B57236S0200M051

Overview

The B57236S0200M051 is a leaded NTC thermistor designed for inrush current limiting. It features a 20 Ω resistance at 25 °C with ±20% tolerance and a rated AC voltage of 265 V. The component dissipates 2.1 W of power and operates within a temperature range of -55 °C to 170 °C. It utilizes a radial through-hole disk package measuring 11.5 mm in diameter.

Feature Summary

• Provides effective suppression of high inrush currents during power-up sequences
• Features a robust coated disk construction suitable for harsh environments
• Offers reliable thermal stability across a wide operating temperature range

Applications

• Power supply input stages
• Motor drive circuits
• Transformer protection systems

Procurement Notes

Verify the specific suffix M051 against the manufacturer datasheet to confirm lead length and spacing requirements. Ensure the selected variant matches the required peak current handling capabilities for the target application circuit design.

Selection Notes

Select this component based on its 20 Ω nominal resistance and 2.1 W power rating. Confirm that the 11.5 mm disk size fits the available PCB space and that the through-hole mounting method aligns with the assembly process.

Part Context

This part belongs to the B57236S series of NTC thermistors manufactured by EPCOS (TDK). These components are specifically engineered as inrush current limiters, utilizing negative temperature coefficient characteristics to protect electronic circuits from initial surge currents.

Replacement Considerations

Cross-reference with B57236S0200M000 for alternative packaging options. Verify electrical parameters match before substituting other generic NTC thermistors.