4X150H

4X150H

General

Tetrode.

Envelope: metal-to-ceramic.

Cooling: forced air.

Mass 150 g.

Lead diagram

General characteristics

Filament voltage, Volt
6

Anode voltage, Volt
2000

2^nd grid voltage, Volt
400

Plate current, mA
350

Filament (heater) current, A
3.1±0.5

1^st grid voltage, Volt
-20±5

2^nd grid current, mA
no more than 18

Gain coefficient of 1^st grid in relative to 2^nd grid
13.5±4.5

Mutual conductance, mA/V
-22±6

Warm-up time
60 sec

Oscillating power, W
no less than 250 W

Inter electrode capacitance, pF:

input
29

output
7.5

transfer
0.06

Operation time, h
more than 1000

Limited operating values

Cathode current (steady component), A
0.36

Cathode current (peak component), A
1.2

Filament voltage, V
5.7 to 6.3

Anode voltage, V
2000

Peak anode voltage, V
3500

2^nd grid voltage, V
400

1^st grid voltage, V
-150

Cathode-heater voltage, V
100

Anode dissipation, W
350

2^nd grid dissipation, W
8

1^st grid dissipation, W
2

Operating frequency
250 MHz

Plate-grid and plate curves

Plate curves Plate-grid curves

Filament voltage, Volt	6
Anode voltage, Volt	2000
2^nd grid voltage, Volt	400
Plate current, mA	350

Filament (heater) current, A	3.1±0.5
1^st grid voltage, Volt	-20±5
2^nd grid current, mA	no more than 18
Gain coefficient of 1^st grid in relative to 2^nd grid	13.5±4.5
Mutual conductance, mA/V	-22±6
Warm-up time	60 sec
Oscillating power, W	no less than 250 W
Inter electrode capacitance, pF: input	29
output	7.5
transfer	0.06
Operation time, h	more than 1000

Cathode current (steady component), A	0.36
Cathode current (peak component), A	1.2
Filament voltage, V	5.7 to 6.3
Anode voltage, V	2000
Peak anode voltage, V	3500
2^nd grid voltage, V	400
1^st grid voltage, V	-150
Cathode-heater voltage, V	100
Anode dissipation, W	350
2^nd grid dissipation, W	8
1^st grid dissipation, W	2
Operating frequency	250 MHz