5VDC SPDT Dual In-Line Package (DIP) Dry Reed Relay.The primary electrical function of this component is to provide high-speed, low-power physical signal switching with complete galvanic isolation between low-voltage microprocessors and external signal loops.The device features a Form C (SPDT - Single Pole Double Throw) contact configuration, meaning it features an internal mechanical wiper that toggles between a Normally Open (NO) and a Normally Closed (NC) contact.The internal electromagnetic activation coil operates on a nominal input potential of 5V DC.The electrical switching contacts are hermetically sealed inside a miniature glass capsule filled with an inert gas, protecting the contact surfaces from atmospheric oxidation and ensuring a lifespan spanning tens of millions of mechanical cycles.The entire relay is encapsulated in a compact, 14-pin standard DIP footprint matching a standard IC socket configuration, utilizing standard 2.54mm (0.100 inch) pin pitch spacing for seamless insertion onto printed circuit boards (PCBs).Industry Equivalents (Cross-References)The Gordos / Crouzet 847C-4 serves as the primary manufacturer code successor, representing the exact identical physical and electrical design following standard brand formatting updates.The Coto Technology 9007-05-40 is a universally adopted direct industry alternative, matching the 5V coil rating, Form C contact layout, and the 14-pin through-hole DIP footprint.The Hamlin / Littelfuse HE721C0500 functions as a highly reliable cross-reference substitute, mirroring the identical SPDT internal switching logic and pin alignment constraints.The Magnecraft / Schneider Electric W107DIP-7 serves as a secondary standard industrial substitution choice, offering matching contact ratings and coil impedance curves for legacy control systems.History of the ComponentThe lineage of this component belongs to Gordos Corporation (originally Gordos Arkansas), a highly prominent mid-to-late 20th-century manufacturer that specialized in reed switches, mercury-wetted relays, and solid-state input/output modules. Gordos established a dominant industry footprint by mastering the high-precision glass-to-metal sealing techniques required to build ultra-reliable reed switches.During the late 1970s and 1980s, the computing and automated testing industries expanded rapidly. Traditional electromagnetic relays were too bulky, drew too much power, and switched too slowly to interface directly with dense computer architectures. Gordos engineered the 847 series to allow standard digital logic circuits to switch physical contacts instantly without requiring complex external transistor driver networks.Following a series of corporate acquisitions, Gordos was absorbed into Crouzet, which eventually transitioned the specialty switching assets through portfolios managed by modern automation entities. While the original Gordos-branded production runs have been declared obsolete legacy items, the 14-pin Form C DIP reed relay footprint remains an active universal architecture across the electronics component distribution industry.Actual Product Applications (Makes and Models)The Teradyne J273 Linear Test System integrated these Gordos reed relays across its high-density analog pin-matrix boards, using the fast Form C switching speeds to rapidly toggle diagnostic pathways during microchip testing.The GenRad 2270 In-Circuit Test (ICT) Platform utilized these specific 5V DIP modules inside its switching scanner beds to cleanly route high-frequency measurement lines without introducing electrical noise.The Foxboro Spec 200 Industrial Control System regularly employed these hermetically sealed components on its analog input line cards to safely isolate delicate system processing buses from raw industrial field loop fluctuations
Related
Related
Related
Related