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Vishay Siliconix
SI9120DY-E3
SI9120DY-E3
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | Dhs. 355,880.72 AED | Dhs. 355,880.72 AED |
| 15+ | Dhs. 344,642.38 AED | Dhs. 5,169,635.70 AED |
| 25+ | Dhs. 337,150.15 AED | Dhs. 8,428,753.75 AED |
| 50+ | Dhs. 318,419.59 AED | Dhs. 15,920,979.50 AED |
| 100+ | Dhs. 280,958.46 AED | Dhs. 28,095,846.00 AED |
| N+ | Dhs. 56,191.69 AED | Price Inquiry |
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SI9120DY-E3 PWM Controller IC - Vishay Siliconix
The SI9120DY-E3 is a high-performance isolated PWM controller IC from Vishay Siliconix, designed for flyback and forward converter topologies in AC-DC and DC-DC power supply applications. This versatile controller operates across a wide switching frequency range of 40kHz to 1MHz with a 50% duty cycle, making it ideal for aerospace, automotive, industrial, and telecommunications power management systems.
Key Features & Benefits
- Isolated Output Design - Provides galvanic isolation for enhanced safety and noise immunity
- Wide Switching Frequency Range - 40kHz to 1MHz operation enables flexible design optimization
- Dual Topology Support - Compatible with both flyback and forward converter architectures
- Industrial Temperature Range - Operates reliably from -40°C to +85°C (TA)
- Compact Surface Mount Package - 16-SOIC (3.90mm width) for space-efficient PCB layouts
- RoHS Compliant - Meets environmental standards for global deployment
Applications
This PWM controller is well-suited for isolated power supplies in industrial automation, telecommunications infrastructure, automotive electronics, and aerospace systems requiring long lifecycle availability and full manufacturer traceability.
Technical Specifications
| Product attributes | Property Value |
| Manufacturer | Vishay Siliconix |
| Product Series | |
| Packaging | | |
| Output Isolation | Isolated |
| Internal Switch(s) | No |
| Voltage - Breakdown | - |
| Topology | Flyback, Forward |
| Voltage - Start Up | - |
| Voltage - Supply (Vcc/Vdd) | 9.5V ~ 13.5V |
| Duty Cycle | 50% |
| Frequency - Switching | 40kHz ~ 1MHz |
| Power (Watts) | - |
| Fault Protection | - |
| Control Features | - |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Grade | - |
| Qualification | - |
| Mounting Type | Surface Mount |
| Package / Case | 16-SOIC (0.154", 3.90mm Width) |
| Supplier Device Package | 16-SOIC |
| ROHS |  |
Authorized Distributor - Full Traceability
We supply genuine SI9120DY-E3 components with complete manufacturer documentation, authenticity guarantees, and full traceability. All units are sourced through authorized channels with long lifecycle support to mitigate obsolescence risk in your critical designs.
Design Resources
Technical datasheets, reference designs, and application notes are available to support your design-in process. Contact our technical team for assistance with power supply topology selection, component sizing, and layout optimization.
Datasheets:
SI9120DY-E3
.pdf
