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 | Number of Terminals | Number of Resistors | Rated Current (JUMPER 0) | Max. Resistance (JUMPER 0) |
|---|---|---|---|---|---|---|---|---|---|
| RTA02-2D (0402) | 1 W | 25V | 50V | 300 (1R<10), 200 (10R10M) | 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), 200 (10R10M) | 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 | 50m MAX. |
| RTA03-2D (0603) | 1 W | 50V | 100V | 200 | 10R10M (D:0.5%, F:1%, J:5%) | 4 | 2 | 1A | 50m MAX. |
| RTA03-4D (0603) | 1 W | 50V | 100V | 200 (22R470K) | 1R10M (D:0.5%, F:1%, J:5%) | 8 | 4 | 1A | 25m MAX. |
| RTA02-2C (0402) | 1 W | 25V | 50V | 650 (3R10), 200 (10R<1M) | 3R10 (D:0.5%), 10R1M (D:0.5%, F:1%, J:5%) | 4 | 2 | 1A | 50m MAX. |
| RTA02-4C (0402) | 1 W | 25V | 50V | 400 (1R<10), 200 (10R1M) | 1R<10 (D:0.5%), 10R1M (D:0.5%, F:1%, J:5%) | 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 |
Structure Diagram
See original document for detailed structure diagrams of D (Convex) Type and C (Concave) Type.
Reliability Test Items
| Category | Item | Conditions | Specifications |
|---|---|---|---|
| Electrical Performance Test | Temperature Coefficient of Resistance | JIS-C5201-1 4.8 | See Specification Table |
| Short Time Overload | JIS-C5201-1 4.13 | 0.5%, 1%: R=1.0%; 5%: R=2.0% | |
| Insulation Resistance | JIS-C5201-1 4.6 | 109 | |
| Dielectric Withstand Voltage | JIS-C5201-1 4.7 | No short circuit or burn | |
| Intermittent Overload | JIS-C5201-1 4.13 | R=5.0% | |
| Mechanical Performance Test | Resistance to Solvent | JIS-C5201-1 4.29 | R=0.5% |
| Solderability | JIS-C5201-1 4.17 | Conductor tinning area > 95% | |
| Resistance to Soldering Heat | JIS-C5201-1 4.18 | Item 1: R%=1.0%; Item 2: Tinning area > 95%, no underlying material visible | |
| Environmental Test | Resistance to Dry Heat | JIS-C5201-1 4.25 | 0.5%, 1%: R=1.0%; 5%: R=2.0% |
| Thermal Shock | MIL-STD 202 Method 107 | R=1.0% | |
| Loading Life in Moisture | JIS-C5201-1 4.24 | 0.5%, 1%: R=2.0%; 5%: R=3.0% | |
| Load Life | JIS-C5201-1 4.25 | 0.5%, 1%: R=2.0%; 5%: R=3.0% |
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), Soldering Iron: 35010 within 3 seconds.
- Recommended Land Pattern Design for Reflow Soldering is provided in the original document.
- Environmental Precautions: Product is for general electronic use. RALEC is not responsible for damages in special environments. Confirmation with RALEC is required for special applications (high temperature/humidity, corrosive environments, non-verified liquids, etc.).
- Transient Overload Precautions: Avoid transient overloads exceeding product specifications.
- Handling Precautions: Protect resistor edges and protective coating from mechanical stress. Avoid bending of PCB. Operate within rated power. Consider pulse load impacts. Evaluate and confirm in actual application for fail-safe design.
Storage and Handling Conditions
- Storage: 255, 6015% RH for two years.
- Avoid harsh environments: sea breeze, corrosive gases (Cl2, H2S, NH3, SO2, NO2), direct sunlight, condensation.
- Handle with care: Maintain correct box orientation, avoid dropping or crushing to prevent damage.
Marking
Outer boxes for export to mainland China will be marked with the Electronic Information Product Pollution Control Mark and Packaging Recycling Mark.
Attachment
- Document Revision Record (QA-QR-027)
Legal Disclaimer
RALEC and its distributors/agents (collectively "RALEC") assume no liability for any errors, inaccuracies, or incompleteness in product information. RALEC may change or improve product information without notice. RALEC makes no commitment, warranty, or guarantee regarding product suitability for specific purposes or continuous 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 maximum 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 free of charge, and RALEC assumes no obligation or liability for the results obtained. The buyer assumes all risks associated with the use of RALEC products in combination with other materials or processes. RALEC reserves the right to modify this content without notice. Any product changes will be announced via ECN.
2411221110_RALEC-RTA03-4D474JTP_C102674.pdf
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