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High reliability ceramic resistor KOA PCF2CT631R4R7K with non inductive design and flame retardant coating

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High reliability ceramic resistor KOA PCF2CT631R4R7K with non inductive design and flame retardant coating

Type : Ceramic Resistor

Resistance : 4.7Ω

Power(Watts) : 2W

Temperature Coefficient : -1300ppm/℃~-500ppm/℃

Tolerance : ±10%

Operating Temperature : -40℃~+200℃

Description : Ceramic Resistor 4.7Ω 2W -1300ppm/℃~-500ppm/℃ ±10% Through Hole,D7xL19mm Through Hole Resistors RoHS

Mfr. Part # : PCF2CT631R4R7K

Model Number : PCF2CT631R4R7K

Package : Through Hole,D7xL19mm

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Product Overview

The PCF series ceramic resistors are designed for anti-pulse surge applications, featuring KOA's original bulk ceramic resistor technology. These non-inductive resistors offer excellent in-pulse and inrush current characteristics, with a flame retardant coating equivalent to UL94V0. They provide higher reliability against disconnection compared to wirewound and film resistors and are AEC-Q200 tested. Products meet EU RoHS requirements, making them suitable for demanding environmental applications.

Product Attributes

Brand: KOA
Material: Ceramic
Coating: Flame retardant (Equivalent of UL94V0)
Certifications: EU RoHS compliant, AEC-Q200 Tested
Reliability: Higher reliability against disconnection compared to wirewound and film resistors

Technical Specifications

Model	Power Rating @ 70C	Resistance Range ()	T.C.R. (x10^-6/K)	Operating Temp. Range	Rated Ambient Temp.	Dielectric Withstanding Voltage (V)	Maximum Working Voltage (V)	Maximum Overload Voltage (V)	Dimensions (mm) L x C (max.)	Dimensions (mm) D (nom.)	Dimensions (mm) d	Dimensions (mm)
PCF1/2	0.5W	4.7 - 100K	-500 ~ -1300 (3.3R<10) -600 ~ -1500 (10R<100) -700 ~ -1800 (100R<1k) -900 ~ -1900 (1kR<100k) -900 ~ -2000 (100kR<200k) -900 ~ -2200 (200kR390k)	-40C to +200C	+70C	200V	400V	10kV (4.7R<10k) 4kV (10kR<100k)	30.03.0	5.51.0	0.8	11.1
PCF1	1.0W	3.3 - 330K	-500~-1300:3.3R<10 -600~-1500:10R<100 -700~-1800:100R<1k -900~-1900:1kR<100k -900~-2000:100kR<200k -900~-2200:200kR390k			300V	600V	14kV (3.3R<30k) 7kV (30kR<390k)	38.03.0	7.01.0	0.7	19.0
PCF2	2.0W	4.7 - 100K	-500~-1300:3.3R<10 -600~-1500:10R<100 -700~-1800:100R<1k -900~-1900:1kR<100k -900~-2000:100kR<200k -900~-2200:200kR390k			400V	800V	20kV (3.3R<10k) 11kV (10kR<390k)

Performance Characteristic	Requirement R ((% + 0.05))	Limit Typical	Test Method
Resistance	Within regulated to tolerance
Resistance T.C.R.		+25C/-40C, +25C/+75C and +25C/+125C
Voltage Coefficient (Apply for over 1k)	0~-0.2%/V		Rated voltage and rated voltage x 10%
Overload	2%	0.4%	Rated voltage x 2.5 or maximum overload voltage for 5s, whichever less
Resistance to soldering heat	2%	0.8%	350C10C, 3.5s0.5s
Rapid change of temperature	2%	0.4%	-40C (30 min.)/+85C (30 min.), 5 cycles
Moisture resistance	5%	0.6%	40C2C, 90%~95%RH, 1000 hours, 1.5h ON/0, 5h OFF cycles
Load life	5%	0.4%	70C2C, 1000h, 1.5h ON/0, 5h OFF cycles
Resistance to Solvent	No abnormality in appearance. Marking shall be easily legible.		Dipping in IPA or Xylene for 3 minutes and leaving for 10 minutes after removing drops, then brushing 10 times.

Type	Tolerance	Resistance Range ()	T.C.R. (x10^-6/K)	Power Rating @ 70C	Max. Pulse Voltage	Max. Working Voltage
PCF1/2	K: 10% M: 20%	4.7 - 100K	-500 ~ -1300: 3.3R<10 -600 ~ -1500: 10R<100 -700 ~ -1800: 100R<1k -900 ~ -1900: 1kR<100k -900 ~ -2000: 100kR<200k -900 ~ -2200: 200kR390k	0.5W	10kV: 4.7R<10k 10kV: 10kR<33k 10kV: 33kR<100k	400V
PCF1	K: 10% M: 20%	3.3 - 330K	-500~-1300:3.3R<10 -600~-1500:10R<100 -700~-1800:100R<1k -900~-1900:1kR<100k -900~-2000:100kR<200k -900~-2200:200kR390k	1.0W	14kV: 3.3R<30k 14kV: 30kR<390k	600V
PCF2	K: 10% M: 20%	4.7 - 100K	-500~-1300:3.3R<10 -600~-1500:10R<100 -700~-1800:100R<1k -900~-1900:1kR<100k -900~-2000:100kR<200k -900~-2200:200kR390k	2.0W	20kV: 3.3R<10k 20kV: 10kR<390k	800V

Ordering Information Example: PCF 1 C R 103 K T631
PCF = Series
1 = Power Rating (1/2: 0.5W, 1: 1W, 2: 2W)
C = Termination Material (SnCu)
R = Packaging (Reel)
103 = Nominal Resistance (10 x 10^3 = 10k)
K = Tolerance (10%)
T631 = Taping

Note: For further information on packaging, please refer to Appendix C.

2411220016_KOA-PCF2CT631R4R7K_C20097620.pdf

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