Stable resistance thick film chip resistors KOA RK73H1JTTD49R9F precision type with ceramic substrate

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Product Description

RK73H Precision Thick Film Chip Resistors

The RK73H series offers precision thick film chip resistors with 0.5% and 1% tolerances. These resistors are AEC-Q200 qualified and feature lead-free terminations meeting EU RoHS requirements. They are suitable for a wide range of applications requiring stable and reliable resistance values.

Product Attributes

Brand: KOA Speer Electronics, Inc.
Certifications: EU RoHS Compliant, AEC-Q200 Qualified
Material: Thick film, Ceramic Substrate, Ni Plating, Solder Plating

Technical Specifications

Type (Inch Size Code)	L (mm)	c (mm)	W (mm)	d (mm)	t (mm)	Power Rating	Max. Working Voltage	Operating Temp. Range	T.C.R. (x10^-6/K)	Resistance Range
1F (01005)	0.4 (0.016)	0.11 (0.004)	0.35 (0.014)	0.1 (0.004)	0.13 (0.005)	0.03W	20V	-55C to +125C	250	10 - 91k
1H (0201)	0.6 (0.024)	0.23 (0.009)	0.4 (0.016)	0.1 (0.004)	0.3 (0.012)	0.05W	25V	-55C to +125C	200	10 - 1M
1E (0402)	1.0 (0.039)	0.25 (0.01)	0.5 (0.02)	0.15 (0.006)	0.2 (0.008)	0.1W	50V	-55C to +155C	200	10 - 1M
1J (0603)	1.6 (0.063)	0.3 (0.012)	0.8 (0.031)	0.2 (0.008)	0.23 (0.009)	0.125W	50V	-55C to +155C	200	10 - 1M
2A (0805)	2.0 (0.079)	0.5 (0.02)	1.25 (0.049)	0.2 (0.008)	0.3 (0.012)	0.25W	75V	-55C to +155C	200	10 - 1M
2B (1206)	2.6 (0.102)	0.65 (0.026)	1.6 (0.063)	0.2 (0.008)	0.3 (0.012)	0.25W	100V	-55C to +155C	200	10 - 1M
2E (1210)	3.2 (0.126)	0.65 (0.026)	2.0 (0.079)	0.2 (0.008)	0.4 (0.016)	0.5W	150V	-55C to +155C	200	10 - 1M
2H/W2H (2010)	5.0 (0.197)	0.65 (0.026)	2.5 (0.098)	0.2 (0.008)	0.5 (0.02)	0.75W	200V	-55C to +155C	200	10 - 1M
3A/W3A (2512)	6.3 (0.248)	0.65 (0.026)	3.1 (0.122)	0.2 (0.008)	0.5 (0.02)	1.0W	200V	-55C to +155C	200	10 - 1M
W3A2 (2512)	6.3 (0.248)	0.65 (0.026)	3.1 (0.122)	0.2 (0.008)	0.5 (0.02)	2.0W	400V	-55C to +155C	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%
Resistance to Soldering Heat	260C 5C, 10 seconds 1 second	1%: 1F ~ W3A2 (10R1M); 3%: 1H ~ W3A2 (R1M)
Rapid Change of Temperature	-55C (30 minutes), +125C (30 minutes), 100 cycles	1%: 1F 0.5% 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
Endurance at 70C	70C 2C, 1000 hours, 1.5 hr ON, 0.5 hr OFF cycle	2%: 1J, 2A, 2B 3%: Another
High Temperature Exposure	+125C, 1000 hours: 1F; +155C, 1000 hours: 1E, 1H, 1J, 2A, 2B, 2E, 2H/W2H, 3A/W3A/W3A2	1%