PRF18BD471QB1RB Murata, PRF18BD471QB1RB Datasheet - Page 4

• Manufacturer Part Number: PRF18BD471QB1RB
• Description: PTC THERMISTOR
• Manufacturer: Murata
• Series: PRF18r
• Type: PTCr

Specifications of PRF18BD471QB1RB

• Thermistor Type: PTC
• Resistance: 470ohm
• Thermistor Tolerance: ± 50%
• Operating Temperature Range: -20°C To +110°C
• Operating Voltage Range: 32VDC
• Thermistor Case Style: 0603
• No. Of Pins: 2
• Length/height, External: 1.6mm
• Tolerance: 50 %
• Termination Style: SMD/SMT
• Current Rating: 0.1 mAmp
• Dimensions: 0.80 mm W x 1.60 mm L
• Voltage: 32 V
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

!Note
• This PDF catalog is downloaded from the website of Murata Manufacturing co., ltd. Therefore, it’s specifications are subject to change or our products in it may be discontinued without advance notice. Please check with our
• This PDF catalog has only typical specifications because there is no space for detailed specifications. Therefore, please approve our product specifications or transact the approval sheet for product specifications before ordering.
sales representatives or product engineers before ordering.
Chip THERMISTORS prevent failure of apparatus due
to excess current.
1. 0603 and 0805 light weight
2. High gain simplifies circuit design
3. Free of contact noise and problems
4. Pb free plated terminations.
5. Sturdy construction resists mechanical
Ratings - Lead Free Terminations
PRG21BC0R2MM1RA
PRG21BC4R7MM1RA
PRG21BC6R8MM1RA
PRG21BB150MB1RK
PRG21BB220MB1RK
PRG18BB330MB1RB
PRG18BB470MB1RB
PRG18BB101MB1RB
PRG18BB221MB1RB
PRG18BB471MB1RB
vibration and shock.
Markets & Applications of Overheat Sensing
PRG18/21 Series Chip POSISTORr for Overcurrent Prevention
PRG Series Characteristics
PRF
Part Number
Air Conditioner
Video Camera
Copy Machine
Power Supply
Refrigerator
PPC/Printer
PC Server
Car Audio
TV Game
Lighting
Audio
<Set PTC Used>
0.20 ohm 20%
100 ohm 20%
220 ohm 20%
470 ohm 20%
4.7 ohm 20%
6.8 ohm 20%
15 ohm 20%
22 ohm 20%
33 ohm 20%
47 ohm 20%
Resistance
(at +25 C)
DC Brushless Motor
DC Brushless Motor
DC Brushless Motor
DC-DC Converter
DC-DC Converter
Power Supply
AC Adapter
AC Adapter
AC Adapter
Dimmer
Lamp
AMP
AMP
LCD
LCD
Maximum
Voltage
20VDC
20VDC
24VDC
6VDC
Current Limitation & Overheat Sensing of Driver IC
Overheat Sensing for Inverter Module of Backlight
Overheat Sensing for Inverter of Backlight
Overheat Sensing of Lamp Starter Circuit
Overheat Sensing of Power Hybrid IC
Overheat Sensing of Power Hybrid IC
Overheat Sensing of Power Hybrid IC
Overheat Sensing of Power Supply
Overheat Sensing of Driver IC
Overheat Sensing of Driver IC
Overheat Sensing of Power Tr
Maximum
Overheat Sensing of Case
Overheat Sensing of Case
Overheat Sensing of PCB
Current
Overheat Sensing of FET
Overheat Sensing of FET
Overheat Sensing of FET
Overheat Sensing of FET
Overheat Sensing of FET
350mA
300mA
200mA
90mA
40mA
3.5A
1.6A
1.1A
10A
5A
<Function of PRF>
Current (at +60 C)
Non-operating
500mA
100mA
80mA
40mA
30mA
25mA
20mA
15mA
10mA
7mA
PTC
PTC
Load
<Competitive Device>
Temperature Fuse
Temperature Fuse
Temperature Fuse
Current (at -10 C)
NTC Thermistor
Operating
2000mA
400mA
320mA
140mA
110mA
85mA
75mA
55mA
35mA
25mA
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