B59750B0120A070

Ptc Resettable Fuses Overview

The B59750B0120A070 is a leaded PTC thermistor designed for overcurrent protection. It features a disk package with radial leads and a resistance of 25 Ohms. The component has a rated AC voltage of 420 V and a DC voltage rating of 400 V. It operates within a temperature range of -40°C to +125°C, with a current rating of 123 mA. The device provides short circuit protection and is RoHS compliant.

Ptc Resettable Fuses Feature Summary

• Provides overcurrent and short circuit protection
• Features lead-free terminals
• Complies with UL 1434 standards

Ptc Resettable Fuses Applications

• Overcurrent protection circuits
• Short circuit protection applications

Ptc Resettable Fuses Procurement Notes

Verify the specific datasheet version when sourcing, as the B59750B0120A070 may be listed as NRND (Not Recommended for New Designs) by some distributors. Confirm that the 420 V AC rating aligns with your system requirements. Ensure the 25 Ohm resistance tolerance matches your design specifications before finalizing procurement.

Ptc Resettable Fuses Selection Notes

Select this component for through-hole mounting where robust overcurrent protection is required. The 123 mA current rating suits low-current protection tasks. Verify compatibility with operating temperatures up to 125°C. Consider the physical dimensions and lead spacing for PCB layout integration.

Ptc Resettable Fuses Part Context

This part belongs to the EPCOS B597 series of PTC thermistors, now managed under TDK Electronics AG. The brand originated from Siemens Matsushita Components and merged with TDK in 2009. These components are widely used in industrial and consumer electronics for reliable thermal protection.

Ptc Resettable Fuses Replacement Considerations

The B59750C120A70 is a suggested alternate part number. Verify if the C-series variant meets all electrical and mechanical requirements before substitution.