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Specifications are subject to change without notice.

MITI-3V1 7mm Ultra-Miniature Reed Switch

Description

The MITI-3V1 ultra-miniature reed switch is a normally open switch with a

7.00mm long x 1.80mm diameter (0.276” x 0.071”) glass envelope, which is

capable of switching 170Vdc at 10W. It has a high insulation resistance of 10¹²

ohms minimum and low contact resistance of less than 150 milliohms.

The MITI-3V1 is also available in a surface mount version, that is, MISM-3V1.

Agency Approvals

Agency

Agency File Number

Ampere-Turns Range

E47258

E471070

6-10 AT

DEMKO 14 ATEX 1393U

6-10 AT

Switch Type

Contact Form

A (SPST-NO)

Materials

Body: Glass

Leads: Tin Plated Nickel Iron

Axial Lead Reed Switches

Features

• Ultra-miniature, normally

open switch

• Capable of switching 170Vdc or

0.25A at up to 10W

• Available sensitivity range 6-10 AT

Benefits

• Hermetically sealed switch contacts

are not affected by and have no

effect on their external environment

• Very low space requirement

• Zero operating power required for

contact closure

• Excellent for switching micro-

controller logic level loads

Applications

• Reed relays

• Security

• Metering

• Mobile phones

Dimensions

Dimensions in mm

Electrical Ratings

Watt - max.

10

Vdc - max.

Vdc - min.

170

175

Carry

A - max.

A - max.

0.25

0.5

Resistance

Contact, Initial

Insulation

Ω - max.

Ω - min.

0.15

Capacitance

Contact

pF - typ.

0.3

Temperature

Operating

°C

°C

-40 to +125

-65 to +125

Low Power > MITI-3V1

RoHS

23.00

(.906) REF.

1.80

(.071) MAX.

46.00

(1.811) NOM.

7.00

(.276) MAX.

0.38

(.015) DIA. REF.

CL OF OVERLAP

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

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.