B57153S0330M000

Overview

The B57153S0330M000 is an NTC thermistor inrush current limiter manufactured by TDK. It features a nominal resistance of 33 Ohms with a tolerance of ±20%. The component has a current rating of 1.3 A and voltage ratings of 115 VAC and 230 VAC. Physical dimensions include an 8.5 mm diameter and 6 mm width, with a lead spacing of 5 mm. It operates within a temperature range of -55°C to +170°C and utilizes a radial PCB mount configuration.

Feature Summary

• Provides effective limitation of high inrush currents during power-up phases
• Utilizes negative temperature coefficient characteristics for self-regulating resistance
• Designed for reliable radial through-hole mounting on printed circuit boards

Applications

• Protection of electronic circuits against initial surge currents
• Integration into AC/DC power supply input stages
• Surge suppression in consumer electronics assemblies

Procurement Notes

Verify the specific ordering suffix against the manufacturer's latest documentation to ensure correct variant selection. Confirm that the required resistance value and current handling capabilities align with the design specifications. Check for any recent part number revisions or obsolescence notices from TDK before finalizing procurement plans.

Selection Notes

Select this component based on its 33 Ohm cold resistance and 1.3 A steady-state current rating. Ensure the operating environment stays within the specified -55°C to +170°C temperature range. Verify that the physical footprint fits the available PCB space and that the lead spacing matches the board layout requirements for proper installation.

Part Context

This component belongs to the B57153S series of NTC thermistors designed specifically for inrush current limiting applications. These devices are engineered to protect sensitive electronic components from damage caused by high initial charging currents when connected to a power source.

Replacement Considerations

Public confirmed substitute part numbers: B57153S0330M051V9.