RAxxx Series Metal Alloy Current Sensing Chip Resistors
Product Overview
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 sensors, 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, AEC-Q200 provisions
- Mounting Position: Any
- Electrode: Large electrode () and small electrode () options
Technical Specifications
| Model | Rated Power | Resistance Range | TCR (ppm/) | Insulation Resistance | Operating Temperature Range |
|---|---|---|---|---|---|
| RA1206 | 1W | 1m~100m | 1m: 350 2m~100m: 50 | >100M | -55~+170 |
| 1/2W | 110m~200m | 50 | |||
| RA2512 | 2W, 3W | 0.5m~500m | 0.5 m 1m: 350 2m~500m: 50 | ||
| RA0805 | 1/4W, 1/2W | 1m | 350 | >100M | -55~+170 |
| 2 m~20m | 50 |
Dimensions (Unit: mm)
| 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 |
Marking Code & Information
Type: RA (Metal Alloy Current Sensing Chip Resistors)
Size: 1206, 2512, 0805
Rated Power: A=1/2W, 1=1W, 2=2W, 3=3W
Tolerance: D=0.5%, F=1%, G=2%, H=3%, J=5%
Resistance value: e.g., R50m=0.5m, R002=2m, R010=10m, 1R5m=1.5m
Packing Code: G= reel (), V= bulk ()
Electrode size: e.g., RA2512F3R001 (2512, 3W, 1%, 0.01, reel)
Marking on the Resistor's Body (for 0.5%, 1%, 2%, 3%, 5% tolerance): 4 digits. The first letter 'R' denotes 10-3. The other three digits declare resistance.
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 |
Performance Reliability Test Methods
| Test Item | Test Methods | Test Conditions | R% |
|---|---|---|---|
| Temperature Coefficient | TCR=(R-R0)/(t-t0)R0 106 (ppm) | R0 resistance at room temperature, R resistance at +125 or +155, t0 room temperature, t test temperature +125 or +155 | < 1% |
| ESD test | AEC-Q200-002 | 2KV, 2times/1s | < 1% |
| Solderability | J-STD-002B test B | Dip terminal in flux, then into soldering bath at 2455 for 2~3sec. | < 1% |
| Resistance to soldering heat | IEC60115-1 4.18 | Dip terminal in flux, then into 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% |
| Terminal Bending | AEC-Q200-005 | Min 2mm deflection, 60sec. | < 1% |
| Terminal Strength | AEC-Q200-006 | Applied a 17.7N (1.8Kg) for 601seconds. | < 1% |
| Resistance to 100g's | MIL-STD-202 METHOD 204 | 5g's for 20min. 12 cycles, 10-2000Hz. | < 1% |
| Biased Humidity | IEC60115-1 4.23.4 | 1000 hours, 85/85%RH. 10% of operating power. | < 1% |
| Operational life | IEC60115-1 4.13 | 1000 hours @ 70, applied rated current for 1.5H and rested for 0.5H repeatedly. | < 1% |
| Temperature cycling | MIL-STD-202 METHOD 107 | 1000 Cycles (-55 to +125). Devices mounted. Max transfer time is 20 seconds. | < 1% |
| Short-time overload | IEC60115-1 4.8 | Applied 5.0 times of rated power for 5 second. | < 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% |
| Thermal shock | MIL-STD-202 METHOD 108 | -55/+125C, Number of cycles is 300. | < 1% |
2511271355_PAKER-RA1206F1R020G_C53054972.pdf
Please Use Our Online Inquiry Contact Form Below If You Have Any Questions, Our Team Will Get Back To You As Soon As Possible
