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Product Detailed Parameters
- Description：DIODE ZENER ARRAY 20V SOT-363
- Series：-
- Mfr：Central Semiconductor Corp
- Package：Tape & Reel (TR)
- 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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Overview
The CMKZ5250B TR 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 at 15V. The device supports a power dissipation of 200mW 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 form factor
Applications
- Industrial control systems
- Commercial equipment
- Entertainment electronics
- Computer applications
Procurement Notes
Verify component status before procurement as the CMKZ5221B series has been transitioned to End of Life (EOL) status by Central Semiconductor. Official documentation indicates that replacement parts are not available and stock availability may be limited. Confirm lead times and final shipment dates with authorized distributors or the manufacturer's support team prior to placing orders.
Selection Notes
Select this component when a triple isolated Zener array is required in a small surface mount footprint. Ensure the design accommodates the specific 20V nominal voltage and 200mW total power dissipation limits. Verify thermal resistance constraints for the intended operating environment and confirm compatibility with the SOT-363 mechanical outline during PCB layout.
Part Context
This part belongs to the CMKZ5221B through CMKZ5261B series of surface mount triple isolated silicon Zener diodes manufactured by Central Semiconductor Corp. The series offers various voltage options ranging from 2.4V to 47V, all sharing the same SOT-363 packaging and electrical characteristics structure. The CMKZ5250B specifically provides the 20V nominal variant within this lineup.
Replacement Considerations
Official documentation lists no direct replacement part numbers for the CMKZ5250B series. The manufacturer states that replacements are N/A and advises contacting [email protected] for assistance in locating alternate sources.
