PRF21BB471QB5RA Overview

A 0805 (2012 Metric) package is used to protect PTC thermistors. A Tape & Reel (TR) is used for the safety of these PTC thermistors. A PTC thermistor has a termination of 2. This thermistor has 2 pins. When it works, this thermistor will provide a voltage of 32V. PTC thermistors have been designed to operate at 100μA current.

PRF21BB471QB5RA Features

Moisture Sensitivity Level (MSL): 1 (Unlimited)
Package / Case: 0805 (2012 Metric)
Mount: Surface Mount
Resistance @ 25°C: 470Ohm
Terminal Shape: WRAPAROUND
2 Pins
Series: POSISTOR® PRF18/21
Operating Temperature: -20°C~130°C
Tolerance: 50%

PRF21BB471QB5RA Applications

There are a lot of Murata Electronics
PRF21BB471QB5RA PTC Thermistors applications.

• Thermal compensation
• Display backlights
• Building automation
• 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