RTA Series Thick Film Array Chip Resistors
The RTA series resistors are lead-free, halogen-free thick film array chip resistors that comply with RoHS directives. They are designed for general electronic applications.
Product Attributes
- Brand: RALEC
- Origin: Not specified
- Material: Thick film, Ceramic substrate
- Color: Not specified
- Certifications: RoHS compliant
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), 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) | 10R10M (D:0.5%, F:1%, J:5%) | 16 | 8 | 1A | 50m MAX. |
| RTA03-2D (0603) | 1 W | 50V | 100V | 200 (10R10M) | 10R10M (D:0.5%, F:1%, J:5%) | 4 | 2 | 1A | 50m MAX. |
| RTA03-4D (0603) | 1 W | 50V | 100V | 200 (22R470K), 200 (1R10M) | 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%), 10R<1M (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 |
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 | 2.5 times rated voltage for 5 sec. | R=1.0% (0.5%, 1%), R=2.0% (5%) | |
| Insulation Resistance | 100 VDC for 1 min. | 109 | |
| Dielectric Withstand Voltage | 300 VAC for 1 min. | No short or burnout | |
| Intermittent Overload | 2.5 times rated voltage, 1 sec ON, 25 sec OFF, 10,000 cycles | R=5.0% | |
| Mechanical Performance Test | Resistance to Solvent | Immersed in Isopropanol at 20~25 for 50.5 min. | R=0.5% |
| Solderability | Pre-treatment: 105, 100% RH, 1.22105 pa for 4 hrs. Test: Dip in 2355 solder for 20.5 sec. | Soldered area > 95% | |
| Resistance to Soldering Heat | Test 1: Dip in 260+5/-0 solder for 10 sec. Test 2: Dip in 260+5/-0 solder for 30 sec. | Test 1: R%=1.0%. Test 2: Soldered area > 95%, no underlayer visible at electrode edge. | |
| Joint Strength of Solder | Bending test: 5mm deflection | R%=1.0% | |
| Environmental Test | Resistance to Dry Heat | 1555 for 10004 hrs. | R=1.0% (0.5%, 1%), R=2.0% (5%) |
| Thermal Shock | -55 (15 min) to +125 (15 min), 300 cycles | R=1.0% | |
| Loading Life in Moisture | 402, 90~95% RH, rated voltage, 90 min ON, 30 min OFF, 1,000 hrs | R=2.0% (0.5%, 1%), R=3.0% (5%) | |
| Load Life | 702, rated voltage, 90 min ON, 30 min OFF, 1,000 hrs | R=2.0% (0.5%, 1%), R=3.0% (5%) |
Plating Thickness
- Nickel layer (Ni): 2m
- Pure Tin layer (Sn): 3m (Matte tin)
Technical Application Notes
- Recommended soldering conditions: Lead Free IR-Reflow Soldering Profile (J-STD-020), Iron soldering: 35010 within 3 seconds.
- Recommended Land Pattern Design for Reflow Soldering is provided for various types.
- Usage environment considerations: Not recommended for high temperature/humidity, corrosive environments (Cl2, H2S, NH3, SO2, NO2), unverified liquids, unverified resins/coatings, or using water-soluble cleaners after soldering without confirmation.
- Transient overload: Be aware of potential functional loss due to transient overloads.
- Handling and processing: Avoid mechanical stress on edges and protective layers, be careful with PCB bending, operate within rated power, and set operating environment for 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 adverse environments: sea breeze, corrosive gases (Cl2, H2S, NH3, SO2, NO2), direct sunlight, condensation.
- Handling: Ensure correct box orientation, avoid dropping or squeezing to prevent damage.
Marking
- Outer box marking for China mainland export includes Electronic Information Product Pollution Control Mark and Packaging Recycling Mark.
Legal Disclaimer
RALEC and its distributors/agents (collectively "RALEC") are not liable for any errors, inaccuracies, or incompleteness in product information. RALEC may change product information without notice. RALEC makes no promises, warranties, or guarantees regarding product suitability for specific purposes or continued production. RALEC is not liable for any application or use of its products, including profit loss, 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 suitable for automotive electronics, medical life-support or life-sustaining equipment, or any application where failure could result in injury or death. Technical advice provided by RALEC is free of charge, and RALEC assumes no obligation or liability for its use. The buyer assumes all risks and liabilities for the use of RALEC products in combination with other materials or processes. RALEC reserves the right to modify this content without notice; product changes will be announced via ECN.
2411221110_RALEC-RTA02-4D151JTH_C332209.pdf
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