RI-08 Series Micro dry-reed switch hermetically sealed gas-filled glas
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RI-08 Series Reed Switch
RI-08 Series Micro dry-reed switch hermetically sealed gas-filled glass envelope. Single-pole, single-throw (SPST) type, having normally open contacts, containing magnetically actuated reeds.
switch double-ended type actuated electromagnet, permanent magnet combination both. device intended sensors, relays, pulse counters similar devices.
RI-08 Series Features switch main voltage handle load Contact layers: Ruthenium gold Superior glass-to-metal seal blade alignment
Dimensions inches (mm)
General data models RI-08
AT-Customization Preformed Leads Loaded conditions (resistive load: operating frequency: RI-08AA
Besides standard models, customized products also supplied offering following options: Operate release ranges customer specification Cropped and/or preformed leads
Coils
Life expectancy: min. operations. characteristics measured using Philips Standard Coil. definitions Philips Standard Coil, refer "Application Notes" Reed Switch Technical Application Information Section this catalog.
Life expectancy reliability
life criteria: Contact resistance after Release time (latching contact sticking). Switching different loads involves different life expectancy reliability data. Further information available request.
Mechanical Data
life expectancy data given below valid coil energized times published maximum operate value each type RI-08 series.
No-load conditions (operating frequency:
Contact arrangement normally open; lead finish tinned; mass approximately mounted position.
Shock
Life expectancy: min. operations with failure rate less than 10-9 with confidence level 90%. life criteria: Contact resistance after Release time (latching contact sticking). COTO TECHNOLOGY (USA) Tel: (401) 943-2686 (401)
switches tested accordance with "IEC 68-2-27", test (peak acceleration half sinewave; duration ms). Such shock will cause open switch magnetic field present) close,
942-0920 (Europe) Tel: +31-45-5439343 +31-45-5427216
RI-08 Series Reed Switch
Model Number Parameters Operating Characteristics
Operate Range Release Range Operate Time including bounce (typ.) Bounce Time (typ.) Release Time (max) Resonant Frequency (typ.) 10.5-19 4-12 0.35 (24AT) 0.15 (24AT) (24AT) 3200 15-28 5-16 0.35 (35AT) 0.15 (35AT) (35AT) 3200 24-51 8-20.5 0.35 (64AT) 0.15 (64AT) (64AT) 3200 RI-08AA RI-08A RI-08B
Test Conditions
Units
(energization) (energization) (energization)
Electrical Characteristics
Switched Power (max) Switched Voltage (max) Switched Voltage value (max) Switched Current (max) Switched Current value (max) Carry Current (max) Breakdown Voltage (min) Contact Resistance (initial max) Contact Resistance (initial typ.) Contact Capacitance (max) Insulation Resistance (min) 1.75 0.20 1000 1000 2.25 (27AT) 0.20 1000 1000 0.20 x106
(energization) (energization) without test coil
switch kept closed coil open.
Vibration
Soldering
switches tested accordance with "IEC 68-2-6", test (acceleration below cross-over frequency amplitude 0.75 frequency range 2000 duration minutes). Such vibration will cause open switch magnetic field present) close, switch kept closed coil open.
Mechanical Strength
switch withstand soldering heat accordance with "IEC 68-2-20", test method solder bath ±10°C ±0.5 Solderability tested accordance with "IEC 68-2-20", test method solder globule temperature 235°C; ageing hours steam.
Welding
leads welded.
Mounting
robustness terminations tested accordance with "IEC 68-2-21", test (load
Operating Storage Temperature
Operating ambient temperature; min: -55°C; max: +125°C. Storage temperature; min: -55°C; max: +125°C. Note: Temperature excursions 150°C permissible. more information contact your nearest Coto Technology sales office.
leads should bent closer than glass-to-metal seals. Stress seals should avoided. Care must taken prevent stray magnetic fields from influencing operating measuring conditions.
Most Recent Data, Consult Coto Technology Website: www.cotorelay.com
E-mail: info@cotorelay.com
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