SMBJ5918B-TP

Single Zener Diodes Overview

The SMBJ5918B-TP is a 1.5 W surface mount silicon Zener diode manufactured by Micro Commercial Components (MCC). It features a nominal Zener voltage of 5.1 V with a ±5% tolerance and operates within a junction temperature range of -55°C to +150°C. The device utilizes a glass-passivated junction, meets UL 94 V-0 flammability ratings, and complies with RoHS standards. Packaged in the SMB (DO-214AA) format, it offers a maximum dynamic impedance of 4.0 Ω at a test current of 73.5 mA.

Single Zener Diodes Feature Summary

• Glass-passivated junction for enhanced reliability
• Halogen-free "Green" device compliant with environmental directives
• Moisture Sensitivity Level 1 classification

Single Zener Diodes Applications

• Surface mount circuit protection
• Voltage regulation in low-power electronics
• Transient voltage suppression applications

Single Zener Diodes Procurement Notes

Verify authenticity through authorized MCC distributors or direct purchase from Micro Commercial Components Corp. to avoid counterfeit components. Ensure ordering suffixes match specific packaging requirements such as tape and reel quantities. Confirm compliance with RoHS and halogen-free specifications during procurement validation.

Single Zener Diodes Selection Notes

Select this component for applications requiring a 5.1 V reference or protection level in space-constrained designs. The SMB package supports automated surface mount assembly processes. Verify that the 1.5 W power dissipation rating aligns with the thermal management capabilities of the target PCB layout.

Single Zener Diodes Part Context

This part belongs to the SMBJ5918B through SMBJ5956B series of 1.5 W surface mount Zener diodes. The series covers a voltage range from 5.1 V to 200 V, providing standardized options for various voltage regulation needs within the same physical footprint and electrical characteristic profile.

Single Zener Diodes Replacement Considerations

Cross-reference with other manufacturers offering SMB (DO-214AA) packaged Zener diodes rated at 1.5 W with a 5.1 V nominal voltage and ±5% tolerance. Ensure equivalent dynamic impedance and reverse leakage current specifications are met for functional compatibility.