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Vishay SI4166DYT1GE3 Power MOSFET

The Si4166DY is a high-performance N-channel power MOSFET designed for low-side DC/DC conversion applications in notebooks and gaming devices. It features a drain-source voltage of 30 V, low on-state resistance, and high pulsed drain current capacity, ensuring efficient power management. With halogen-free and RoHS compliance, it is suitable for environmentally conscious production. The device offers excellent thermal characteristics, including a maximum junction temperature of 150°C and a low junction-to-ambient thermal resistance, making it ideal for compact, high-reliability electronic systems.

Authorized Distributors
Source:Newark
Part No:SI4166DY-T1-GE3
Stock:2881
Inv Date:06-10-2026
Price: Unit price: $2.32
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Source:DigiKey
Part No:SI4166DY-T1-GE3
Stock:6388
Inv Date:06-10-2026
Price: Unit price: $2.14
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Part No:SI4166DY-T1-GE3
Stock:2459
Inv Date:06-11-2026
Price: Unit price: $2.14
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Part No:SI4166DY-T1-GE3
Stock:0
Inv Date:06-10-2026
Price: Unit price: $0.99
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Source:Arrow EU
Part No:SI4166DY-T1-GE3
Stock:2500
Inv Date:06-11-2026
Price: N/A
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Part No:SI4166DY-T1-GE3
Stock:615
Inv Date:06-11-2026
Price: N/A
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Vishay SI4166DYT1GE3 Power MOSFET Specifications:

  • Drain-Source Voltage: 30 V
  • Gate-Source Voltage: ±20 V
  • Continuous Drain Current: 20.5 A at 25°C, 16.5 A at 70°C
  • Pulsed Drain Current: 70 A
  • Maximum Power Dissipation: 2.256 W
  • Operating Junction Temperature Range: -55°C to 150°C
  • Maximum Junction-to-Ambient Resistance: 41 °C/W
  • Maximum Junction-to-Foot Resistance: 19 °C/W
  • Body Diode Forward Voltage: 0.74 to 1.4 V
  • Body Diode Reverse Recovery Time: 28 to 55 ns
  • Package: SO-8 (Small Outline Integrated Circuit) with copper spreading for heat dissipation
  • Thermal Resistance (Junction-to-Ambient): 41 °C/W
  • Lead Material: Lead-free, halogen-free

Buy the Buy Vishay Si4166DY Power MOSFET Part Number SI4166DYT1GE3 Online

Purchase the Vishay Si4166DY Power MOSFET online today to ensure high efficiency in low-side DC/DC conversion circuits. This 30 V device offers low Rds(on) and high pulsed current capacity, suitable for notebook, gaming, and compact electronics. Its RoHS compliance and halogen-free design make it ideal for environmentally conscious projects. With excellent thermal performance, including a maximum junction temperature of 150°C and low thermal resistance, it guarantees reliable operation and longevity in demanding applications. Order now for quick delivery and optimized power efficiency.

Buy Vishay Si4166DY power MOSFET now and experience unmatched reliability and performance for your low-side switching and power management needs.

Frequently Asked Questions

Where can I buy Vishay SI4166DYT1GE3?

You can click on the BUY or RFQ button to purchase SI4166DYT1GE3 from an authorized Vishay distributor.

How do I troubleshoot issues or seek technical support for part SI4166DYT1GE3?

You can download the SI4166DYT1GE3 datasheet or visit the Vishay website for support.

Who is the manufacturer of SI4166DYT1GE3?

Vishay

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