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Vishay SI4459BDYT1GE3 P-Channel MOSFET

The Vishay Siliconix Si4459BDY is a P-Channel 30 V MOSFET designed for battery management, load switching, and adapter applications. Featuring high power density, RoHS compliance, and a trench FET technology, it enables efficient load control with low on-resistance and fast switching capabilities. Suitable for mobile device power management, it provides a maximum drain-source voltage of -30 V, continuous drain current of 16.4 A, and low gate charge for quick response times. Its compact SO-8 package supports surface mounting and high thermal performance for reliable operation in demanding electronic circuits.

Authorized Distributors
Source:Newark
Part No:SI4459BDY-T1-GE3
Stock:246
Inv Date:06-09-2026
Price: Unit price: $2.26
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Source:DigiKey
Part No:SI4459BDY-T1-GE3
Stock:1957
Inv Date:06-09-2026
Price: Unit price: $2.06
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Part No:SI4459BDY-T1-GE3
Stock:51235
Inv Date:06-10-2026
Price: Unit price: $2.06
Buy/RFQ:
Part No:SI4459BDY-T1-GE3
Stock:0
Inv Date:06-09-2026
Price: Unit price: $1.07
Buy/RFQ:

Vishay SI4459BDYT1GE3 P-Channel MOSFET Specifications:

  • Drain-source voltage: -30 V
  • Gate-source voltage: +16 /-20 V
  • Continuous drain current: 16.4 A at 25°C
  • Pulsed drain current: 150 A
  • Maximum power dissipation: 3.6 W
  • Thermal resistance junction-to-ambient: 40°C/W
  • Maximum junction temperature: -56 to +150°C
  • Package: SO-8, lead-free, halogen-free
  • Body diode forward voltage: 0.73 V at 5 A
  • Gate charge: 94 nC

Buy the Buy Vishay Si4459BDY Part Number SI4459BDYT1GE3 Online

Order the Vishay Si4459BDY P-Channel 30 V MOSFET online today to ensure efficient battery management and load switching in your electronic projects. This compact SO-8 package offers high current capability, low on-resistance, and fast switching for reliable operation. Designed for mobile devices, power supplies, and adapter circuits, it provides excellent thermal performance and RoHS compliance. Buy now to enhance your circuit's efficiency with this high-quality, surface-mount MOSFET that guarantees durability and optimal performance in demanding conditions.

Get Vishay Si4459BDY today—built for high efficiency, reliable load switching, and long-lasting durability in power management applications.

Frequently Asked Questions

Where can I buy Vishay SI4459BDYT1GE3?

You can click on the BUY or RFQ button to purchase SI4459BDYT1GE3 from an authorized Vishay distributor.

How do I troubleshoot issues or seek technical support for part SI4459BDYT1GE3?

You can download the SI4459BDYT1GE3 datasheet or visit the Vishay website for support.

Who is the manufacturer of SI4459BDYT1GE3?

Vishay

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