B57213P0470M301

Overview

The B57213P0470M301 is a Negative Temperature Coefficient (NTC) thermistor from the TDK SL15 series, designed as an inrush current limiter. It features a nominal resistance of 47 Ohms with a tolerance of ±20% at 25°C. The component supports a maximum steady-state current of 3A and has a diameter of 16.00mm (0.630 inches). It utilizes a leaded and coated disk construction.

Feature Summary

• Provides effective inrush current limiting for electronic circuits
• Features leaded and coated disk construction for durability
• Complies with international safety standards including UL, VDE, and CQC

Applications

• Power supply input stages
• Consumer electronics protection
• Industrial equipment circuitry

Procurement Notes

Verify the specific ordering suffix to ensure correct resistance and current ratings. Confirm package dimensions match design requirements. Check for RoHS compliance status. Validate manufacturer origin as TDK or EPCOS. Review datasheet for thermal characteristics.

Selection Notes

Select based on required resistance value and steady-state current capacity. Ensure physical size fits the application constraints. Consider operating temperature range limitations. Verify compatibility with circuit voltage levels. Evaluate thermal dissipation needs.

Part Context

This component belongs to the TDK SL15 series of inrush current limiters. It is manufactured by TDK Electronics, formerly part of EPCOS. The product line focuses on protecting circuits against high initial currents during power-up phases.

Replacement Considerations

Compatible substitutes include B57211P0470M301, which shares similar electrical parameters but differs in physical dimensions and current rating.