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Product Detailed Parameters
- Description：DIODE ZENER ARRAY 27V SOT-363
- Series：-
- Mfr：Diodes Incorporated
- Package：Tape & Reel (TR)
- Configuration：2 Independent
- Voltage - Zener (Nom) (Vz)：27 V
- Tolerance：±7.04%
- Power - Max：200 mW
- Impedance (Max) (Zzt)：80 Ohms
- Current - Reverse Leakage @ Vr：100 nA @ 18.9 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 BZX84C27S-7-F is a dual unidirectional voltage regulator diode manufactured by Diodes Incorporated. It features a nominal Zener voltage of 27 V with a tolerance range of 25.1 V to 28.9 V at a test current of 2 mA. The device provides a maximum power dissipation of 200 mW and operates within a temperature range of -65 °C to +150 °C. Electrical characteristics include a maximum dynamic impedance of 80 Ω at 2 mA and 300 Ω at 0.5 mA, alongside a maximum reverse leakage current of 0.1 µA at 18.9 V. The component utilizes an SOT-363 surface mount package.
Feature Summary
- Dual configuration containing two independent Zener diodes in a single ultra-small surface mount package
- Planar die construction designed for automated assembly processes
- Lead-free plating with matte tin finish annealed over Alloy 42 leadframe
Applications
- Voltage regulation in compact electronic circuits
- Transient voltage suppression applications
- Reference voltage generation in signal processing systems
Procurement Notes
Verify the specific ordering suffix against official manufacturer documentation to confirm packaging details. Confirm that the component meets required environmental standards such as RoHS compliance and moisture sensitivity levels before integration into production assemblies.
Selection Notes
Select this component when space-constrained designs require dual voltage regulation functions. Ensure the operating current remains within the specified limits to maintain accurate voltage clamping. Verify thermal resistance requirements relative to the printed circuit board layout to prevent overheating during continuous operation.
Part Context
This part belongs to the BZX84C series of dual surface mount Zener diodes produced by Diodes Incorporated. The series covers various voltage ratings from 2.4 V to 39 V, all sharing the same SOT-363 mechanical footprint and electrical testing conditions defined in datasheet DS30108.
Replacement Considerations
Direct replacements must match the SOT-363 package dimensions and provide equivalent dual Zener configurations. Verify that substitute components offer compatible Zener voltage tolerances and power dissipation capabilities to ensure circuit performance consistency.
FAQ
What is the marking code for the BZX84C27S?
The product type marking code for the BZX84C27S is KYA.
How is the total capacitance characterized for this device?
Total capacitance is measured at 1 MHz with a reverse voltage of 1 V or 2 V, varying based on the nominal Zener voltage.
What is the thermal resistance value for the junction to ambient air?
The thermal resistance from junction to ambient air is 625 °C/W when mounted on an FR4 PC board with the recommended pad layout.
