SI4122DY The Vishay Siliconix SI4122DY is an N-Channel MOSFET with a 40V drain-source voltage. It offers low on-resistance and high current capabilities, suitable for DC/DC conversion.
Mfr Part #:

SI4122DY

Available from 1 distributors
Mfr Name: Vishay
Vishay
The Vishay Siliconix SI4122DY is an N-Channel MOSFET with a 40V drain-source voltage. It offers low on-resistance and high current capabilities, suitable for DC/DC conversion.
✓ Total Stock: 27,815 pcs
$ Price Range: $2.81

SI4122DY Available from 1 distributor

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✓ Non-Authorised
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27815 pcs On Request 1 On Request On Request On Request On Request On Request

SI4122DY Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Halogen Free
Tape & Reel

SI4122DY Description

Short technical summary and product information.

The Vishay Siliconix SI4122DY is a high-performance N-Channel power MOSFET designed for DC/DC conversion applications. It features a 40V drain-source voltage and a low on-resistance, with a maximum of 0.0045 Ω at VGS = 10V and 0.0060 Ω at VGS = 4.5V. The continuous drain current is rated up to 27.2A at TC = 25°C.

 

This MOSFET utilizes Vishay's TrenchFET® technology, ensuring excellent performance and reliability. It is 100% Rg and UIS tested. The device operates within a junction and storage temperature range of -55°C to +150°C.

 

Packaged in an SO-8 surface-mount package, the SI4122DY is designed for efficient thermal management, with a junction-to-ambient thermal resistance of 42 °C/W and junction-to-foot thermal resistance of 21 °C/W.

 

Key electrical parameters include a typical gate charge (Qg) of 29 nC and a drain-source breakdown voltage of 40V. The part is lead (Pb)-free and halogen-free.

SI4122DY Quick Information

Product Type: MOSFET
Series: Si41
Canonical Name: SI4122DY N-Channel 40V MOSFET
Subcategory: Single MOSFET

SI4122DY Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected

SI4122DY Estimated Pricing

Qty Low High
1+ $2.81 $2.81

Estimated market price range - modelled values for guidance only, not live distributor offers.

SI4122DY Features

  • N-Channel 40V TrenchFET® power MOSFET.
  • Low on-resistance: 0.0045 Ohm max. at 10V.
  • High continuous drain current: 27.2A at 25°C.
  • SO-8 surface mount package.
  • Lead (Pb)-free and halogen-free.

SI4122DY Applications

  • Suitable for DC/DC conversion.
  • Ideal for power management circuits.
  • Used in electronic power supplies.
  • Applicable in consumer electronics.

SI4122DY FAQs

7 frequently asked questions generated from this part’s specifications.
What is the maximum drain-source voltage for the SI4122DY?

40V.

What is the package type of the SI4122DY?

SO-8 surface mount package.

What is the operating temperature range of the SI4122DY?

-55°C to +150°C.

What is the continuous drain current at TC=25°C?

27.2A.

What is the on-resistance at VGS=10V?

Maximum 4.5mΩ.

What is the typical gate charge?

29nC.

What is the maximum power dissipation at TC=25°C?

6W.

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