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Power - Pentode (NOT beam) ·Pentode-Triode

LCL85

Triode/power-pentode combination for television sync amplification and video-output service.

Directly heatedCold cathodeCommon cathodeDissimilar
Sections
2
Base
9LY
Socket code
B9A
Base pins
9
Nominal heater
18 V / 300 mA

Description

Miniature type used for sync-amplifier and video-out- 9LY put applications in television receivers. Outlines sec- tion, 6G; requires miniature 9-contact socket. Types 9GV8/XCL85, 10GV8/ LCL85, and 18GV8/PCL85 are identical with type 6GV8/ECL85 except for heater ratings. 6GV8/ 9GV8/ 10GV8/ 18GV8/ ECL85 XCL85 LCL85 PCL85

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
18 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

Published ratings and characteristics extracted from the approved RCA source. Pulse-only ratings remain parameter rows unless explicitly continuous.

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
7 W
Max screen dissipation
2 W
Max cathode current
75 mA

Published ratings and characteristics extracted from the approved RCA source. Pulse-only ratings remain parameter rows unless explicitly continuous.

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

1975 RCA RC30

Published operating points and test conditions from this source.

SECTION 1

Triode

Characteristic

  • Heater Voltage (ac/de)

    18 volts

    Published value from supplied target entry

  • Heater Current

    0.3 ampere

    Published value from supplied target entry

  • IMate Supply Voltage

    550 volts

    Published value from supplied target entry

  • Peak Plate Voltage

    2000 volts

    Published value from supplied target entry

  • DC Plate Voltage

    250 volts

    Published value from supplied target entry

  • Grid-No

    550 volts

    Published value from supplied target entry

  • Grid-No

    250 volts

    Published value from supplied target entry

  • Peak Cathode Current"

    200 mA

    Published value from supplied target entry

  • Average Cathode Current

    75 mA

    Published value from supplied target entry

  • Plate Dissipation

    7 watts

    Published value from supplied target entry

  • Plate Voltage

    170 volts

    Published value from supplied target entry

  • Grid-No

    170 volts

    Published value from supplied target entry

  • Grid-No

    -15 volts

    Published value from supplied target entry

  • Amplification Factor

    50

    Published value from supplied target entry

  • Plate Resistance ( Appro*. )

    -25000 ohms

    Published value from supplied target entry

  • Plate Current

    41 mA

    Published value from supplied target entry

  • Grid-No

    2.7 mA

    Published value from supplied target entry

  • Grid-No

    1

    Published value from supplied target entry

Other

  • Voltage ±

    200

    Published value from supplied target entry