Metal Alloy Current Sensing Chip Resistors PAKER RA2512F3R010G Suitable for Computers and Automotive
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 Halogen-free and RoHS compliant. They are suitable for a wide range of applications including automotive electronics, current sensing, mobile phones, computers, power supplies, and battery chargers.
Product Attributes
- Brand: (Pakermicro)
- Type: Metal Alloy Current Sensing Chip Resistors
- Material: Metal Alloy
- Compliance: Halogen free, RoHS compliant, Pb free, AEC-Q200 relevant provisions
- Mounting: Any position
- Package: Plastic Package Epoxy UL: 94V-0
Technical Specifications
| Model | Rated Power | Resistance Range | TCR (ppm/) | Insulation Resistance | 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 | 3.2 0.20 x 1.6 0.20 x 0.60 0.20 | 0.50 0.20 |
| RA1206 | 1/2W | 110m~200m (D, F, G, H, J) | 50 | >100M | 3.2 0.20 x 1.6 0.20 x 0.60 0.20 | 0.50 0.20 |
| RA2512 | 2W, 3W | 0.5m~500m (D, F, G, H, J) | 0.5 m , 1m: 350 1m ~4m: 50 2m~500m: 50 | >100M | 6.4 0.20 x 3.2 0.20 x 0.80 0.20 | : 2.20 0.20 : 0.90 0.20 |
| RA0805 | 1/4W, 1/2W | 1m (D, F, G, H, J) | 350 | >100M | 2.0 0.10 x 1.25 0.10 x 0.60 0.20 | 0.40 0.20 |
| RA0805 | 1/4W, 1/2W | 2 m~20m (D, F, G, H, J) | 50 | >100M | 2.0 0.10 x 1.25 0.10 x 0.60 0.20 | 0.40 0.20 |
Marking Code & Information
Part Number Structure: RA [Size] [Rated Power] [Tolerance] [Resistance Value] [Packing Code]
Example: RA2512F3R010G
Resistance Value Codes:
| R-value | Code | R-value | Code | R-value | Code | R-value | Code |
|---|---|---|---|---|---|---|---|
| 0.5m | R50m | 25m | R025 | 80m | R080 | 200m | R200 |
| 1m | R001 | 30m | R030 | 90m | R090 | 220m | R220 |
| 1.5m | 1R5m | 35m | R035 | 100m | R100 | 250m | R250 |
| 2m | R002 | 40m | R040 | 120m | R120 | 270m | R270 |
| 3m | R003 | 50m | R050 | 130m | R130 | 300m | R300 |
| 5m | R005 | 57m | R057 | 140m | R140 | 330m | R330 |
| 10m | R010 | 60m | R060 | 150m | R150 | 360m | R360 |
| 15m | R015 | 68m | R068 | 160m | R160 | 400m | R400 |
| 20m | R020 | 75m | R075 | 180m | R180 | 500m | R500 |
Operating Conditions
- Operating Temperature Range: -55 to +170
- Rated Current Calculation: I = sqrt(P / R)
- Maximum Working Current: Shall be considered if calculated value exceeds table limits.
- Power Derating: Required for ambient temperatures above 70C, refer to derating curve.
Reliability Test Methods
| Test Item | Test Methods | Test Conditions | R% (Max) |
|---|---|---|---|
| Solderability | IEC60115-1 4.18 | 2455 for 2~3sec. | < 1% |
| Resistance to soldering heat | IEC60115-1 4.23.4 | 2605 for 101sec. | < 1% |
| Mechanical Shock | MIL-STD-202 METHOD 213 | 100g's, 6ms half sine shock pulse. | < 1% |
| Terminal Strength | AEC-Q200-006 | 17.7N (1.8Kg) for 601 seconds. | < 1% |
| Terminal Bending | AEC-Q200-005 | Min 2mm deflection, 60sec. | < 1% |
| Biased Humidity | JESD22 Method JA-104 | 85/85%RH, 10% of operating power, 1000 hours. | < 1% |
| Operational life | IEC60115-1 4.13, MIL-STD-202 METHOD 108 | 85/85%RH, 10% of operating power, 1000 hours. | < 1% |
| Temperature cycling | MIL-STD-202 METHOD 107 | -55 to +125, 1000 Cycles. | < 1% |
| Short-time overload | IEC60115-1 4.8 | 5.0 times of rated power for 5 second. | < 1% |
| High Temperature Exposure | MIL-STD-202 METHOD 108 | 1000 hrs. @T=125. | < 1% |
| Low Temperature operation | MIL-STD-202 METHOD 103 | 45 min. @T=-55 . | < 1% |
| ESD test | AEC-Q200-002 | 2KV, 2 times/1s. | < 1% |
| Vibration | MIL-STD-202 METHOD 204 | 5g's for 20min, 10-2000Hz, 12 cycles. | < 1% |
Temperature Coefficient
TCR = (R - R0) / (t - t0) * R0 * 10^6 (ppm)
Where: R0 = resistance at room temperature, R = resistance at test temperature, t0 = room temperature, t = test temperature (+125 or +155).
Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.