RI-27AAA

RI-27AAA Datasheet

RI-27 Series Dry Reed Switch

Part	Datasheet
RI-27AAA	RI-27AAA (pdf)

Related Parts	Information
RI-27AA	RI-27AA
RI-27A	RI-27A

PDF Datasheet Preview
RI-27 Series Dry Reed Switch RI-27 Series Pico 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 electromagnet, a permanent magnet or a combination of both. The device is intended for use in relays, sensors, pulse counters or similar devices. RI-27 Series Features Ideal for ATE switching Contact layers gold, sputtered ruthenium Superior glass-to-metal seal and blade alignment Excellent life expectancy and reliability General data for all models RI-27 Dimensions in inches mm 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 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 times the published maximum operate value for each type in the RI-27 series. RI-27AAA Life expectancy min. 2 x 107operations with a failure rate of less than 10-8 with a confidence level of End of life criteria Contact resistance > after ms Release time > 1 ms latching or contact sticking . RI-27AA RI-27A Life expectancy min. 5x107 operations with a failure rate of less than 0.5x10-8 with a confidence level of End of life criteria Contact resistance after ms Release time >1 ms latching or contact sticking . No-load conditions operating frequency 100 Hz Life expectancy min. 109 operations with a failure rate of less than 2x10-10 with a confidence level of End of life criteria Contact resistance > after 2 ms Release time > 2ms latching or contact sticking . Loaded conditions resistive load 5 V 100 mA operating frequency 125 Hz Loaded conditions resistive load 12 V 4 mA 15 mA peak operating frequency 170 Hz RI-27AAA Not applicable. RI-27AA RI-27A Life expectancy min. 45 x 106 operations tested up to 50 x 106 operations . 104 COTO TECHNOLOGY USA Tel 401 943-2686 / Fax 401 942-0920 6 Europe Tel +31-45-5439343 / Fax +31-45-5427216 RI-27 Series Dry Reed Switch End of life criteria Contact resistance > after 4 ms Release time > ms latching or contact sticking . Switching different loads involves different life expectancy and reliability data. Further information is available on request. Mechanical Data Contact arrangement is normally open lead finish is tinned net mass is approximately 100 mg and can be mounted in any position. Mechanical Strength The robustness of the terminations is tested in accordance with “IEC 68-2-21”, test Ua1 load 10 N . Operating and Storage Temperature Operating ambient temperature min -55°C max +125°C. Storage temperature min -55°C max +125°C. Note Temperature excursions up to 150°C may be permissible. For more information contact your nearest Coto Technology sales office. Shock RI-27AA RI-27A The switches are tested in accordance with “IEC 68-227”, test Ea peak acceleration 150 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. Soldering The switch can withstand soldering heat in accordance with “IEC 68-2-20”, test Tb, method 1B solder bath at 350 ±10° C for s. Solderability is tested in accordance with “IEC 68-2-20” test Ta, method 3 solder globule temperature 235°C ageing 1b 4 hours steam. Vibration The switches are tested in accordance with “IEC 68-26”, test Fc acceleration 10 G below cross-over frequency 57 to 62 Hz amplitude mm frequency range 10 to 2000 Hz, duration 90 minutes . Such a vibration will not cause an open switch no magnetic field present to close, nor a switch kept closed by an 80 AT coil to open. Welding The leads can be welded Mounting The leads should not be bent closer than 1 mm to the glass-to-metal seals. Stress on the seals should be avoided. Care must be taken to prevent stray magnetic fields from influencing the operating and measuring conditions. For Most Recent Data, Consult the Coto Technology Website 6 E-mail:

PDF Datasheet Preview

RI-27 Series Dry Reed Switch

RI-27 Series Pico 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 electromagnet, a permanent magnet or a combination of both.

The device is intended for use in relays, sensors, pulse counters or similar devices.

RI-27 Series Features Ideal for ATE switching Contact layers gold, sputtered ruthenium Superior glass-to-metal seal and blade alignment Excellent life expectancy and reliability

General data for all models RI-27

Dimensions in inches mm

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 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 times the published maximum operate value for each type in the RI-27 series.

RI-27AAA Life expectancy min. 2 x 107operations with a failure rate of less than 10-8 with a confidence level of

End of life criteria Contact resistance > after ms Release time > 1 ms latching or contact sticking .

RI-27AA RI-27A Life expectancy min. 5x107 operations with a failure rate of less than 0.5x10-8 with a confidence level of

End of life criteria Contact resistance after ms Release time >1 ms latching or contact sticking .

No-load conditions operating frequency 100 Hz Life expectancy min. 109 operations with a failure rate of less than 2x10-10 with a confidence level of

End of life criteria Contact resistance > after 2 ms Release time > 2ms latching or contact sticking .

Loaded conditions resistive load 5 V 100 mA operating frequency 125 Hz

Loaded conditions resistive load 12 V 4 mA 15 mA peak operating frequency 170 Hz

RI-27AAA Not applicable. RI-27AA RI-27A

Life expectancy min. 45 x 106 operations tested up to 50 x 106 operations .
104 COTO TECHNOLOGY USA Tel 401 943-2686 / Fax 401 942-0920 6 Europe Tel +31-45-5439343 / Fax +31-45-5427216

RI-27 Series Dry Reed Switch

End of life criteria Contact resistance > after 4 ms Release time > ms latching or contact sticking .

Switching different loads involves different life expectancy and reliability data. Further information is available on request.

Mechanical Data Contact arrangement is normally open lead finish is tinned net mass is approximately 100 mg and can be mounted in any position.

Mechanical Strength The robustness of the terminations is tested in accordance with “IEC 68-2-21”, test Ua1 load 10 N .

Operating and Storage Temperature Operating ambient temperature min -55°C max +125°C. Storage temperature min -55°C max +125°C. Note Temperature excursions up to 150°C may be permissible. For more information contact your nearest Coto Technology sales office.

Shock

RI-27AA RI-27A

The switches are tested in accordance with “IEC 68-227”, test Ea peak acceleration 150 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.

Soldering

The switch can withstand soldering heat in accordance with “IEC 68-2-20”, test Tb, method 1B solder bath at 350 ±10° C for s. Solderability is tested in accordance with “IEC 68-2-20” test Ta, method 3 solder globule temperature 235°C ageing 1b 4 hours steam.

Vibration

The switches are tested in accordance with “IEC 68-26”, test Fc acceleration 10 G below cross-over frequency 57 to 62 Hz amplitude mm frequency range 10 to 2000 Hz, duration 90 minutes . Such a vibration will not cause an open switch no magnetic field present to close, nor a switch kept closed by an 80 AT coil to open.

Welding The leads can be welded

Mounting The leads should not be bent closer than 1 mm to the glass-to-metal seals. Stress on the seals should be avoided. Care must be taken to prevent stray magnetic fields from influencing the operating and measuring conditions.

For Most Recent Data, Consult the Coto Technology Website 6 E-mail:

Notice: we do not provide any warranties that information, datasheets, application notes, circuit diagrams, or software stored on this website are up-to-date or error free. The archived RI-27AAA Datasheet file may be downloaded here without warranties.

Datasheet ID: RI-27AAA 506924