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 uses.
Product Attributes
- Brand: RALEC
- Certifications: RoHS compliant, Lead-free, Halogen-free
Technical Specifications
| Type | Rated Power (W) | Max. Rated Voltage (V) | Max. Overload Voltage (V) | T.C.R (ppm/) | Resistance Range () | Terminals | Resistors | JUMPER (0) Rated Current (A) | JUMPER (0) Resistance Max. |
|---|---|---|---|---|---|---|---|---|---|
| RTA02-2D (0402) | 1 | 25 | 50 | 300 | 1R<10 | 4 | 2 | 1 | 25m |
| RTA02-4D (0402) | 1 | 25 | 50 | 300 | 1R<10 | 8 | 4 | 1 | 25m |
| RTA02-8D (0402) | 1 | 25 | 50 | 250 | 10R10M | 16 | 8 | 1 | 50m |
| RTA03-2D (0603) | 1 | 50 | 100 | 200 | 10R10M | 4 | 2 | 1 | 50m |
| RTA03-4D (0603) | 1 | 50 | 100 | 200 | 1R10M | 8 | 4 | 1 | 25m |
| RTA02-2C (0402) | 1 | 25 | 50 | 650 | 3R10 | 4 | 2 | 1 | 50m |
| RTA02-4C (0402) | 1 | 25 | 50 | 400 | 1R<10 | 8 | 4 | 1 | 50m |
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
See attached document for detailed structure diagrams for D (Convex) and C (Concave) types.
Reliability Test Items
The product undergoes various electrical, mechanical, and environmental tests to ensure 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 Layer (Ni): 2m
- Pure Tin Layer (Tin): 3m
- Plating Tin is matte tin.
Technical Application Notes
Recommended soldering conditions include Lead Free IR-Reflow Soldering Profile (J-STD-020 compliant) and soldering iron method (35010 within 3 seconds). Recommended Land Pattern Design for Reflow Soldering is provided. Customers should adjust based on actual application. The product is for general electronic use; RALEC is not responsible for damages in special environments. Handle with care to avoid mechanical stress and damage.
Storage and Handling Conditions
Store in an environment of 255, 6015% RH for up to two years. Avoid harsh environments such as sea breeze, corrosive gases, direct sunlight, and condensation. Ensure correct box orientation during handling and storage to prevent damage.
Labeling
Outer packaging will be marked with Electronic Information Product Pollution Control Marks and Packaging Recycling Marks for export to mainland China.
Legal Disclaimer
RALEC disclaims liability for any errors or omissions in product information. Product information may be changed without notice. RALEC makes no warranties regarding suitability for specific purposes or continued production. RALEC is not liable for any damages arising from the use of its products. This product is defined for general electronic use and is 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 associated with its use.
2411221110_RALEC-RTA02-4D331JTH_C102635.pdf
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