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Power - Triode Single (under 10W) ·Triode

5893

Medium-mu transmitting triode designed for pulsed oscillator and RF power-amplifier service. Its published ratings emphasize high-frequency pulse operation, combining modest plate dissipation with high-voltage transmitting conditions.

Directly heatedCold cathodeCommon cathodeDissimilar

Sections: 1
Base: PENCIL
Socket code: B9A
Base pins: 9
Nominal heater: 6 V / 280 mA

Description

Medium-mu triode for pulsed oscillator and RF power-amplifier 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: PENCIL
Socket code: B9A
Base pins: 9
Nominal heater voltage: 6 V
Nominal heater current: 280 mA
Parallel heater voltage: -
Parallel heater current: -
Series capable: No

PENCIL - 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

Triode

X-ray radiationInterelectrode capacitances

Plate resistance: 4500 Ω
Transconductance: 0.006 S
Amplification factor: 27
Max plate voltage: 330 V
Max plate dissipation: 7 W
Max cathode current: 35 mA

Representative electrical section from supplied RCA data sheet.

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

1940 RCA

Published operating points and test conditions from this source.

SECTION 1

Triode

Characteristic

MaximumOscillatorFrequency
3300 MHz
PlatePulsed
MaximumFrequencyDoubler
1000 MHz

Other

Peak Power Output
1200 W
PlatePulsedOscillator

Data set 02

1956 RCA Transmitting Tubes

Published operating points and test conditions from this source.

SECTION 1

Triode

Characteristic

HeaterOrFilamentVoltage
6 V
HeaterOrFilamentCurrent
330 mA

Data set 03

1971 RCA HB3 Binder 6 of 7

Published operating points and test conditions from this source.

SECTION 1

Triode

Other

Heater/filament voltage nominal
6 V
WholeTube
Heater/filament current
280 mA
WholeTube
Current at
6 V
Published source row
Current at (value 2)
0.28 V
Published source row
PLATE-SUPPLY VOLTAGEb
1750 V
Published source row
GRID-BIAS VOLTAGE
150 V
Published source row
PEAK PLATE CURRENT FROM PULSE SUPPLY
3 A
Published source row
PEAK RECTIFIED GRID CURRENT
1.3 A
Published source row
DC PLATE CURRENT
0 mA
Published source row
DC PLATE CURRENT (value 2)
3 A
Published source row
DC GRID CURRENT
1.3 mA
Published source row
PLATE DISSIPATION°
6 W
Published source row
PULSE DURATION
1.5
Published source row
o
0
Published source row
Plate-Supply Voltageb
1750 V
Published source row
Grid-Bias Voltage
110 V
Published source row
Peak Plate Current from Pulse Supply
3 A
Published source row
Peak Rectified Grid Current
1.1 A
Published source row
DC Plate Current
0 mA
Published source row
DC Plate Current (value 2)
3 A
Published source row
DC Grid Current
1.1 mA
Published source row
DC PLATE VOLTAGE
320 V
Published source row
DC PLATE VOLTAGE (value 2)
400 V
Published source row
DC GRID VOLTAGE
-100 V
Published source row
DC GRID VOLTAGE (value 2)
-100 V
Published source row
DC PLATE CURRENT
35 mA
Published source row
DC PLATE CURRENT (value 2)
40 mA
Published source row
DC GRID CURRENT
15 mA
Published source row
DC GRID CURRENT (value 2)
15 mA
Published source row
PLATE INPUT
11 W
Published source row
PLATE INPUT (value 2)
16 W
Published source row
PLATE DISSIPATION°
7 W
Published source row
PLATE DISSIPATION° (value 2)
8 W
Published source row
DC Plate-to-Grid Voltage
347 V
Published source row
DC Plate-to-Grid Voltage (value 2)
401 V
Published source row
DC Plate-to-Grid Voltage (value 3)
330 V
Published source row
DC Plate-to-Grid Voltage (value 4)
383 V
Published source row
DC Cathode-torrid Voltage?
47 V
Published source row
DC Cathode-torrid Voltage? (value 2)
51 V
Published source row
DC Cathode-torrid Voltage? (value 3)
30 V
Published source row
DC Cathode-torrid Voltage? (value 4)
33 V
Published source row
DC Plate Current
33 mA
Published source row
DC Plate Current (value 2)
35 mA
Published source row
DC Plate Current (value 3)
33 mA
Published source row
DC Plate Current (value 4)
35 mA
Published source row
DC Grid Current (Approx.)
13 mA
Published source row
DC Grid Current (Approx.) (value 2)
13 mA
Published source row
DC Grid Current (Approx.) (value 3)
12 mA
Published source row
DC Grid Current (Approx.) (value 4)
13 mA
Published source row
Driver Power Output (Approx.)
2 W
Published source row
Driver Power Output (Approx.) (value 2)
2.5 W
Published source row
Driver Power Output (Approx.) (value 3)
1.9 W
Published source row
Driver Power Output (Approx.) (value 4)
2.4 W
Published source row
Useful Power Output (Approx.)
7.5 W
Published source row
Useful Power Output (Approx.) (value 2)
8.5 W
Published source row
Useful Power Output (Approx.) (value 3)
5.5 W
Published source row
Useful Power Output (Approx.) (value 4)
6.5 W
Published source row
DC Plate-torrid Voltage
347 V
Published source row
DC Plate-torrid Voltage (value 2)
401 V
Published source row
DC Cathode-to-Grid Voltageo
47 V
Published source row
DC Cathode-to-Grid Voltageo (value 2)
51 V
Published source row
DC Plate Current
33 mA
Published source row
DC Plate Current (value 2)
35 mA
Published source row
DC Grid Current (Approx.)
13 mA
Published source row
DC Grid Current (Approx.) (value 2)
13 mA
Published source row
Useful Power Output (Approx.)
5 W
Published source row
Useful Power Output (Approx.) (value 2)
6 W
Published source row
Grid-Circuit Resistance
0 Mohm
Published source row
Grid-Circuit Resistance (value 2)
1 Mohm
Published source row
Grid-Circuit Resistance (value 3)
0.1 Mohm
Published source row
DC PLATE VOLTAGE
260 V
Published source row
DC PLATE VOLTAGE (value 2)
320 V
Published source row
DC GRID VOLTAGE
-100 V
Published source row

Characteristic

Socket for Heater Pins. Grayhil l No
22
Published source row
Socket for Heater Pins. Grayhil l No (value 2)
-3
Published source row
Socket for Heater Pins. Grayhil l No (value 3)
54
Published source row
Socket for Heater Pins. Grayhil l No (value 4)
6325
Published source row
Published electrical value
1 V
Published source row
Published electrical value (value 2)
330 V
Published source row
DC GRID VOLTAGE
-100 V
Published source row
DC PLATE CURRENT
35 mA
Published source row
PLATE DISSIPATION°
7 W
Published source row
Grid-Circuit Resistance
0.5 Mohm
Published source row

Data set 04

1999 Philips 0-D

Published operating points and test conditions from this source.

SECTION 1

Triode

Characteristics

Heater voltage
6 V
Heater current
280 mA
Plate voltage
200 V
Plate current
25 mA
Transconductance
6000 uS
Amplification factor
27
Plate resistance
4500 ohm
Pulsed oscillator maximum frequency
3300 MHz

Capacitance

Plate-cathode capacitance
0.07 pF
Grid-cathode capacitance
2.5 pF
Plate-grid capacitance
1.75 pF

Other

Maximum plate-voltage spike
2000 V
Duration<=0.01us