Electronic Components RALEC RTA03-4D272JTP Thick Film Array Chip Resistors Lead Free Ceramic Substrate

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Product Description

RTA Series Thick Film Array Chip Resistors

The RTA series thick film array chip resistors are lead-free, halogen-free, and RoHS compliant, suitable for general electronic applications. They offer various configurations for size, number of circuits, electrode structure, resistance value, tolerance, and packaging types.

Product Attributes

Brand: RALEC
Certifications: RoHS compliant
Material: Thick film on ceramic substrate

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
RTA02-2D (0402)	1W	25V	50V	300	1R	4	2	1A	25m MAX.
RTA02-4D (0402)	1W	25V	50V	300	1R	8	4	1A	25m MAX.
RTA02-8D (0402)	1W	25V	50V	250	10R10M	16	8	1A	50m MAX.
RTA03-2D (0603)	1W	50V	100V	200	10R10M	4	2	1A	50m MAX.
RTA03-4D (0603)	1W	50V	100V	200	22R470K (F), 1R10M (J)	8	4	1A	25m MAX (F), 50m MAX (J)
RTA02-2C (0402)	1W	25V	50V	650	3R10	4	2	1A	50m MAX.
RTA02-4C (0402)	1W	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	(R2-R1)/R1(T2-T1) 10⁶	Refer to Specification Table
	Short Time Overload	2.5x rated voltage for 5 sec.	R=1.0% (0.5%, 1%), R=2.0% (5%)
	Insulation Resistance Test	100 VDC for 1 min.	10⁹
	Dielectric Withstand Voltage	300 VAC for 1 min.	No short circuit or burnout
	Intermittent Overload	2.5x rated voltage, 1 sec ON, 25 sec OFF, 10,000 cycles	R=5.0%
Mechanical Performance Test	Resistance to Solvent	Immersed in Isopropanol for 5 min.	R=0.5%
	Solderability	Pre-treatment: 4 hrs aging at 105C/100% RH/1.2210⁵ pa. Test: Immerse in 2355 solder for 20.5 sec.	Soldered area > 95%
	Resistance to Soldering Heat	Immerse in 260+5/-0 solder for 10 sec.	R%=1.0% (Resistance change); Soldered area > 95% (Visual inspection)
Environmental Test	Resistance to Dry Heat	1555 for 10004 hr.	R=1.0% (0.5%, 1%), R=2.0% (5%)
	Thermal Shock	-55 (15 min) to +125 (15 min), 300 cycles	R=1.0%
	Loading Life in Moisture	402, 90~95% RH, rated voltage, 90 min ON, 30 min OFF, 1,000 hr	R=2.0% (0.5%, 1%), R=3.0% (5%)

Plating Thickness

Nickel Layer (Ni): 2m
Pure Tin Layer (Sn): 3m (Matte tin)

Application Notes

Recommended Soldering Conditions: Lead Free IR-Reflow Soldering Profile (J-STD-020 compliant), Iron Soldering: 35010 within 3 seconds.
Recommended Land Pattern Design provided for various types.
Environmental precautions for high temperature/humidity, corrosive atmospheres, non-verified liquids, and sealing materials.
Transient overload and handling precautions are advised.