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Revised: 10/30/20

Specifications are subject to change without notice.

Axial Lead Reed Switches

Low Power > MITI-7

MITI-7 7mm Ultra-Miniature Reed Switch

Description

The MITI-7 ultra-miniature reed switch is a normally open switch with a 7mm x

1.8mm (0.276” x 0.071”) glass envelope, which is capable of switching 170Vdc at

10W. It has a sensitivity range of 6-20 AT. It has a high insulation resistance of

The MITI-7 is also available in a surface mount version, that is, MISM-7.

Agency Approvals

Agency

Agency File Number

Ampere-Turns Range

E47258

6-20 AT

Switch Type

Contact Form

A (SPST-NO)

Materials

Body: Glass

Leads: Tin Plated Nickel Iron

Features

• Ultra-miniature, normally

open switch

• Capable of switching 170Vdc or

0.25A at up to 10W

• Available sensitivity range 6-20 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

• RoHS Compliant

Applications

• Position Sensing

• Security

• Meter Equipment

• Industrial Controls

• Office Equipment

• Telecoms

Dimensions

Dimensions in mm

Electrical Ratings

-

Watt - max.

10

Vdc - max.

Vac - max.

Vdc - min.

170

120

175

Carry

Adc - max.

Aac - max.

Adc - max.

0.25

0.18

0.50

Resistance

Contact, Initial

Insulation

Ω - max.

Ω - min.

0.20

Capacitance

Contact

pF - typ.

0.3

Temperature

Operating

°C

°C

-40 to +125

-65 to +125

RoHS

20.19 REF.

(.795)

1.80 MAX.

(.071)

40.38 NOM.

(1.590)

15.20 MIN.

(.598)

7.00 MAX.

(.276)

0.38 DIA. REF.

(.015)

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.

Note: Contact Littelfuse for specific agency approval ratings.