SMBJ5940B-TP

Single Zener Diodes Overview

The SMBJ5940B-TP is a 1.5W surface mount silicon Zener diode manufactured by Micro Commercial Components (MCC). It features a glass-passivated junction and operates within a voltage range of 5.1V to 200V. The device has a nominal Zener voltage of 43V with a tolerance of ±5%. Key electrical parameters include a maximum dynamic impedance of 53 Ohms at the test current, a reverse leakage current of 1 µA at 32.7V, and a maximum forward voltage of 1.5V at 200mA. It supports an operating junction temperature range from -55°C to +150°C and is housed in the SMB (DO-214AA) package.

Single Zener Diodes Feature Summary

• Glass-passivated junction for enhanced reliability
• Surface mount application design
• Halogen-free 'Green' device compliant with environmental standards

Single Zener Diodes Applications

• Voltage regulation circuits
• Protection against overvoltage transients
• Reference voltage sources

Single Zener Diodes Procurement Notes

Verify authenticity through authorized MCC distributors or direct purchase to avoid counterfeit components. Confirm RoHS compliance and lead-free finish status. Check for specific packaging requirements such as tape and reel quantities. Ensure storage conditions adhere to moisture sensitivity level 1 guidelines. Review datasheet for derating curves applicable to your thermal environment.

Single Zener Diodes Selection Notes

Select this component based on the required 43V Zener voltage and 1.5W power dissipation capability. Consider the SMB package size for PCB layout constraints. Evaluate the dynamic impedance and leakage current specifications against circuit sensitivity requirements. Ensure the operating temperature range meets the application's thermal demands.

Single Zener Diodes Part Context

This part belongs to the SMBJ5918B through SMBJ5956B series of 1.5W surface mount Zener diodes. The series offers a wide voltage range from 5.1V to 200V. All devices in this family share similar physical dimensions and mounting characteristics but differ in their specific Zener voltage ratings and associated electrical parameters.

Single Zener Diodes Replacement Considerations

No public confirmed substitute part numbers are available in the provided documentation.