PN Junction Diode Apparatus – 2 Meter
Product Code : SCL-PLE-11755
The StemAids P-N Junction Diode Apparatus is a high-fidelity laboratory workstation engineered for the empirical study of semiconductor carrier dynamics. Optimized for University-level physics and TVET electronics, this 2-meter (dual analog/digital display) unit facilitates the simultaneous monitoring of voltage and current. Manufactured to ISO 9001:2015 standards, it provides a stable, regulated environment for plotting the I-V characteristic curves in both forward and reverse bias modes within institutional laboratories.
Technical Specifications
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Tender Specification |
OEM Technical Detail |
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Integrated Meters |
Dual meters (Voltmeter and Ammeter) for concurrent data logging |
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Voltage Range |
Dual Range: 0–3V (Forward) and 0–30V (Reverse) |
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Current Range |
Dual Range: 0–10mA (Forward) and 0–100μA (Reverse) |
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Power Supply |
Integrated regulated DC supply with fine/coarse voltage control |
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Component Support |
Silicon (Si) and Germanium (Ge) diodes included for comparative study |
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Interface Hardware |
4mm color-coded safety shrouded binding posts |
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Chassis Construction |
High-impact ABS polymer or powder-coated metallic enclosure |
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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)
- Semiconductor Interface: Facilitates student visualization of depletion layer dynamics and barrier potential (Vb), supporting Solid State Physics Module 101.
- I-V Quantification: Enables the physical study of non-ohmic conductors, allowing learners to apply data to plot the characteristic "knee voltage" and breakdown regions.
- Material Comparison Analysis: Supports the analysis of band-gap differences by comparing the turn-on voltages of Silicon (≈7V) versus Germanium (≈0.3V).
- Dynamic Resistance Evaluation: Allows students to evaluate the change in resistance (rd=ΔV/ΔI) across different operating points of the diode.
International Logistics & Compliance
StemAids ensures comprehensive OEM readiness for global institutional procurement:
- Packaging: Export-grade seaworthy crating (ISPM-15 compliant) featuring anti-static internal stabilization and moisture-barrier vacuum sealing to protect the internal solid-state circuitry.
- Documentation: Includes Manufacturer’s Authorization Form (MAF), Certificate of Conformance (CoC), and a comprehensive Lab Manual with 5+ semiconductor experiments.
- Durability: Tropicalized design featuring high-grade FR-4 PCBs and oxidation-resistant terminals to ensure long-term functionality in high-humidity climates.
Direct OEM Sourcing Advantages
Procuring the StemAids P-N Junction Diode Apparatus directly ensures vertical manufacturing control:
- In-House Regulated Power Calibration: Every unit is batch-tested to ensure the internal DC supply has minimal ripple, preventing noisy data points during sensitive reverse-bias measurements.
- Batch-Tested for Uniform Reliability: Meters are calibrated against NIST-traceable standards to ensure ±1% accuracy across the entire scale.
- Direct Factory Spares Availability: Guaranteed availability of replacement diodes, internal fuses, and safety patch cords to maximize long-term laboratory ROI.
- Manufacturing Control: Direct oversight of the internal layout ensures minimal parasitic capacitance, allowing for clean demonstrations of diode switching behavior.
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