SCR Characteristics Apparatus
Product Code : SCL-PLE-11840
The JLab India 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. 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
| Tender Specification | OEM Technical Detail |
| Active Device | High-reliability SCR (e.g., TYN612 or equivalent) |
| Power Supplies | Two independent regulated DC sources: Anode Supply (0–30V) and Gate Supply (0–5V) |
| Monitoring | 4 Integrated Meters (Anode Voltmeter, Anode Ammeter, Gate Voltmeter, Gate Ammeter) |
| Ammeter Resolution | Dual Scale: Milli-ampere for Anode current and Micro-ampere for Gate current |
| Control Interface | Continuously variable potentiometers for Anode and Gate biasing |
| Circuit Mimic | High-contrast, scratch-resistant schematic overlay for intuitive wiring |
| Interface Hardware | 4mm safety-shrouded sockets for multi-meter integration |
Certification | ISO certificates available on request |
| 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
JLab India 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 JLab India 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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