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. They offer reliable performance and are available in various configurations to meet diverse circuit needs.
Product Attributes
- Brand: RALEC
- Compliance: RoHS, Lead-free, Halogen-free
- Application: General Electronic Purpose
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%) | 4 | 2 | 1A | 25m MAX. |
| RTA02-4D (0402) | 1 W | 25V | 50V | ±300 | 1R<10 (D:±0.5%), 10R10M (D:±0.5%) | 8 | 4 | 1A | 25m MAX. |
| RTA02-8D (0402) | 1 W | 25V | 50V | ±250 | 10R10M (D:±0.5%) | 16 | 8 | 1A | -- |
| RTA03-2D (0603) | 1 W | 50V | 100V | ±200 | 10R10M (D:±0.5%) | 4 | 2 | 1A | -- |
| RTA03-4D (0603) | 1 W | 50V | 100V | ±200 | 22R470K (F:±1%), 1R10M (D:±0.5%), 1R10M (J:±5%) | 8 | 4 | 1A | 25m MAX. |
| RTA02-2C (0402) | 1 W | 25V | 50V | ±650 | 3R10 (D:±0.5%), 10R<1M (D:±0.5%) | 4 | 2 | 1A | -- |
| RTA02-4C (0402) | 1 W | 25V | 50V | ±400 | 1R<10 (D:±0.5%), 10R1M (D:±0.5%) | 8 | 4 | 1A | -- |
Dimensions (mm)
| Type | L | W | H | L1 | L2 | P | Q |
|---|---|---|---|---|---|---|---|
| RTA02-2D (0402) | 1.00±0.10 | 1.00±0.10 | 0.30±0.05 | 0.15±0.10 | 0.25±0.10 | (0.67) | 0.33±0.10 |
| RTA02-4D (0402) | 2.00±0.10 | 1.00±0.10 | 0.40±0.10 | 0.20±0.10 | 0.25±0.10 | (0.50) | 0.30±0.10 |
| RTA02-8D (0402) | 4.00±0.20 | 1.60±0.10 | 0.40±0.10 | 0.30±0.15 | 0.30±0.10 | (0.50) | 0.25±0.10 |
| RTA03-2D (0603) | 1.60±0.15 | 1.60±0.15 | 0.45±0.10 | 0.30±0.15 | 0.30±0.15 | (0.80) | 0.60±0.10 |
| RTA03-4D (0603) | 3.20±0.20 | 1.60±0.15 | 0.50±0.10 | 0.30±0.15 | 0.30±0.15 | (0.80) | 0.50±0.10 |
| RTA02-2C (0402) | 1.00±0.10 | 1.00±0.10 | 0.30±0.10 | 0.18±0.10 | 0.25±0.10 | (0.50) | 0.30±0.10 |
| RTA02-4C (0402) | 2.00±0.10 | 1.00±0.10 | 0.40±0.10 | 0.15±0.10 | 0.25±0.10 | (0.50) | 0.30±0.10 |
Structure Diagram
Refer to the provided diagrams for detailed structural components of both Convex (D) and Concave (C) types.
Reliability Test Items
Electrical Performance Test
| Item | Conditions | Specifications |
|---|---|---|
| Temperature Coefficient of Resistance | According to JIS-C5201-1 4.8 | See Specifications Table |
| Short Time Overload | According to JIS-C5201-1 4.13 | 0.5%, 1%: △R=±1.0%; 5%: △R=±2.0% |
| Insulation Resistance Test | According to JIS-C5201-1 4.6 | ≥109Ω |
| Dielectric Withstand Voltage | According to JIS-C5201-1 4.7 | No short circuit or burn marks. |
| Intermittent Overload | According to JIS-C5201-1 4.13 | △R=±5.0% |
Mechanical Performance Test
| Item | Conditions | Specifications |
|---|---|---|
| Resistance to Solvent | According to JIS-C5201-1 4.29 | △R=±0.5% |
| Solderability | According to JIS-C5201-1 4.17 | Soldered area should be greater than 95%. |
| Resistance to Soldering Heat | According to JIS-C5201-1 4.18 | Test Item 1: △R%=±1.0%; Test Item 2: Soldered area >95%, no underlying material visible at electrode edge. |
| Joint Strength of Solder | According to JIS-C5201-1 4.33 | △R%=±1.0% |
Environmental Test
| Item | Conditions | Specifications |
|---|---|---|
| Resistance to Dry Heat | According to JIS-C5201-1 4.25 | 0.5%, 1%: △R=±1.0%; 5%: △R=±2.0% |
| Thermal Shock | According to MIL-STD 202 Method 107 | △R=±1.0% |
| Moisture Load Life | According to JIS-C5201-1 4.24 | 0.5%, 1%: △R=±2.0%; 5%: △R=±3.0% |
| Load Life | According to JIS-C5201-1 4.25 | 0.5%, 1%: △R=±2.0%; 5%: △R=±3.0% |
Plating Thickness
- Nickel (Ni) Layer: ≥2μm
- Pure Tin (Sn) Layer: ≥3μm
- Plating: Matte tin
Technical Application Notes
- Recommended Soldering Conditions: Lead Free IR-Reflow Soldering Profile (J-STD-020); Soldering Iron: 350±10 within 3 seconds.
- Recommended Land Pattern Design: Refer to the provided diagrams for specific land pattern dimensions for different types.
- Usage Environment Precautions: This product is for general electronic use. RALEC is not responsible for damages or losses incurred from use in special environments. Confirmation with RALEC is required for special applications.
- Transient Overload Precautions: Be mindful of transient overloads that may cause functional loss.
- Handling and Operation Precautions: Avoid mechanical stress on resistor edges and protective layers. Handle PCBs carefully to prevent bending-induced stress on resistors. Operate within rated power limits. Consider pulse load impacts and implement fail-safe designs.
Storage and Handling Conditions
- Storage: Store in 25±5, 60±15% RH for up to two years.
- Avoid harsh environments such as sea breeze, corrosive gases (Cl2, H2S, NH3, SO2, NO2), direct sunlight, and condensation.
- Handle boxes with care to prevent damage to products and electrodes. Ensure correct orientation.
Marking
Outer boxes will be marked with Electronic Information Product Pollution Control Marks and Packaging Recycling Marks for export to mainland China.
Attachment
- Document Revision Record Table (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 reserves the right to change or improve 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. All implied warranties, including fitness for a particular purpose, non-infringement, and merchantability, are disclaimed to the extent permitted by law. This product is defined for general electronic use and is not intended for automotive electronics, medical life support or life-sustaining equipment, or any application where failure could result in personal 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-RTA03-4D560JTP_C102678.pdf
Please Use Our Online Inquiry Contact Form Below If You Have Any Questions, Our Team Will Get Back To You As Soon As Possible
