Quick Details

• Place of Origin: Liaoning, China (Mainland)
• Brand Name: HUAGUANG
• Model Number: TB4-1250
• Type: Triode Transistor
• Package Type: Surface Mount
• weight: 0.42kgs
• type: glass-metal triode

Specifications

Electrical parameters
Filament voltage: 10V
Filament current: 9.9A
The maximum instantaneous filament current: 15A
Magnification factor: 28
Transconductance: 4.5mA / V
Electrode capacitance:
Anode - the GRID: 8pF
Cathode - the GRID: 11pF
Anode - Cathode: ≤ 0.35pF
Mechanical properties:
Weight: 0.42Kg
Installation: vertical, anode terminals up
Cooling: cooling
Shell and tube maximum temperature: 225 ° C
Sealing at the highest temperature: 220 °C
Leads to the end of the maximum temperature of 180 °C
Maximum ratings

The maximum anode DC voltage: 4KV
Maximum Anode DC Current: 535mA
Maximum GRID DC current: 115mA
Maximum anode dissipation power: 450W
Maximum GRID power dissipation: 50W
Maximum anode input power: 2.2KW
In typical operation: class C telegraph
Filament voltage: 10V
Anode DC voltage: 4KV
GRID DC bias voltage:-350V
Anode DC Current: 535mA
GRID DC current: 115mA
Anode output power: 1.69KW
Note: generally under matched load can be naturally cooled, but the equipment must be well ventilated, if in a non-matched load, high pressure, high-frequency conditions required for forced air cooling, ventilation should be through the outlet from the tube at the bottom of under the previous air.

Jinzhou Huaguang Electron Tubes Co., Ltd.

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