Datasheet > MRPR-8-37-43

MRPR-8-37-43

更新时间： 2024-11-06 14:56:39

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力特 - LITTELFUSE		/
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MRPR-8-37-43 数据手册

Axial Lead Reed Switches

Low Power > MRPR-8

MRPR-8 20.3mm Miniature High Voltage Reed Switch

OBSOLETE:

Date: April 28, 2016

RoHS

Replacement Series: MRPR-20 Series

PCN#: (Sorry i can;t recall this already)

Description

The MRPR-8 Reed Switch is a miniature, normally open switch with a 20.32mm

long x 2.84mm diameter (0.800” x 0.112”) glass envelope, capable of high

voltage and power switching of 265Vac at 50VA. The MRPR-8 has high

insulation resistance of 10¹⁰ohms minimum and contact resistance less than

100 milli-ohms.

Features

• Miniature normally open switch

• Capable of switching 265Vac or

1.0A at up to 50W/VA

• Available sensitivity range

22-43 AT

• Minimum voltage breakdown

750Vdc

Benefits

Agency Approvals

• Hermetically sealed switch

contacts are not affected by and

have no effect on their external

environment

• Zero operating power required

for contact

Agency

Agency File Number

Ampere-Turns Range

E47258

E471070

22-43 AT

DEMKO 14 ATEX 1393U

Applications

• Reed relays (suitable for switching

European mains voltage)

• Limit switching

• Telecoms line switching

• White goods applications

• European mains voltage switching

Dimensions

Dimensions in mm (inch)

0.63

(.025) DIA. REF.

CL OF OVERLAP

Switch Type

28.32

(1.115) REF.

2.84

(.112) MAX.

Contact Form

A (SPST-NO)

Body: Glass

Leads: Tin-plated Ni-Fe wire

Materials

18.16

(.715) MAX.

20.32

(.800) MAX.

Note: SPST-NO = Single-pole, single-throw, normally open

56.64

(2.230) NOM.

Electrical Ratings

Contact Rating ¹

W/VA - max.

Switching ²

Vdc - max.

Vac - max.

Vdc - min.

250

265

750

Voltage ³

Current ³

Breakdown ⁴

Switching ²

Adc - max.

Aac - max.

Adc - max.

1.0

0.7

2.5

Carry

Contact, Initial

Insulation

Ω - max.

Ω - min.

0.100

10¹⁰

Resistance

Capacitance

Temperature

Contact

pF - typ.

0.2

Operating

Storage ⁵

°C

-20 to +125

-65 to +125

Notes:

1. Contact rating - Product of the switching voltage and current should never exceed the wattage rating. Contact Littelfuse for additional load/life information.

2. When switching inductive and/or capacitive loads, the effects of transient voltages and/or currents should be considered. Refer to Application Notes AN108A and AN107 for details.

3. Electrical Load Life Expectancy - Contact Littelfuse with voltage, current values along with type of load.

4. Breakdown Voltage - per MIL-STD-202, Method 301.

5. Storage Temperature - Long time exposure at elevated temperature may degrade solderability of the leads.

littelfuse.com

Speciﬁcations are subject to change without notice.

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