An Overview: 47K 1% 1206 Chip Resistor
The 47K 1% 1206 chip resistor is a precision surface-mount resistor used extensively in electronic circuits where high accuracy and stability are required. It features a nominal resistance of 47,000 ohms (47K) with a tight tolerance of ±1%, indicating that the actual resistance value can vary by only 1% from the specified value. The “1206” designation refers to its package size, measuring 3.2 mm x 1.6 mm, which is compatible with modern electronics manufacturing processes.
Specifications
Parameter | Value |
---|---|
Resistance Value | 47,000 ohms (47K) |
Tolerance | ±1% |
Power Rating | Typically 0.25W (250mW) |
Package Size | 1206 (3.2 mm x 1.6 mm) |
Temperature Coefficient | ±100 ppm/°C (typical) |
Operating Temperature Range | -55°C to +155°C |
Maximum Working Voltage | Varies by manufacturer, typically around 200V |
Termination Style | SMD (Surface-Mount Device) |
Construction | Thick film or thin film technology |
Features
- High Precision: The ±1% tolerance ensures accurate resistance values, making it suitable for precision circuits.
- Compact Size: The 1206 package allows for high-density mounting on PCBs, enabling space-efficient designs.
- Surface Mount Technology (SMT): Compatible with automated assembly processes, improving manufacturing efficiency.
- Wide Operating Temperature Range: Ensures stable performance across varying environmental conditions.
- Low Temperature Coefficient: The ±100 ppm/°C temperature coefficient ensures minimal resistance drift over temperature.
- High Power Rating: Capable of handling typical power dissipation in electronic circuits.
- Excellent Stability: Demonstrates stable performance over time and under different operating conditions.
- Cost-Effective: Despite its precision, it remains cost-effective for many applications.
Applications
- Precision Electronics: Used in precision measurement equipment, instrumentation, and calibration circuits.
- Signal Processing: Employed in analog signal processing circuits where accuracy is critical.
- Feedback Networks: Integrated into feedback networks in amplifiers and control systems for stability and accuracy.
- Voltage Dividers: Utilized in voltage divider circuits for generating precise voltage references.
- Data Acquisition Systems: Found in data acquisition systems where accurate signal conditioning is necessary.
- Test and Measurement: Used in test and measurement equipment for calibration and signal conditioning.
- Medical Devices: Incorporated into medical devices such as patient monitoring systems and diagnostic equipment.
- Industrial Automation: Employed in industrial automation systems for control and monitoring applications.
- Communications Equipment: Used in telecommunications equipment for signal processing and filtering.
Detailed Discussion
- Precision and Accuracy: The 47K 1% 1206 chip resistor offers high precision and accuracy, making it suitable for applications where precise resistance values are crucial. The tight ±1% tolerance ensures minimal deviation from the specified resistance value, contributing to the overall accuracy of the circuit.
- Temperature Stability: With a low temperature coefficient of ±100 ppm/°C, the resistor exhibits excellent stability over temperature variations. This characteristic is vital in maintaining circuit performance under changing environmental conditions, ensuring consistent operation in diverse applications.
- Power Handling Capability: Despite its compact size, the 1206 chip resistor can handle typical power dissipation encountered in electronic circuits. This feature makes it suitable for a wide range of applications without compromising performance or reliability.
- Applications in Circuit Design: The 47K 1% 1206 chip resistor finds application in various precision electronic circuits, including voltage dividers, feedback networks, signal conditioning circuits, and data acquisition systems. Its high precision, stability, and accuracy make it indispensable in industries such as aerospace, automotive, telecommunications, medical, and industrial automation.
- Manufacturing and Reliability: Surface-mount technology (SMT) ensures consistent placement and soldering of the 1206 chip resistor during automated assembly processes, enhancing manufacturing efficiency and product reliability. The resistor’s robust construction and stable performance contribute to its reliability in demanding operating environments.
- Cost-Effectiveness: Despite its precision and accuracy, the 47K 1% 1206 chip resistor remains cost-effective for many applications. Its high-performance characteristics and compatibility with automated manufacturing processes make it a preferred choice for electronic designers seeking precision without compromising cost-effectiveness.
Conclusion
In summary, the 47K 1% 1206 chip resistor offers high precision, stability, and accuracy for a wide range of electronic applications. Its compact size, high power rating, and compatibility with automated manufacturing processes make it a versatile component in modern electronics design. Whether used in precision measurement equipment, signal processing circuits, or industrial automation systems, the 47K 1% 1206 chip resistor ensures reliable performance and accurate results, contributing to the advancement of technology across various industries.
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