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Product Detailed Parameters
- Description：DIODE ZENER ARRAY 3V SOT-363
- Series：-
- Mfr：Central Semiconductor Corp
- Package：Tape & Reel (TR)
- Configuration：3 Independent
- Voltage - Zener (Nom) (Vz)：3 V
- Tolerance：±5%
- Power - Max：200 mW
- Impedance (Max) (Zzt)：29 Ohms
- Current - Reverse Leakage @ Vr：50 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 CMKZ5225B TR 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 3.0 V and a tolerance of ±5%. The maximum power dissipation per diode is 200 mW at 25°C ambient temperature. Electrical characteristics include a maximum Zener impedance (ZZT) of 29 Ω and a knee impedance (ZK) of 1600 Ω at a test current of 20 mA. The device operates within a junction temperature range of -65 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
Applications
- Industrial equipment circuits
- Commercial electronic systems
- Entertainment electronics
- Computer hardware components
Procurement Notes
This component has been officially transitioned to End of Life status by Central Semiconductor Corp. Current availability is restricted to existing stock only, as no new production orders are accepted. Verification of specific lot dates and remaining inventory levels with authorized distributors or suppliers is required before procurement planning.
Selection Notes
Designers should evaluate alternative components due to the discontinued status of this part number. When selecting replacements, ensure compatibility with the SOT-363 footprint and verify that the substitute offers equivalent isolation between the three internal diodes. Confirm that thermal resistance and maximum operating temperatures meet the original design specifications.
Part Context
The CMKZ5225B belongs to the CMKZ5221B through CMKZ5261B series of triple isolated silicon Zener diodes. This series shares common packaging and electrical rating structures but varies in nominal Zener voltage and impedance values across different part numbers within the same family.
Replacement Considerations
Central Semiconductor Corp lists N/A for replacement parts for the CMKZ5225B TR. No official substitute part numbers are provided in the manufacturer documentation. Customers are advised to contact [email protected] for assistance in locating alternate sources.
FAQ
What is the marking code for the CMKZ5225B?
The marking code for the CMKZ5225B is 8E1T.
What is the maximum reverse leakage current for this device?
The maximum reverse leakage current (IR) is 50 µA when measured at VR = 1.0 V.
What is the thermal resistance of the CMKZ5225B?
The thermal resistance (ΘJA) is specified as 625 °C/W at an ambient temperature of 25°C.
