MMBZ5249BW_R1_00001

Single Zener Diodes Overview

The MMBZ5249BW_R1_00001 is a surface mount silicon Zener diode from the Panjit MMBZ5221BW series. It features a nominal Zener voltage of 19V with a tolerance range of 18.05V to 19.95V. The device has a maximum power dissipation of 200mW at 25°C and operates within a junction temperature range of -55°C to +150°C. It utilizes an SOT-323 plastic case with terminals solderable per MIL-STD-750, Method 2026. Electrical characteristics include a maximum Zener impedance (ZZT) of 23Ω at IZT=6.6mA and a maximum reverse leakage current of 0.1μA at VR=14V.

Single Zener Diodes Feature Summary

• Planar die construction for stable performance
• Compliant with EU RoHS 2.0 directives
• Utilizes green molding compound as per IEC 61249 standard

Single Zener Diodes Applications

• Automated assembly processes
• Voltage regulation circuits
• Reference voltage applications

Single Zener Diodes Procurement Notes

Verify the specific part number against official Panjit documentation to ensure correct series identification. Confirm that the SOT-323 package dimensions match the design layout requirements. Check for compliance with environmental standards such as RoHS 2.0 and IEC 61249 if required by the target application specifications.

Single Zener Diodes Selection Notes

Select this component when a 19V Zener voltage is required in a compact surface mount form factor. Ensure the circuit design accommodates the 200mW power dissipation limit and the specified operating temperature range. Consider the maximum Zener impedance and leakage current values for precision requirements in the intended application environment.

Single Zener Diodes Part Context

This component belongs to the MMBZ5221BW ~ MMBZ5267BW series of surface mount silicon Zener diodes manufactured by Panjit International Inc. The series offers various voltage options ranging from 2.4V to 75V, all packaged in the SOT-323 format. This specific model represents the 19V variant within this standardized product line.

Single Zener Diodes Replacement Considerations

Other parts within the MMBZ5221BW series may serve as alternatives if different voltage ratings are acceptable. Verify pinout compatibility and thermal characteristics before substituting.