Precision chip resistor KOA RK73H2BTTD47R5F thick film design with Sn plating and Ni plating layers

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Product Description

RK73H Precision Thick Film Chip Resistor

The RK73H series is a precision thick film chip resistor featuring a protective coating, inner electrode, resistive film, and ceramic substrate with Sn plating and Ni plating. It offers a wide lineup from 01005 to 2512 sizes and is suitable for both flow and reflow solderings. Products with lead-free terminations meet EU RoHS requirements. This series is AEC-Q200 Tested for various sizes.

Product Attributes

Brand: KOA Speer Electronics, Inc.
Certifications: AEC-Q200 Tested (0201, 0402, 0603, 0805, 1206, 1210, 2010, 2512)
Material: Thick film, Ceramic Substrate, Sn Plating, Ni Plating
Compliance: EU RoHS requirements (for lead-free terminations)

Technical Specifications

Type	Size Code (EIA)	Dimensions (mm) L x W x T	Power Rating	Resistance Range	Tolerance	Max. Working Voltage	T.C.R. (x10^-6/K)
RK73H1F	(01005)	0.4 x 0.2 x 0.1	0.03W	10 - 1M	0.5%, 1%	20V	200, 250
RK73H1H	(0201)	0.6 x 0.3 x 0.15	0.05W	10 - 1M	0.5%, 1%	25V	200
RK73H1E	(0402)	0.4 x 0.25 x 0.1	0.1W	10 - 1M	0.5%, 1%	30V	200, 400
RK73H1J	(0603)	1.0 x 0.5 x 0.25	0.1W	10 - 1M	0.5%, 1%	50V	200, 400
RK73H2A	(0805)	2.0 x 1.25 x 0.5	0.25W	10 - 1M	0.5%, 1%	75V	100, 200
RK73H2B	(1206)	3.2 x 1.6 x 0.5	0.25W	10 - 1M	0.5%, 1%	100V	100, 200
RK73H2E	(1210)	2.5 x 1.6 x 0.5	0.5W	10 - 1M	0.5%, 1%	150V	100, 200
RK73HW2H/2H	(2010)	5.0 x 2.5 x 0.65	1.0W	10 - 1M	0.5%, 1%	200V	100, 200
RK73HW3A/3A	(2512)	6.3 x 3.1 x 0.65	2.0W	10 - 1M	0.5%, 1%	400V	100, 200
RK73HW3A2	(2512)	6.3 x 3.1 x 0.65	2.0W	10 - 1M	0.5%, 1%	400V	100, 200

Performance Characteristics

Parameter	Requirement	Limit	Test Method
Resistance T.C.R.	25C +25C/-55C and +25C/+125C	Within specified tolerance, Within specified T.C.R.
Overload (Short time)	Rated Voltage x 2.5 for 5 seconds (1E, 2B, W3A2: Rated Voltage x 2 for 5 seconds)	2%
Resistance to Soldering Heat	260C 5C, 10 seconds 1 second	1% (1F); 0.5% (Others)
Rapid Change of Temperature Characteristic (Nil)	-55C (30 min), +125C (30 min), 100 cycles	1% (1F, Char. A); 0.5% (Others)
Moisture Resistance	40C 2C, 90%-95% RH, 1000 hours	2% (1J, 2A, 2B); 3% (Others)
Endurance at 70C	70C 2C, 1000 hours	2% (1J, 2A, 2B); 3% (Others)
High Temperature Exposure	+125C, 1000 hours (1F); +155C, 1000 hours (Others)	1% (1F); 0.5% (Others)