B57236S0200M000

Overview

The B57236S0200M000 is a leaded and coated Negative Temperature Coefficient (NTC) thermistor disk designed for inrush current limiting applications. It features radial leads for through-hole mounting. The component has a nominal resistance of 20 Ω at 25 °C with a tolerance of ±20%. It supports a maximum rated AC voltage of 265 V and a power dissipation of 2.1 W. The operating temperature range spans from -55 °C to +170 °C. The physical dimensions include a diameter of 11.5 mm and a thickness of 6 mm.

Feature Summary

• Coated thermistor disk construction
• Kinked tinned copper wire leads
• Suitable for series connections up to 265 VRMS

Applications

• Inrush current limiting in electronic circuits
• Power supply input stages
• Transformer protection

Procurement Notes

Verify the specific part number against official TDK documentation to confirm compliance with RoHS standards and lead-free requirements. Ensure that the selected variant matches the required resistance value and thermal characteristics for the intended circuit design. Cross-reference datasheets for any updates regarding package or material specifications.

Selection Notes

Select this component based on the required nominal resistance of 20 Ω and the maximum allowable inrush current handling capability. Consider the thermal time constant and steady-state power dissipation limits when designing the circuit. Verify that the operating environment falls within the specified -55 °C to 170 °C temperature range.

Part Context

This component belongs to the B57236S0 series of NTC thermistors manufactured by EPCOS, now part of the TDK Group. These devices are specifically engineered for protecting sensitive electronic components against high initial currents during power-up phases. The series offers various resistance values to suit different application requirements.

Replacement Considerations

Compatible substitutes within the same series include B57236S0160M000 and B57236S0309M051. When replacing, ensure the substitute part meets the electrical requirements for resistance, voltage rating, and physical dimensions.