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
- Compliance: RoHS, Lead-free, Halogen-free
Technical Specifications
| Type | Rated Power | Max. Rated Voltage | Max. Overload Voltage | T.C.R (ppm/) | Resistance Range () | Resistance Range (JUMPER 0) | Number of Terminals | Number of Resistors | Rated Current (JUMPER 0) |
|---|---|---|---|---|---|---|---|---|---|
| RTA02-2D (0402) | 1 W | 25V | 50V | 300 (D), 200 (F, J) | 1R<10 (D, F, J), 10R10M (D, F, J) | 25m MAX. (D), 50m MAX. (F, J) | 4 | 2 | 1A |
| RTA02-4D (0402) | 1 W | 25V | 50V | 300 (D), 200 (F, J) | 1R<10 (D, F, J), 10R10M (D, F, J) | 25m MAX. (D), 50m MAX. (F, J) | 8 | 4 | 1A |
| RTA02-8D (0402) | 1 W | 25V | 50V | 250 | 10R10M (D, F, J) | 50m MAX. | 16 | 8 | 1A |
| RTA03-2D (0603) | 1 W | 50V | 100V | 200 | 10R10M (D, F, J) | 50m MAX. | 4 | 2 | 1A |
| RTA03-4D (0603) | 1 W | 50V | 100V | 200 (D), 200 (F, J) | 22R470K (F), 1R10M (D, J) | 25m MAX (D), 50m MAX. (F, J) | 8 | 4 | 1A |
| RTA02-2C (0402) | 1 W | 25V | 50V | 650 (D), 200 (F, J) | 3R10 (D, F), 10R<1M (F, J) | 50m MAX. | 4 | 2 | 1A |
| RTA02-4C (0402) | 1 W | 25V | 50V | 400 (D), 200 (F, J) | 1R<10 (D, F), 10R1M (F, J) | 50m MAX. | 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
The structure diagram illustrates the layers of the resistors, including ceramic substrate, electrodes, resistive layer, and protective coatings.
Reliability Test Items
The product undergoes various electrical, mechanical, and environmental tests to ensure its reliability and performance under different conditions.
Plating Thickness
- Nickel (Ni) Layer Thickness: 2m
- Pure Tin (Sn) Layer Thickness: 3m
- Pure Tin plating is matte tin.
Technical Application Notes
- Recommended Soldering Conditions: Lead Free IR-Reflow Soldering Profile (J-STD-020 compliant), Iron Soldering Method (35010 within 3 seconds).
- Recommended Land Pattern Design for Reflow Soldering is provided for different model types.
- Environmental Precautions: Not recommended for use in extreme environments (high temperature/humidity, corrosive gases, unverified liquids, unverified sealing materials). Cleaning after soldering is recommended.
- Transient Overload Precautions: Avoid transient overloads that exceed product specifications.
- Handling Precautions: Protect edges and protective layers from mechanical stress. Avoid bending the PCB. Operate within rated power. Consider pulse load impacts. Evaluate and confirm in actual application for safety.
Storage and Handling Conditions
- Storage: 255, 6015% RH for two years.
- Avoid adverse environments such as sea breeze, corrosive gases, direct sunlight, and condensation.
- Ensure correct box orientation during handling and storage. Avoid dropping or squeezing boxes.
Marking
Outer boxes are marked with Electronic Information Product Pollution Control Marks and Packaging Recycling Marks for export to mainland China.
Legal Disclaimer
RALEC disclaims liability for errors or omissions in product information and is not responsible for product suitability for special purposes or continuous production. RALEC is not liable for any damages, losses, or liabilities arising from the use of its products, including loss of profits, direct, indirect, special, punitive, consequential, or incidental damages. Implied warranties, including fitness for a particular purpose, non-infringement, and merchantability, are disclaimed. This product is defined for general electronic use and is not suitable for automotive electronics, medical life support or life-sustaining equipment, or any application where failure could result in injury or death. Technical advice is provided free of charge, and RALEC assumes no obligation or liability for its use. The buyer assumes all risks and liabilities associated with the use of RALEC products in combination with other materials or processes. RALEC reserves the right to modify product information without notice.
2411221110_RALEC-RTA03-4D182JTP_C458646.pdf
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