SMZJ3801B-M3/5B

Single Zener Diodes Overview

The SMZJ3801B-M3/5B is a surface mount power voltage-regulating diode manufactured by Vishay General Semiconductor. It operates within the SMB (DO-214AA) package and provides a nominal Zener voltage of 33 V with a tolerance range of 31.4 V to 34.7 V. The device dissipates up to 1500 mW at a lead temperature of 75 °C, featuring a maximum reverse current of 5.0 μA at 25.1 V and a maximum Zener impedance of 33 Ω at a test current of 11.4 mA. It supports an operating junction and storage temperature range from -55 °C to +150 °C.

Single Zener Diodes Feature Summary

• Glass passivated chip junction for enhanced reliability
• Low profile package suitable for automated placement
• Halogen-free and RoHS-compliant commercial grade construction

Single Zener Diodes Applications

• General purpose regulation
• Industrial applications
• Protection applications

Single Zener Diodes Procurement Notes

Verify the specific ordering suffix against official documentation to confirm packaging quantity and delivery mode. Confirm that the M3 suffix denotes halogen-free compliance and RoHS adherence. Ensure the base part number matches the required electrical characteristics before procurement.

Single Zener Diodes Selection Notes

Select this component when a single configuration voltage regulator in an SMB package is required. Verify that the 33 V nominal voltage aligns with circuit requirements. Consider the low Zener impedance and low regulation factor for stable performance. Validate thermal dissipation limits based on the PCB mounting pad area.

Single Zener Diodes Part Context

This component belongs to the SMZJ series of surface mount power voltage-regulating diodes. The series covers a wide Zener voltage range from 9.1 V to 68 V. All devices share the SMB (DO-214AA) case and similar mechanical attributes, differing primarily in their specific voltage ratings and corresponding test currents.

Single Zener Diodes Replacement Considerations

SMZJ3801B-E3/5B