SMBZ5934B-E3/5B

Single Zener Diodes Overview

The SMBZ5934B-E3/5B is a surface-mount power voltage-regulating diode manufactured by Vishay General Semiconductor. It features a nominal Zener voltage of 24 V with a tolerance range of 22.8 V to 25.2 V at a test current of 15.6 mA. The device provides a maximum steady-state power dissipation of 3000 mW when mounted on a lead at 75 °C, or 550 mW at an ambient temperature of 25 °C. It exhibits a maximum Zener impedance of 19 Ω and a reverse leakage current of 1 µA at 18.2 V. The component operates within a junction and storage temperature range of -55 °C to +150 °C.

Single Zener Diodes Feature Summary

• Low profile package suitable for automated placement
• Low Zener impedance and low regulation factor
• Meets MSL level 1 per J-ST D-020

Single Zener Diodes Applications

• General purpose voltage regulation
• Circuit protection applications

Single Zener Diodes Procurement Notes

Verify the specific ordering suffix against official documentation to confirm packaging quantity and delivery mode. The E3 suffix indicates RoHS compliance and commercial grade material categorization. Confirm that the required base quantity aligns with the standard reel sizes specified in the manufacturer's ordering information section.

Single Zener Diodes Selection Notes

Select this component based on the required 24 V nominal breakdown voltage and the 3 W power dissipation capability under appropriate thermal conditions. Ensure the application environment remains within the specified -55 °C to +150 °C operating temperature range. Validate that the circuit design accommodates the 19 Ω maximum Zener impedance for the intended regulation performance.

Single Zener Diodes Part Context

This part belongs to the SMBZ5919B through SMBZ5945B series of surface-mount power voltage-regulating diodes. These components utilize the SMB (DO-214AA) case configuration. The series covers a wide Zener voltage spectrum from 5.6 V to 68 V, providing standardized options for various voltage regulation requirements in compact electronic designs.

Single Zener Diodes Replacement Considerations

Direct substitutes include SMBZ5934B-M3/5B and SMBZ5934B-E3/52. Verify compatibility regarding package dimensions and electrical characteristics before implementation.