The Royal Ohm 0603WAF3902T5E is a surface-mount chip resistor designed for general-purpose applications in electronic circuits. This resistor utilizes a thick film resistive element and offers stable performance within a compact 0603 package size. It is commonly used for current limiting, voltage division, and pull-up/pull-down resistor configurations.

Applications

• Current limiting in LED circuits
• Voltage dividers for sensor circuits
• Pull-up and pull-down resistors for microcontroller I/O pins
• Termination resistors for signal lines
• General-purpose resistance in electronic circuits
• Consumer Electronics

Features

• Small 0603 package size
• Thick film resistive element
• Stable performance
• Surface-mount technology (SMT)
• RoHS compliant

Benefits

• Compact size allows for high-density circuit designs
• Reliable performance in a variety of applications
• Easy to assemble using standard SMT soldering techniques
• Environmentally friendly due to RoHS compliance
• Suitable for automated assembly processes

Additional Details

The 0603WAF3902T5E has a resistance value of 39.0 kΩ (kiloohms) with a tolerance of ±1%. The power rating is typically 1/10W or 0.1W. The operating temperature range is usually -55°C to +155°C. The temperature coefficient of resistance (TCR) is a crucial parameter that indicates how much the resistance changes with temperature; it is often specified as ±100 ppm/°C or ±200 ppm/°C. It's essential to consult the official Royal Ohm datasheet for the exact specifications, including the resistance value, tolerance, power rating, TCR, and operating temperature range. Proper soldering techniques are crucial for ensuring reliable connections. Avoid overheating the resistor during soldering, as it can affect its resistance value and long-term stability. The 0603 package size has dimensions of 0.063 inches x 0.031 inches (1.6 mm x 0.8 mm). These resistors are commonly available on tape and reel for automated assembly. Ensure the resistor is properly placed on the PCB pads before soldering. Reflow soldering is the typical method used for mass production, while hand soldering is suitable for prototyping and small-scale production runs.