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Product Detailed Parameters
- Description：DIODE ZENER ARRAY 6.2V SOT-363
- Series：-
- Mfr：Central Semiconductor Corp
- Package：Bulk
- Configuration：3 Independent
- Voltage - Zener (Nom) (Vz)：6.2 V
- Tolerance：±5%
- Power - Max：200 mW
- Impedance (Max) (Zzt)：7 Ohms
- Current - Reverse Leakage @ Vr：3 µA @ 4 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 CMKZ5234B 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 6.2V and a tolerance of ±5%. Each diode operates at a test current of 20mA, featuring a maximum dynamic impedance of 7.0Ω at IZT and 1000Ω at IZK. The device dissipates up to 200mW per diode, with a maximum reverse current of 3.0μA at 4.0V. It supports operating temperatures from -65°C to +150°C.
Feature Summary
- Triple isolated configuration within a single compact SOT-363 surface mount package
- Designed for industrial, commercial, entertainment, and computer applications
- Provides independent voltage regulation for three distinct circuits
Applications
- Industrial control systems requiring multiple voltage references
- Commercial equipment power supply regulation
- Computer circuit board protection and biasing
Procurement Notes
This component has been officially transitioned to End of Life status by the manufacturer. Current availability is restricted to existing stock only, with no new production scheduled. Buyers should verify inventory levels carefully before ordering, as replacements are not available through standard manufacturing channels.
Selection Notes
Engineers selecting this part must account for its End of Life status when designing new products. While it offers a compact triple-diode solution, long-term supply continuity cannot be guaranteed. Design reviews should prioritize alternative components that offer sustained production lifecycles to prevent future obsolescence issues.
Part Context
The CMKZ5234B belongs to the CMKZ5221B series, which features triple isolated silicon Zener diodes in the ULTRAmini SOT-363 case. This series provides five percent tolerance options for various voltage levels. The specific CMKZ5234B variant targets the 6.2V nominal range within this broader family of surface mount regulators.
Replacement Considerations
No direct replacement part numbers are listed in the official discontinuation notice. The document indicates 'N/A, Stock Only' for all variants in this series, meaning no equivalent manufactured substitutes are currently provided by the original equipment manufacturer.
