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SM137A

SCHOTT AG Thermal fuse link SM/A 2A 142°C THT axial

TSM142BFTSM142BF
Manufacturer Part No.
SM137A
Schukat Part No.
TSM142BF
Manufacturer
SCHOTT AG
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840 Pcs. in stock

Planned delivery time
Ø 4 Weeks
Life Cycle Status
The life cycle indicates which market phase the item is in. We distinguish between: • Active (green) • NRND = Not Recommended for New Designs (yellow) • LTB = Last Time Buy (yellow) • EOL = End of Life (red)
Active
Available (from stock)
Replacement / Follow-up View entire series
Data Sheet
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ECAD Model
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Prices

Manufacturer bundle 500 Pcs.
Manufacturer's packaging unit (Mfr. PU) means the smallest original packaging unit of the manufacturer.
Price per 1 Pcs.

Quantity and Options

(at least 10 or multiple of 10)
All prices net plus VAT. We do not deliver to private customers.

Fact Sheet

Type
Temperature fuse
Series
SM/A
Rated current
2 A
Rated voltage V AC
250 V AC
Nominal temperature
142 °C
Switch-off temperature, min.
135 °C
Switch-off temperature, max.
140 °C
RoHS-Conform

Specifications

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General

Manufacturer
  • SCHOTT AG
Series
  • SM/A
Type
  • Temperature fuse
Product group
  • E1113
Assembly
  • axial
Fastening
  • THT
Applications
  • For monitoring and controlling atmospheric temperatures in electrical apparatus and devices of all kinds.
Housing material
  • Ceramics
Labelling
  • Brand name, part number, factory code, lot number, rated functioning temperature, rated current, CCC mark, PSE mark, inspection name
Termination Style
  • Solder connection
Connection wires-Ø
  • 0.6 mm
Features

  • The SM type uses a fusible alloy in a ceramic housing. Because ceramic is an insulator, the SM type can be mounted directly wherever temperature sensing is required.

    This device is intended solely for use as a thermal switch. The thermal switch is designed to detect abnormal temperature increases and interrupt electrical circuits when necessary. It is not a fuse that dissipates overcurrent. If the thermal switch is used as a fuse, it may malfunction.

Application note
  • This device is not intended for use in aerospace installations, aircraft, nuclear reactor control systems, life support systems, engine controls, or safety-related equipment of means of transportation. It is intended for use in household appliances, office automation equipment, audio and video equipment, computer communication equipment, test and measurement equipment, personal electronic devices, and means of transportation (excluding engine controls). To achieve optimal performance of these thermal protection devices, please refer to the information in the 'Design' section on page 20 of the datasheet. This section describes points to consider during the design, installation, and storage of SEFUSE® thermal bridges.

Dimensions and Weights

Dimension: Length
  • 85 mm
Diameter
  • 2.5 mm

Technical Features

Rated current
  • 2 A
Rated voltage V AC
  • 250 V AC
Nominal temperature
  • 142 °C
Switch-off temperature, min.
  • 135 °C
Switch-off temperature, max.
  • 140 °C

Safety/Certifications

Approvals
  • CCC
  • KC
  • PSE
  • UL
  • VDE
  • cCSA
  • cUL

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