PRF21BE471QB5RA Overview

For protection, PTC thermistors are packaged in 0805 (2012 Metric) packages. Packaged in the Tape & Reel (TR), these PTC thermistors are safe to handle. PTC thermometers have 2 terminations. It has a total of 2 pins. When it is operational, the thermistor should be able to supply 32V voltage. PTC thermistors have been designed to operate at 100μA volts. A DC circuit cannot operate with a voltage above 32V. This DC circuit has thermistors having a voltage rating of 32V.

PRF21BE471QB5RA Features

Moisture Sensitivity Level (MSL): 1 (Unlimited)
Package / Case: 0805 (2012 Metric)
Mount: PCB, Surface Mount
Resistance @ 25°C: 470Ohm
Terminal Shape: WRAPAROUND
2 Pins
Series: POSISTOR® PRF18/21
Operating Temperature: -20°C~100°C
Tolerance: 50%

PRF21BE471QB5RA Applications

There are a lot of Murata Electronics
PRF21BE471QB5RA PTC Thermistors applications.

• 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
• Electronic ballasts