Product Overview
The RAxxx Series Metal Alloy Current Sensing Chip Resistors from Pakermicro (Shenzhen) Co., Ltd. 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, and battery chargers.
Product Attributes
- Brand: Pakermicro
- Origin: Shenzhen, China
- Material: Metal Alloy
- Package: Plastic Package (Epoxy, UL: 94V-0)
- Compliance: Halogen free, RoHS compliant, Pb free, AEC-Q200 relevant provisions
- Mounting Position: Any
- Features: High Stability, High Reliability, Ultra-low resistance values, 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) 110m~200m (D, F, G, H, J) | 1m: 350 2m~100m: 50 110m~200m: 50 | >100M | -55~+170 |
| RA2512 | 2W, 3W | 0.5m~500m (D, F, G, H, J) | 0.5 m, 1m: 350 2m~500m: 50 | >100M | |
| RA0805 | 1/4W, 1/2W | 1m (D, F, G, H, J) 2 m~20m (D, F, G, H, J) | 1m: 350 2 m~20m: 50 | >100M |
Packing Information
| Packing Code | Description |
|---|---|
| G | Reel () |
| V | Bulk () |
Dimensions
| Type | L (mm) | W (mm) | T (mm) | E (mm) |
|---|---|---|---|---|
| RA1206 | 3.20.20 | 1.60.20 | 0.600.20 | 0.500.20 |
| RA2512 | 6.40.20 | 3.20.20 | 0.800.20 | :2.200.20 :0.900.20 |
| RA0805 | 2.00.10 | 1.250.10 | 0.600.20 | 0.400.20 |
Reel Dimensions
| Type | A (mm) | B (mm) | C (mm) | F (mm) | W (mm) | Qty |
|---|---|---|---|---|---|---|
| RA0805 | 1782.00 | 60.001.00 | 13.500.50 | 11.400.10 | 9.000.3 | 5000pcs |
| RA1206 | 1782.00 | 60.001.00 | 13.500.50 | 11.400.10 | 9.000.3 | 5000pcs |
| RA2512 | 1782.00 | 60.001.00 | 13.500.50 | 15.401.00 | 13.000.3 | 4000pcs |
Recommended Solder Pad Dimensions
| Type | Resistance Range | a (mm) | b (mm) | L (mm) |
|---|---|---|---|---|
| RA0805 | 1m~20m | 1.40 | 1.20 | 1.40 |
| RA2512 | 0.5m~4m () | 4.00 | 3.10 | 1.80 |
| RA2512 | 1m~500m | 4.00 | 2.10 | 4.10 |
| RA1206 | 1m~200m | 1.80 | 1.70 | 1.60 |
Performance Reliability Test Methods
| Test Item | Test Methods | Test Conditions | R% |
|---|---|---|---|
| Temperature Coefficient | IEC60115-1 4.8 | TCR=(R-R0)/(t-t0)R0 10 (ppm) | N/A |
| ESD test | AEC-Q200-002 | 2KV, 2times/1s | < 1% |
| Solderability | J-STD-002B test B | Dip terminal in flux, then soldering bath at 2455 for 2~3sec. | < 1% |
| Resistance to soldering heat | IEC60115-1 4.13 | Dip terminal in flux, then soldering bath at 2605 for 101sec. | < 1% |
| Mechanical Shock | MIL-STD-202 METHOD 213 | Resistance to 100g's, Normal duration is 6ms, half sine shock pulse. | < 1% |
| Resistance to vibration | MIL-STD-202 METHOD 204 | 5g's for 20min. 12cycles, 10-2000Hz. | < 1% |
| Terminal Bending | AEC-Q200-005 | Min 2mm deflection, 60sec. | < 1% |
| Terminal Strength | AEC-Q200-006 | Applied a 17.7N (1.8Kg) for 601seconds. | < 1% |
| Biased Humidity | IEC60115-1 4.23.4 | 1000 hours, 85/85%RH. Specified conditions: 10% of operating power. | < 1% |
| Operational life | IEC60115-1 4.18 | 1000 hours @ 85/85%RH, 10% of operating power. Measurement at 244 hours after test conclusion. | < 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 | JESD22 Method JA-104 | Applied 5.0 times of rated power for 5 second. | < 1% |
| High Temperature Exposure | MIL-STD-202 METHOD 103 | 1000 hrs. @T=125. Measurement at 244 hours after test conclusion. | < 1% |
| Low Temperature operation | MIL-STD-202 METHOD 108 | 45 min. @T=-55 . Measure the variation of resistance after test conclusion. | < 1% |
| Thermal shock | IEC60115-1 4.8 | -55/+125C, Number of cycles is 300. | < 1% |
2508191745_PAKER-RA1206F1R005G_C49652786.pdf
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