Precision chip resistor KOA RK73H1ETTP8452F with protective coating and AEC Q200 tested certification

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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. It offers excellent heat resistance and weather resistance due to its metal glaze thick film construction. Suitable for both flow and reflow soldering, these resistors meet EU RoHS requirements for lead-free terminations. The series is AEC-Q200 tested across a wide range of sizes from 01005 to 2512.

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)	Power Rating (W)	Resistance Range ()	Tolerance (%)	T.C.R. (x10^-6/K)	Max. Working Voltage (V)	Max. Overload Voltage (V)	Operating Temp. Range (C)
RK73H1F	01005	0.03	10 - 1M	0.5, 1	200, 250	20	100	-55 to +125
RK73H1H	0201	0.05	10 - 1M 1 - 9.1 1.02M - 10M*	0.5, 1	200, 400	25	200	-55 to +125
RK73H1E	0402	0.1	10 - 1k 10 - 1M 1.02M - 10M*	0.5, 1	200, 400	30	200	-55 to +155
RK73H1J	0603	0.125	10 - 1M	0.5, 1	100, 200	50	400	-55 to +155
RK73H2A	0805	0.25	10 - 1M	0.5, 1	100, 200	75	400	-55 to +155
RK73H2B	1206	0.25	10 - 1M	0.5, 1	100, 200	75	400	-55 to +155
RK73H2E	1210	0.5	10 - 1M	0.5, 1	100, 200	100	400	-55 to +155
RK73HW2H/2H	2010	1.0	10 - 1M	0.5, 1	100, 200	150	400	-55 to +155
RK73HW3A/3A	2512	1.0	10 - 1M	0.5, 1	100, 200	200	400	-55 to +155
RK73HW3A2	2512	2.0	10 - 1M 5.62M - 10M	0.5, 1	100, 200, 400	200	400	-55 to +155

Performance Characteristics

Parameter	Requirement	Limit	Test Method
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 ~ W3A2 (10R1M); 3%: 1H ~ W3A2 (R1M)
Rapid Change of Temperature Characteristic (Nil)	-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, Characteristic (A); 0.3% Others
Moisture Resistance	40C 2C, 90%-95% RH, 1000 hours, 1.5 hr ON, 0.5 hr OFF cycle	2%: 1J, 2A, 2B; 3%: Others
Endurance at 70C	70C 2C, 1000 hours, 1.5 hr ON, 0.5 hr OFF cycle	2%: 1J, 2A, 2B; 3%: Others
High Temperature Exposure	+125C, 1000 hours: 1F; +155C, 1000 hours: 1E, 1H, 1J, 2A, 2B, 2E, 2H/W2H, 3A/W3A/W3A2	1%