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RI-26A Datasheet(PDF) 1 Page - Coto Technology |
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RI-26A Datasheet(HTML) 1 Page - Coto Technology |
1 / 2 page 114 COTO TECHNOLOGY (USA) Tel: (401) 943-2686 / Fax (401) 942-0920 6 (Europe) Tel: +31-45-5439343 / Fax +31-45-5427216 RI-26 Series Dry Reed Switch RI-26 Series Close differential micro dry-reed switch hermetically sealed in a gas-filled glass envelope. Single-pole, single-throw (SPST) type, having normally open contacts, and containing two magnetically actuated reeds. The switch is of the double-ended type and may be actuated by an electro- magnet, a permanent magnet or a combination of both. The device is intended for use in applications with small hysteresis in switching behavior. RI-26 Series Features Close differential reed switch Contact layers: gold, sputtered ruthenium Superior glass-to-metal seal and blade alignment Excellent life expectancy and reliability General data for all models RI-26 AT-Customization / Preformed Leads Besides the standard models, customized products can also be supplied offering the following options: ! Operate and release ranges to customer specification ! Cropped and/or preformed leads Coils All characteristics are measured using the Philips Standard Coil. For definitions of the Philips Standard Coil, refer to “ Application Notes” in the Reed Switch Technical & Application Information Section of this catalog. Life expectancy and reliability The life expectancy data given below are valid for a coil energized at 1.5 times the published maximum operate value for each type in the RI-26 series. No-load conditions (operating frequency: 100 Hz) Life expectancy: min. 3x108 operations with a failure rate of less than 0.9x10-9 with a confidence level of 90%. End of life criteria: Contact resistance > 1 Ω after 2ms Release time > 2ms (latching or contact sticking). Loaded conditions (resistive load: 20 V; 500 mA; operating frequency: 125 Hz) Life expectancy: min. 5x107 operations with a failure rate of less than 5x10-9 with a confidence level of 90%. End of life criteria: Contact resistance > 2 Ω after 2.5 ms Release time > 2.5 ms (latching or contact sticking). Switching different loads involves different life expect- ancy and reliability data. Further information is avail- able on request. Mechanical Data Contact arrangement is normally open; lead finish is tinned; net mass is approximately 190 mg; and can be mounted in any position. Shock The switches are tested in accordance with “IEC 68-2- 27”, test Ea (peak acceleration 50 G, half sinewave; duration 11 ms). Such a shock will not cause an open switch (no magnetic field present) to close, nor a switch kept closed by an 80 AT coil to open. Dimensions in inches (mm) |
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