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Electron Tube 3CX2500H3

Model No.︰3CX2500H3
Brand Name︰made in China
Country of Origin︰China
Unit Price︰CNY ¥ 3200 / pc
Minimum Order︰1 pc
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Product Description

The 3CX2500F3 and 3CX2500H3 are metal-ceramic sealed, forced air-cooled triodes with thoriated tungsten carbide cathode, used in industrial radio frequency heating equipment. When working at a frequency of 75MHz, the anode dissipation power is 4kw.

 

Specifications:

Filament Voltage……7.5V

Filament Current (at 7V)……51.5A

Transconductance……11mA/V

Amplification Factor……22

Interelectrode Capacitances (Grounded-cathode)

        Input……35pF          Feedback……0.9pF    Output……20Pf

Installation method……upright

Cooling……forced air

Diameter……105.56mm

Weight……2.8kg

Temperature at anode shell and seals……250℃

 

Maximum ratings:

(audio power amplifier or class AB or class B modulator)

Anode Voltage……6kV dc

Anode Current……2.5A dc

Grid Voltage……-1000Vdc

Anode Dissipation……4kW

Grid Dissipation……150W

 

Typical conditions (dual tubes, unless specified otherwise, sine wave)

Anode Voltage

4000

5000

6000Vdc

Grid Voltage

-150

-190

-240Vdc

Zero Signal Anode Current

0.6

0.5

0.4Adc

Signal Anode Current

4.0

3.2

3.0Adc

Anode Load

2200

3600

4650Ω

Audio Grid Input (single)

340

360

390V

signal peak drive

340

230

225W

Signal Nominal drive

170

115

113W

Signal Anode Output

11

11

23kW

 

Maximum ratings:

(Anode Modulated RF Amplifier Class C, Telephone Talking State)

Anode Voltage……5500V dc

Anode Current……2.0A dc

Grid Voltage……-1000Vdc

Anode Dissipation……2670W

Grid Dissipation……150W

 

Typical conditions (30MHz)

Anode Voltage

4000

4500

5000Vdc

Anode Current

1.67

1.47

1.25Adc

Grid Voltage

-450

-500

-550Vdc

Grid Current

180

140

150mAdc

Peak RF Grid Input

685

715

760

Driving Power

125

100

115 W

Grid Dissipation

43

30

32 W

Anode Input

6670

6615

6250 W

Anode Dissipation

1670

1315

950 W

Anode Output

5000

5300

5300 W

 

Maximum ratings: (RF power amplifier or modulator)

Anode Voltage……6000Vdc

Anode Current……2.5Adc

Grid Voltage……-1000Vdc

Grid Current……0.4Adc

Grid Dissipation……150W

Anode Dissipation……4000W

 

Typical conditions (30MHz)

Anode Voltage

4000

4500

5000Vdc

Anode Current

2.5

2.5

2.08Adc

Grid Voltage

-300

-450

-500Vdc

Grid Current

245

265

180mAdc

Peak RF Grid Input

580

750

765

Driving Power

142

197

136W

Grid Dissipation

68

78

46W

Anode Input

10

12.5

12.5kW

Anode Output

7.5

10

10kW

Anode Dissipation

2.5

2.5

2.5kW

 

Product Image


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