Energy and Smart Grid
Precision resistors are also crucial components in the field of energy and smart grid technologies. They play a significant role in various applications related to power generation, transmission, distribution, and energy management. Here are some key areas where precision resistors are utilized in the energy and smart grid sectors:
- Current Sensing and Measurement
- Voltage Dividers and Calibration
- Feedback and Control Circuits
- Energy Metering and Billing
- Power Factor Correction
- Temperature and Environmental Sensors
- Grid Stability and Protection
The proper selection and implementation of precision resistors are essential to ensure the reliability, efficiency, and safety of energy and smart grid systems. The resistors’ accuracy, stability, and thermal characteristics must be carefully considered to meet the stringent requirements of these critical applications.
| Series | Product | Description | Resistance Range | Tolerance | TCR ppm/°C | Rated Power @70°C | Datasheet |
|---|---|---|---|---|---|---|---|
| CSM2512 & CSM3637 |  | Metal strip chip resistor | 1mΩ to 200mΩ | ±0.1% to ±1% | ±15 | Up to 3W |  |
| CSM2512S &CSM3637S |  | Current sensing chip resistor | 10mΩ to 100mΩ | ±0.1% to ±1% | ±15 | Up to 2W | |
| CSM3637P |  | Improved power metal strip resistor | 3mΩ to 100mΩ | ±0.1% to ±1% | ±15 | Up to 5W | |
| CSM3637Z |  | Current sensing chip resistor | 3mΩ to 50mΩ | ±0.1% | ±5 | Up to 3W | |
| VCS1610 |  | 4-terminal Current sensing chip resistor | 0.1Ω to 1Ω | ±0.5% to ±1% | ±2 | 0.25W | |
| VCS1610Z |  | 4-terminal Current sensing chip resistor | 0.3Ω to 1Ω | ±0.5% to ±1% | ±0.2 | 0.25W | |
| VCS1625 |  | 4-terminal Current sensing chip resistor | 10mΩ to 10Ω | ±0.5% to ±2% | ±2 | 0.5W | |
| VCS1625P |  | Z-foil current sensing chip resistor | 10mΩ to 10Ω | ±0.1% to ±2% | ±2 | 1W | |
| VCS1625Z |  | Z-foil current sensing chip resistor | 0.3Ω to 10Ω | ±0.2% to ±2% | ±0.2 | 0.5W | |
| VCS1625ZP |  | Z-foil current sensing chip resistor | 0.3Ω to 10KΩ | ±0.2% to ±2% | ±0.2 | 1W | |
| VPR220S & VPR221S |  | TO-220 power resistor (2/4-terminal) | 5Ω to 10KΩ | ±0.01% to ±1% | ±2 | 8W on heat sink,1.5W in free air | |
| VPR220SZ &VPR221SZ |  | TO-220 precision power resistors (2/4-terminal) | 5Ω to 10KΩ | ±0.01% to ±1% | ±0.2 | 8W on heat sink,1.5W in free air | |
| VCS201, VCS202 |  | Conformally Coated Precision Current Sensing Resistors | 5mΩ to 0.2Ω | ±0.1% to ±5% | ±10 | 1.5W to 2W | |
| VCS232 |  | Power current sensing resistor | 0.2Ω to 500Ω | ±0.02% to ±5% | ±2 | 2W | |
| VCS232Z |  | Power current sensing resistor | 0.25Ω to 500Ω | ±0.02% to ±1% | ±0.2 | 2W | |
| VCS301, VCS302 |  | 4-Terminal power current sensing resistor | 5mΩ to 0.25Ω | ±0.5% to ±5% | ±3 | 10W on heat sink,3W in free air | |
| VCS331, VCS332 |  | 4-Terminal power current sensing resistor | 0.25Ω to 500Ω | ±0.1% to ±5% | ±1 | 10W on heat sink,3W in free air | |
| VFP3, VFP4 |  | Molded Power Current Sensing Resistors | 50mΩ to 80KΩ | ±0.01% to ±5% | ±2 | 10W on heat sink,3W in free air | |
| VHP3, VHP4, VPR247 |  | Hermetically Sealed Molded Power Current Sensing Resistors | 50mΩ to 80KΩ | ±0.01% to ±5% | - | 10W on heat sink,3W in free air | |
| DSM |  | SMD molded voltage divider | 100Ω to 20KΩ | ±0.01% to ±0.05% | ±2 | 0.05W per element | |
| DSMZ |  | SMD molded voltage divider | 100Ω to 10KΩ | ±0.01% to ±0.05% | ±0.2 | 0.05W per element | |
| SMN |  | 4- Resistor Network Dual-In-Line Molded Package 50 MIL Pitch | 100Ω to 20KΩ | ±0.01% to ±0.05% | ±2 | 0.1W per element | |
| SMNH |  | 4-Resistor Surface Mount Hermetic Network | 5Ω to 33KΩ | ±0.005% to ±0.01% | ±2 | 0.1W per element | |
| SMNZ |  | 4-Resistor Surface Mount Network Dual-In-Line Molded Package | 100Ω to 10KΩ | ±0.01% to ±0.05% | ±0.2 | 0.1W per element | |
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