PRF21BD471QB2RA Overview

Into 0805 packages, PTC thermistors are put to prevent damage. Setting the minimum operating temperature of PTC thermistors to -20°C is recommended. If this thermistor is to work correctly, it must operate at 120°C. This thermistor can supply 32V nominally when in operation. The PTC thermistors are designed for 100μA current.

PRF21BD471QB2RA Features

Package / Case: 0805
Mount: PCB, Surface Mount
Tolerance: 50%

PRF21BD471QB2RA Applications

There are a lot of Murata Electronics
PRF21BD471QB2RA PTC Thermistors applications.

• Chargers
• Thermal protection of winding in electric motors
• Secondary protection of battery packs
• Limit temperature monitoring
• Over-temperature protection of power components
• DC/DC converters
• SMPS
• Notebooks
• Home appliances
• Dimmers