PN Junction Diode Characteristics Apparatus
Product Code : SCL-EI-12148
Engineered for quantitative analysis of semiconductor transport phenomena, this apparatus enables precise mapping of forward and reverse bias V-I characteristics. Designed for University and Vocational TVET curricula, the instrument features stabilized DC power supplies and high-accuracy analog monitoring. It facilitates fundamental verification of the Shockley diode equation and Zener breakdown voltages in accordance with international secondary and higher education physics standards.
Technical Specifications
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Tender Specification |
OEM Technical Detail |
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Power Input |
230V AC ±10%, 50Hz (Single Phase) |
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Internal DC Supply 1 |
Regulated 0-3V DC (Variable) for Forward Bias |
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Internal DC Supply 2 |
Regulated 0-30V DC (Variable) for Reverse Bias |
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Instrumentation (Voltmeter) |
Dual Range: 0-3V / 0-30V DC (Analog/Mirror Scale) |
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Instrumentation (Ammeter) |
Dual Range: 0-1mA (Micro) / 0-25mA (Milli) DC |
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Component Integration |
On-board P-N Junction Diode (Silicon/Germanium compatible) |
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Chassis Construction |
High-impact ABS or Powder-coated Metallic Enclosure |
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Safety Interconnects |
4mm Shrouded Banana Patch Points |
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HS Code (Inferred) |
9023.00 (Instruments, apparatus and models, designed for demonstrational purposes) |
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Operating Environment |
0°C to 50°C; 10% to 85% RH (Non-condensing) |
Key Pedagogical Outcomes (Bloom’s Taxonomy)
Feature: Dual-range Variable DC Regulated Power Supplies. Outcome: Enables students to observe the exponential current rise in forward bias versus the micro-leakage current in reverse bias, supporting Solid State Physics Module
Feature: Integrated Analog Voltmeter and Ammeter Scales. Outcome: Develops manual data logging and interpolation skills, allowing for the plotting of precise V-I curves to determine Knee Voltage and Breakdown Voltage.
Feature: Modular Patch Cord Interfacing. Outcome: Requires students to manually configure circuit topology, reinforcing theoretical understanding of biasing polarity and series-parallel resistance.
Feature: Built-in Current Limiting Protection. Outcome: Demonstrates laboratory safety protocols and prevents component thermal runaway during high-current forward bias experimentation.
International Logistics & Compliance
The apparatus is housed in a ruggedized, tropicalized enclosure tested for prolonged operation in ambient temperatures up to 45°C and 90% humidity, ensuring reliability in diverse geographical climates. Each unit is prepared for global distribution using export-grade, seaworthy crating (ISPM-15 compliant) to mitigate transit vibration and moisture ingress. Detailed documentation is provided with every shipment, including the Manufacturer’s Authorization Form (MAF), Factory Calibration Certificate, and comprehensive English-language Technical Manuals. All units undergo rigorous QC testing to meet IEC safety standards for educational laboratory equipment.
Why Source from the OEM
Procuring directly from the manufacturer ensures vertical integration and technical accountability throughout the product lifecycle. Unlike third-party traders, our facility maintains in-house PCB population, precision analog calibration, and batch-testing for electrical uniformity. This direct-to-factory relationship guarantees long-term availability of specific spares and consumables, immediate technical support for faculty, and the capability for custom-range modifications to meet specific regional tender requirements.
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