SCR Characteristics Apparatus
Product Code : SCL-PLE-11840
The StemAids SCR Characteristics Apparatus is a precision laboratory workstation engineered for the empirical study of the Silicon Controlled Rectifier (SCR) or Thyristor. This instrument allows students to plot the V-I characteristics and investigate the "Gate Triggering" mechanism of power semiconductor devices. Manufactured to ISO 9001:2015 standards, it is an essential platform for University Power Electronics and Industrial Automation labs to quantify the latching and holding currents critical for AC power control.
Technical Specifications
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Tender Specification |
OEM Technical Detail |
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Active Device |
High-reliability SCR (e.g., TYN612 or equivalent) |
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Power Supplies |
Two independent regulated DC sources: Anode Supply (0–30V) and Gate Supply (0–5V) |
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Monitoring |
4 Integrated Meters (Anode Voltmeter, Anode Ammeter, Gate Voltmeter, Gate Ammeter) |
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Ammeter Resolution |
Dual Scale: Milli-ampere for Anode current and Micro-ampere for Gate current |
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Control Interface |
Continuously variable potentiometers for Anode and Gate biasing |
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Circuit Mimic |
High-contrast, scratch-resistant schematic overlay for intuitive wiring |
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Interface Hardware |
4mm safety-shrouded sockets for multi-meter integration |
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ISO Compliance Code |
Manufactured under ISO 9001:2015 Quality Management Systems |
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HS Code |
9023.00.00 (Demonstrational scientific apparatus) |
Key Pedagogical Outcomes (Bloom’s Taxonomy Alignment)
- Thyristor Interface: Facilitates student visualization of the four-layer (P-N-P-N) semiconductor structure, supporting Power Electronics Module 101.
- Triggering Quantification: Enables the physical measurement of the "Gate Triggering" voltage and current; learners apply varying gate potentials to determine the point of conduction.
- V-I Analysis: Supports the analysis of "Forward Blocking" vs. "Forward Conduction" states; students evaluate the characteristic curve to identify Latching Current (IL) and Holding Current (IH).
- Commutation Evaluation: Allows students to evaluate the methods required to turn off an SCR, fostering a deeper understanding of circuit protection and DC-to-AC power conversion.
International Logistics & Compliance
StemAids ensures comprehensive OEM readiness for global institutional procurement:
- Packaging: Export-grade seaworthy crating (ISPM-15 compliant). The unit is secured in high-density anti-static (ESD) foam to protect sensitive internal logic and monitoring movements.
- Documentation: Includes Manufacturer’s Authorization Form (MAF), Certificate of Conformance (CoC), and a detailed laboratory manual with sample characteristic tables.
- Durability: Tropicalized design featuring anti-corrosion terminals and moisture-resistant PCBs, ensuring longevity in high-humidity or non-climate-controlled laboratory environments.
Direct OEM Sourcing Advantages
Procuring the StemAids SCR Characteristics Apparatus directly ensures vertical manufacturing control:
- Low-Ripple Gate Bias: We utilize high-stability internal IC regulation to ensure the gate current is jitter-free, which is critical for accurate "trigger point" identification.
- Integrated Safety Resistors: Direct oversight ensures that current-limiting resistors are hard-wired to protect the SCR from thermal destruction during "Full Conduction" experiments.
- Direct Factory Spares Availability: Guaranteed availability of replacement SCRs, potentiometers, and meters to maximize the long-term ROI of institutional science kits.
- Manufacturing Control: Direct oversight of the internal layout ensures minimal parasitic capacitance, allowing for clear observation of switching characteristics without interference.
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