1N5304 TR PBFREE

Overview

The 1N5304 TR PBFREE is a silicon planar power Zener diode manufactured by Central Semiconductor Corp. It features a nominal Zener voltage of 7.5 V with a tolerance of ±5% and a maximum power dissipation of 5 W. The device utilizes an axial leaded DO-201AE package, suitable for through-hole mounting. Key electrical characteristics include a maximum reverse leakage current of 5 µA at 6.4 V and a test current of 31 mA. Thermal resistance from junction to ambient is specified at 25 °C/W, supporting operation within a temperature range of -65 °C to +175 °C.

Feature Summary

• High power dissipation capability of 5 W in a robust axial package
• Wide operating junction temperature range extending to 175 °C
• Low leakage current characteristics for stable voltage regulation
• Planar silicon construction ensuring high reliability

Applications

• Voltage reference circuits requiring stable DC levels
• Overvoltage protection stages in power supplies
• Clamping applications in signal conditioning paths
• General-purpose regulation in industrial equipment

Procurement Notes

Verify the specific ordering suffix against the manufacturer's official documentation to confirm compliance with RoHS directives and lead-free status. Ensure the procurement channel sources directly from authorized distributors or the manufacturer to guarantee authenticity. Cross-reference the part number with the latest datasheet revisions to confirm thermal and electrical specifications match design requirements before finalizing orders.

Selection Notes

Select this component when a 7.5 V regulation point is required with significant power handling capabilities. The DO-201AE package necessitates adequate PCB copper area or heatsinking to maintain junction temperatures within limits under continuous load. Compare thermal resistance values against alternative packages if space constraints are critical, while ensuring the voltage tolerance meets the circuit's precision needs.

Part Context

This part belongs to the standard 1N53xx series of power Zener diodes produced by Central Semiconductor. These devices are designed for general-purpose power regulation tasks where higher wattage ratings than small-signal diodes are necessary. The series offers a range of voltage options within the same mechanical footprint, facilitating standardized inventory management across various power supply designs.

Replacement Considerations

Direct replacements must match the 7.5 V nominal voltage, 5 W power rating, and DO-201AE package. Verify that substitute parts meet the same thermal resistance and leakage current specifications. Common equivalents may include parts from other manufacturers adhering to the JEDEC outline for DO-201AE.