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Teledyne Relays Announces New SGRF424 4PST Relay Series
New Magnetic Latching SGRF424/SGRF424D Relay with Signal Integrity Performance Measured up to 10Gbps

Hawthorne, CA, April 2013: Teledyne Relays introduces the SGRF424/SGRF424D family!
The SGRF424 series relay is an ultraminiature, hermetically sealed, magnetic-latching relay featuring low intercontact capacitance for exceptional RF performance from DC-8 GHz. The SGRF424/SGRF424D relays feature a unique ground shield that isolates and shields each lead to ensure excellent contact-to-contact and pole-to-pole isolation. This ground shield provides a ground interface which results in improved high-frequency performance as well as parametric repeatability. Its low profile and small size make it ideal for applications where extreme packaging density and/or close PC board spacing are required. Due to its minimal mass, many relays may be used to configure replacements for bulkier switching solutions at a substantial savings in weight. These design features make these unique relays the perfect choice for use in RF attenuators, RF switching matrices and other RF applications requiring low insertion loss and low VSWR. The basic operating mechanism is similar to the TO-5 422 series relay.

The SGRF424/SGRF424D feature: high repeatability, broader bandwidth, metal enclosures for EMI shielding, high isolation between control and signal paths and high resistance to ESD.The SGRF424 relay is ideally suited for applications where power dissipation must be minimized. The relays can be operated with a short duration pulse. After the contacts have transferred, no external holding power is required. The magnetic latching feature of the SGRF424 series provides a nonvolatile "memory" capability since the relays will not reset upon removal of coil power. The 424D series utilizes discrete diodes for coil suppression.

The SGRF424/SGRF424D is available with J-leads or stub pins and solder coated leads, gold plated leads (RoHS compliant) and RoHS compliant solder.

The SGRF424/SGRF424D Series measures .370 x .325 x .335 inches (9.4, 8.26, 8.51 cm) excluding leads and weighs .1 ounce (2.9g).

For more information, call (800) 284-7007, visit or send e-mail to

For the latest news releases, visit For the latest data sheets, visit

Teledyne Relays, a Unit of Teledyne Technologies Inc., has been the world's innovative leader in manufacturing ultraminiature, hermetically sealed, electromechanical and solid-state switching products for nearly 50 years. The company's comprehensive product line meets a wide range of requirements for industrial, commercial, military and aerospace uses.

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Tyler Burger
Marketing Specialist
Phone: (323) 241-1206
Fax: (323) 241-1287

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