Ceramic Bulk Resistor KOA PCF2CT631R3R3K Featuring UL94V0 Flame Retardant Coating and AEC Q200 Testing

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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
Resistor Type: Ceramic Bulk
Flame Retardant Coating: Equivalent of UL94V0
Certifications: EU RoHS compliant, AEC-Q200 Tested
Reliability: Higher reliability against disconnection compared to wirewound and film resistors
Characteristics: Excellent in-pulse and inrush current characteristics, Non-inductive

Technical Specifications

Model	Power Rating @ 70C	Resistance Range ()	T.C.R. (x10^-6/K)	Operating Temp. Range (C)	Rated Ambient Temp. (C)	Dielectric Withstanding Voltage (V)	Maximum Working Voltage (V)	Maximum Overload Voltage (V)
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: 4.7R10kV: 10kR10kV: 33kR
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	-40C to +200C	+70C	300V	600V	14kV:3.3R14kV:30kR
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	-40C to +200C	+70C	400V	800V	20kV:3.3R20kV:10kR

Type	Dimensions (inches / mm)	Lead Wire Diameter (nom.)	Lead Wire Length (mm)	Coating Diameter (max.)	Resistive Body Diameter (nom.)	Resistive Body Length
PCF1/2	L: 1.18.118 (30.03.0) C: 0.65.039 (16.51.0)	.031 (0.8)	* Varies with taping type	.276.039 (7.01.0)	.138.02 (3.50.5)	.437 (11.1)
PCF1	L: 1.50.118 (38.03.0) C: 0.748.039 (19.01.0)	.028 (0.7)	* Varies with taping type	.354.039 (9.01.0)	.217.039 (5.51.0)	.748 (19.0)
PCF2	L: 1.50.118 (38.03.0) C: 0.748.039 (19.01.0)	.028 (0.7)	* Varies with taping type	.437 (11.1)	.217.039 (5.51.0)	.886 (22.5)

Performance Parameter	Requirement R ((% + 0.05))	Limit Typical	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%
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.
Resistance to pulse (10,000 cycles)	PCF1/2: 5% PCF1: 10% PCF2: 5%	PCF1/2: 10 PCF1: 25 PCF2: 10	SW C=1.000pF 1 sec ON 1 sec OFF Protection resistor DC (Max. pulse voltage) Rx (In insulation oil)