Thick film chip resistor KOA RK73H2ATTD3571F with AEC Q200 certification and ceramic substrate design

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Product Description

RK73H Precision Thick Film Chip Resistor

The RK73H series offers high precision thick film chip resistors with 0.5% and 1% tolerances. Featuring a protective coating, inner electrode, resistive film, and ceramic substrate with Sn or Ni plating, these resistors are suitable for a wide range of applications. They are designed for both flow and reflow solderings and meet EU RoHS requirements for lead-free terminations. The series is AEC-Q200 tested for various package sizes, ensuring reliability in demanding environments.

Product Attributes

Brand: KOA Speer Electronics, Inc.
Material: Thick film, Ceramic Substrate, Sn Plating, Ni Plating
Certifications: AEC-Q200 Tested (0201 to 2512 sizes), EU RoHS compliant

Technical Specifications

Type	Size Code	Dimensions (mm) L x W x T	Power Rating (W)	Resistance Range ()	Tolerance (%)	Max Working Voltage (V)	T.C.R. (x10/K)	Operating Temp. Range (C)
RK73H1F	01005	0.4 x 0.2 x 0.1	0.03	10 - 1M	0.5, 1	20	250	-55 to +125
RK73H1H	0201	0.6 x 0.3 x 0.15	0.05	1 - 9.1, 10 - 1M, 1.02M - 10M*	0.5, 1	25	200, 400	-55 to +125
RK73H1E	0402	0.4 x 0.2 x 0.1	0.1	10 - 1k, 10 - 1M, 1.02M - 10M*	0.5, 1	30	200, 400	-55 to +155
RK73H1J	0603	1.0 x 0.5 x 0.23	0.125	10 - 1M	0.5, 1	50	100, 200	-55 to +155
RK73H2A	0805	2.0 x 1.25 x 0.5	0.25	10 - 1M	0.5, 1	75	100, 200	-55 to +155
RK73H2B	1206	3.2 x 1.6 x 0.55	0.25	10 - 1M	0.5, 1	100	100, 200	-55 to +155
RK73H2E	1210	3.2 x 2.5 x 0.55	0.5	10 - 1M	0.5, 1	150	100, 200	-55 to +155
RK73HW2H/2H	2010	5.0 x 2.5 x 0.65	1.0	10 - 1M	0.5, 1	200	100, 200	-55 to +155
RK73HW3A/3A	2512	6.3 x 3.1 x 0.65	2.0	10 - 1M	0.5, 1	400	100, 200	-55 to +155
RK73HW3A2	2512	6.3 x 3.1 x 0.65	2.0	10 - 1M	0.5, 1	400	100, 200	-55 to +155

Performance Characteristics

Parameter	Requirement	Limit
Resistance T.C.R.	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 (Standard)	-55C (30 min), +125C (30 min), 100 cycles	1% (1F); 0.5% (Others)
Characteristic (A) Heat Shock Resistance	-55C (30 min), +125C (30 min), 1000 cycles	0.5% (1F); 0.3% (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)