Name: 4CX1500A cermet tetrode, used in voltage regulator and linear modulator, FU-1500F equivalent tube
Brand: China industrial electronic components
SKU: EIH01110
Price: 1128.91 USD
Availability: InStock

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Price:

$1128.91

~~$1514.74~~

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Description
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Introduction:
1. The 4CX1500A electron tube is a direct-heated thorium-tungsten cathode, forced air cooling, coaxial structure cermet tetrode, the maximum anode dissipation power is 1.5KW, and the maximum operating frequency is 150MHz. Used in the VHF band. The end of the screen grid leads to a connection ring, which can play a good isolation role between the anode circuit and the control grid circuit.
2. Mainly used for Class C or Class AB1 linear amplifiers, but also for voltage regulators and linear modulators.
3. It can be used interchangeably with the 4CX1500A tube produced in the United States

一、Characteristic parameter

Filament voltage	5.0	Filament current	38.5A
Amplification factor (grid-screen grid)	5.5	Transconductance	26mA/V
Maximum operating frequency	150MHz	Installation method	Axial vertical
Interelectrode capacitance (cathode grounded)	Input	78pF
	Output	10.5pF
	Feedback	0.25pF
Recommended socket	Eimac sk-831	Cooling method	Forced air cooling
Recommended hair dryer	Eimac SK-806	Maximum working temperature of anode outer surface	250℃
Maximum working temperature of ceramic metal seal	250℃	height	124.5mm
diameter	85.6mm	Net weight	850g

二、Extreme use data

DC anode voltage	4000V	DC curtain voltage	750V
DC anode current	1.0A	Anode dissipation	1500W
Screen grid dissipation	75W	Grid dissipation	25W

三、Typical working state RF linear amplifier (AB1 class)

DC anode voltage	2500	3900V
DC screen grid voltage	600	600V
DC grid voltage	-105	-110V
Zero signal anode current	250	200mA
Maximum signal anode current	765	750mA
Maximum signal curtain grid current	46	40mA
Peak RF excitation voltage	95	100V
Anode load resistance	1670	2900Ω
Maximum signal anode power output	1080	1850W

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