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MITI-7 Datasheet(PDF) 1 Page - Littelfuse

Part No. MITI-7
Description  7mm Ultra-Miniature Reed Switch
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Maker  LITTELFUSE [Littelfuse]
Homepage  http://www.littelfuse.com
Logo LITTELFUSE - Littelfuse

MITI-7 Datasheet(HTML) 1 Page - Littelfuse

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littelfuse.com
© 2020 Littelfuse
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
109 ohms minimum and low contact resistance of less than 150 milliohms.
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
Contact Rating 1
-
Watt - max.
10
Voltage 3
Switching 2
Breakdown 4
Vdc - max.
Vac - max.
Vdc - min.
170
120
175
Current 3
Switching 2
Carry
Adc - max.
Aac - max.
Adc - max.
0.25
0.18
0.50
Resistance
Contact, Initial
Insulation
Ω - max.
Ω - min.
0.20
109
Capacitance
Contact
pF - typ.
0.3
Temperature
Operating
Storage 5
°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.


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