CMKZ5250B BK

Description：DIODE ZENER ARRAY 20V SOT-363
Series：-

SKU:7f5d3628bcde Category: Zener Diode Arrays Brand: Central Semiconductor Corp

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Product introduction

Product Detailed Parameters

Description：DIODE ZENER ARRAY 20V SOT-363
Series：-
Mfr：Central Semiconductor Corp
Package：Bulk
Configuration：3 Independent
Voltage - Zener (Nom) (Vz)：20 V
Tolerance：±5%
Power - Max：200 mW
Impedance (Max) (Zzt)：25 Ohms
Current - Reverse Leakage @ Vr：100 nA @ 15 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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CMKZ5250B BK

Overview

The CMKZ5250B BK is a surface mount triple isolated silicon Zener diode from the Central Semiconductor CMKZ5221B series, packaged in an ULTRAmini SOT-363 case. It contains three independent Zener diodes with a nominal voltage of 20V and a tolerance of ±5%. Each diode operates at a test current of 6.2mA, featuring a maximum dynamic impedance of 25Ω and a reverse current of 0.1μA. The device supports a power dissipation of 200mW and functions within a temperature range of -65°C to +150°C.

Feature Summary

Triple isolated silicon Zener diodes integrated into a single compact surface mount package
Designed for industrial, commercial, entertainment, and computer applications
Provides independent voltage regulation for multiple circuits within limited board space

Applications

Industrial control systems requiring multi-channel voltage reference
Commercial equipment utilizing compact signal conditioning circuits
Computer hardware implementing isolated protection or biasing networks

Procurement Notes

This component has been officially classified as End of Life (EOL) by Central Semiconductor Corp. Current availability is restricted to existing stock only, with no new production scheduled. Buyers must verify specific lot dates and physical condition when sourcing from secondary markets, as standard supply channels are closed.

Selection Notes

Engineers should evaluate alternative components due to the discontinued status of this part number. When selecting replacements, ensure the substitute offers compatible isolation characteristics and fits within the same SOT-363 footprint. Verify that the replacement maintains equivalent thermal resistance and electrical performance across the required operating temperature range.

Part Context

The CMKZ5250B BK belongs to the CMKZ5221B through CMKZ5261B series of triple isolated Zener diodes. This series utilizes the ULTRAmini SOT-363 package to provide three distinct voltage regulation channels in a minimal surface area. The product line was designed to consolidate multiple discrete components into a single reliable unit for space-constrained designs.