Datasheets
SI4940DY-T1-E3 by:

Small Signal Field-Effect Transistor, 4.2A I(D), 40V, 2-Element, N-Channel, Silicon, Metal-oxide Semiconductor FET, ROHS COMPLIANT, SOP-8

Part Details for SI4940DY-T1-E3 by Vishay Siliconix

Overview of SI4940DY-T1-E3 by Vishay Siliconix

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Price & Stock for SI4940DY-T1-E3

Part # Distributor Description Stock Price Buy
DISTI # 70026236
RS DUAL N-CHANNEL 40V (D-S) MOSFET | Siliconix / Vishay SI4940DY-T1-E3 RoHS: Not Compliant Min Qty: 2500 Package Multiple: 1 Container: Bulk 0
  • 2,500 $1.8100
  • 25,000 $1.7200
  • 125,000 $1.6300
  • 250,000 $1.5400
$1.5400 / $1.8100 RFQ

Part Details for SI4940DY-T1-E3

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SI4940DY-T1-E3 Part Data Attributes

SI4940DY-T1-E3 Vishay Siliconix
Buy Now Datasheet
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SI4940DY-T1-E3 Vishay Siliconix Small Signal Field-Effect Transistor, 4.2A I(D), 40V, 2-Element, N-Channel, Silicon, Metal-oxide Semiconductor FET, ROHS COMPLIANT, SOP-8
Rohs Code Yes
Part Life Cycle Code Obsolete
Ihs Manufacturer VISHAY SILICONIX
Part Package Code SOT
Package Description SMALL OUTLINE, R-PDSO-G8
Pin Count 8
Reach Compliance Code compliant
ECCN Code EAR99
Configuration SEPARATE, 2 ELEMENTS WITH BUILT-IN DIODE
DS Breakdown Voltage-Min 40 V
Drain Current-Max (ID) 4.2 A
Drain-source On Resistance-Max 0.036 Ω
FET Technology METAL-OXIDE SEMICONDUCTOR
JESD-30 Code R-PDSO-G8
JESD-609 Code e3
Moisture Sensitivity Level 1
Number of Elements 2
Number of Terminals 8
Operating Mode ENHANCEMENT MODE
Operating Temperature-Max 150 °C
Package Body Material PLASTIC/EPOXY
Package Shape RECTANGULAR
Package Style SMALL OUTLINE
Polarity/Channel Type N-CHANNEL
Qualification Status Not Qualified
Surface Mount YES
Terminal Finish MATTE TIN
Terminal Form GULL WING
Terminal Position DUAL
Transistor Element Material SILICON

Alternate Parts for SI4940DY-T1-E3

This table gives cross-reference parts and alternative options found for SI4940DY-T1-E3. The Form Fit Function (FFF) tab will give you the options that are more likely to serve as direct pin-to-pin alternates or drop-in parts. The Functional Equivalents tab will give you options that are likely to match the same function of SI4940DY-T1-E3, but it may not fit your design. Always verify details of parts you are evaluating, as these parts are offered as suggestions for what you are looking for and are not guaranteed.

Part Number Description Manufacturer Compare
SI4940DY-E3 Small Signal Field-Effect Transistor, 4.2A I(D), 40V, 2-Element, N-Channel, Silicon, Metal-oxide Semiconductor FET, SO-8 Vishay Siliconix SI4940DY-T1-E3 vs SI4940DY-E3
SI4940DY-T1-E3 Small Signal Field-Effect Transistor, 4.2A I(D), 40V, 2-Element, N-Channel, Silicon, Metal-oxide Semiconductor FET, MS-012AA, ROHS COMPLIANT, MS-012, SOP-8 Vishay Intertechnologies SI4940DY-T1-E3 vs SI4940DY-T1-E3
Part Number Description Manufacturer Compare
SI4940DY-E3 Small Signal Field-Effect Transistor, 4.2A I(D), 40V, 2-Element, N-Channel, Silicon, Metal-oxide Semiconductor FET, SO-8 Vishay Siliconix SI4940DY-T1-E3 vs SI4940DY-E3
SI4940DY-T1-E3 Small Signal Field-Effect Transistor, 4.2A I(D), 40V, 2-Element, N-Channel, Silicon, Metal-oxide Semiconductor FET, MS-012AA, ROHS COMPLIANT, MS-012, SOP-8 Vishay Intertechnologies SI4940DY-T1-E3 vs SI4940DY-T1-E3

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