RI-48B Coto Technology, RI-48B Datasheet

RI-48B

Manufacturer Part Number

RI-48B

Description

SWITCH MAGNETIC 1A 24-51AT

Manufacturer

Coto Technology

Series

RI-48r

Type

Glass Bodyr

Datasheet

1.RI-48C.pdf (2 pages)

Specifications of RI-48B

Circuit

SPST-NO

Must Operate

24 ~ 51AT

Must Release

13 ~ 27AT

Switching Current (dc) (max)

Switching Voltage (dc) (max)

200V

Switching Power (max)

70W

Magnet

Not Specified

Mounting Type

Non-Standard (Axial)

Termination Style

Axial (2 Leads)

Switch Type

Dry-Reed

Contact Form

SPST - NO

Contact Rating

1000 mAmps

Magnet Type

Electromagnet

Operate Range

24 At to 51 At

Lead Free Status / RoHS Status

Lead free / RoHS Compliant

Other names

306-1103
RI48B

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General data for all models RI-48

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-48 series.

No-load conditions (operating frequency: 100 Hz)

Life expectancy: min. 10

of less than 10

End of life criteria:

Contact resistance > 1Ω after 2 ms

Release time > 2 ms (latching or contact sticking).

RI-48 Series Dry Reed Switch

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

-9

with a confidence level of 90%.

operations with a failure rate

RI-48 Series

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 electromagnet, a perma-

nent magnet or a combination of both.

The device is intended for use in relays for switching power loads and

high stand-off voltage applications.

RI-48 Series Features

Perfect heavy load switch

Can handle loads up to 70 Watts

Excellent life expectancy and reliability

Contact layers: gold, sputtered ruthenium

Superior glass-to-metal seal and blade alignment

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

operating frequency: 125 Hz)

RI-48AA

Life expectancy: min. 10

of less than 10

End of life criteria:

RI-48A; RI-48B; RI-48C

Life expectancy: min. 2.5 x 10

rate of less than 10

End of life criteria:

Loaded conditions (resistive load: 100 V-700 mA;

operating frequency: 20 Hz)

RI-48B; RI-48C

Life expectancy: min. 3x10

rate of less than 10

Contact resistance > 2Ω after 2.5 ms

Release time > 2.5 ms (latching or contact sticking).

Contact resistance > 2Ω after 2.5 ms

Release time > 2.5 ms (latching or contact sticking).

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

-8

with a confidence level of 90%.

Dimensions in inches (mm)

-8

-6

with a confidence level of 90%.

operations with a failure rate

operations with a failure

Related parts for RI-48B

RI-48B Summary of contents

Page 1

... End of life criteria: Contact resistance > 2Ω after 2.5 ms Release time > 2.5 ms (latching or contact sticking). RI-48A; RI-48B; RI-48C Life expectancy: min. 2 rate of less than 10 End of life criteria: Contact resistance > 2Ω after 2.5 ms Release time > 2.5 ms (latching or contact sticking). ...

Page 2

... For more information contact your nearest Coto Technology sales office. 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 3.5 ±0.5 s. Solderability is tested in accordance with “IEC 68-2-20”, test Ta, method 3: solder globule temperature 235° ...

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