ATB322515-0110

Overview

The TDK ATB322515-110 is a specialty transformer designed for photoflash capacitor charging applications. It features an inductance of 7 µH and operates within a frequency range of 100 kHz. The component supports a rated current of 600 mA RMS with a maximum insulation voltage of 500 Vrms. Electrical characteristics include a primary DC resistance of 500 mΩ, secondary DC resistance of 60 Ω, and leakage inductance of 400 nH. It utilizes an SMD/SMT termination type housed in a 1210 (3225 metric) package measuring 3.2 mm x 2.5 mm x 1.55 mm. The device functions reliably between -40°C and +85°C.

Feature Summary

• Optimized for xenon flash capacitor charging circuits
• High insulation voltage capability for safety isolation
• Compact surface-mount design for space-constrained layouts

Applications

• Photoflash capacitor charging transformers
• Xenon flash unit power supplies
• Specialty signal transformers

Procurement Notes

Verify the specific ordering suffix, such as -T000, to ensure compatibility with automated pick-and-place equipment and reel packaging requirements. Confirm that the component status reflects current availability, as some listings indicate end-of-life or obsolescence phases. Cross-reference the datasheet for precise handling instructions and storage conditions to maintain component integrity prior to assembly.

Selection Notes

Select this component when designing circuits requiring high-frequency operation at 100 kHz with specific inductance constraints. Ensure the PCB layout accommodates the 1210 footprint dimensions. Verify that the thermal environment remains within the specified operating temperature range. Consider the leakage inductance value for its impact on switching efficiency in the target application circuit.

Part Context

This part belongs to the ATB series of specialty transformers manufactured by TDK Corporation. These components are engineered specifically for audio and signal transformation tasks, particularly those involving photoflash applications. The series emphasizes compactness and reliability for modern electronic devices requiring efficient energy transfer in small form factors.

Replacement Considerations

No public confirmed substitute part numbers are available in the provided documentation.