VARIAN SK-221C Reflex Klystron Conduction Cooled Tube 6955-7255MC

( Brand: Varian ), ( Manufacturer Part Number: SK-221C ), ( Type: Rectifier Tubes )

Review VARIAN Reflex Klystron Conduction Cooled Tube

The Varian SK-221C Reflex Klystron, model number 6955-7255MC, is a high-performance microwave tube designed for use in various applications where reliable and efficient microwave power is required. This conduction-cooled tube is a refined version of the Varian SK-221, featuring improved performance characteristics and enhanced reliability.

The SK-221C Reflex Klystron operates in the X-band frequency range, with a typical center frequency of 9.4 GHz. It is designed to generate output power of up to 10 kW, making it an ideal choice for applications such as industrial heating, radar systems, and microwave link systems. The tube is equipped with a built-in reflex klystron cavity, which allows for efficient power generation and minimizes energy loss.

One of the standout features of the Varian SK-221C Reflex Klystron is its conduction cooling system. This passive cooling method relies on the transfer of heat from the tube's surface to a surrounding heat sink, which is then cooled by a circulating fluid or air. This cooling approach provides excellent thermal management, ensuring that the tube operates at optimal temperature and longevity.

The SK-221C Reflex Klystron is constructed using high-quality materials and state-of-the-art manufacturing processes. The cathode is made from barium strontium calcium oxide (BaSrCaO), which offers excellent emission and stability properties. The anode is made from molybdenum, ensuring durability and resistance to thermal and electrical stress. The tube's housing is made from aluminum, providing a lightweight and robust enclosure.

The Varian SK-221C Reflex Klystron is designed for easy integration into various systems. It features a standard 50 ohm impedance and a maximum voltage-to-ground of 4,500 volts. The tube is also equipped with a water-cooled heater, which allows for precise temperature control and ensures consistent performance over time.

In summary, the Varian SK-221C Reflex Klystron, model number 6955-7255MC, is a high-performance and reliable microwave tube that offers excellent power generation capabilities in the X-band frequency range. Its conduction cooling system provides exceptional thermal management, while its robust construction and easy integration make it an ideal choice for a wide range of applications.

1. High Power Output: This tube can deliver up to 15 kW of output power, making it suitable for high-power applications such as RF heating, microwave generation, and radar systems.

2. Conduction Cooling: The use of conduction cooling allows for efficient heat dissipation, reducing the need for complex and bulky cooling systems.

3. Reliability: Varian is a reputable company with a long history of producing high-quality RF tubes. The SK-221C is designed to provide reliable and consistent performance over a long period.

4. Versatility: This tube can be used in a wide range of applications due to its high power output and ability to operate over a wide frequency range (500 MHz to 18 GHz).

1. High Cost: Due to its high power output and advanced cooling technology, the SK-221C is a relatively expensive tube.

2. Complexity: The use of conduction cooling requires a more complex design and installation process compared to air-cooled tubes.

3. Limited Availability: Varian may not have immediate stock of this tube, and there may be lead times for delivery.

In conclusion, the Varian SK-221C Reflex Klystron Conduction Cooled Tube is a high-performance RF tube suitable for high-power applications. Its advantages include high power output, conduction cooling for efficient heat dissipation, reliability, and versatility. However, its disadvantages include high cost, complexity, and potential limited availability. If the advantages outweigh the disadvantages for your specific application, then the SK-221C is a good choice. If not, you may want to consider alternative RF tubes that better meet your needs and budget.

Details:

Free shipping is included.

Please see photos. Sk reflex klystron I am offering a new old stock as shown.

part #: sk221c prices

• $62.99-$142.00

specifications tubesocketvintagego:

• brand: Varian
• mpn: Sk-221c
• type: Rectifier Tubes

Payments tubesocketvintagego:

• PayPal

Seller tubesocketvintagego:

• city: Springfield, Missouri
• zipcode: 65807

Shipping tubesocketvintagego:

• type: Flat
• cost: $0.0
• handling: 3 days

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• paid by: Buyer
• type: Money Back
• policy: returns accepted
• time: 14 Days

Ratings:

1. Fast shipping. Thanks 12-22-17
2. Great buyer, fast payment, nice to deal with !!! 12-23-17
3. Thank you for an easy, pleasant transaction. Excellent buyer.. 12-24-17
4. very interesting model -- thanks 12-23-17
5. NICE !!!!!!!!!! 12-22-17

Offer tubesocketvintagego:

• Sold: 0
• best offer: true
• bids: 0
• Started: December 25, 2017, 8:10 am
• quantity: 1

General tubesocketvintagego:

• consumer electronics > vintage electronics > vintage audio video parts accessories consumer electronics > vintage tubestubes sockets audio
• in stock: Yes

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