ZB1175-AED

Overview

The ZB1175-AED is an isolated buck converter transformer from Coilcraft, designed for surface mount applications. It provides 3300Vrms isolation and operates at a switching frequency of 500kHz. The component supports input voltages ranging from 5V to 8V, delivering up to 0.2A output current with a maximum power of 1.6W. Inductance measurements are conducted at 500kHz with 0.2Vrms excitation. The unit weighs 4.12g and utilizes ferrite core material.

Feature Summary

• Provides high-voltage isolation suitable for safety-critical DC/DC converter topologies
• Optimized for surface mount assembly in compact electronic designs
• Engineered specifically for compatibility with STMicroelectronics A6986I and L6986I controllers

Applications

• Isolated DC/DC converter modules
• Switching mode power supply (SMPS) transformers
• Applications requiring galvanic isolation between primary and secondary circuits

Procurement Notes

Verify the specific suffix designation against official Coilcraft documentation to ensure correct packaging and electrical characteristics. Confirm RoHS compliance status and halogen-free requirements prior to integration. Check for limited availability or restricted distribution channels as inventory levels may fluctuate. Ensure the selected variant matches the required isolation voltage and thermal performance specifications for the target application environment.

Selection Notes

Select this component when designing isolated buck converters that require precise compatibility with STMicroelectronics control ICs. Verify that the 500kHz operating frequency aligns with system timing requirements. Ensure the 3300Vrms isolation rating meets safety standards for the intended electrical separation. Consider the 1.6W power limit and 0.2A current capability to confirm suitability for the load profile.

Part Context

This part belongs to the ZA9668-AE and ZB1175-AE family of isolated buck transformers manufactured by Coilcraft. These components are engineered to support specific switching regulator architectures, offering standardized magnetic solutions for industrial and commercial power conversion systems requiring reliable galvanic isolation.

Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation. Consult Coilcraft engineering support for direct replacements or pin-compatible alternatives that meet identical isolation and electrical specifications.