MALVERN, PA — Vishay Intertechnology, Inc. (NYSE: VSH) has announced new advancements in its AC and AC-AT series of cemented, axial-leaded wirewound resistors. The company now offers a pick-and-place friendly SMD lead bending option, known as the WSZ lead form. This development allows the resistors to function as surface-mount components, which can significantly streamline electronic assembly processes.
The Vishay Draloric AC05 WSZ and the AEC-Q200 qualified AC05-AT WSZ resistors come with this new lead form, making them suitable for use on PCBs alongside other surface-mount devices. This change promises to improve the efficiency of the pick and place process, reduce assembly times, and lower production costs. Additionally, a non-inductive version, the AC05-NI WSZ, is available for applications requiring fast switching circuits.
These resistors are designed to handle demanding roles in various electronic applications. They serve as snubber and inrush current limiting resistors, particularly useful in automotive and industrial electronics, energy meters, and power supplies for white goods. The devices boast peak power capabilities up to 5 kW for a 1 μs pulse load and offer a broad resistance range from 0.10 Ω to 10 kΩ.
For harsh operating environments, the AC05 WSZ and AC05-AT WSZ feature a robust, non-flammable silicone cement coating that meets UL 94 V-0 standards. They operate within a wide temperature range of -55 °C to +250 °C and their wirewound construction ensures they withstand mechanical stress and thermal shocks at high temperatures.
These resistors also conform to RoHS compliance and are halogen-free. They feature tin-plated terminations, ensuring compatibility with both lead (Pb)-free and lead (Pb)-containing soldering processes.
Enhancing Efficiency and Performance with WSZ Lead Form Resistor Technology
This innovation is important for several reasons. Firstly, it enhances manufacturing efficiency by integrating axial-leaded wirewound resistors into surface-mount technology (SMT). This can lead to cost savings and faster production times for manufacturers. Secondly, the enhanced pulse capability and broad resistance range make these resistors versatile for various high-demand applications, from automotive systems to industrial machinery.
For Vishay Intertechnology, this announcement aligns with its strategy to provide cutting-edge components that meet the evolving needs of the electronics industry. The ability to use these resistors in surface-mount applications represents a significant step forward in improving product design and operational efficiency across multiple sectors.
As industries continue to demand more efficient and robust electronic components, innovations like the WSZ lead form demonstrate how traditional components can be adapted for modern manufacturing processes. This adaptability not only enhances performance but also ensures that manufacturers can keep pace with the rapid advancements in technology.
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