TGAD-290NARL

Pulse Transformers Overview

The TGAD-290NARL is a surface-mount pulse transformer manufactured by HALO Electronics, designed for isolation and data interface applications. It features a turns ratio of 1:3 and an inductance of 389 µH. The component supports a voltage-time product (Et) of 14 V/µs and provides 1.5 kVrms isolation voltage. Operating within a temperature range of -40°C to +85°C, it utilizes SMD/SMT termination. The physical dimensions are approximately 9.65 mm in length, 8.89 mm in width, and 6.35 mm in maximum seated height.

Pulse Transformers Feature Summary

• Provides galvanic isolation for data interface circuits with encapsulated construction
• Supports high-speed signal transmission via optimized magnetic core design
• Compatible with surface mount assembly processes for automated manufacturing

Pulse Transformers Applications

• Digital isolator interface circuits
• Power supply feedback loops
• Gate drive isolation for power switches

Pulse Transformers Procurement Notes

Verify the specific suffix requirements against your bill of materials, as variations such as LF or TR may indicate different packaging or compliance statuses. Confirm that the 1.5 kV isolation rating meets your safety standards. Ensure the operating temperature range aligns with your system's thermal environment. Cross-reference the pinout and mechanical dimensions with your PCB footprint to prevent assembly errors during production.

Pulse Transformers Selection Notes

Select this component when a compact, surface-mount solution is required for digital isolation between low-power control signals and higher-voltage domains. The 1:3 turns ratio makes it suitable for driving specific gate thresholds or matching impedance in isolated communication lines. Consider the 389 µH inductance value to ensure adequate energy storage for the intended switching frequency without saturation.

Pulse Transformers Part Context

This part belongs to the TGAD series of pulse transformers from HALO Electronics. These components are engineered for robust performance in industrial and commercial environments. The series emphasizes reliability through encapsulation, protecting internal windings from environmental stressors while maintaining consistent electrical characteristics over the specified temperature range.

Pulse Transformers Replacement Considerations

Publicly confirmed substitute part numbers for the TGAD-290NARL were not identified in available documentation. Verify compatibility carefully if considering alternatives, as parameters such as inductance, isolation voltage, and physical footprint must match precisely to ensure circuit functionality.