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Product Detailed Parameters
- Description：DIODE ZENER ARRAY 39V SOT-23-3
- Series：-
- Mfr：Diotec Semiconductor
- Package：Bulk
- Configuration：1 Pair Common Anode
- Voltage - Zener (Nom) (Vz)：39 V
- Tolerance：±5%
- Power - Max：300 mW
- Impedance (Max) (Zzt)：130 Ohms
- Current - Reverse Leakage @ Vr：50 nA @ 27.3 V
- Operating Temperature：-50°C ~ 150°C (TJ)
- Grade：-
- Qualification：-
- Mounting Type：Surface Mount
- pa_package-case：
- Supplier Device Package：SOT-23-3 (TO-236)
- Voltage - Forward (Vf) (Max) @ If：-
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Overview
The Diotec Semiconductor 2BZX84C39 is a planar Zener diode housed in an SOT-23 (TO-236) package. It features a common anode configuration with a nominal Zener voltage range of 37 V to 41 V at a test current of 5 mA. The device supports a maximum power dissipation of 300 mW and operates within a junction temperature range of -50°C to +150°C. Electrical characteristics include a dynamic resistance of less than 130 Ohms, a reverse leakage current of 27.3 µA at 1 V, and a temperature coefficient between +7% and +10%.
Feature Summary
- Common anode dual-diode configuration for shared reference applications.
- Sharp Zener voltage breakdown characteristic for stable regulation.
- Low leakage current performance under reverse bias conditions.
Applications
- Voltage stabilization circuits.
- Linear voltage regulators.
Procurement Notes
Verify the specific suffix designation when ordering, as it determines the quality grade and automotive compliance status. Confirm that the component meets RoHS directives and REACH regulations for your target market. Ensure the procurement channel provides official datasheets to validate the exact electrical tolerances and marking codes associated with the batch.
Selection Notes
Select this component for designs requiring a common anode Zener reference in a compact surface-mount footprint. Evaluate the thermal resistance and power dissipation limits relative to the expected ambient temperature. Consider the dynamic impedance and temperature coefficient if high precision or wide temperature stability is required in the application circuit.
Part Context
This part belongs to the BZX84C/2BZX84C series of SMD planar Zener diodes manufactured by Diotec Semiconductor. The series covers a broad voltage range from 2.4 V to 47 V. The '2' prefix specifically denotes the common anode variant, distinguishing it from the single diode versions within the same physical package family.
Replacement Considerations
Direct replacements must match the SOT-23 package, 300 mW power rating, and common anode topology. Verify that substitute parts offer compatible Zener voltage ranges around 39 V and similar dynamic resistance values to maintain circuit performance without redesigning the bias network.
FAQ
What is the maximum reverse leakage current specified for the 2BZX84C39?
The maximum reverse leakage current is 27.3 µA, measured at a reverse voltage of 1 V.
How does the common anode configuration benefit circuit design?
The common anode configuration allows two Zener diodes to share a single ground or reference point, reducing component count and board space compared to using two separate single diodes.
What is the typical temperature coefficient for this voltage level?
For the 39 V Zener voltage, the temperature coefficient typically ranges from +7% to +10%, indicating a positive correlation between voltage and temperature.
