Zener Diode Unit
Product Code : SCL-PLE-11793
The StemAids Zener Diode Unit is a precision semiconductor workstation engineered for the empirical study of the Zener breakdown effect and voltage regulation. Optimized for University-level physics and electronic engineering, this unit features a high-stability Zener diode mounted on a non-conductive base with clear terminal access. Manufactured to ISO 9001:2015 standards, it facilitates the quantification of reverse-bias characteristics and the verification of constant voltage output within institutional laboratory environments.
Technical Specifications
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Tender Specification |
OEM Technical Detail |
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Diode Type |
Silicon Zener Diode (e.g., 1N47 series or equivalent) |
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Standard Voltages |
Available in 5.1V,6.2V,9.1V, or 12V (Model dependent) |
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Mounting Interface |
High-impact, insulated base with schematic diagram overlay |
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Terminal Access |
Two 4mm safety-shrouded sockets (Anode and Cathode) |
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Power Dissipation |
Typically 500mW to 1W (Heat-stabilized for continuous testing) |
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Carrier Dynamics |
Optimized for studying the "Zener" and "Avalanche" breakdown effects |
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Circuit Visibility |
Clear silkscreened diode symbol showing the Zener "Z" bar |
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ISO Compliance Code |
Manufactured under ISO 9001:2015 Quality Management Systems |
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HS Code |
9023.00.00 (Educational/demonstrational scientific apparatus) |
Key Pedagogical Outcomes (Bloom’s Taxonomy Alignment)
- Breakdown Interface: Facilitates student visualization of reverse-bias behavior, supporting Solid State Physics Module 101 by demonstrating how current flows backward once a specific voltage threshold is reached.
- Regulation Quantification: Enables the physical study of voltage stabilization, allowing learners to apply varying input voltages and verify that the output across the Zener remains constant.
- Characteristic Curve Analysis: Supports the analysis of the V−I relationship; students plot the sharp "knee" in the reverse-bias region to determine the Zener voltage (Vz) and dynamic resistance (rz).
- Circuit Application Evaluation: Allows students to evaluate the Zener diode as a shunt regulator, fostering an understanding of how sensitive electronic components are protected from overvoltage.
International Logistics & Compliance
StemAids ensures comprehensive OEM readiness for global institutional procurement:
- Packaging: Export-grade seaworthy crating (ISPM-15 compliant) featuring anti-static (ESD) shielding and individual shock-absorbing cells to protect the silicon crystal from mechanical stress and static discharge.
- Documentation: Includes Manufacturer’s Authorization Form (MAF), Certificate of Conformance (CoC), and a datasheet specifying the Zener voltage tolerance (±5%) and maximum current (Izm).
- Durability: Tropicalized design featuring nickel-plated terminals to prevent contact oxidation, ensuring stable readings in high-humidity climates.
Direct OEM Sourcing Advantages
Procuring the StemAids Zener Diode Unit directly ensures vertical manufacturing control:
- In-House Voltage Screening: Every unit is batch-tested for Vz accuracy, ensuring that all student workstations produce consistent data during regulated power supply experiments.
- High-Contrast Schematic Overlay: Direct oversight of the base printing ensures that the Anode and Cathode are clearly marked, preventing accidental forward-biasing errors during high-voltage tests.
- Direct Factory Spares Availability: Guaranteed availability of matching load resistors, variable DC power supplies, and digital milli-ammeters to provide a complete "Semiconductor Lab Kit."
- Manufacturing Control: Direct oversight of the internal soldering process ensures low parasitic resistance, allowing for the precise measurement of the Zener "knee" profile.
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