RF Application Rated High Voltage Relays
Last Updated: April 1, 2025
Description
RF Application Rated High Voltage Relays are specialized components designed to handle high voltage levels in radio frequency (RF) applications. These relays are engineered to switch high voltages without sustaining physical damage, ensuring reliable performance in demanding environments. They are built with durable materials to withstand high voltage surges and maintain functionality over extended periods.
Working Principle
High voltage relays operate by using an electromechanical mechanism to open or close contacts, thereby controlling the flow of electricity. In RF applications, these relays are heavily insulated to prevent arcing and ensure that the high voltage does not cause damage to the relay or surrounding components. The dielectric strength of the insulating material is crucial, as it determines the maximum voltage the relay can handle without breakdown. These relays are useful because they can manage high power levels while maintaining signal integrity, which is essential in RF systems.
Applications
RF Application Rated High Voltage Relays are commonly used in aerospace and defense sectors, where they must meet stringent military standards such as MIL-PRF-39016, M83536, and M83726. They are also employed in industrial settings for machine control and in systems that require the switching of high voltage RF signals, such as transmitters and amplifiers.
Advantages over other High Voltage Relays
These relays offer superior insulation and contact life compared to standard high voltage relays, making them ideal for applications that involve high frequency and high voltage. Their ability to withstand multiple kilovolt surges without degradation ensures long-term reliability and performance in critical applications.
Limitations
One limitation of RF Application Rated High Voltage Relays is their dependency on a minimum voltage to switch reliably. If the voltage is too low, the contacts may not be adequately wetted, leading to high resistance and potential failure. Additionally, operating these relays with poor source/load VSWR can degrade their performance, particularly in hot switching scenarios.
Considerations
When selecting RF Application Rated High Voltage Relays, it is important to consider initial costs, which can be higher due to the specialized materials and construction required. Operating expenses may also be influenced by the need for regular maintenance to ensure optimal performance. Durability is a key advantage, as these relays are designed to withstand harsh conditions and high voltage surges. However, accuracy can be affected by improper installation or operation outside specified parameters. Replacement and maintenance costs should be factored into the overall lifecycle cost, as these relays may require specialized handling and testing to maintain their reliability.
from Menlo Microsystems, Inc.
The MM9200 is a high-power SPST micro-mechanical switch. The innovative Ideal Switch technology enables highly reliable micro-mechanical switches capable of carrying high voltage and high current in a small form factor. The MM9200 provides ultra-low on-state resistance and high off-state isolation,... [See More]
- Maximum Switching Current: 10.00
- Resistance: 0
- Features: RF Applications
- Mounting: PCBoard
from GIGAVAC
2 pole, Double Throw for switching between and/or reversing power sources or loads. Completely sealed for years of failure free operation. SF6 gas filled for high energy in-rush switching. Insulated flying leads make connection easy. Custom lengths available. Not position sensitive allowing mounting... [See More]
- AC Voltage: 15000
- Isolation Voltage: 17
- DC Voltage: 15000
- Maximum Switching Current: 10.00
from GIGAVAC
High carry current, 50Adc continuous, in a small package. Low, stable contact resistance minimizes loss in RF circuits. Two mounting styles available, flange or through panel with jam nut. Solder or threaded high voltage connections help make installation easy. User interchangeable coils provide for... [See More]
- AC Voltage: 15000
- Isolation Voltage: 15
- DC Voltage: 15000
- Maximum Switching Current: 50.00
from GIGAVAC
Rugged, high current carry ceramic relay. Carries 30 Amps at 32 MHz. Copper contacts; not designed for power switching. Meets requirements of MIL-R-83725 [See More]
- AC Voltage: 28000
- Isolation Voltage: 30
- DC Voltage: 28000
- Maximum Switching Current: 110.00
from GIGAVAC
Tungsten contacts for power switching. Vacuum dielectric for arc suppression when making or breaking a load. No contact oxidation from arcing [See More]
- AC Voltage: 25000
- Isolation Voltage: 28
- DC Voltage: 25000
- Maximum Switching Current: 65.00
from GIGAVAC
Double Pole Double Throw, DPDT, contact arrangement for maximum circuit design flexibility. Copper contacts provide low contact resistance for increased current carry. Low, stable contact resistance minimizes loss in RF circuits. Threaded high voltage connections for easy installation. User... [See More]
- AC Voltage: 20000
- Isolation Voltage: 20
- DC Voltage: 20000
- Maximum Switching Current: 75.00
from GIGAVAC
Slim design is extremely space efficient in multi-relay applications. RF efficient design offers high power handling in a small package. Durable tungsten contacts for hot load switching. Vacuum dielectric for effective arc quenching when opening under load. Can be mounted and used in any position. [See More]
- AC Voltage: 5000
- Isolation Voltage: 5
- DC Voltage: 5000
- Maximum Switching Current: 30.00
from GIGAVAC
Slim design is extremely space efficient in multi-relay applications. RF efficient design offers high power handling in a small package. Durable tungsten contacts for hot load switching. Vacuum dielectric for effective arc quenching when opening under load. Can be mounted and used in any position. [See More]
- AC Voltage: 5000
- Isolation Voltage: 5
- DC Voltage: 5000
- Maximum Switching Current: 30.00
from GIGAVAC
Smallest size double throw, 5 kV, RF rated relay with it's current ratings. Very low profile, even when wires connected. Vacuum dielectric for low current power switching. Low coil power. Meets or exceeds MIL-R-83725 [See More]
- AC Voltage: 5000
- Isolation Voltage: 5
- DC Voltage: 5000
- Maximum Switching Current: 20.00
from GIGAVAC
Slim design is extremely space efficient in multi-relay applications. RF efficient design offers high power handling in a small package. Durable tungsten contacts for hot load switching. Vacuum dielectric for effective arc quenching when opening under load. Meets or exceeds standards set in... [See More]
- AC Voltage: 8000
- Isolation Voltage: 8
- DC Voltage: 8000
- Maximum Switching Current: 12.00
from GIGAVAC
High carry current, 150 amps continuous, in a small package. Low, stable contact resistance minimizes loss in RF circuits. Threaded high voltage connections help make installation easy. Meets or exceeds standards set in MIL-R-83725 [See More]
- AC Voltage: 25000
- Isolation Voltage: 25
- DC Voltage: 25000
- Maximum Switching Current: 150.00
from GIGAVAC
Latching coils for low power consumption and to ensure relay will remain in last position, even when no voltage is applied to the coil. Unglazed ceramic relay offers true customer design flexibility. Excellent for capacitive discharge and safety dump switch applications. Effectively bounce free... [See More]
- AC Voltage: 35000
- Isolation Voltage: 40
- DC Voltage: 35000
- Maximum Switching Current: 12.00
from GIGAVAC
Low, stable contact resistance minimizes loss in RF circuits. High carry current, 25Adc continuous, in a small package [See More]
- AC Voltage: 3500
- Isolation Voltage: 3.5
- DC Voltage: 3500
- Maximum Switching Current: 25.00
from GIGAVAC
RF efficient design offers high power handling in a small package. PC pins provide the ultimate choice for connectivity and ease of mounting. Vacuum dielectric offers low stable contact resistance. Coil choices of 5, 12 or 24Vdc accommodate virtually any drive circuit [See More]
- AC Voltage: 3000
- Isolation Voltage: 3
- DC Voltage: 3000
- Maximum Switching Current: 2.00
from GIGAVAC
RF efficient design offers high power handling in a small package. High resistance coil means low current requirement for driver circuits. RF screen helps assure interference free operation when relays are mounted side by side. PC pins provide the ultimate choice for connectivity and ease of... [See More]
- AC Voltage: 1500
- Isolation Voltage: 1.5
- DC Voltage: 1500
- Maximum Switching Current: 3.00
from GIGAVAC
RF efficient design offers high power handling in a small package. High voltage solder connections provide additional external isolation from PC boards. Mechanical life of 100 million operations is ideal for high speed, long life RF switching. Vacuum dielectric offers low stable contact resistance [See More]
- AC Voltage: 5000
- Isolation Voltage: 5
- DC Voltage: 5000
- Maximum Switching Current: 8.00