Name: The FU-3203F is a direct-heat tungstened cathode, high amplification factor, forced air-cooling power triode equivalent to 3CX20000A7
Brand: China industrial electronic components
SKU: EIH01105
Availability: InStock

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For fast delivery of goods, kindly please read following tips carefully before order:

Since this triode is high value and Customs declarance necessary,
for compliance with China foreigh exchange policy.

the Payment need to be paid through TT to our company bank account,
therefore, please DO NOT pay the order directly online.

please contact EECTECH through sales@eectech.store  BEFORE order / BEFORE payment, we will help you to complete the order and payment fluently in a short time. thank you.

Introduction:
The FU-3203F electron tube is a metal-ceramic structure, direct-heat tungstened cathode, high amplification factor, forced air-cooling power triode,
The highest working frequency is 110MHz, the maximum grid dissipation power is 500W.
Mainly used for B-class RF amplifier or C-class power amplifier, when gird grounded, it could achieve a power gain of 20db.
The triodes FU-3203F & 3CX20000A7 are equivalents, could replace each other in application.

General characteristics
Filament voltage…………………………………………6.3 V
Filament current…………………………………………160 A
Amplification factor……………………………………200
Interelectrode capacitance
(cathode grounded)
   Input………………………………………………………61 pF
   Feedback ………………………………………………0.2 pF
   Output……………………………………………………36 pF
Mounting………………………Vertical, plate up or down
Height (max.)………………………………………………216 mm
Diameter (max.) …………………………………………210 mm
Weight……………………………………………………8 KG, approx.
Cooling ……………………………………………………Forced air
Temperature @Ceramic/Metal seals…(max.) 250℃

MAXIMUM RATING

Plate voltage……………………………………………………8 KV
Plate current……………………………………………………6 A
Plate dissipation……………………………………………15 KW
Gird dissipation………………………………………………500 W

TYPICAL OPERATING
Filament voltage……………………………………………6.3 V
Plate voltage…………………………………………………7 KV
Plate current…………………………………………………4.55 A
Driving power………………………………………………2600 W
Plate dissipation……………………………………………6.3 KW
Plate output power………………………………………25.5 KW

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.

For Bulk order:
If you would like to place a bulk order, please contact us for better price and better delivery cost.