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Product Detailed Parameters
- Description：DIODE ZENER 20V 350MW SOT23-3
- Series：*
- Mfr：Diodes Incorporated
- Package：Cut Tape (CT)
- Configuration：-
- Voltage - Zener (Nom) (Vz)：-
- Tolerance：-
- Power - Max：-
- Impedance (Max) (Zzt)：-
- Current - Reverse Leakage @ Vr：-
- Operating Temperature：-
- Grade：-
- Qualification：-
- Mounting Type：-
- pa_package-case：
- Supplier Device Package：-
- Voltage - Forward (Vf) (Max) @ If：-
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Overview
The BZX84C20TA is a single Zener diode manufactured by Diodes Incorporated, designed for surface-mount applications in the SOT-23 package. It provides a nominal Zener voltage of 20 V with a 5% tolerance at a test current of 5 mA. The device supports a maximum power dissipation of 350 mW and operates within a temperature range of -65°C to +150°C. Key electrical characteristics include a maximum reverse leakage current of 200 nA and a Zener impedance of 20 Ohms. The component features a voltage temperature coefficient of 6.25 mV/°C and measures 3.05 mm in length, 1.4 mm in width, and 1 mm in height.
Feature Summary
- Planar die construction for reliable performance
- Surface-mount design compatible with automated assembly
- Wide operating temperature range suitable for harsh environments
Applications
- Voltage reference circuits
- Overvoltage protection
- Clamping applications
Procurement Notes
Verify the specific ordering suffix TA against the manufacturer's official documentation to confirm package type and tape-and-reel specifications. Ensure compliance with RoHS directives and check for AEC-Q101 qualification if automotive application requirements are necessary. Confirm availability status directly with authorized distributors as supply levels fluctuate.
Selection Notes
Select this component when a 20 V regulation point is required in a compact SOT-23 footprint. Compare the 350 mW power rating against circuit dissipation needs. Verify that the 20 Ohm impedance and 200 nA leakage current meet system noise and precision requirements. Consider thermal management capabilities within the final enclosure design.
Part Context
This part belongs to the BZX84C series of Zener diodes from Diodes Incorporated. The series offers various voltage options in the same SOT-23 package, facilitating standardized inventory management. The BZX84C20TA specifically targets general-purpose voltage regulation tasks requiring moderate power handling in space-constrained designs.
Replacement Considerations
Direct substitutes may include other manufacturers' BZX84C20 variants in SOT-23 packages. Verify pinout compatibility and electrical parameter equivalence before substitution. Cross-reference with Nexperia or Micro Commercial Components equivalents ensuring identical voltage and power ratings.
