CMXZ39VTO BK

Description：DIODE ZENER ARRAY 39V SOT-26
Series：-

SKU:3bcfbf6d474e Category: Zener Diode Arrays Brand: Central Semiconductor Corp

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Product introduction

Product Detailed Parameters

Description：DIODE ZENER ARRAY 39V SOT-26
Series：-
Mfr：Central Semiconductor Corp
Package：Bulk
Configuration：3 Independent
Voltage - Zener (Nom) (Vz)：39 V
Tolerance：±5%
Power - Max：350 mW
Impedance (Max) (Zzt)：130 Ohms
Current - Reverse Leakage @ Vr：50 nA @ 27.3 V
Operating Temperature：-65°C ~ 150°C (TJ)
Grade：-
Qualification：-
Mounting Type：Surface Mount
pa_package-case：
Supplier Device Package：SOT-26
Voltage - Forward (Vf) (Max) @ If：900 mV @ 10 mA

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CMXZ39VTO BK

Overview

The CMXZ39VTO BK is a surface-mount silicon Zener diode array manufactured by Central Semiconductor Corp. It features three independent Zener channels housed in an SOT-323 package. The nominal Zener voltage is 39V with a tolerance of ±5%. Maximum power dissipation is 275mW, and the maximum Zener impedance is 130 Ohms. Reverse leakage current is specified as 50nA at a reverse test voltage of 27.3V. The device operates within a junction temperature range of -65°C to +150°C.

Feature Summary

Three independent Zener diodes integrated into a single compact surface-mount package
High thermal stability supporting operation across extended industrial temperature ranges
Low reverse leakage current characteristics for precise voltage regulation applications

Applications

Voltage reference circuits requiring multiple stable bias points
Over-voltage protection networks for sensitive electronic components
Clamping applications in signal conditioning paths

Procurement Notes

Verify that the BK suffix denotes bulk packaging intended for prototype or manual placement rather than standard reel tape. Confirm the specific manufacturer datasheet aligns with the three-channel configuration and electrical limits. Ensure the component meets RoHS compliance standards required for the target assembly process. Cross-reference the marking code on the physical device against official documentation to prevent counterfeit substitution.

Selection Notes

Select this component when space-constrained designs require multiple independent voltage references or clamping functions. The SOT-323 footprint offers a compact solution compared to discrete individual diodes. Consider the 130 Ohm impedance limit for high-frequency noise sensitivity. Evaluate the 275mW power rating against expected thermal loads in the final enclosure environment.

Part Context

This part belongs to the CMXZ series of surface-mount Zener diode arrays from Central Semiconductor. The series provides various voltage options in small packages for industrial and commercial electronics. The CMXZ39VTO variant specifically addresses markets needing 39V regulation in multi-channel configurations.