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Product Detailed Parameters
- Description：DIODE ZENER ARRAY 4.7V SOT-363
- Series：-
- Mfr：Central Semiconductor Corp
- Package：Bulk
- Configuration：3 Independent
- Voltage - Zener (Nom) (Vz)：4.7 V
- Tolerance：±5%
- Power - Max：200 mW
- Impedance (Max) (Zzt)：19 Ohms
- Current - Reverse Leakage @ Vr：5 µA @ 2 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 CMKZ5230B BK is a surface mount triple isolated silicon Zener diode from Central Semiconductor Corp, packaged in an ULTRAmini SOT-363 case. It contains three independent Zener diodes with a nominal voltage of 4.7V and a tolerance of ±5%. Each diode operates at a test current of 20mA, featuring a maximum dynamic impedance of 19Ω and a knee impedance of 1900Ω. The device has a maximum power dissipation of 200mW per diode 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 package
- Designed for industrial, commercial, entertainment, and computer applications
- Surface mount construction utilizing the ULTRAmini SOT-363 case format
Applications
- Industrial equipment voltage regulation
- Commercial electronic circuit protection
- Entertainment system power management
- Computer application voltage referencing
Procurement Notes
This component is classified as End of Life (EOL) by Central Semiconductor Corp. Availability is restricted to existing stock only, with no new production scheduled. Buyers should verify current inventory levels with authorized distributors or suppliers before placing orders, as supply is finite and subject to depletion without restocking capabilities from the manufacturer.
Selection Notes
Select this part when a compact solution requiring three isolated voltage references is necessary. Ensure the design accommodates the specific 4.7V nominal voltage and ±5% tolerance. Verify that the SOT-363 footprint matches the PCB layout requirements. Consider the thermal resistance and power dissipation limits during operation to maintain reliability within the specified temperature range.
Part Context
The CMKZ5230B BK belongs to the CMKZ5221B through CMKZ5261B series of triple isolated silicon Zener diodes. This series offers various voltage options ranging from 2.4V to 47V, all sharing the same SOT-363 package and isolation architecture. The 'BK' suffix typically denotes a bulk packaging option, distinct from tape and reel configurations.
Replacement Considerations
No direct replacement part numbers are listed by the manufacturer. The official notice indicates 'N/A, Stock Only' for this item. Designers must source alternative components from other manufacturers or redesign using available equivalent triple-Zener packages if stock is exhausted.
