The WF08H2490DTL is a thick film chip resistor manufactured by Walsin Technology Corporation, designed for a variety of electronic applications requiring precise resistance and reliable performance. Its 0805 package size makes it suitable for applications where a balance between size and power handling is needed.
Applications
- Consumer Electronics: Used in devices such as smartphones, tablets, and audio equipment for current limiting, voltage division, and pull-up/pull-down resistor applications.
- Industrial Equipment: Incorporated in control systems, power supplies, and instrumentation for signal conditioning and circuit protection.
- Automotive Electronics: Employed in automotive control units (ECUs), sensor circuits, and lighting systems where reliable resistance values are required.
- Medical Devices: Utilized in patient monitoring equipment, diagnostic tools, and therapeutic devices where precision and reliability are critical.
- LED Lighting: Used to limit current in LED circuits to protect the LEDs and ensure consistent light output.
Features
- Resistance Value: 249 Ω
- Tolerance: ±0.5%
- Power Rating: 0.125W
- Temperature Coefficient: ±100 ppm/°C
- Package Size: 0805 (2012 Metric)
- Termination: Standard wraparound termination for reliable soldering.
- RoHS Compliant: Lead-free and compliant with the Restriction of Hazardous Substances (RoHS) directive.
Benefits
- High Precision: The ±0.5% tolerance ensures accurate resistance values, which is essential for precise circuit operation.
- Stable Performance: The ±100 ppm/°C temperature coefficient ensures stable resistance over a wide range of operating temperatures.
- Compact Size: The 0805 package allows for efficient mounting on circuit boards, balancing space-saving with power dissipation capabilities.
- Reliable Operation: The thick film construction and wraparound termination provide excellent mechanical and electrical stability.
- RoHS Compliance: Meets environmental regulations, making it suitable for use in environmentally conscious products.
Additional Details
The WF08H2490DTL resistor is designed for reflow soldering processes and is capable of withstanding high temperatures during assembly. The resistor's 249 Ω resistance value is suitable for many common circuit applications, and its tight tolerance ensures consistent circuit performance. It is supplied on tape and reel for automated assembly, increasing its suitability for high-volume manufacturing.