1SMB5950H

Single Zener Diodes Overview

The 1SMB5950H is a surface-mount silicon Zener diode manufactured by Taiwan Semiconductor Corporation. It features a nominal Zener voltage of 110V with a tolerance of ±5%. The device is rated for a maximum power dissipation of 3W and operates within a junction temperature range of -55°C to 150°C. Key electrical specifications include a maximum impedance of 300 Ohms and a reverse leakage current of 1µA at 83.6V. The component utilizes a DO-214AA (SMB) package, designed for automated placement and low inductance applications.

Single Zener Diodes Feature Summary

• Glass passivated junction construction for enhanced stability
• Low profile package suitable for automated placement
• Built-in strain relief mechanism
• Compliance with WEEE 2002/96/EC directives

Single Zener Diodes Applications

• Voltage regulation circuits
• Reference voltage generation
• Protection circuits

Single Zener Diodes Procurement Notes

Verify the specific suffix 'H' against official datasheets to confirm AEC-Q101 qualification status, as standard variants may lack this automotive grade certification. Ensure the DO-214AA package dimensions match the target PCB footprint. Confirm moisture sensitivity level 1 compliance if reflow soldering processes are required. Cross-reference the manufacturer's latest documentation to validate the active status and any potential obsolescence notices before finalizing procurement plans.

Single Zener Diodes Selection Notes

Select this component when a 110V Zener reference is required in a compact SMB package. The 3W power rating supports moderate current handling in surface-mount designs. Consider the ±5% tolerance for precision requirements. The AEC-Q101 qualification makes it suitable for automotive environments where higher reliability standards apply compared to commercial grade equivalents.

Single Zener Diodes Part Context

This part belongs to the 1PGSMB59xx series of 3W Zener diodes from Taiwan Semiconductor. The series covers a voltage range from 11V to 200V. The 1SMB5950H specifically addresses the 110V segment. It shares mechanical similarities with other SMB packages but is distinguished by its specific voltage rating and potential automotive qualification indicated by the H suffix.

Single Zener Diodes Replacement Considerations

Direct substitutes include the non-H variant 1SMB5950 if automotive qualification is not required. Other manufacturers offering 110V 3W SMB Zener diodes may serve as functional replacements, provided pinout and thermal characteristics align.