterOrFilamentCurrent
600 mA
ControlledWarmupHeater
1 boolean
Heater Warmup Time
11 s
Transconductance
7500 uS
Amplification Factor
60
Grid To Plate Capacitance
1.8 pF
Input Capacitance
2.8 pF
Output Capacitance
2 pF
Other
Plate Voltage
125 V
TriodeUnit
Plate Current
13.5 mA
TriodeUnit
SECTION 2
Pentode
Other
Plate Voltage
125 V
PentodeUnit
Screen Voltage
110 V
PentodeUnit
Plate Current
9.5 mA
PentodeUnit
Screen Current
3.5 mA
PentodeUnit
Characteristic
Transconductance
5000 uS
GridToPlateCapacitanceMaximum
0.015 pF
Input Capacitance
5 pF
Output Capacitance
3.5 pF
Data set 03
1966 Tung Sol Electronic Tubes 1 of 4
Published operating points and test conditions from this source.
SECTION 1
Triode
Other
Plate voltage
125 V
TriodeSection
Grid voltage
-1 V
TriodeSection
Plate current
13.5 mA
TriodeSection
Characteristic
Transconductance
7500 uS
TriodeSection
Amplification factor
40
TriodeSection
Capacitance
Grid-to-plate capacitance
1.8 pF
TriodeSection
SECTION 2
Pentode
Other
Maximum grid 2 supply voltage
330 V
PentodeSection
Plate voltage
125 V
PentodeSection
Grid 2 voltage
110 V
PentodeSection
Grid 1 voltage
-1 V
PentodeSection
Plate current
9.5 mA
PentodeSection
Grid 2 current
3.5 mA
PentodeSection
Characteristic
Transconductance
5000 uS
PentodeSection
Plate resistance
0.2 MOhm
PentodeSection
Zero-bias transconductance
5500 uS
Eg1=0V; Eg2=70V; Eplate=100V
Capacitance
Grid-to-plate capacitance
- to 0.007 pF
PentodeSection; WithShield; Maximum
Data set 04
1975 RCA RC30
Published operating points and test conditions from this source.
SECTION 1
Triode
Characteristic
Heater Voltage (ac/dc)
9.45 volts
Published value from supplied target entry
Heater Current
0.3 ampere
Published value from supplied target entry
Heater Warm-up Time (Average)
11 seconds
Published value from supplied target entry
Plate Voltage
330 volts
Published value from supplied target entry
Grid-No
330 volts
Published value from supplied target entry
Grid-No
300
Published value from supplied target entry
Grid-No.l (Control-Grid) Voltage, Positive-bias value
0 volts
Published value from supplied target entry
Plate Dissipation
3 watts
Published value from supplied target entry
Grid-No
2
Published value from supplied target entry
For grid-No
0.55 volts
Published value from supplied target entry
For grid-No
300 volts
Published value from supplied target entry
Plate Voltage
125 volts
Published value from supplied target entry
Grid-No2 Voltage
110 volts
Published value from supplied target entry
Grid-No.l Voltage
-1 volts
Published value from supplied target entry
Amplification Factor
40
Published value from supplied target entry
Plate Resistance (Approx.)
0.2 megohm
Published value from supplied target entry
Transconductance
5000
Published value from supplied target entry
Plate Current
9.5 mA
Published value from supplied target entry
Grid-No
3.5 mA
Published value from supplied target entry
(ac/dc),
0.6 amperes
Published value from supplied target entry
Average Cathode Current
20 mA
Published value from supplied target entry
Plate Dissipation
1 watts
Published value from supplied target entry
Plate Voltage
200 volts
Published value from supplied target entry
Grid Voltage
-1.5 volts
Published value from supplied target entry
Amplification Factor
90
Published value from supplied target entry
Plate Resistance (Approx.)
61000 ohms
Published value from supplied target entry
Transconductance
1600
Published value from supplied target entry
Plate Current
1.2 mA
Published value from supplied target entry
For plate current of
15 volts
Published value from supplied target entry
For plate current of
-3 volts
Published value from supplied target entry
* This value may reach
10 megohms
Published value from supplied target entry
are such that the plate dissipation can never exceed
0.5 watt
Published value from supplied target entry
Capacitance
Grid to Plate
1.8 pF
Published value from supplied target entry
Plate to Cathode, Heater, Grid No
2
Published value from supplied target entry
Triode Cathode to Heater
3 pF
Published value from supplied target entry
Pentode Plate to Triode Plate
0.02 pF
Published value from supplied target entry