Flame retardant ceramic resistor KOA PCF2CT631R822K with bulk ceramic technology and RoHS compliance

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Product Description

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.

Product Attributes

Brand: KOA
Material: Ceramic
Coating: Flame retardant (Equivalent of UL94V0)
Certifications: EU RoHS compliant, AEC-Q200 Tested
Features: Anti-pulse surge, KOA original bulk ceramic resistors, Excellent in-pulse and inrush current characteristics, Non-inductive, Higher reliability against disconnection compared to wirewound and film resistors.

Technical Specifications

Type	Power Rating @ 70C	Resistance Range ()	T.C.R. (x10^-6/K)	Operating Temp. Range	Rated Ambient Temp.	Dielectric Withstanding Voltage	Maximum Working Voltage	Maximum Overload Voltage
PCF1/2	0.5W	4.7 - 100K	-500 ~ -1300: 3.3R-600 ~ -1500: 10R-700 ~ -1800: 100R-900 ~ -1900: 1kR-900 ~ -2000: 100kR-900 ~ -2200: 200kR390k	-40C to +200C	+70C	200V	400V	10kV:4.7R14kV:3.3R20kV:3.3R
PCF1	1.0W	3.3 - 330K	-500~-1300:3.3R-600~-1500:10R-700~-1800:100R-900~-1900:1kR-900~-2000:100kR-900~-2200:200kR390k			300V	600V	10kV:10kR14kV:30kR11kV:10kR20kV:10kR
PCF2	2.0W	4.7 - 100K	-500~-1300:3.3R-600~-1500:10R-700~-1800:100R-900~-1900:1kR-900~-2000:100kR-900~-2200:200kR390k			400V	800V	10kV:33kR4kV:10kR7kV:30kR11kV:10kR20kV:10kR

Type	Dimensions (inches (mm))	Tolerance	Packaging
PCF1/2, PCF1, PCF2	L: 1.18.118 (30.03.0) C (max.): 1.50.118 (38.03.0) D (nom.): .031 (0.8) d: .028 (0.7) : .138.02 (3.50.5)	K: 10% M: 20%	R: Reel
	L: .217.039 (5.51.0) C (max.): .276.039 (7.01.0) D (nom.): .437 (11.1) d: .748 (19.0) : .886 (22.5)
	L: .354.039 (9.01.0) C (max.): 0.65.039 (16.51.0) D (nom.): .748.039 (19.01.0) d: --- : ---

Performance Parameter	Requirement	Typical R (% + 0.05)	Test Method
Resistance	Within regulated to tolerance
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%
Resistance Measurement voltage	3.3=10=100=
Overload	Rated voltage x 2.5 or maximum overload voltage for 5s, whichever less	2%	0.4%
Resistance to pulse	The resistor mounted to the test circuit as below is applied with high voltage impulse 10,000 cycles.	Refer to the table on the right	SW C=1.000pF 1 sec ON 1 sec OFF
Resistance to soldering heat	350C10C, 3.5s0.5s	2%	0.8%
Rapid change of temperature	-40C (30 min.)/+85C (30 min.), 5 cycles	2%	0.4%
Moisture resistance	40C2C, 90%~95%RH, 1000 hours, 1.5h ON/0, 5h OFF cycles	5%	0.6%
Load life	70C2C, 1000h, 1.5h ON/0, 5h OFF cycles	5%	0.4%
Resistance to Solvent	Dipping in IPA or Xylene for 3 minutes and leaving for 10 minutes after removing drops, then brushing 10 times.	No abnormality in appearance. Marking shall be easily legible.