CMKZ5251B BK

Description：DIODE ZENER ARRAY 22V SOT-363
Series：-

SKU:f6be98f0a4cb Category: Zener Diode Arrays Brand: Central Semiconductor Corp

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Product introduction

Product Detailed Parameters

Description：DIODE ZENER ARRAY 22V SOT-363
Series：-
Mfr：Central Semiconductor Corp
Package：Bulk
Configuration：3 Independent
Voltage - Zener (Nom) (Vz)：22 V
Tolerance：±5%
Power - Max：200 mW
Impedance (Max) (Zzt)：29 Ohms
Current - Reverse Leakage @ Vr：100 nA @ 17 V
Operating Temperature：-65°C ~ 150°C (TJ)
Grade：-
Qualification：-
Mounting Type：Surface Mount
pa_package-case：
Supplier Device Package：SOT-363
Voltage - Forward (Vf) (Max) @ If：900 mV @ 10 mA

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CMKZ5251B BK

Overview

The CMKZ5251B BK is a surface mount triple isolated silicon Zener diode from the Central Semiconductor Corp CMKZ5221B series, packaged in an ULTRAmini SOT-363 case. It contains three independent Zener diodes with a nominal voltage of 22V and a tolerance of ±5%. Each diode operates at a test current of 5.6mA, featuring a maximum dynamic impedance of 29Ω and a knee impedance of 600Ω. The device supports a power dissipation of 200mW per diode and functions within a junction temperature range of -65°C to +150°C.

Feature Summary

Triple isolated configuration providing three independent Zener diodes in a single compact package
Designed for industrial, commercial, entertainment, and computer applications
Surface mount construction utilizing the ULTRAmini SOT-363 case format

Applications

Industrial control systems
Commercial equipment
Entertainment electronics
Computer applications

Procurement Notes

This component has been officially transitioned to End of Life (EOL) status by Central Semiconductor Corp. Current availability is restricted to existing stock only, as no new production runs are scheduled. Buyers should verify stock levels carefully before ordering, as replacements are not available through standard channels. Last purchase orders may be subject to specific timing constraints defined by the manufacturer's discontinuation notice.

Selection Notes

Select this part when a compact triple isolated Zener solution is required for space-constrained designs. Verify that the 22V nominal voltage and 200mW power rating align with circuit requirements. Note that the SOT-363 package limits thermal dissipation capabilities compared to larger packages. Ensure compatibility with the specified operating temperature range and check for alternative sources due to the discontinued status.

Part Context

The CMKZ5251B belongs to the broader CMKZ5221B through CMKZ5261B series, which offers various Zener voltages ranging from 2.4V to 47V. All devices in this series share the same triple isolated SOT-363 packaging and general electrical characteristics, differing primarily in their specific breakdown voltages and associated test currents. This series was designed to provide multiple regulation points in minimal board space.