Data set 01
194X Miniwatt
Published operating points and test conditions from this source.
SECTION 2
Pentode
Application
Application
VerticalDeflectionOutput text
Power - TV Vertical Output ·Pentode-Triode
XCL85
Triode/power-pentode combination primarily for television vertical oscillator and deflection-output circuitry.
Directly heatedCold cathodeCommon cathodeDissimilar
- Sections
- 2
- Base
- 9LY
- Socket code
- B9A
- Base pins
- 9
- Nominal heater
- 9 V / 300 mA
Description
High-mu triode and power pentode for television sync-amplifier and video-output service.
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
- 9LY
- Socket code
- B9A
- Base pins
- 9
- Nominal heater voltage
- 9 V
- Nominal heater current
- 300 mA
- Parallel heater voltage
- -
- Parallel heater current
- -
- Series capable
- No
9LY - Terminal pinout
Electrical assignments shared by every tube using this base designation.
No verified pinout is recorded for this base designation.
Section ratings
2 physical sections, each with unique specifications.
Section 1
Triode
X-ray radiationInterelectrode capacitances
- Plate resistance
- 7600 Ω
- Transconductance
- 0.0065 S
- Amplification factor
- 50
- Max plate voltage
- 250 V
- Max plate dissipation
- 0.5 W
- Max cathode current
- 20 mA
Published ratings and characteristics promoted from the approved source.
Section 2
Pentode
X-ray radiationInterelectrode capacitances
- Plate resistance
- 25000 Ω
- Transconductance
- 0.0075 S
- Max plate voltage
- 250 V
- Max screen voltage
- 250 V
- Max plate dissipation
- 9 W
- Max screen dissipation
- 2 W
- Max cathode current
- 75 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
1975 RCA RC30
Published operating points and test conditions from this source.
SECTION 1
Triode
Other
Plate supply voltage
550 V
Characteristic
Plate voltage
100 V
ClassA
Grid No.1 voltage
-0.8 V
ClassA
Plate current
5 mA
ClassA
SECTION 2
Pentode
Other
Plate supply voltage
550 V
Peak plate voltage
2000 V
Screen-grid supply voltage
550 V
Characteristic
Plate voltage
170 V
ClassA
Screen-grid voltage
170 V
ClassA
Grid No.1 voltage
-15 V
ClassA
Plate current
41 mA
ClassA
Screen-grid current
2.7 mA
ClassA