4cx300a Eimac Transmitting Tube

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Product Specifications

Features	High reliability, rugged construction, able to operate at high frequencies
Output	Output Power: Up to 300W
Components	Ceramic body, metal electrodes, external anode fins
Usage	Used in radio transmitters, amplifiers, and industrial RF equipment
IP Rating	Not rated (Industrial/Electronic component)
Power Source	External high-voltage DC supply
Power Supply	External, suitable for high-voltage RF amplifiers
Thermal Conductivity	Uses forced air cooling; effective heat dissipation via anode fins
Interface	Bottom base contact, external anode connection
Input	Maximum grid drive: 6W
Operating Temperature	Up to 250C on anode
Product Type	Metal/Ceramic Electron Tube (Tetrode)
Application	Broadcast, ham radio, industrial RF heating, laboratory testing
Rated Voltage	3000 V (anode)
Supply Voltage	Nominal anode supply: 2000-3000V
Size	Compact, approx. 2.5 in. diameter x 4.1 in. length
Dimension (LWH)	Approx. 65mm x 65mm x 105mm
Function	Transmitting Tube for RF/linear amplifier applications
Color	Metallic Silver/Grey
Weight	Approx. 250g
Thickness	Not specifically defined
Capacity	Grid-Cathode Capacitance: 32 pF
Current Rating	Nominal anode current: 175 mA
Frequency	Up to 110 MHz (VHF)
Payment Terms	Cash in Advance (CID)
Supply Ability	1000 Per Month
Delivery Time	5-7 Days
Main Domestic Market	All India