Lead Free Thick Film Array Chip Resistors RALEC RTA03-4D820JTP RoHS Compliant for Electronic Devices
RTA Series Thick Film Array Chip Resistors
The RTA series are lead-free, halogen-free, RoHS compliant thick film array chip resistors designed for general electronic applications. They offer reliable performance and are available in various configurations to meet diverse circuit needs.
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 (D 0.5%) | Resistance Range (F 1%) | Resistance Range (J 5%) | Number of Terminals | Number of Resistors | JUMPER (0) Rated Current | JUMPER (0) Resistance Max. |
| RTA02-2D (0402) | 1W | 25V | 50V | 300 | 1R | 1R | 10R10M | 4 | 2 | 1A | 25m |
| RTA02-4D (0402) | 1W | 25V | 50V | 300 | 1R | 1R | 10R10M | 8 | 4 | 1A | 25m |
| RTA02-8D (0402) | 1W | 25V | 50V | 250 | 10R10M | 1R10M | 10R10M | 16 | 8 | 1A | 50m |
| RTA03-2D (0603) | 1W | 50V | 100V | 200 | 10R10M | 1R10M | 10R10M | 4 | 2 | 1A | 50m |
| RTA03-4D (0603) | 1W | 50V | 100V | 200 | 22R470K | 1R10M | 1R10M | 8 | 4 | 1A | 25m |
| RTA02-2C (0402) | 1W | 25V | 50V | 650 | 3R10 | 3R | 10R | 4 | 2 | 1A | 50m |
| RTA02-4C (0402) | 1W | 25V | 50V | 400 | 1R | 1R | 10R1M | 8 | 4 | 1A | 50m |
Operating Temperature Range: -55 ~ +155
Packaging Types: Refer to IE-SP-054 for details on packaging types including TH, H2, H3, H4, 5H (2 mm Pitch Carrier Tape) and P2, P3, P4, 5 (4 mm Pitch Carrier Tape).
Type Naming Convention: RTA 02 - 4 D 100 J TH (Type, Size, Number of Circuits, Electrode Structure, Resistance Value, Tolerance, Packaging Type)
Electrode Structures: D: Convex Electrode, C: Concave Electrode
Resistance Value Encoding: 3-digit (e.g., 10=100, 4.7=4R7, JUMPER=000), 4-digit (e.g., 10.2=10R2, 10K=1002, JUMPER=0000)
Tolerance Codes: J= 5%, D= 0.5%, F= 1%
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: Includes ceramic substrate, resistive layer, protective coatings, inner and terminal electrodes, and plating (Ni and Sn).
Plating Thickness: Ni layer 2m, Pure Tin layer 3m (matte tin).
Reliability Test Items: Includes Electrical Performance Tests (TCR, 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), and Environmental Tests (Resistance to Dry Heat, Thermal Shock, Loading Life in Moisture, Load Life).
Recommended Soldering Conditions:
- Lead Free IR-Reflow Soldering Profile (J-STD-020 compliant): Max component temperature 260+5/-0, 10 seconds.
- Soldering Iron Method: 35010 within 3 seconds.
Recommended Land Pattern Design (For Reflow Soldering): Specific land pattern dimensions (A, B, P, Q1, Q2) are provided for different RTA types.
Storage and Handling Conditions: Store in 255, 6015% RH for up to two years. Avoid corrosive environments, direct sunlight, and condensation. Handle with care to prevent damage to electrodes or body.
Marking: Outer boxes for export to mainland China will be marked with the Electronic Information Product Pollution Control Mark and the Packaging Recycling Mark.
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