B57237S0100M051

Inrush Current Limiters (ICL) Overview

The B57237S0100M051 is an NTC thermistor inrush current limiter manufactured by TDK. It features a nominal resistance of 10 Ohms at 25°C with a tolerance of ±20%. The component supports a maximum steady-state current of 3.7 A and has a diameter of 0.591 inches (15.00 mm). It operates within a temperature range of -55°C to 170°C and carries UL certification.

Inrush Current Limiters (ICL) Feature Summary

• Utilizes negative temperature coefficient technology to limit initial surge currents during power-up
• Provides automatic self-regulation as the device heats up during operation
• Features radial leads for through-hole printed circuit board mounting

Inrush Current Limiters (ICL) Applications

• Power supply input stages
• Industrial control systems
• Consumer electronics protection

Inrush Current Limiters (ICL) Procurement Notes

Verify the specific ordering suffix M051 to confirm lead wire configuration and packaging type. Ensure compatibility with UL safety standards required for end-product certification. Confirm that the 3.7 A steady-state current rating meets the design requirements for the target application circuit.

Inrush Current Limiters (ICL) Selection Notes

Select this component based on the required 10 Ohm cold resistance and 3.7 A current handling capacity. Consider the 15 mm diameter for available PCB space. Evaluate the thermal characteristics against the expected ambient operating temperatures ranging from -55°C to 170°C.

Inrush Current Limiters (ICL) Part Context

This part belongs to the B57237S0 series of NTC thermistors designed specifically for inrush current limiting. The series offers various resistance values and current ratings to suit different power applications. TDK manufactures these components to provide reliable circuit protection against high startup currents.

Inrush Current Limiters (ICL) Replacement Considerations

Consult official TDK documentation for verified substitute part numbers within the B57237S0 series or equivalent families. Cross-reference electrical parameters such as resistance, current rating, and physical dimensions before substitution.