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| PartNumber | SI4490DY-T1-E3 | SI4490DY | SI4490DY-E3 |
| Description | MOSFET RECOMMENDED ALT 781-SI4490DY-TR | MOSFET RECOMMENDED ALT 781-SI4490DY-T1-E3 | |
| Manufacturer | Vishay | - | - |
| Product Category | MOSFET | - | - |
| RoHS | E | - | - |
| Technology | Si | - | - |
| Mounting Style | SMD/SMT | - | - |
| Package / Case | SO-8 | - | - |
| Number of Channels | 1 Channel | - | - |
| Transistor Polarity | N-Channel | - | - |
| Id Continuous Drain Current | 4 A | - | - |
| Rds On Drain Source Resistance | 80 mOhms | - | - |
| Vgs th Gate Source Threshold Voltage | 2 V | - | - |
| Vgs Gate Source Voltage | 10 V | - | - |
| Qg Gate Charge | 34 nC | - | - |
| Minimum Operating Temperature | - 55 C | - | - |
| Maximum Operating Temperature | + 150 C | - | - |
| Pd Power Dissipation | 3.1 W | - | - |
| Configuration | Single | - | - |
| Channel Mode | Enhancement | - | - |
| Tradename | TrenchFET | - | - |
| Packaging | Reel | - | - |
| Height | 1.75 mm | - | - |
| Length | 4.9 mm | - | - |
| Series | SI4 | - | - |
| Transistor Type | 1 N-Channel | - | - |
| Width | 3.9 mm | - | - |
| Brand | Vishay / Siliconix | - | - |
| Forward Transconductance Min | 19 S | - | - |
| Fall Time | 25 ns | - | - |
| Product Type | MOSFET | - | - |
| Rise Time | 20 ns | - | - |
| Factory Pack Quantity | 2500 | - | - |
| Subcategory | MOSFETs | - | - |
| Typical Turn Off Delay Time | 32 ns | - | - |
| Typical Turn On Delay Time | 14 ns | - | - |
| Part # Aliases | SI4490DY-E3 | - | - |
| Unit Weight | 0.017870 oz | - | - |