Datasheet > RI-44

RI-44

更新时间： 2024-09-08 04:08:23

品牌	Logo	应用领域
COTO		开关
页数	文件大小	规格书
2页	196K
描述
Dry Reed Switch

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RI-44 数据手册

RI-44 Series Dry Reed Switch

RI-44 Series

Micro dry-reed switch hermetically sealed in a gas-filled glass enve-

lope. 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 electromag-

net, a permanent magnet or a combination of both.

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

similar devices where high voltages need to be switched.

RI-44 Series Features

ꢀ

High voltage breakdown voltage

Can handle up to 40W load

Contact layers: gold, rhodium

Superior glass-to-metal seal and blade alignment

Excellent life expectancy and reliability

Dimensions in inches (mm)

General data for all models RI-44

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

End of life criteria:

Contact resistance > 2Ω 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

available on request.

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.

Other loads, contact Coto for more detail.

Mechanical Data

Contact arrangement is normally open; lead finish is

tinned; net mass is approximately 280 mg; and can be

mounted in any position.

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-44 series.

Shock

The switches are tested in accordance with “IEC 68-2-

27”, test Ea (peak acceleration 500 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.

Loaded conditions (resistive load: 20 V; 500 mA;

operating frequency: 125 Hz)

Operate Sensitivity > 25AT

MCBF 250M operations

COTO TECHNOLOGY (USA) Tel: (401) 943-2686 / Fax (401) 942-0920

(Europe) Tel: +31-45-5439343 / Fax +31-45-5427216

116

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与RI-44相关器件

型号	品牌	获取价格	描述	数据表
RI-46	RHOPOINT	获取价格	Can handle up to 40 W load / Excellent life expectancy and reliability
RI-46	COTO	获取价格	Dry Reed Switch
RI-46A	RHOPOINT	获取价格	Can handle up to 40 W load / Excellent life expectancy and reliability
RI-46A	COTO	获取价格	Dry Reed Switch
RI-46AA	RHOPOINT	获取价格	Can handle up to 40 W load / Excellent life expectancy and reliability
RI-46AA	COTO	获取价格	Dry Reed Switch
RI-46B	RHOPOINT	获取价格	Can handle up to 40 W load / Excellent life expectancy and reliability
RI-46B	COTO	获取价格	Dry Reed Switch
RI-46C	RHOPOINT	获取价格	Can handle up to 40 W load / Excellent life expectancy and reliability
RI-46C	COTO	获取价格	Dry Reed Switch

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