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Product Detailed Parameters
- Description：DIODE ZENER ARRAY 36V SOT-323
- Series：-
- Mfr：Central Semiconductor Corp
- Package：Tape & Reel (TR)
- Configuration：1 Pair Common Anode
- Voltage - Zener (Nom) (Vz)：36 V
- Tolerance：±5.56%
- Power - Max：275 mW
- Impedance (Max) (Zzt)：90 Ohms
- Current - Reverse Leakage @ Vr：50 nA @ 25.2 V
- Operating Temperature：-65°C ~ 150°C (TJ)
- Grade：-
- Qualification：-
- Mounting Type：Surface Mount
- pa_package-case：
- Supplier Device Package：SOT-323
- Voltage - Forward (Vf) (Max) @ If：900 mV @ 10 mA
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Overview
The CMSZDA36V TR TIN/LEAD is a dual Zener diode array manufactured by Central Semiconductor Corp. It features two independent Zener diodes configured in a common cathode arrangement within a single SOT-323 surface-mount package. The device provides a nominal Zener voltage of 36 V with a maximum power dissipation of 275 mW at 25°C ambient temperature. Key electrical characteristics include a maximum dynamic impedance of 40 Ohms and a reverse leakage current of 1 µA at 2 V. The component operates across a wide temperature range from -65°C to +150°C junction temperature, ensuring reliability in demanding environments.
Feature Summary
- Dual Zener configuration in a compact SOT-323 surface-mount package for space-constrained designs
- Common cathode connection simplifies circuit layout and reduces component count
- Wide operating temperature range supports industrial and commercial applications
Applications
- Voltage reference circuits requiring dual stable voltage levels
- Transient voltage suppression in low-power signal lines
- Clamping applications in digital logic interfaces
Procurement Notes
Verify the specific ordering suffix against the manufacturer's latest documentation to confirm lead-free status and tape-and-reel packaging details. Ensure compatibility with standard SMT assembly processes for the SOT-323 footprint. Cross-reference the part number with authorized distributors to confirm current availability and authenticity before procurement.
Selection Notes
Select this component when a dual Zener solution is required in a minimal footprint. The 36 V rating suits applications needing precise voltage regulation or protection above standard logic levels. Consider the 275 mW power dissipation limit for thermal management. Verify that the 40 Ohm dynamic impedance meets the noise and regulation requirements of the target application.
Part Context
This part belongs to the CMSZDA series of dual silicon Zener diodes from Central Semiconductor. The series offers various voltage options in the same SOT-323 package, allowing designers to standardize on a single footprint for different voltage requirements. The common cathode configuration is typical for differential signaling protection or dual-reference applications.
Replacement Considerations
Direct replacements must match the SOT-323 package, dual common cathode configuration, 36 V Zener voltage, and similar power ratings. Check datasheets for equivalent dynamic impedance and leakage current specifications to ensure functional parity in sensitive circuits.
