Chip Resistors RALEC RTA02-4D360JTH Thick Film Array with 1 Watt Power and 25 Volt Maximum Voltage

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Product Description

RTA Series Thick Film Array Chip Resistors

The RTA series resistors are lead-free, halogen-free thick film array chip resistors compliant with RoHS. They are designed for general electronic applications.

Product Attributes

Brand: RALEC
Certifications: RoHS compliant

Technical Specifications

Type	Rated Power	Max. Rated Voltage	Max. Overload Voltage	T.C.R (ppm/)	Resistance Range	Number of Terminals	Number of Resistors	JUMPER (0) Rated Current	JUMPER (0) Resistance Max.
RTA02-2D (0402)	1 W	25V	50V	±300	1≤R<10	4	2	1A	25mΩ MAX.
RTA02-4D (0402)	1 W	25V	50V	±300	1≤R<10	8	4	1A	25mΩ MAX.
RTA02-8D (0402)	1 W	25V	50V	±250	10≤R≤10MΩ	16	8	1A	50mΩ MAX.
RTA03-2D (0603)	1 W	50V	100V	±200	10≤R≤10MΩ	4	2	1A	50mΩ MAX.
RTA03-4D (0603)	1 W	50V	100V	±200	22≤R≤470KΩ	8	4	1A	25mΩ MAX.
RTA02-2C (0402)	1 W	25V	50V	±650	3≤R≤10	4	2	1A	50mΩ MAX.
RTA02-4C (0402)	1 W	25V	50V	±400	1≤R<10	8	4	1A	50mΩ MAX.

Dimensions (mm)

Type	L	W	H	L1	L2	P	Q
RTA02-2D (0402)	1.00±0.10	1.00±0.10	0.30±0.05	0.15±0.10	0.25±0.10	(0.67)	0.33±0.10
RTA02-4D (0402)	2.00±0.10	1.00±0.10	0.40±0.10	0.20±0.10	0.25±0.10	(0.50)	0.30±0.10
RTA02-8D (0402)	4.00±0.20	1.60±0.10	0.40±0.10	0.30±0.15	0.30±0.10	(0.50)	0.25±0.10
RTA03-2D (0603)	1.60±0.15	1.60±0.15	0.45±0.10	0.30±0.15	0.30±0.15	(0.80)	0.60±0.10
RTA03-4D (0603)	3.20±0.20	1.60±0.15	0.50±0.10	0.30±0.15	0.30±0.15	(0.80)	0.50±0.10
RTA02-2C (0402)	1.00±0.10	1.00±0.10	0.30±0.10	0.18±0.10	0.25±0.10	(0.50)	0.30±0.10
RTA02-4C (0402)	2.00±0.10	1.00±0.10	0.40±0.10	0.15±0.10	0.25±0.10	(0.50)	0.30±0.10

Reliability Test Items

Category	Item	Conditions	Specifications
Electrical Performance Test	Temperature Coefficient of Resistance	JIS-C5201-1 4.8	Refer to Specification Table
	Short Time Overload	JIS-C5201-1 4.13	0.5%, 1%: ∴R=±1.0%; 5%: ∴R=±2.0%
	Insulation Resistance	JIS-C5201-1 4.6	≥10⁹Ω
	Dielectric Withstand Voltage	JIS-C5201-1 4.7	No short circuit or burning
Mechanical Performance Test	Resistance to Solvent	JIS-C5201-1 4.29	∴R=±0.5%
	Solderability	JIS-C5201-1 4.17	Soldered area > 95%
	Resistance to Soldering Heat	JIS-C5201-1 4.18	Test Item 1: ∴R%=±1.0%; Test Item 2: Soldered area > 95%
	Joint Strength of Solder	JIS-C5201-1 4.33	∴R%=±1.0%
Environmental Test	Resistance to Dry Heat	JIS-C5201-1 4.25	0.5%, 1%: ∴R=±1.0%; 5%: ∴R=±2.0%
	Thermal Shock	MIL-STD 202 Method 107	∴R=±1.0%
	Loading Life in Moisture	JIS-C5201-1 4.24	0.5%, 1%: ∴R=±2.0%; 5%: ∴R=±3.0%

Plating Thickness

Nickel Layer (Ni): ≥2μm
Pure Tin Layer (Tin): ≥3μm (Matte tin)

Technical Application Notes

Recommended Soldering Conditions: Lead Free IR-Reflow Soldering Profile (J-STD-020), Soldering Iron: 350±10 within 3 seconds.
Recommended Land Pattern Design is provided for Reflow Soldering.
Users should adjust based on actual application.
RALEC is not responsible for damages or losses incurred when using this product in special environments not confirmed by RALEC.
Special environments include, but are not limited to: high temperature/humidity, corrosive atmospheres (Cl2, H2S, NH3, SO2, NO2), non-verified liquids, non-verified sealing/coating materials, and cleaning with water-soluble detergents after soldering.
Transient overload may cause loss of function. Avoid transient currents exceeding product specifications.
Handle with care to avoid mechanical stress on the resistor edges and protective layer.
Ensure resistors are used within their rated power range.
Evaluate and confirm in the actual mounting state, and ensure system safety with fail-safe design.

Storage and Handling Conditions

Storage environment: 25±5, 60±15% RH for two years.
Avoid harsh environments such as sea breeze, corrosive gases (Cl2, H2S, NH3, SO2, NO2), direct sunlight, and condensation.
Ensure correct box orientation during handling and storage. Avoid dropping or crushing the box.