RAxxx Series Metal Alloy Current Sensing Chip Resistors
Product Overview
The RAxxx Series Metal Alloy Current Sensing Chip Resistors are designed for high stability and reliability, featuring ultra-low resistance values and excellent temperature coefficient characteristics. These resistors offer high power ratings up to 3 watts and are constructed with a metal alloy element within a plastic package (Epoxy UL: 94V-0). They are Halogen-free, RoHS compliant, and Pb-free, meeting the relevant provisions of AEC-Q200. Ideal for applications in automotive electronics, current sensing, mobile phones, computers, power supplies, and battery chargers, these resistors provide precise current measurement capabilities.
Product Attributes
- Brand: (Pakermicro)
- Origin: Shenzhen, China
- Material: Metal Alloy
- Package Type: Plastic Package (Epoxy UL: 94V-0)
- Compliance: Halogen free, RoHS compliant, Pb free, AEC-Q200 relevant provisions
- Mounting Position: Any
Technical Specifications
| Model | Rated Power | Resistance Range | TCR (ppm/) | Insulation Resistance | Operating Temperature Range | Dimensions (L x W x T) mm | Electrode Size (E) mm |
|---|---|---|---|---|---|---|---|
| RA1206 | 1W | 1m~100m (D, F, G, H, J) | 1m: 350 2m~100m: 50 | >100M | -55~+170 | 3.20.20 x 1.60.20 x 0.600.20 | 0.500.20 |
| RA2512 | 2W, 3W | 0.5m~500m (D, F, G, H, J) | 0.5 m 1m: 350 2m~500m: 50 1m ~4m: 50 | >100M | 6.40.20 x 3.20.20 x 0.800.20 | :2.200.20 :0.900.20 | |
| RA0805 | 1/4W, 1/2W | 1m~20m (D, F, G, H, J) | 1m: 350 2 m~20m: 50 | >100M | 2.00.10 x 1.250.10 x 0.600.20 | 0.400.20 | |
| Making Code & Information: RA [Size] [Rated Power] [Tolerance] [Resistance Value] [Packing Code] [Electrode Size] | |||||||
| Resistance Value Codes: R50m=0.5m, R001=1m, 1R5m=1.5m, R002=2m, R003=3m, R005=5m, R010=10m, R015=15m, R020=20m, R025=25m, R030=30m, R035=35m, R040=40m, R050=50m, R057=57m, R060=60m, R068=68m, R075=75m, R080=80m, R090=90m, R100=100m, R120=120m, R130=130m, R140=140m, R150=150m, R160=160m, R180=180m, R200=200m, R220=220m, R250=250m, R270=270m, R300=300m, R330=330m, R360=360m, R400=400m, R500=500m | |||||||
| Rated Current Calculation: I = sqrt(P / R) (Rated current is limited by maximum working current if calculated value exceeds it) | |||||||
Performance Reliability Test Methods
| Test Item | Test Methods | Test Conditions | R% (Max) |
|---|---|---|---|
| Temperature Coefficient | IEC60115-1 4.8 | TCR=(R-R0)/(t-t0)R0 10 (ppm) | < 1% |
| ESD test | AEC-Q200-002 | 2KV, 2times/1s | < 1% |
| Solderability | J-STD-002B test B | 2455 for 2~3sec | < 1% |
| Resistance to soldering heat | IEC60115-1 4.13 | 2605 for 101sec | < 1% |
| Mechanical Shock | MIL-STD-202 METHOD 213 | 100g's, 6ms, half sine shock pulse | < 1% |
| Terminal Bending | AEC-Q200-005 | Min 2mm deflection, 60sec | < 1% |
| Terminal Strength | AEC-Q200-006 | 17.7N (1.8Kg) for 601 seconds | < 1% |
| Mechanical Vibration | MIL-STD-202 METHOD 204 | 5g's for 20min, 12 cycles, 10-2000Hz | < 1% |
| Thermal shock | MIL-STD-202 METHOD 107 | -55/+125C, 1000 Cycles | < 1% |
| Biased Humidity | IEC60115-1 4.23.4 | 85/85%RH, 1000 hours | < 1% |
| Operational life | IEC60115-1 4.18 | 10% of operating power, 1000 hours @ 85 | < 1% |
| Temperature cycling | JESD22 Method JA-104 | -55 to +125, 300 Cycles | < 1% |
| Short-time overload | MIL-STD-202 METHOD 108 | 5.0 times of rated power for 5 seconds | < 1% |
| High Temperature Exposure | MIL-STD-202 METHOD 103 | 1000 hrs @ T=125 | < 1% |
| Low Temperature operation | N/A | 45 min @ T=-55 | < 1% |
Note: R1 = resistance before test, R2 = resistance after test. Measurement at 244 hours after test conclusion unless otherwise specified.
2508191745_PAKER-RA1206F1R002G_C49652785.pdf
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