RI-05 Datasheet, PDF (1/2 Pages) Coto Technology – Dry Reed Switch

RI-05 Series Dry Reed Switch
RI-05 Series
Close differential pico dry-reed switch hermetically sealed in a
gas-filled envelope. Single-pole, single-throw (SPST) type, having
normally open contacts, and containing two magnetically actu-
ated 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 sensors, relays, pulse counters
or similar devices.
RI-05 Series Features
Close differential reed switch
Contact layers: ruthenium on gold
Superior glass-to-metal seal and blade alignment
General data for all models RI-05
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 “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-05 series.
No-load conditions (operating frequency: 100 Hz)
Life expectancy: min. 2 x 10⁸ operations with a failure
rate of less than 10^-9 with a confidence level of 90%.
End of life criteria:
Contact resistance > 1Ω after 2ms
Release time > 2ms (latching or contact sticking).
Loaded conditions (resistive load: 12 V; 4 mA;
(15 mA peak); operating frequency: 170 Hz)
Life expectancy: min. 10⁶ operations.
End of life criteria:
Contact resistance > 2Ω after 4ms
Release time > 0.7ms (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.
Shock
The switches are tested in accordance with “IEC 68-
2-27”, 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
128 COTO TECHNOLOGY (USA) Tel: [phone] / Fax [phone] (Europe) Tel: [phone] / Fax [phone]