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Your position: Home / Electron Tubes / Industrial heating tubes

ML-7815 electron tube,air-cooled triode,vacuum induction tube

Mainly used in grounded grid oscillator
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$210.80
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  • Description
  • Reviews(7)

Introduction:
1. The ML-7815 electron tube has a cermet structure, an indirectly heated oxide cathode, a flat grid transistor, and the cooling method is forced air cooling. The maximum working power is 3000MHz, the maximum anode dissipation power is 10W, the maximum anode working voltage is 3500V, and the maximum pulse output power is 750W
2. Mainly used in grounded grid oscillator
3. It can be used interchangeably with ML-7815A electron tubes produced in the United States


一、Characteristic parameter
Heating wire voltage 6.0V Hot wire current 1.1A
Transconductance (average) (Ia=70mA Ea=600Vdc) 25mA/V Amplification factor (average) 100
Interelectrode capacitance (cathode grounded) Input 6.3pF  
Feedback ≤0.035pF  
Output 1.98pF  
Pulse output power 750W Cooling method Conduction and convection
Maximum working temperature of anode shell and sealing joint 250℃ maximum length 68.60mm
maximum diameter 30.35mm net weight 51g
Installation location Arbitrary    

二、Extreme use data
The shortest cathode warm-up time 2min Hot wire voltage (hot wire voltage is the rated value) 1~1.2A
Maximum anode DC voltage 3.5kV Maximum negative gate voltage -150V
Maximum average gate current 25mA Maximum average cathode current 125mA
Average anode current 100mA Maximum anode dissipation 10W
Maximum gate dissipation 2W    

三、Limit application data under grid pulse operation when the specified pulse width≤4μS and duty ratio≤0.004
Maximum grid positive pulse voltage amplitude 150V Maximum cathodic pulse current amplitude 4.8A
Maximum anode pulse current amplitude 3A    

四、Typical working state (gate pulse modulation oscillator)
Heating wire voltage 6.0V Anode voltage 2kV
Grid voltage -75V working frequency 1090MHz
Work ratio 0.001 Peak anode current 1.1A
Peak gate current 0.8A Pulse power 750W
 






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Average rating: 5.0 based on 7 reviews
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