Overview
The TNPW08052K49BETA is a high-precision thin-film resistor manufactured by Vishay. It is part of the TNPW series, known for its excellent stability and low temperature coefficient. This resistor is designed for applications requiring tight tolerance and high reliability, such as automotive electronics and industrial controls. The TNPW08052K49BETA features a 0805 package size with a resistance value of 2.49 kΩ. Its thin-film technology ensures minimal noise and high accuracy, making it suitable for precision circuits. The resistor is RoHS compliant, ensuring environmental safety.
Structure and Working Principle
The TNPW08052K49BETA is constructed using a thin-film resistive layer deposited on a ceramic substrate. This layer is laser-trimmed to achieve precise resistance values. The resistor's terminals are made of a conductive material, ensuring reliable electrical connections. When integrated into a circuit, the resistor limits current flow according to its resistance value. The thin-film technology provides stability over a wide temperature range, with a low temperature coefficient of resistance (TCR), typically around 25 ppm/°C. This ensures consistent performance in varying environmental conditions.
Key Features
The TNPW08052K49BETA offers several key features, including a tight tolerance of ±0.1%, ensuring high precision in circuit design. Its low TCR of 25 ppm/°C guarantees minimal resistance variation with temperature changes. Additionally, the resistor has a power rating of 0.125W, making it suitable for low-power applications. The thin-film construction reduces parasitic effects, such as inductance and capacitance, which is critical for high-frequency circuits. The RoHS compliance ensures it meets environmental standards.
Application Areas
The TNPW08052K49BETA is widely used in precision electronics, including automotive control systems, medical devices, and industrial automation. Its high accuracy and stability make it ideal for analog signal processing and measurement circuits. In automotive applications, it is used in engine control units (ECUs) and sensor interfaces. In industrial settings, it is employed in process control systems and instrumentation. The resistor's reliability also makes it suitable for aerospace and defense applications where performance under extreme conditions is critical.
Maintenance and Precautions
To ensure optimal performance, the TNPW08052K49BETA should be handled with care to avoid mechanical stress, which could damage the thin-film layer. Soldering should be performed within recommended temperature ranges to prevent thermal damage. Storage conditions should be dry and free from excessive humidity to prevent oxidation of the terminals. Avoid exposing the resistor to corrosive environments or excessive vibration. Proper PCB design, including adequate spacing and thermal management, will enhance longevity and performance.
B2B Procurement Guide
When procuring the TNPW08052K49BETA, consider ordering from authorized distributors like Vishay or reputable electronics suppliers to ensure authenticity. Bulk purchases typically offer cost savings, with prices ranging from $0.10 to $0.50 per unit depending on volume. Verify the resistor's specifications, including tolerance and TCR, to match your application requirements. Lead times may vary, so plan procurement accordingly. Quality certifications, such as ISO 9001, can indicate reliable suppliers. Always request samples for testing before large-scale orders.
Related Manufacturers
- 主营：VISHAY威世、TDK、LINEAR、三极管、BOURNS、EPCOS、SANYO