B57153S0200M054

Overview

The B57153S0200M054 is an NTC thermistor from the B57153S0M0 series, designed for inrush current limiting. It features a nominal resistance of 20 Ω at 25°C with a ±20% tolerance. The component has a maximum rated power of 1.4 W and a thermal time constant of 30 s. Its physical dimensions are 8.5 mm in length, 6 mm in depth, and 13 mm in height. It operates within a temperature range of -55°C to 170°C.

Feature Summary

• Negative temperature coefficient (NTC) characteristic for inrush current suppression
• Lead-mounted construction with tin-plated copper leads
• Compliant with UL, VDE, CQC, and IEC safety standards

Applications

• Inrush current limiting in electronic circuits
• Power supply input protection
• General industrial equipment temperature sensing

Procurement Notes

Verify the specific ordering suffix M054 against official TDK documentation to confirm lead configuration and packaging details. Ensure the selected variant matches the required application voltage and current ratings. Cross-reference the part number with the manufacturer's latest datasheet to confirm compliance with relevant safety certifications such as UL and VDE before integration.

Selection Notes

Select this component based on its 20 Ω nominal resistance and 1.4 W power rating. Consider the 30 s thermal time constant for response speed requirements. Verify that the operating temperature range of -55°C to 170°C suits the environmental conditions. Ensure the lead spacing and mounting type align with the PCB layout or wiring harness design.

Part Context

This part belongs to the B57153S0M0 series of coated disk NTC thermistors manufactured by EPCOS, now part of TDK Electronics. These components are specifically engineered for inrush current limiting applications. The series offers various resistance values and mechanical configurations to suit different circuit requirements while maintaining consistent thermal performance characteristics.

Replacement Considerations

Direct substitutes include other B57153S0 series variants with matching electrical parameters. Verify compatibility with equivalent parts from TDK or other manufacturers offering similar NTC thermistors for inrush current limiting.