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Product Detailed Parameters
- Description：DIODE ZENER ARRAY 4.31V SMINI4
- Series：-
- Mfr：Panasonic Electronic Components
- Package：Tape & Reel (TR)
- Configuration：2 Independent
- Voltage - Zener (Nom) (Vz)：4.31 V
- Tolerance：±5%
- Power - Max：200 mW
- Impedance (Max) (Zzt)：130 Ohms
- Current - Reverse Leakage @ Vr：10 µA @ 1 V
- Operating Temperature：-40°C ~ 85°C
- Grade：-
- Qualification：-
- Mounting Type：Surface Mount
- pa_package-case：
- Supplier Device Package：SMini4-F3-B
- Voltage - Forward (Vf) (Max) @ If：1 V @ 10 mA
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Overview
The DZ4J043K0R is a dual Zener diode manufactured by Panasonic Industry, designed for surface-mount applications. It features a nominal Zener voltage of 4.3 V with a tolerance of 5%. The device operates within a power dissipation rating of 200 mW and maintains a maximum reverse leakage current of 2 uA at the test current of 5 mA. Its Zener impedance is specified at 80 Ohms. The component supports an operating temperature range from -40 C to +85 C and utilizes the SC-113BB package with dimensions of 2 mm width, 2.1 mm length, and 0.7 mm height.
Feature Summary
- Dual configuration providing two independent Zener junctions in a single compact package.
- Surface-mount design optimized for automated PCB assembly processes.
- Low leakage current characteristics suitable for precision voltage reference applications.
Applications
- Voltage regulation circuits requiring stable reference levels.
- Protection stages against overvoltage transients in signal lines.
- Clamping applications in low-power electronic systems.
Procurement Notes
Verify availability status carefully as this specific part number may be discontinued or subject to limited supply constraints. Confirm exact package markings and date codes upon receipt to ensure authenticity. Cross-reference official Panasonic documentation for any updated lifecycle notices before finalizing procurement plans.
Selection Notes
Select this component when a dual Zener configuration is required in a minimal footprint. Ensure the 200 mW power dissipation limit aligns with the thermal environment. Verify that the 4.3 V breakdown voltage meets the circuit requirements and that the SC-113BB package fits the board layout constraints.
Part Context
This part belongs to the DZ4J series of surface-mount Zener diodes from Panasonic Industry. The series is characterized by small packages like SC-113BB, offering high power density relative to size. These components are typically used in consumer electronics and industrial control boards where space efficiency is critical.
Replacement Considerations
Check for direct substitutes within the same Panasonic DZ4J family with compatible voltage ratings. Evaluate alternative manufacturers' dual Zener diodes in SC-113BB or equivalent packages, ensuring matching electrical parameters such as Zener voltage, impedance, and power dissipation.
