Product Overview
The RAxxx Series Metal Alloy Current Sensing Chip Resistors from Parker Microelectronics are designed for high stability and reliability. These resistors feature an epoxy plastic package (UL: 94V-0) and are halogen-free and RoHS compliant. They offer ultra-low resistance values, excellent temperature coefficient characteristics, and high power ratings up to 3 watts, making them suitable for demanding applications in automotive electronics, current sensing, mobile phones, computers, power supplies, battery chargers, and other fields. The series adheres to AEC-Q200 provisions.
Product Attributes
- Brand: Parker Microelectronics ()
- Origin: Shenzhen, China
- Material: Metal Alloy
- Package Type: Plastic Package (Epoxy, UL: 94V-0)
- Certifications/Compliance: Halogen free, RoHS compliant, AEC-Q200 relevant provisions, Pb free
- Mounting Position: Any
- Special Features: Ultra-low resistance values, High Stability, High Reliability, Excellent temperature coefficient characteristics, High power rating
Technical Specifications
| Model | Rated Power | Resistance Range | TCR (ppm/) | Insulation Resistance | Operating Temperature Range |
|---|---|---|---|---|---|
| RA1206 | 1W | 1m~100m (D, F, G, H, J) | 1m: 350; 2m~100m: 50 | >100M | -55~+170 |
| RA1206 (cont.) | 1/2W | 110m~200m (D, F, G, H, J) | 50 | ||
| RA2512 | 2W, 3W | 0.5m~500m (D, F, G, H, J) | 0.5 m, 1m: 350; 2m~500m: 50 | ||
| RA0805 | 1/4W, 1/2W | 1m (D, F, G, H, J) | 350 | >100M | -55~+170 |
| RA0805 (cont.) | 1/2W | 2 m~20m (D, F, G, H, J) | 50 |
Package Dimensions
| Type | L (mm) | W (mm) | T (mm) | E (mm) |
|---|---|---|---|---|
| RA1206 | 3.2 0.20 | 1.6 0.20 | 0.60 0.20 | 0.50 0.20 |
| RA2512 | 6.4 0.20 | 3.2 0.20 | 0.80 0.20 | : 2.20 0.20 : 0.90 0.20 |
| RA0805 | 2.0 0.10 | 1.25 0.10 | 0.60 0.20 | 0.40 0.20 |
Packing Information
| Type | Quantity | Reel Diameter (A) | Reel Width (B) | Hub Diameter (C) | Inner Core Diameter (F) | Box Width (W) |
|---|---|---|---|---|---|---|
| RA0805 | 5000pcs | 178 2.00 | 60.00 1.00 | 13.50 0.50 | 11.40 0.10 | 9.00 0.3 |
| RA1206 | 5000pcs | 178 2.00 | 60.00 1.00 | 13.50 0.50 | 11.40 0.10 | 9.00 0.3 |
| RA2512 | 4000pcs | 178 2.00 | 60.00 1.00 | 13.50 0.50 | 15.40 1.00 | 13.00 0.3 |
Marking on the Resistor's Body
For 0.5%, 1%, 2%, 3%, 5% tolerance products: The marking is 4 digits. The first letter 'R' denotes 10-3. The other three digits declare the resistance value.
Performance & Reliability Test Methods
| Test Item | Test Methods | Test Conditions | R% (Max) |
|---|---|---|---|
| Temperature Coefficient | IEC60115-1 4.8 | TCR=(R-R0)/(t-t0)R0 106 (ppm) R0: resistance at room temp; R: resistance at +125 or +155; t0: room temp; t: test temp (+125 or +155) | 1% |
| ESD test | AEC-Q200-002 | 2KV, 2 times/1s | 1% |
| Solderability | J-STD-002B test B | Dip terminal in flux, then in soldering bath at 2455 for 2~3sec. | 1% |
| Resistance to soldering heat | IEC60115-1 4.13 | Dip terminal in flux, then in soldering bath at 2605 for 101sec. | 1% |
| Mechanical Shock | MIL-STD-202 METHOD 213 | Resistance to 100g's, Normal duration 6ms, half sine shock pulse. | 1% |
| Terminal Bending | AEC-Q200-005 | Min 2mm deflection, 60sec. | 1% |
| Terminal Strength | AEC-Q200-006 | Applied 17.7N (1.8Kg) for 601 seconds. | 1% |
| Biased Humidity | IEC60115-1 4.18 | 1000 hours, 85/85%RH. Specified conditions: 10% of operating power. | 1% |
| Operational life | MIL-STD-202 METHOD 108 | 1000 hours @ 70 with 10% rated current. | 1% |
| Temperature cycling | MIL-STD-202 METHOD 107 | 1000 Cycles (-55 to +125). Devices mounted. Maximum transfer time is 20 seconds. | 1% |
| Short-time overload | IEC60115-1 4.23.4 | Applied 5.0 times of rated power for 5 seconds. | 1% |
| High Temperature Exposure | JESD22 Method JA-104 | 1000 hrs. @ T=125. | 1% |
| Low Temperature operation | MIL-STD-202 METHOD 103 | 45 min. @ T=-55 . | 1% |
| Vibration | MIL-STD-202 METHOD 204 | 5g's for 20min. 12 cycles, 10-2000Hz. | 1% |
| Thermal shock | IEC60115-1 4.13 | Use -55/+125C, Number of cycles is 300. | 1% |
2511271355_PAKER-RA2512F3R100G_C53054981.pdf
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