1N5369BG

Overview

The onsemi 1N5369BG is a single-channel Zener voltage regulator diode from the 1N53 Series, housed in an axial lead DO-15 (CASE 017AA) plastic package. It features a nominal Zener voltage of 51 V with a ±5% tolerance and a maximum steady-state power dissipation of 5 W at 25°C. The device operates within a junction temperature range of -65°C to +200°C and includes silicon-oxide passivated junctions for environmental protection.

Feature Summary

• Utilizes silicon-oxide passivated junctions for superior operating characteristics and environmental protection
• Features tight electrical limits guaranteed across multiple parameters including impedance and leakage current
• Provides high surge capability rated up to 180 W for 8.3 ms pulses
• Offers robust ESD protection meeting Class 3 standards (>16 kV) per Human Body Model

Applications

• Voltage regulation circuits requiring stable reference voltages
• Overvoltage protection stages in power supply designs
• Clamping applications for transient voltage suppression

Procurement Notes

Verify that the ordering suffix 'G' corresponds to the Pb-Free package configuration as specified in the datasheet. Confirm the specific package variant matches the required mechanical dimensions for your assembly process. Ensure compliance with RoHS directives if applicable to your manufacturing standards. Cross-reference the part number against official distributor catalogs to validate authenticity and sourcing channels.

Selection Notes

Select this component when a precise 51 V reference is needed with high power handling capabilities. The 5 W rating allows for significant current handling compared to lower-power alternatives. Consider the thermal resistance characteristics and derating requirements above 25°C to ensure reliable operation under continuous load conditions.

Part Context

This device belongs to the 1N53 Series of 5 Watt Surmetic 40 Zener Voltage Regulators. The series covers a wide voltage range from 3.3 V to 200 V, offering consistent performance characteristics across different breakdown voltages while maintaining the same physical package form factor for design flexibility.

Replacement Considerations

Compatible substitutes include other manufacturers' equivalents such as PANJIT's 1N5369B or Microsemi's 1N5369B, which share identical electrical specifications and package types. Verify that any replacement maintains the same ±5% tolerance and 5 W power rating.