UDZS18B

$0.03

Description：DIODE ZENER 18V 200MW SOD323F
Series：-
Mfr：Taiwan Semiconductor Corporation
Package：Tape & Reel (TR)

SKU:b2ecd0babda8 Category: Single Zener Diodes Brand: Taiwan Semiconductor Corporation

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Product introduction

UDZS18B is listed in the Single Zener Diodes range at ChipApex. The manufacturer field lists Taiwan Semiconductor Corporation. Its product description is DIODE ZENER 18V 200MW SOD323F. Review the specifications below when checking this part for your BOM.

Single Zener Diodes specifications for UDZS18B

Description：DIODE ZENER 18V 200MW SOD323F
Series：-
Mfr：Taiwan Semiconductor Corporation
Package：Tape & Reel (TR)
Voltage - Zener (Nom) (Vz)：18 V
Tolerance：±2%
Power - Max：200 mW
Impedance (Max) (Zzt)：50 Ohms
Current - Reverse Leakage @ Vr：45 nA @ 13 V
Operating Temperature：-55°C ~ 150°C (TJ)
Mounting Type：Surface Mount
Package / Case：SC-90, SOD-323F
Voltage - Forward (Vf) (Max) @ If：-
Grade：-
Qualification：-

Single Zener Diodes datasheet and documents for UDZS18B

UDZS18B

Single Zener Diodes Overview

The UDZS18B is a unidirectional voltage regulator diode manufactured by Taiwan Semiconductor. It features a nominal Zener voltage of 18 V and a power dissipation rating of 0.2 W. The device utilizes silicon technology and is housed in the UMD2 surface-mount package, which corresponds to the SOD-323F mechanical form factor. It is designed for high-density mounting applications with a compact, two-pin mini-mold structure.

Single Zener Diodes Feature Summary

Compact, two-pin mini-mold type designed for high-density mounting
Non-wire bonding structure improves manufacturing efficiency and reliability
Surface-mount construction suitable for automated assembly processes

Single Zener Diodes Applications

Voltage regulation in compact electronic circuits
Protection against voltage transients in signal lines
Reference voltage generation in low-power devices

Single Zener Diodes Procurement Notes

Verify the specific ordering suffix and date code on the component marking to ensure authenticity. Confirm that the package matches the UMD2 (SOD-323F) specification. Check for RoHS compliance status if required by your design standards. Ensure the supplier provides official datasheets from Taiwan Semiconductor for technical validation.

Single Zener Diodes Selection Notes

Select this component when a 18 V regulation point is required in a space-constrained design. The 0.2 W power rating limits its use in high-current scenarios. The SOD-323F package offers a smaller footprint compared to axial leads. Consider thermal management requirements based on the ambient operating temperature range specified in the datasheet.

Single Zener Diodes Part Context

This part belongs to the UDZS series of surface mount Zener diodes from Taiwan Semiconductor. The series covers a wide voltage range from 3.6 V to 36 V. These diodes are characterized by their non-wire bonding production line, which supports high-volume manufacturing needs while maintaining consistent electrical performance across the product line.