Lead Free Halogen Free RoHS Compliant Thick Film Array Chip Resistors Suitable RALEC RTA02-4D1002FTH

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Product Description

RTA Series Thick Film Array Chip Resistors

The RTA series resistors are lead-free, halogen-free, and RoHS compliant thick film array chip resistors designed for general electronic applications. They offer reliable performance and are suitable for a wide range of general electronic purposes.

Product Attributes

Brand: RALEC
Compliance: RoHS, Lead-free, Halogen-free

Technical Specifications

Type	Rated Power	Max. Rated Voltage	Max. Overload Voltage	T.C.R (ppm/)	Resistance Range ()	Terminals	Resistors	Jumper (0) Rated Current	Jumper (0) Resistance
RTA02-2D (0402)	1 W	25V	50V	300	1R	4	2	1A	25m MAX.
RTA02-4D (0402)	1 W	25V	50V	300	1R	8	4	1A	25m MAX.
RTA02-8D (0402)	1 W	25V	50V	250	10R10M (D:0.5%, F:1%, J:5%)	16	8	1A	50m MAX.
RTA03-2D (0603)	1 W	50V	100V	200	10R10M (D:0.5%, F:1%, J:5%)	4	2	1A	50m MAX.
RTA03-4D (0603)	1 W	50V	100V	200	22R470K (F:1%), 1R10M (D:0.5%, J:5%)	8	4	1A	25m MAX.
RTA02-2C (0402)	1 W	25V	50V	650	3R10 (D:0.5%), 10R	4	2	1A	50m MAX.
RTA02-4C (0402)	1 W	25V	50V	400	1R	8	4	1A	50m MAX.

Dimensions (mm)

Type	L	W	H	L1	L2	P	Q
RTA02-2D (0402)	1.000.10	1.000.10	0.300.05	0.150.10	0.250.10	(0.67)	0.330.10
RTA02-4D (0402)	2.000.10	1.000.10	0.400.10	0.200.10	0.250.10	(0.50)	0.300.10
RTA02-8D (0402)	4.000.20	1.600.10	0.400.10	0.300.15	0.300.10	(0.50)	0.250.10
RTA03-2D (0603)	1.600.15	1.600.15	0.450.10	0.300.15	0.300.15	(0.80)	0.600.10
RTA03-4D (0603)	3.200.20	1.600.15	0.500.10	0.300.15	0.300.15	(0.80)	0.500.10
RTA02-2C (0402)	1.000.10	1.000.10	0.300.10	0.180.10	0.250.10	(0.50)	0.300.10
RTA02-4C (0402)	2.000.10	1.000.10	0.400.10	0.150.10	0.250.10	(0.50)	0.300.10

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	10⁹
	Dielectric Withstand Voltage	JIS-C5201-1 4.7	No short circuit or burn-out
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): 2m
Pure Tin Layer (Tin): 3m (Matte Tin)

Technical Application Notes

Recommended Soldering Conditions: Lead Free IR-Reflow Soldering Profile (J-STD-020 compliant); Soldering iron: 35010 within 3 seconds.
Recommended Land Pattern Design for Reflow Soldering is provided for various types.
Usage Environment Precautions: This product is for general electronic use. RALEC is not responsible for damages or losses incurred from use in special environments. Confirmation with RALEC is required for special applications.
Transient Overload Precautions: Avoid transient overloads exceeding product specifications.
Handling and Operation Precautions: Protect resistor edges and protective coating from mechanical stress. Avoid bending the PCB. Operate within rated power limits. Consider pulse load impacts. Evaluate and confirm in actual application for fail-safe design.

Storage and Handling Conditions

Storage: 255, 6015% RH for two years.
Avoid harsh environments: sea breeze, corrosive gases (Cl2, H2S, NH3, SO2, NO2), direct sunlight, condensation.
Handle with care: ensure correct box orientation, avoid dropping or crushing to prevent damage.