1N5373BG

Overview

The onsemi 1N5373BG is a 5 Watt Zener diode from the 1N53 Series, housed in an axial lead Surmetic 40 package (Case 017AA). It features a nominal reverse Zener voltage of 68 V with a ±5% tolerance. The device operates within a junction temperature range of -65°C to +200°C and includes silicon-oxide passivated junctions for superior environmental protection.

Feature Summary

• Utilizes silicon-oxide passivated junctions for enhanced reliability
• Features void-free transfer-molded thermosetting plastic casing
• Provides high surge current capability with defined non-repetitive limits

Applications

• Voltage regulation in power supply circuits
• Protection against voltage transients in sensitive electronics
• Reference voltage generation in analog signal processing

Procurement Notes

Verify that the ordering suffix 'G' corresponds to the Pb-Free package specification as indicated in the manufacturer documentation. Confirm the specific part number matches the required electrical characteristics before procurement to ensure compliance with project specifications.

Selection Notes

Select this component when a 68 V Zener voltage with 5 W power dissipation is required. Ensure the application environment supports the specified operating temperature range and consider the axial lead mounting style for the chosen PCB layout.

Part Context

This component belongs to the 1N53 Series of 5 Watt Zener Voltage Regulators manufactured by onsemi. The series offers a wide voltage range from 3.3 V to 200 V, utilizing robust axial lead packages designed for common environmental conditions.

Replacement Considerations

Cross-reference with other manufacturers offering equivalent 5 W, 68 V Zener diodes in DO-201 or similar axial packages. Verify matching impedance and leakage current specifications to ensure functional compatibility.