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Product Detailed Parameters
- Description：DIODE ZENER ARRAY 3.3V SOT-363
- Series：-
- Mfr：Central Semiconductor Corp
- Package：Bulk
- Configuration：3 Independent
- Voltage - Zener (Nom) (Vz)：3.3 V
- Tolerance：±5%
- Power - Max：200 mW
- Impedance (Max) (Zzt)：28 Ohms
- Current - Reverse Leakage @ Vr：25 µA @ 1 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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Overview
The CMKZ5226B BK is a surface mount triple isolated silicon Zener diode from Central Semiconductor Corp, housed in an ULTRAmini SOT-363 package. It contains three independent Zener diodes with a nominal voltage of 3.3V and a tolerance of ±5%. Each diode operates at a test current of 20mA, featuring a maximum dynamic impedance of 28Ω and a reverse leakage current of 25μA. The device supports a power dissipation of 200mW and functions within a temperature range of -65°C to +150°C.
Feature Summary
- Triple isolated configuration providing three independent Zener diodes in a single compact surface mount package
- Designed for industrial, commercial, entertainment, and computer applications requiring space-efficient voltage regulation
- Utilizes the ULTRAmini SOT-363 case for high-density board mounting
Applications
- Industrial control systems
- Commercial equipment
- Entertainment electronics
- Computer hardware
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 inventory levels carefully before committing to orders, as supply is finite and subject to depletion without replenishment.
Selection Notes
Engineers selecting this part must account for its EOL status when designing long-term products. The SOT-363 package houses three distinct diodes sharing a common cathode or anode structure depending on internal wiring. Designers should confirm pinout compatibility if substituting into existing footprints, noting that lead plating options may vary between standard and PbFree versions.
Part Context
The CMKZ5226B belongs to the CMKZ5221B through CMKZ5261B series of triple isolated silicon Zener diodes. This series provides multiple voltage options within the same physical footprint, allowing designers to select specific breakdown voltages while maintaining consistent board layout requirements across different product variants.
Replacement Considerations
No direct replacement part numbers are available from Central Semiconductor Corp. The manufacturer lists all units in this series as 'N/A, Stock Only', indicating that no functional equivalents have been designated for procurement purposes.
