ZA9757-AED

Overview

The Coilcraft ZA9757-AED is an encapsulated isolation and data interface pulse transformer designed for surface mount applications. It features a 1:1 turns ratio with primary inductance of 225µH measured at 100 kHz, 0.01 Vrms, and 0 Adc. The component exhibits an ET (volt-time) rating of 31Vµs. It operates within a temperature range of -40°C to +125°C. The maximum seated height is 10.00mm. Leakage inductance is specified between pins at 100 kHz, 0.1 Vrms with secondary pins shorted.

Feature Summary

• Encapsulated construction provides environmental protection and mechanical stability for surface mount integration.
• Offers galvanic isolation suitable for data interface applications requiring signal integrity.
• Supports high-temperature operation up to 125°C for reliable performance in demanding environments.

Applications

• Network interface circuits requiring isolated data transmission
• Surface mount assembly for communication hardware
• Isolated power supply control signal interfaces

Procurement Notes

Verify the complete part number including suffixes against official Coilcraft documentation to ensure correct specifications. Confirm that the encapsulation type and mounting style match the design requirements. Check for active status availability through authorized channels to avoid obsolete components.

Selection Notes

Select this component when a surface mount isolation transformer with specific volt-time characteristics is required. Ensure the PCB layout accommodates the 10.00mm height constraint. Verify that the 225µH primary inductance aligns with the circuit's impedance matching needs at the operating frequency.

Part Context

This part belongs to the ZA9757 series of isolation transformers from Coilcraft. These components are engineered for robust performance in data interface applications. The series offers consistent electrical parameters across variants, ensuring compatibility in designs requiring standardized isolation solutions.

Replacement Considerations

Consult official Coilcraft documentation for verified substitute part numbers. Cross-reference specifications such as inductance, ET rating, and physical dimensions to ensure functional equivalence without compromising circuit performance.

FAQ

What is the measurement condition for the primary inductance?

Primary inductance is measured at 100 kHz, 0.01 Vrms, and 0 Adc.

How is leakage inductance defined for this component?

Leakage inductance is measured between pins at 100 kHz, 0.1 Vrms with secondary pins shorted.