WR04W4R70FTL

This Walsin Technology WR04W4R70FTL is a surface mount chip resistor from the WR series. It features a thick film composition and a resistance value of 4.7 Ohms with a tight tolerance of ±1%. The resistor is rated for a power of 1/16W and operates within a temperature range of -55°C to 155°C.

The component is housed in a compact 0402 (1005 metric) package, making it suitable for applications where space is limited. Its construction utilizes a high-grade ceramic body with internal metal electrodes and a resistive paste trimmed by laser. The end terminations are coated with a lead-free tin alloy for ease of soldering.

Applications for this resistor include consumer electrical equipment, EDP, computer applications, and telecom infrastructure. It is designed for high reliability and stability, contributing to lower assembly costs and higher equipment reliability. The WR04W4R70FTL is also RoHS 2 compliant with exemption 7C-I and Halogen-free.

Key electrical characteristics include a maximum operating voltage of 50V and a maximum overload voltage of 100V. The temperature coefficient is -200/+400 ppm/°C. This component is ideal for general-purpose use where precise resistance values and stable performance are required.