Name: Triode 7T84RB High Frequency Welding Machine Metal Ceramic Vacuum Tube China Electron Tube
Brand: China industrial electronic components
SKU: EIH01117
Price: 270.10 USD
Availability: InStock

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Price:

$270.10

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Description
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Introduction:
1. The 7T84RB type electron tube has a cermet structure, a thorium carbide cathode and a forced air-cooled triode. The maximum anode dissipation power is 1.5KW, the maximum operating frequency is 110MHz, and the output power is 3.8KW
2. Mainly used as an oscillator for industrial high-frequency heating equipment
3. It can be used interchangeably with the 7T84RB tube produced in Japan

一、Characteristic parameter

Filament voltage	6.3V	Filament current	22A
Transconductance (Ia=1A)	4.5mA/V	Amplification factor	17
Interelectrode capacitance	The gate - anode	12pF
	The gate - cathode	22pF
	Anode-cathode	0.4pF
Maximum operating frequency	110MHz	maximum height	190mm
The maximum diameter	130mm	Weight (approximately)	1.0kg
Installation method	Vertical/anode down or up	Cooling method	Forced air cooling
Minimum cooling air volume	3.5m3/min	Minimum static pressure	127Pa
Maximum inlet air temperature	45℃	Maximum temperature of shell	250℃
Maximum temperature of electrode seal	250℃

二、Use limit

	Continuous use	Intermittent use
Anode DC voltage	7	7kV
Anode DC current	0.8	0.9A
The gate DC voltage	—1.5	—1.5kV
The gate DC current	0.2	0.28A
Anode dissipation power	1.5	2.0kW
The gate power dissipation	70	90W

三、RF power amplifier and oscillator (Class C telegraph) Typical working conditions

	Continuous use		Intermittent use
Anode DC voltage	5	6.5	7kV
Anode DC current	0.65	0.75	0.88A
The gate DC current	140	150	190mA
The gate impedance	5000	6000	6000Ω
Anode output power	2.5	3.8	4.7kW

For delivery time:
Generally, we will dispatch the items within 10 days upon order confirmation; some items may need 20~30 days to get ready for delivery, then we will try our best to dispatch as soon as possible, or we will contact you and offer advice.

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