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 | Max. Rated Voltage | Max. Overload Voltage | T.C.R (ppm/) | Resistance Range () | Terminals | Resistors | JUMPER (0) Rated Current | JUMPER (0) Max. Resistance |
|---|---|---|---|---|---|---|---|---|---|
| RTA02-2D (0402) | 1 W | 25V | 50V | 300 (1R<10), 200 (10R10M) | 1R<10 (D:0.5%, F:1%, J:5%), 10R10M (D:0.5%, F:1%, J:5%) | 4 | 2 | 1A | 25m MAX. (D), 50m MAX. (F, J) |
| RTA02-4D (0402) | 1 W | 25V | 50V | 300 (1R<10), 200 (10R10M) | 1R<10 (D:0.5%, F:1%, J:5%), 10R10M (D:0.5%, F:1%, J:5%) | 8 | 4 | 1A | 25m MAX. (D), 50m MAX. (F, J) |
| RTA02-8D (0402) | 1 W | 25V | 50V | 250 (10R10M) | 10R10M (F:1%, J:5%) | 16 | 8 | 1A | 50m MAX. (F, J) |
| RTA03-2D (0603) | 1 W | 50V | 100V | 200 (10R10M) | 10R10M (F:1%, J:5%) | 4 | 2 | 1A | 50m MAX. (F, J) |
| RTA03-4D (0603) | 1 W | 50V | 100V | 200 (22R470K), 200 (1R10M) | 22R470K (F:1%), 1R10M (D:0.5%, F:1%, J:5%) | 8 | 4 | 1A | 25m MAX. (D), 50m MAX. (F, J) |
| RTA02-2C (0402) | 1 W | 25V | 50V | 650 (3R10), 200 (10R<1M) | 3R10 (D:0.5%, J:5%), 10R<1M (D:0.5%, J:5%) | 4 | 2 | 1A | 50m MAX. (J) |
| RTA02-4C (0402) | 1 W | 25V | 50V | 400 (1R<10), 200 (10R1M) | 1R<10 (D:0.5%, J:5%), 10R1M (D:0.5%, J:5%) | 8 | 4 | 1A | 50m MAX. (J) |
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 D(Convex) Type and C(Concave) Type structures.
Reliability Test Items
The product undergoes various electrical, mechanical, and environmental tests to ensure reliability, including:
- Electrical Performance Tests: Temperature Coefficient of Resistance, Short Time Overload, Insulation Resistance, Dielectric Withstand Voltage, Intermittent Overload.
- Mechanical Performance Tests: Resistance to Solvent, Solderability, Resistance to Soldering Heat, Joint Strength of Solder.
- Environmental Tests: Resistance to Dry Heat, Thermal Shock, Loading Life in Moisture, Load Life.
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), Iron Soldering: 35010 within 3 seconds.
- Recommended Land Pattern Design: Refer to diagrams for specific types.
- Usage Environment Precautions: Not recommended for special environments without confirmation with RALEC.
- Transient Overload Precautions: Avoid transient overloads exceeding product specifications.
- Handling and Processing Precautions: Protect edges and protective layers from mechanical stress. Avoid bending of PCB. Operate within rated power limits. Consider pulse load impacts.
Storage and Handling Conditions
- Storage: 255, 6015% RH for two years.
- Avoid corrosive environments (sea breeze, Cl2, H2S, NH3, SO2, NO2), direct sunlight, and condensation.
- Handle cases with correct orientation, avoid dropping or squeezing.
Marking
Outer boxes for export to mainland China will be marked with the Electronic Information Product Pollution Control Mark and the Packaging Recycling Mark.
Legal Disclaimer
RALEC and its distributors/agents (collectively, "RALEC") assume no liability for any errors, inaccuracies, or incompleteness in product information. RALEC may change product information without notice. RALEC makes no commitment, warranty, or guarantee regarding product suitability for specific purposes or continued production. RALEC is not liable for any application or use of its products, including but not limited to lost profits, direct, indirect, special, punitive, consequential, or incidental damages. Implied warranties, including fitness for a particular purpose, non-infringement, and merchantability, are disclaimed to the fullest extent permitted by law. 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 cause injury or death. Technical advice provided by RALEC is gratuitous, and the buyer assumes all risks associated with its use. The buyer assumes all risks and liabilities for combining RALEC products with other materials or implementing them in any process. RALEC reserves the right to modify specifications without notice; changes will be announced via ECN.
2411221110_RALEC-RTA03-4D681JTP_C102679.pdf
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