18012115411L

Overview

The Würth Elektronik 18012115411L is a WPME-CDIS series capacitive digital isolator featuring two independent channels with a default low output state. It operates within a voltage range of 2.375 V to 5.5 V and supports data rates up to 150 Mbps. The device utilizes a standard SOIC-8NB package with eight pins. It provides an isolation voltage of 3.75 kVrms and functions reliably across a temperature range from -40°C to +125°C.

Feature Summary

• Provides capacitive isolation between primary and secondary circuit sides
• Features two independent signal transmission channels
• Maintains a default low output state for safety initialization

Applications

• Industrial automation control systems
• Medical equipment signal isolation
• Power supply feedback loops

Procurement Notes

Verify the specific suffix 'L' corresponds to the default low output configuration as documented in the official datasheet. Confirm that the SOIC-8NB package dimensions align with your PCB footprint requirements. Ensure the operating environment stays within the specified -40°C to +125°C thermal limits for reliable performance.

Selection Notes

Select this component when high-speed data transmission up to 150 Mbps is required alongside robust electrical isolation. The wide operating temperature range makes it suitable for demanding industrial environments. Consider the default low output feature if fail-safe behavior is critical for the system design upon power-up or fault conditions.

Part Context

This part belongs to the WPME-CDIS family of capacitive digital isolators manufactured by Würth Elektronik. These devices are designed to replace traditional optocouplers, offering superior performance in speed and reliability. The series focuses on providing efficient galvanic isolation for modern electronic applications requiring compact solutions.

FAQ

What is the maximum data rate supported by this isolator?

The device supports data transmission rates up to 150 Mbps.

Does this component have a defined output state at power-up?

Yes, it features a default low output state to ensure safe initial conditions.