Chip Resistor KOA RK73B2ETTD910J Featuring Ceramic Substrate and Sn Plating with Wide Operating Temperature Range

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Product Description

Product Overview

The RK73B is a general-purpose thick film chip resistor series offering 2% and 5% tolerances. These resistors feature lead-free terminations that meet EU RoHS requirements. They are AEC-Q200 tested across various package sizes, making them suitable for demanding applications.

Product Attributes

Brand: KOA Speer Electronics
Certifications: EU RoHS compliant, AEC-Q200 tested
Material: Ceramic Substrate, Sn Plating, Ni Plating

Technical Specifications

Type (Inch Size Code)	Dimensions (mm) L x W x T x C	Power Rating	Resistance Range	Tolerance	T.C.R. (x10^-6/K)	Max. Working Voltage	Operating Temp. Range	Termination Material
1F (01005)	0.4 x 0.2 x 0.10 x 0.11	0.03W	10 - 91k	2%, 5%	250	20V	-55C to +125C	Sn
1H (0201)	0.6 x 0.3 x 0.15 x 0.23	0.05W	10 - 10M	2%, 5%	200	25V	-55C to +125C	Sn
1E (0402)	1.0 x 0.5 x 0.20 x 0.35	0.1W	10 - 10M	2%, 5%	200	50V	-55C to +155C	Sn
1J (0603)	1.6 x 0.8 x 0.20 x 0.35	0.1W	1 - 10M	2%, 5%	400	75V	-55C to +155C	Sn
2A (0805)	2.0 x 1.25 x 0.40 x 0.50	0.125W	1 - 10M	2%, 5%	200	75V	-55C to +155C	Sn
2B (1206)	3.2 x 1.6 x 0.50 x 0.50	0.25W	1 - 10M	2%, 5%	200	100V	-55C to +155C	Sn
2E (1210)	3.2 x 2.5 x 0.50 x 0.50	0.25W	1 - 10M	2%, 5%	200	150V	-55C to +155C	Sn
2H / W2H (2010)	2.6 x 2.0 x 0.50 x 0.50	0.75W	1.1k - 1M	2%, 5%	200	200V	-55C to +155C	Sn
3A / W3A (2512)	2.5 x 3.1 x 0.50 x 0.50	1.0W	1 - 1k	2%, 5%	200	200V	-55C to +155C	Sn
W3A2 (2512)	3.2 x 2.5 x 0.50 x 0.50	2.0W	1 - 5.6M	2%, 5%	200	400V	-55C to +155C	Sn

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