RTA Series Thick Film Array Chip Resistors
The RTA series thick film array chip resistors are lead-free, halogen-free, and RoHS compliant, designed for general electronic applications. These resistors offer high reliability and performance characteristics suitable for a wide range of electronic circuits.
Product Attributes
- Brand: RALEC
- Certifications: RoHS compliant, Lead-free, Halogen-free
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) | 1 W | 25V | 50V | 300 | 1R<10 (D:0.5%), 10R10M (D:0.5%, F:1%, J:5%) | 4 | 2 | 1A | 25m MAX. |
| RTA02-4D (0402) | 1 W | 25V | 50V | 300 | 1R<10 (D:0.5%), 10R10M (D:0.5%, F:1%, J:5%) | 8 | 4 | 1A | 25m MAX. |
| RTA02-8D (0402) | 1 W | 25V | 50V | 250 | 10R10M (D:0.5%, F:1%, J:5%) | 16 | 8 | 1A | -- |
| RTA03-2D (0603) | 1 W | 50V | 100V | 200 | 10R10M (D:0.5%, F:1%, J:5%) | 4 | 2 | 1A | -- |
| 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<1M (D:0.5%, J:5%) | 4 | 2 | 1A | -- |
| RTA02-4C (0402) | 1 W | 25V | 50V | 400 | 1R<10 (D:0.5%), 10R1M (D:0.5%, J:5%) | 8 | 4 | 1A | -- |
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 |
Structure Diagram
Refer to the provided diagrams for detailed structural components of D (Convex) and C (Concave) types.
Reliability Test Items
The product undergoes various electrical, mechanical, and environmental tests to ensure its reliability, including Temperature Coefficient of Resistance, Short Time Overload, Insulation Resistance, Dielectric Withstand Voltage, Intermittent Overload, Resistance to Solvent, Solderability, Resistance to Soldering Heat, Joint Strength of Solder, Resistance to Dry Heat, Thermal Shock, Loading Life in Moisture, and Load Life.
Plating Thickness
- Nickel (Ni) layer thickness: 2m
- Pure Tin (Sn) layer thickness: 3m
- Plating tin is matte tin.
Technical Application Notes
Recommended soldering conditions and land pattern designs are provided for reflow soldering and iron soldering. Customers should adjust based on actual application. Special attention is required for usage in high temperature/humidity environments, corrosive atmospheres, and when using unverified liquids or sealing materials. Transient overload and handling precautions are also detailed.
Storage and Handling Conditions
Storage for two years under 255, 6015% RH. Avoid corrosive environments, direct sunlight, and condensation. Ensure proper box orientation and avoid dropping or squeezing.
Marking
Outer boxes for export to mainland China will be marked with the Electronic Information Products Pollution Control Mark and Packaging Recycling Mark.
Legal Disclaimer
RALEC and its distributors/agents disclaim liability for errors or omissions in product information. RALEC may change product information without notice. RALEC makes no warranties regarding product suitability for special purposes or continued production. RALEC is not liable for any damages arising from the use of its products. The products are defined for general electronic use and are not intended for automotive, medical life support, or any application where failure could cause injury or death. Technical advice is provided free of charge, and the user assumes all risks. RALEC reserves the right to modify specifications without notice.
2411221110_RALEC-RTA02-4D270JTH_C458676.pdf
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