1N5377BRLG

Overview

The onsemi 1N5377BRLG is a silicon-oxide passivated junction Zener voltage regulator diode belonging to the 1N53 Series. It provides a nominal Zener voltage of 91 V with a tolerance of ±5%, operating within a range of 86.45 V to 95.55 V at a test current (IZT) of 15 mA. The device features a maximum steady-state power dissipation of 5 W and operates in an axial lead, transfer-molded plastic package (Case 017AA). Key electrical parameters include a maximum Zener impedance (ZZT) of 75 Ohms at IZT, a reverse leakage current (IR) of 1 µA at VR, and a maximum DC Zener current (IZM) of 69.2 mA.

Feature Summary

• Utilizes silicon-oxide passivated junctions for tight limits and superior operating characteristics.
• Offers high surge rating capability up to 180 W at 8.3 ms pulse width.
• Provides ESD protection rated at Class 3 (>16 kV) per the Human Body Model.
• Guarantees maximum limits on up to six distinct electrical parameters.

Applications

• Voltage regulation circuits requiring stable reference voltages.
• Protection against transient overvoltage events in electronic systems.
• Surge suppression applications handling non-repetitive square-wave currents.

Procurement Notes

Verify that the ordering suffix 'RLG' corresponds to the specific tape and reel packaging configuration required for automated assembly processes. Confirm compliance with RoHS directives and Pb-Free status by reviewing the manufacturer's material declaration or environmental files associated with this specific part number before finalizing procurement specifications.

Selection Notes

Select this component when a precise 91 V regulation point is necessary within a 5 W power dissipation envelope. Ensure the application circuit can accommodate the specified maximum Zener impedance of 75 Ohms and the reverse leakage current limit of 1 µA. Verify that the thermal management design supports the junction-to-lead thermal resistance characteristics under continuous DC load conditions.

Part Context

This device is part of the comprehensive 1N53 Series of 5 Watt Zener diodes manufactured by onsemi. The series spans a wide voltage range from 3.3 V to 200 V, utilizing a standardized Surmetic 40 axial lead package. This specific model represents the higher voltage segment of the lineup, designed for robust performance in industrial and general-purpose electronics environments.

Replacement Considerations

Compatible substitutes within the same family include the 1N5376B and 1N5378B, which share identical mechanical dimensions and power ratings but offer different nominal Zener voltages. Cross-manufacturer equivalents must be verified against the specific electrical tolerances and thermal resistance requirements defined in the official datasheet.