Data set 01
1957 Philips Receiving and Amplifying Tubes
Published operating points and test conditions from this source.
SECTION 1
Tuning Indicator
Characteristic
Heater Voltage
19 V
Heater Current
100 mA
Application
AM receiver tuning indicator
Tuning Indicator ·TuningIndicator
UM80
Series-heater fluorescent tuning indicator designed for AM receivers, providing visible tuning accuracy and received-signal indication.
Directly heatedCold cathodeCommon cathodeDissimilar
- Sections
- 1
- Base
- -
- Socket code
- B9A
- Base pins
- -
- Nominal heater
- 19 V / 100 mA
Description
Series-heater tuning indicator for AM 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
- -
- Socket code
- B9A
- Base pins
- -
- Nominal heater voltage
- 19 V
- Nominal heater current
- 100 mA
- Parallel heater voltage
- -
- Parallel heater current
- -
- Series capable
- No
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
Tuning Indicator
X-ray radiationInterelectrode capacitances
- Max plate voltage
- 250 V
- Max plate dissipation
- 0.2 W
- Max cathode current
- 10 mA
Published ratings and characteristics promoted from the approved 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
195X Tesla
Published operating points and test conditions from this source.
SECTION 1
Tuning Indicator
Other
HeaterVoltageNominal
19 V
Nominal
HeaterCurrentNominal
100 mA
Nominal
Maximum Plate Voltage
250 V
Maximum Plate Dissipation
0.2 W
Data set 03
1963 Philips Electron Tubes Handbook V1
Published operating points and test conditions from this source.
SECTION 1
Tuning Indicator
Other
Supply voltage
200 V
Indicator
Indicator voltage
200 V
Indicator
Anode resistor
0.5 MOhm
Indicator
Grid resistor
3 MOhm
Indicator
Grid voltage
-1 V
Indicator; MaximumShadow
Grid voltage
-14 V
Indicator; MinimumShadow
Plate current
0.35 mA
Indicator; GridVoltage=-1V
Plate current
0.01 mA
Indicator; GridVoltage=-14V