Precision thick film chip resistor KOA RK73H2ETTD1500F with ceramic substrate and protective coating

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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. These resistors are designed to meet EU RoHS requirements with lead-free terminations. They are AEC-Q200 Qualified, making them suitable for demanding applications. The resistors feature a protective coating, inner electrode, resistive film, ceramic substrate, and solder plating.

Product Attributes

Brand: KOA Speer Electronics
Certifications: EU RoHS, AEC-Q200 Qualified
Material: Thick Film

Technical Specifications

Type (Inch Size Code)	L (mm)	W (mm)	t (mm)	d (mm)	c (mm)	Power Rating (W)	Max. Working Voltage (V)	Operating Temp. Range (C)	T.C.R. (x10^-6/K)	Resistance Range
1F (01005)	0.4 (0.016)	0.2 (0.008)	0.1 (0.004)	0.11 (0.004)	0.13 (0.005)	0.03	20	-55 to +125	250	10 - 91k
1H (0201)	0.6 (0.024)	0.3 (0.012)	0.1 (0.004)	0.03 (0.001)	0.03 (0.001)	0.05	25	-55 to +125	200	10 - 1M
1E (0402)	1.0 (0.039)	0.5 (0.02)	0.15 (0.006)	0.1 (0.004)	0.15 (0.006)	0.1	50	-55 to +155	200	10 - 1M
1J (0603)	1.6 (0.063)	0.8 (0.031)	0.2 (0.008)	0.15 (0.006)	0.2 (0.008)	0.125	50	-55 to +155	200	10 - 1M
2A (0805)	2.0 (0.079)	1.25 (0.049)	0.25 (0.01)	0.2 (0.008)	0.25 (0.01)	0.25	75	-55 to +155	200	10 - 1M
2B (1206)	2.6 (0.102)	1.6 (0.063)	0.3 (0.012)	0.3 (0.012)	0.3 (0.012)	0.25	100	-55 to +155	200	10 - 1M
2E (1210)	3.2 (0.126)	2.0 (0.079)	0.4 (0.016)	0.4 (0.016)	0.4 (0.016)	0.5	150	-55 to +155	200	10 - 1M
2H/W2H (2010)	5.0 (0.197)	2.5 (0.098)	0.5 (0.02)	0.5 (0.02)	0.5 (0.02)	0.75	200	-55 to +155	200	10 - 1M
3A/W3A/W3A2 (2512)	6.3 (0.248)	3.1 (0.122)	0.65 (0.026)	0.65 (0.026)	0.65 (0.026)	1.0 / 2.0 (W3A2)	400	-55 to +155	200	10 - 1M

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% (1F); 0.5% (Others)
Resistance to Soldering Heat	260C 5C, 10 seconds 1 second	1% (1F ~ W3A2: 10R1M); 3% (1H ~ W3A2: R1M)
Rapid Change of Temperature	-55C (30 min), +125C (30 min), 100 cycles	1% (1F); 0.5% (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% (1F); 0.5% (Others)