Reed Relay High Voltage Relays
Last Updated: April 1, 2025
Description
Reed Relay High Voltage Relays are devices that facilitate the switching of high voltages within electrical circuits. They consist of a reed switch enclosed in a solenoid, which allows them to control the flow of electricity by opening and closing the circuit. These relays are designed to handle high voltage levels, making them suitable for applications that require reliable and efficient electrical switching.
Working Principle
Reed Relay High Voltage Relays operate by using a magnetic field generated by a solenoid to actuate a reed switch. The reed switch is composed of ferromagnetic blades sealed within a glass or ceramic tube, which protects it from environmental factors. When the solenoid is energized, the magnetic field causes the reeds to come together, closing the circuit and allowing current to flow. This mechanism is beneficial because it provides fast switching capabilities and requires minimal power from the control circuit. The reliability and stable contact resistance of reed relays make them particularly useful for applications requiring high accuracy and low signal levels.
Applications
Reed Relay High Voltage Relays are commonly used in automated test equipment, where they switch up to 1000 volts and have a dielectric strength of 3000 volts minimum . They are also employed in semiconductor testing, where their fast operate and release times make them suitable for high-speed test systems . Additionally, these relays are used in industrial applications where precise and reliable high voltage switching is necessary.
Advantages over other High Voltage Relays
Reed relays offer several advantages over other types of high voltage relays. They provide very stable contact resistance, making them ideal for applications requiring high accuracy . Their reliability is notable, with instrumentation-grade reed relays offering a lifetime of up to 1x10^8 operations . Furthermore, they are capable of fast switching and require very little power from the control circuit .
Limitations
Despite their advantages, reed relays have some limitations. They may require more frequent maintenance due to the possibility of magnetized reeds sticking in the "on" position . Additionally, their hot switching specifications are not as robust as those of other relay types .
Considerations
When considering the use of Reed Relay High Voltage Relays, it is important to evaluate factors such as initial costs, operating expenses, and durability. Reed relays tend to cost more than other types of relays . However, their long operational life and reliability can offset these initial costs over time. Maintenance and replacement costs should also be considered, especially given the potential for reeds to stick and require servicing. The accuracy and stable contact resistance of reed relays make them a valuable choice for applications where precision is critical.
from RS Components, Ltd.
High voltage SPNO pcb reed relay, 5Vdc [See More]
- Isolation Method: Reed Relay
- DC Power: 50
- Poles: Single Pole (SP)
- Mounting: PCBoard; Pcb mount
from Churod Americas, Inc.
0.1A@1000VDC; SPST-NO; Reed relay [See More]
- Isolation Method: Reed Relay
- Maximum Switching Current: 1.00
- DC Voltage: 1000
- Poles: Single Pole (SP)
from ASAP Semiconductor LLC
High Voltage Relays; S02DNA135=RELAY, VACUUM, REED, ( Kilovac ) [See More]
- Isolation Method: Reed Relay
- Mounting: PCBoard
from RS Components, Ltd.
High voltage SPNO pcb reed relay, 12Vdc [See More]
- Isolation Method: Reed Relay
- DC Power: 50
- Poles: Single Pole (SP)
- Mounting: PCBoard; Pcb mount
from RS Components, Ltd.
High voltage SPNO pcb reed relay, 24Vdc [See More]
- Isolation Method: Reed Relay
- DC Power: 50
- Poles: Single Pole (SP)
- Mounting: PCBoard; Pcb mount
from RS Components, Ltd.
High voltage SPNC pcb reed relay, 5Vdc [See More]
- Isolation Method: Reed Relay
- DC Power: 50
- Poles: Single Pole (SP)
- Mounting: PCBoard; Pcb mount
from RS Components, Ltd.
High voltage SPNC pcb reed relay, 24Vdc [See More]
- Isolation Method: Reed Relay
- DC Power: 50
- Poles: Single Pole (SP)
- Mounting: Panel; Panel mount
from RS Components, Ltd.
Relay reed high voltage 12V 4kV Isolate [See More]
- Isolation Method: Reed Relay
- Throw: Single Throw
- Poles: Single Pole (SP)
- Mounting: PCBoard; Pcb mount
from RS Components, Ltd.
Relay reed high voltage 24V 4kV Isolate [See More]
- Isolation Method: Reed Relay
- Throw: Single Throw
- Poles: Single Pole (SP)
- Mounting: PCBoard; Pcb mount
from Pickering Electronics
The Series 104 is a range of Single-In-Line reed relays intended for voltages that are beyond the capabilities of conventional SIL reed relays. They are ideal for such applications as transformer or cable testing or any other automatic test equipment where high voltages are involved. Where mains... [See More]
- Isolation Method: Reed Relay
- Maximum Switching Current: 0.50
- DC Voltage: 500
- Poles: Single Pole (SP)
from Coto Technology
The 5500 Series High Voltage Reed Relays are ideally suited to the needs of Instrumentation, Industrial Process Controls and General Purpose requirements. The specification tables allow you to select the appropriate relay for your particular application. Applications include medical and hipot test... [See More]
- Isolation Method: Reed Relay
- Isolation Voltage: 10
- DC Voltage: 7500
- Maximum Switching Current: 3.00
from Radwell International
HIGH VOLTAGE SIP REED RELAY. FREE 2 YEAR RADWELL WARRANTY [See More]
- Isolation Method: Reed Relay
from Coto Technology
Molded SIP relays are the industry standard when high reliability and consistent performance are desired in a compact package. The 9104 Series adds high voltage switching capability and high voltage standoff capability to a SIP relay package. These high voltage, high performance relays are ideally... [See More]
- Isolation Method: Reed Relay
- Isolation Voltage: 3
- DC Voltage: 1000
- Maximum Switching Current: 0.50