General purpose chip resistor KOA RK73B2ATTD682J with AEC Q200 tested and EU RoHS compliant features

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Product Description

Product Overview

The RK73B series is a general-purpose thick film chip resistor offering 2% and 5% tolerances. Designed for broad applicability, these resistors feature lead-free terminations meeting EU RoHS requirements. They are AEC-Q200 tested across various sizes, ensuring reliability for demanding applications.

Product Attributes

Brand: KOA Speer Electronics, Inc.
Product Line: RK73B
Certifications: EU RoHS compliant, AEC-Q200 tested
Construction: Thick film chip resistor
Termination Material: Sn Plating, Ni Plating
Substrate: Ceramic
Protective Coating: Resistive Film
Inner Electrode:

Technical Specifications

Type (Inch Size Code)	L (mm)	W (mm)	d (mm)	t (mm)	Power Rating	Rated Ambient Temp.	Rated Terminal Part Temp.	Operating Temperature Range	T.C.R. (x10^-6/K)	Resistance Range	Maximum Working Voltage
1F (01005)	0.40.02	0.20.02	0.100.03	0.110.03	0.03W	70C	95C	-55C to +125C	250	10 - 91k	20V
1H (0201)	0.60.03	0.30.03	0.25+0.05-0.1	0.3+0.2-0.1	0.05W	70C	125C	-55C to +125C	200	10 - 10M	25V
1E (0402)	1.0+0.1-0.05	0.4+0.2-0.1	0.25+0.05-0.1	0.3+0.2-0.1	0.1W	70C	125C	-55C to +125C	200	10 - 10M	50V
1J (0603)	1.60.2	0.80.1	0.350.05	0.450.1	0.1W	70C	125C	-55C to +125C	200	1 - 10M	75V
2A (0805)	2.00.2	1.250.1	0.50.05	0.60.1	0.125W	70C	125C	-55C to +125C	200	1 - 10M	75V
2B (1206)	2.60.2	1.60.1	0.630.2	0.790.2	0.25W	70C	125C	-55C to +125C	200	1 - 10M	100V
2E (1210)	2.50.2	1.60.1	0.630.2	0.790.2	0.25W	70C	125C	-55C to +125C	200	1 - 10M	150V
2H (2010)	3.10.2	2.00.2	1.60.2	2.00.2	0.50W	70C	155C	-55C to +155C	200	1 - 9.1M	200V
W2H (2010)	3.10.2	2.00.2	1.60.2	2.00.2	0.75W	70C	155C	-55C to +155C	200	1.1k - 1M	400V
3A (2512)	3.20.2	2.00.2	1.60.2	2.00.2	1.0W	70C	155C	-55C to +155C	200	1 - 1k	200V
W3A (2512)	3.20.2	2.00.2	1.60.2	2.00.2	1.0W	70C	155C	-55C to +155C	200	1 - 1M	400V
W3A2 (2512)	3.20.2	2.00.2	1.60.2	2.00.2	2.0W	70C	155C	-55C to +155C	200	1 - 5.6M	400V

Performance Characteristics

Parameter	Requirement	Limit	Typical	Test Method
Resistance	Within specified tolerance
T.C.R.	25C +25C/-55C and +25C/+125C	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%	1%: 1F 0.5%: Another
Resistance to Soldering Heat	260C 5C, 10 seconds 1 second	1%: 1F~W3A2 (10R1M) 3%: 1F~W3A2 (R1M)	0.5%: 1F~W3A2 (10R1M); 1%: 1F~W3A2 (R1M)
Rapid Change of Temperature	-55C (30 minutes), +125C (30 minutes), 100 cycles	1%: 1F 0.5%: Another	0.5%: 1F 0.3%: Another
Moisture Resistance	40C 2C, 90%-95% RH, 1000 hours, 1.5 hr ON, 0.5 hr OFF cycle	2%: 1J, 2A, 2B 3%: Another	0.75%: 1J, 2A, 2B 1.5%: 1F; 1%: Another
Endurance at 70C	70C 2C, 1000 hours, 1.5 hr ON, 0.5 hr OFF cycle	2%: 1J, 2A, 2B 3%: Another	0.75%: 1J, 2A, 2B 1%: Another
High Temperature Exposure	+125C, 1000 hours: 1F; +155C, 1000 hours: 1E, 1H, 1J, 2A, 2B, 2E, 2H/W2H, 3A/W3A/W3A2	1%	0.5%: 1F 0.3%: Another