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PRF15/18/21 Series

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Littelfuse Inc.

PTC Series

Murata Electronics North America

PRF15/18/21 Series

Murata Electronics North America

PTFL and PTFM Series

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Murata Electronics North America PRF15/18/21 Series

PRF15/18/21 Series

POSISTOR® Overheat Sensing Chip Type 0402 (1005), 0603 (1608) and 0805 (2012) Size

Murata Electronics North America

This chip PTC Thermistor is a reflow soldering SMD type for overheat sensing for power transistors, power diodes and power ICs in hybrid circuits.

Datasheets

Datasheets:

Features

SMD type is helpful for miniaturizing circuits because of its small size and light weight
Excellent thermal response due to small size
Solid state construction provides excellent resistance to mechanical vibration and impact resistance
Contactless operation provides noiseless operation

Specifications

Mounting Type:Surface Mount
Packaging:Tape & Reel (TR)

Resistance @ 25°C:470 Ohms ~ 10 kOhms

Parts

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Manufacturer Part Number	Description	Resistance @ 25°C	Resistance Tolerance	Operating Temperature	Mounting Type	Package / Case
PRF18BA471QB5RB	THERMISTOR PTC 470 OHM 50% 0603	470 Ohms	±50%	-40°C ~ 150°C	Surface Mount	0603 (1608 Metric)
PRF18BC471QS5RB	THERMISTOR PTC 470 OHM 50% 0603	470 Ohms	±50%	-20°C ~ 120°C	Surface Mount	0603 (1608 Metric)
PRF18BB471QB5RB	THERMISTOR PTC 470 OHM 50% 0603	470 Ohms	±50%	-20°C ~ 140°C	Surface Mount	0603 (1608 Metric)
PRF18BC471QB5RB	THERMISTOR PTC 470 OHM 50% 0603	470 Ohms	±50%	-20°C ~ 130°C	Surface Mount	0603 (1608 Metric)
PRF18BD471QB5RB	THERMISTOR PTC 470 OHM 50% 0603	470 Ohms	±50%	-20°C ~ 120°C	Surface Mount	0603 (1608 Metric)
PRF18AR471QB5RB	THERMISTOR PTC 470 OHM 50% 0603	470 Ohms	±50%	-20°C ~ 160°C	Surface Mount	0603 (1608 Metric)
PRF18BF471QB5RB	THERMISTOR PTC 470 OHM 50% 0603	470 Ohms	±50%	-20°C ~ 100°C	Surface Mount	0603 (1608 Metric)
PRF18BD471QS5RB	THERMISTOR PTC 470 OHM 50% 0603	470 Ohms	±50%	-20°C ~ 120°C	Surface Mount	0603 (1608 Metric)
PRF18BE471QS5RB	THERMISTOR PTC 470 OHM 50% 0603	470 Ohms	±50%	-20°C ~ 110°C	Surface Mount	0603 (1608 Metric)
PRF21BA471QB5RA	THERMISTOR PTC 470 OHM 50% 0805	470 Ohms	±50%	-20°C ~ 140°C	Surface Mount	0805 (2012 Metric)
PRF18AS471QB5RB	THERMISTOR PTC 470 OHM 50% 0603	470 Ohms	±50%	-20°C ~ 120°C	Surface Mount	0603 (1608 Metric)
PRF18BD471RB5RB	THERMISTOR PTC 470 OHM 50% 0603	470 Ohms	±50%	-20°C ~ 120°C	Surface Mount	0603 (1608 Metric)
PRF18BE471RB5RB	THERMISTOR PTC 470 OHM 50% 0603	470 Ohms	±50%	-20°C ~ 110°C	Surface Mount	0603 (1608 Metric)
PRF21BB471QB5RA	THERMISTOR PTC 470 OHM 50% 0805	470 Ohms	±50%	-20°C ~ 130°C	Surface Mount	0805 (2012 Metric)
PRF18BB471QS5RB	THERMISTOR PTC 470 OHM 50% 0603	470 Ohms	±50%	-20°C ~ 140°C	Surface Mount	0603 (1608 Metric)
PRF21AR471QB5RA	THERMISTOR PTC 470 OHM 50% 0805	470 Ohms	±50%	-20°C ~ 150°C	Surface Mount	0805 (2012 Metric)
PRF18BG471QB5RB	THERMISTOR PTC 470 OHM 50% 0603	470 Ohms	±50%	-20°C ~ 90°C	Surface Mount	0603 (1608 Metric)
PRF18BF471RB5RB	THERMISTOR PTC 470 OHM 50% 0603	470 Ohms	±50%	-20°C ~ 100°C	Surface Mount	0603 (1608 Metric)
PRF21BE471QB5RA	THERMISTOR PTC 470 OHM 50% 0805	470 Ohms	±50%	-20°C ~ 100°C	Surface Mount	0805 (2012 Metric)
PRF21BD471QB5RA	THERMISTOR PTC 470 OHM 50% 0805	470 Ohms	±50%	-20°C ~ 110°C	Surface Mount	0805 (2012 Metric)
PRF18BA471QS5RB	THERMISTOR PTC 470 OHM 50% 0603	470 Ohms	±50%	-40°C ~ 150°C	Surface Mount	0603 (1608 Metric)
PRF18BF471QS5RB	THERMISTOR PTC 470 OHM 50% 0603	470 Ohms	±50%	-20°C ~ 100°C	Surface Mount	0603 (1608 Metric)
PRF21BC471QB5RA	THERMISTOR PTC 470 OHM 50% 0805	470 Ohms	±50%	-20°C ~ 120°C	Surface Mount	0805 (2012 Metric)
PRF18BE471QB5RB	THERMISTOR PTC 470 OHM 50% 0603	470 Ohms	±50%	-20°C ~ 110°C	Surface Mount	0603 (1608 Metric)
PRF15BB102RB6RC	THERMISTOR PTC 1K OHM 50% 0402	1 kOhms	±50%	-40°C ~ 140°C	Surface Mount	0402 (1005 Metric)
PRF15BC102RB6RC	THERMISTOR PTC 1K OHM 50% 0402	1 kOhms	±50%	-40°C ~ 130°C	Surface Mount	0402 (1005 Metric)
PRF15BD102RB6RC	THERMISTOR PTC 1K OHM 50% 0402	1 kOhms	±50%	-40°C ~ 120°C	Surface Mount	0402 (1005 Metric)
PRF15BE102RB6RC	THERMISTOR PTC 1K OHM 50% 0402	1 kOhms	±50%	-40°C ~ 110°C	Surface Mount	0402 (1005 Metric)
PRF15BG102RB6RC	THERMISTOR PTC 1K OHM 50% 0402	1 kOhms	±50%	-40°C ~ 100°C	Surface Mount	0402 (1005 Metric)
PRF15AR102RB6RC	THERMISTOR PTC 1K OHM 5% 0402	1 kOhms	±0.5%	-40°C ~ 160°C	Surface Mount	0402 (1005 Metric)
PRF15BE103RB6RC	THERMISTOR PTC 10K OHM 0402	10 kOhms	±5°C	-20°C ~ 95°C	Surface Mount	0402 (1005 Metric)
PRF15BB103RB6RC	THERMISTOR PTC 10K OHM 50% 0402	10 kOhms	±50%	-20°C ~ 140°C	Surface Mount	0402 (1005 Metric)

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