B57237S0259M000 The TDK EPCOS B57237S0259M000 is an NTC thermistor designed for inrush current limiting applications. It offers a nominal resistance of 2.5 ohms at 25°C.
Mfr Part #:

B57237S0259M000

Available from 2 distributors
Mfr Name: EPCOS
EPCOS
The TDK EPCOS B57237S0259M000 is an NTC thermistor designed for inrush current limiting applications. It offers a nominal resistance of 2.5 ohms at 25°C.
Total Stock: 4,002 pcs
$ Price Range: $0.99

B57237S0259M000 Available from 2 distributors

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4,000 pcs
4000 pcs On Request 1 On Request On Request On Request On Request On Request
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2 pcs
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B57237S0259M000 Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Dissipation Factor
Lead Spacing
Mounting Type
Resistance Tolerance
SVHC Present

B57237S0259M000 Description

Short technical summary and product information.

This NTC thermistor, part number B57237S0259M000 from TDK EPCOS, is specifically designed for inrush current limiting (ICL) in applications such as switch-mode power supplies and soft-start motors.

 

Key electrical specifications include a zero power resistance of 2.5 ohms at 25°C with a tolerance of ±20%. It can handle a maximum steady-state current of 6.5A at 25°C and has a maximum power dissipation of 3.1W at 25°C.

 

Mechanical characteristics include a disc size of 15mm, a lead diameter of 0.8mm, and a lead spacing of 7.5mm. The body dimensions are a maximum height of 7mm, width of 15mm, and length of 22mm. The component features tinned copper wire with a kinked lead style and a flame-retardant coating material rated to UL 94 V-0.

 

Thermal properties include a dissipation factor of approximately 17mW/K and a thermal cooling time constant of approximately 90 seconds in air. The rated temperature is 25°C, and the climatic category is 55/170/21.

B57237S0259M000 Quick Information

Product Type: NTC Thermistor
Series: B57237S0
Canonical Name: TDK B57237S0259M000 NTC Inrush Current Limiter Thermistor
Subcategory: NTC Thermistor

B57237S0259M000 Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected

B57237S0259M000 Estimated Pricing

Qty Low High
1+ $0.99 $0.99

Estimated market price range - modelled values for guidance only, not live distributor offers.

B57237S0259M000 Features

  • NTC thermistor for inrush current limiting.
  • 2.5 ohm resistance at 25°C.
  • 6.5A maximum steady state current.
  • ±20% resistance tolerance.
  • Flame retardant coating material UL 94 V-0.

B57237S0259M000 Applications

  • Used for inrush current limiting in power supplies.
  • Suitable for soft-start motor applications.
  • Ideal for circuit protection in electronic devices.
  • Employed in switch-mode power supply circuits.

B57237S0259M000 FAQs

7 frequently asked questions generated from this part’s specifications.
What is the resistance of the B57237S0259M000 thermistor at 25°C?

The zero power resistance at 25°C is 2.5 ohms.

What is the tolerance for the B57237S0259M000 thermistor's resistance?

The resistance tolerance is ±20%.

What is the maximum steady state current for this NTC thermistor?

The maximum steady state current at 25°C is 6.5A.

What is the maximum power dissipation rating?

The maximum power dissipation at 25°C is 3.1W.

What are the physical dimensions of the thermistor?

The disc size is 15mm, lead diameter is 0.8mm, and lead spacing is 7.5mm.

What is the coating material's flammability rating?

The coating material is flame retardant to UL 94 V-0.

What is the thermal cooling time constant?

The thermal cooling time constant in air is approximately 90 seconds.

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