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Product Detailed Parameters
- Description：DIODE ZENER ARRAY 39V SOT-26
- Series：-
- Mfr：Central Semiconductor Corp
- Package：Tape & Reel (TR)
- Configuration：3 Independent
- Voltage - Zener (Nom) (Vz)：39 V
- Tolerance：±5%
- Power - Max：350 mW
- Impedance (Max) (Zzt)：130 Ohms
- Current - Reverse Leakage @ Vr：50 nA @ 27.3 V
- Operating Temperature：-65°C ~ 150°C (TJ)
- Grade：-
- Qualification：-
- Mounting Type：Surface Mount
- pa_package-case：
- Supplier Device Package：SOT-26
- Voltage - Forward (Vf) (Max) @ If：900 mV @ 10 mA
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Overview
The CMXZ39VTO is a surface mount, triple, isolated opposing silicon Zener diode array from Central Semiconductor Corp. Packaged in an SOT-26 case, it contains three independent Zener elements with a nominal breakdown voltage of 39.0 V and a 5% tolerance. The device operates within a junction temperature range of -65°C to +150°C and supports a maximum power dissipation of 350 mW at 25°C ambient. Key electrical parameters include a test current (IZT) of 2.0 mA, a maximum reverse current (IR) of 0.05 µA at VR = 30 V, and a maximum Zener impedance (ZZK) of 350 Ω at IZK = 0.5 mA.
Feature Summary
- Features three electrically isolated Zener diodes arranged in an alternating configuration within a single package.
- Provides precise voltage regulation with a standard 5% tolerance on the nominal breakdown voltage.
- Designed for high-reliability applications requiring compact surface-mount solutions.
Applications
- Industrial control systems
- Commercial equipment
- Entertainment electronics
- Computer hardware
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 replacement part numbers are designated for this specific model. Procurement should be verified against current inventory levels, as production has ceased. Customers are advised that final shipments may be subject to minimum order quantities and limited supply constraints.
Selection Notes
Select this component when a triple Zener array with opposing polarity configurations is required in an SOT-26 footprint. Verify that the 39.0 V nominal voltage and 350 mW power dissipation align with circuit requirements. Note that due to the End of Life status, alternative sourcing or design modifications may be necessary for long-term production viability.
Part Context
The CMXZ39VTO belongs to the CMXZ2V4TO through CMXZ47VTO series, which covers Zener voltages from 2.4 V to 47.0 V. All devices in this series share the same SOT-26 package and general structural characteristics, differing primarily in their specific breakdown voltage ratings and associated impedance values.
Replacement Considerations
No direct replacement part number is available from Central Semiconductor Corp. for the CMXZ39VTO. The manufacturer indicates that only existing stock can be supplied, and customers must contact [email protected] for assistance in locating alternate sources if stock is unavailable.
FAQ
What is the marking code for the CMXZ39VTO?
The marking code for the CMXZ39VTO is CZ39V.
What is the maximum Zener impedance (ZZK) for this device?
The maximum Zener impedance (ZZK) is 350 Ω, measured at a test current (IZK) of 0.5 mA.
What is the thermal resistance (ΘJA) of the SOT-26 package for this component?
The thermal resistance (ΘJA) is 357 °C/W at an ambient temperature of 25°C.
