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| Place of Origin: | CN |
| Brand Name: | RF PARTS |
| Model Number: | RF-728F |
| Minimum Order Quantity: | 1 |
|---|---|
| Payment Terms: | T/T, Western Union, PayPal |
| Plate Dissipation: | 1.2KW | Maximum Operation Frequency: | -- |
|---|---|---|---|
| Cooling: | Forced Air | Type: | Air-cooled Tetrode |
The RF-728F is a coaxial metal-ceramic tube with forced-air cooling. It is a side-fired oxide cathode with an anode dissipation power of 1.2 kW. It is mainly used for Class A and B linear amplification, audio amplification, and high-frequency amplifier amplification. It is especially suitable for 1.6 kW single sideband transmitters for final stage linear amplification.
| Filament Voltage | 9V |
| Filament Current | (8.5-9)A |
| Plate Dissipation | 1.2KW |
| Maximum operating frequency | -- |
| Cooling | Forced Air |
The electron tube is a device that controls electric current flow in a high vacuum between electrodes to which an electric potential difference has been applied. The type known as a thermionic tube or thermionic valve uses the phenomenon of thermionic emission of electrons from a heated cathode and is used for a number of fundamental electronic functions such as signal amplification and current rectification.
| 4CX250B/7203 | 3CX1000A7 | 4CPW1000KA/9009 | 4CX20.000B | 3CW2500C7/YU-157 | ML-6425F |
| 4CX250B/M - 7203A | 3CX1200A7 | 4CPW1000KB | 4CX3000A | 3CW30,000A7 | ML-6426 |
| 4CX250BC/8957 | 3CX1200D7/YU-121 | 4CPW100KA/Y-841 | 4CX35,000C | 3CW30,000H7 | ML-6426K |
| 4CX250FG/8621 | 3CX1200Z7/YU-181 | 4CPW300,000A/9008 | 3CX2500H3 | 3CW40,000A5 | ML-6427 |
| 4CX250R/7680W | 3CX15,000A7 | 4CW30,000B | 3CX4500F3/YU-108 | 3CW40,000A7 | ML-7480A |
| 4CX3000A/8169 | 3CX1500A7/8877 | 4CX5,000R/8170W | 3CX5000A3 | 3CW5000A7 | ML-7482 |
| 4CX300A/8167 | 3CX20,000A7 | 5CX1500B | 3CX5000H3 | 3CW5000H7 | ML-7560 |
The electron vacuum power tubes are mainly used for broadcast, communications, radar, industrial heating, semiconductor processing, science and medical applications as below
• Induction and dielectric heating
• Steel pipe production
• X-ray spectroscopy
• Television transmission• High Frequency Cylinder Welding
• High-frequency heating
• Vacuum tube amplifier
• Radar scanning
• Radio communications
• Plastic & textile Processing
• Linear accelerator
• RF radio broadcasting
• MRI medical systems
• Semiconductor processing
Contact Person: Miss. Cathy Qu
Tel: +86-574-63301865
