B57213P0509M351

Overview

The B57213P0509M351 is an NTC inrush current limiter from the EPCOS P13 series, designed for high power currents ranging from 2.5 to 7A within a temperature range of -40°C to 150°C. It features a resistance value of 5 Ohms with a tolerance of ±20% and supports a maximum steady-state current of 6A. The component has a disk diameter of 0.571 inches (14.5mm) and utilizes leaded and coated construction.

Feature Summary

• Provides effective protection against voltage spikes and current surges in electronic circuits
• Utilizes NTC thermistor technology for reliable inrush current limiting
• Features leaded and coated disk construction for durability

Applications

• Power supply input stages
• Industrial equipment circuit protection
• Consumer electronics surge suppression

Procurement Notes

Verify component authenticity through official TDK channels or authorized distributors. Confirm datasheet revisions and RoHS compliance status prior to integration. Ensure storage conditions maintain component integrity. Cross-reference ordering suffixes to guarantee exact electrical specifications match design requirements.

Selection Notes

Select this component based on required steady-state current capacity and initial resistance values. Evaluate thermal management capabilities within the operating temperature range of -40°C to 150°C. Consider physical dimensions and lead spacing for PCB layout compatibility. Assess application-specific surge energy requirements against component ratings.

Part Context

This part belongs to the EPCOS P13 series of inrush current limiters manufactured by TDK Electronics. The series focuses on protecting electronic circuits from damaging current spikes during power-up phases. These components are integral to ensuring stable operation in various industrial and consumer applications requiring robust circuit protection.

Replacement Considerations

BN-LG10Y200MYB by Bourns Inc. serves as a documented substitute option. Verify electrical parameter alignment before substitution.

FAQ

What is the operating temperature range?

-40°C to 150°C

What is the steady-state current rating?

6A