PRF21BC471QB5RA Overview

The PTC thermistors are put into 0805 (2012 Metric) packages to protect the devices from damage. These PTC thermistors are packaged in the Tape & Reel (TR) for safety protection. The PTC thermistor has 2 terminations. There are 2 pins in this thermistor. Nominally, this thermistor can supply 32V voltage when it works. The current for which the PTC thermistors have been designed is 100μA.

PRF21BC471QB5RA 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~120°C
Tolerance: 50%

PRF21BC471QB5RA Applications

There are a lot of Murata Electronics
PRF21BC471QB5RA PTC Thermistors applications.

• Temperature monitoring
• HVAC and thermostats
• Industrial control and appliances
• Thermal compensation
• Display backlights
• Building automation
• Thermal threshold detection
• Motor control
• Chargers
• Thermal protection of winding in electric motors