PRF21BB471QB2RA Overview

It is important to protect PTC thermistors from damage by placing them in 0805 packages. It is advisable to set the PTC thermistors to -20°C as the minimum operating temperature. A temperature of 140°C should not be exceeded during operation of this thermistor. Typically, this thermistor can deliver 32V voltage. The PTC thermistors are designed for a 100μA current.

PRF21BB471QB2RA Features

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

PRF21BB471QB2RA Applications

There are a lot of Murata Electronics
PRF21BB471QB2RA PTC Thermistors applications.

• Thermal threshold detection
• Motor control
• 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