The RD412DLTE390J is a thick film chip resistor manufactured by KOA Speer. This type of resistor is designed for surface mount applications and is commonly used in a wide variety of electronic circuits for current limiting, voltage division, and other resistance-related functions.

Applications

• Current Limiting: Restricting current flow to protect circuit components.
• Voltage Division: Creating specific voltage levels in a circuit.
• Pull-up/Pull-down Resistors: Setting logic states in digital circuits.
• Feedback Resistors: Used in amplifier circuits to control gain.
• Impedance Matching: Ensuring efficient signal transfer in RF circuits.

Features

• Resistance Value: 39 Ω (390J indicates 39 x 10^0 ohms with a tolerance code of J).
• Tolerance: ±5% (denoted by the 'J' in the part number).
• Power Rating: Typically 0.1W or 0.063W; always verify with the datasheet.
• Temperature Coefficient of Resistance (TCR): Typically ±200 ppm/°C or better.
• Surface Mount Package: Suitable for automated assembly processes.

Benefits

• Accurate Resistance: Provides a stable and reliable resistance value.
• Compact Size: Enables high-density circuit designs.
• Easy to Assemble: Compatible with standard SMT assembly equipment.
• Wide Operating Temperature: Operates reliably over a broad range of temperatures.
• Cost-Effective: Provides a good balance of performance and price.

Additional Details

The RD412DLTE390J usually comes in a 0805 or 0603 package size. Refer to the official KOA Speer datasheet for details regarding package size, power rating, maximum voltage, and operating temperature range. This resistor is widely used in consumer electronics, industrial control systems, and other electronic devices. Proper soldering techniques are essential to ensure a reliable connection and prevent damage to the resistor. Careful handling is also important to avoid electrostatic discharge (ESD) damage. Always consult the official KOA Speer datasheet for the most accurate and up-to-date specifications.