Product Overview
The RAxxx Series Metal Alloy Current Sensing Chip Resistors from Pakermicro (Shenzhen) Co., Ltd. are designed for high stability and reliability in demanding applications. These resistors feature an epoxy plastic package (UL: 94V-0), are Halogen-free and RoHS compliant, and offer ultra-low resistance values with excellent temperature coefficient characteristics. They boast high power ratings up to 3 watts and are AEC-Q200 compliant, making them suitable for automotive electronics, current sensing, mobile phones, computers, power supplies, battery chargers, and other fields.
Product Attributes
- Brand: Pakermicro
- Origin: Shenzhen, China
- Material: Metal Alloy
- Package: Plastic Package (Epoxy)
- Certifications: UL: 94V-0, Halogen free, RoHS compliant, AEC-Q200 relevant provisions
- Mounting Position: Any
- Lead Free: Pb free
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 |
| RA1206 | 1/2W | 110m~200m | 50 | >100M | |
| RA2512 | 2W, 3W | 0.5m~500m | 0.5 m , 1m: 350 1m ~4m: 50 2m~500m: 50 | >100M | |
| RA0805 | 1/4W, 1/2W | 1m | 350 | >100M | -55~+170 |
| RA0805 | 1/4W, 1/2W | 2 m~20m | 50 | >100M | -55~+170 |
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 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 |
Package Outline 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 |
Recommended Solder Pad Dimensions
| Type | 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 | 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 | N/A |
| ESD test | AEC-Q200-002 | 2KV, 2times/1s | < 1% |
| Solderability | J-STD-002B test B | Dip the terminal in a flux and then dip into a soldering bath at 2455 for 2~3sec. | < 1% |
| Resistance to soldering heat | IEC60115-1 4.18 | Dip the terminal in a flux and then dip into a 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% |
| Thermal shock | MIL-STD-202 METHOD 107 | -55/+125C, Number of cycles is 300. Devices mounted. Maximum transfer time is 20 seconds. | < 1% |
| Biased Humidity | IEC60115-1 4.23.4 | 1000 hours. 85/85%RH. Specified conditions: 10% of operating power. | < 1% |
| Operational life | IEC60115-1 4.13 | 1000 hours @ 85/85%RH, 10% of operating power. Measurement at 244 hours after test conclusion. | < 1% |
| Temperature cycling | JESD22 Method JA-104 | 1000 Cycles (-55 to +125). Measurement at 244 hours after test conclusion. | < 1% |
| Short-time overload | MIL-STD-202 METHOD 108 | Applied 5.0 times of rated power for 5 second. | < 1% |
| High Temperature Exposure | MIL-STD-202 METHOD 103 | 1000 hrs. @T=125. Measure the variation of resistance 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% |
| Vibration | MIL-STD-202 METHOD 204 | 5g's for 20min. 12cycles, 10-2000Hz. Measure the variation of resistance. | < 1% |
2511271355_PAKER-RA1206F1R003G_C53054965.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
