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Small Signal Field-Effect Transistor, 6A I(D), 20V, 1-Element, N-Channel, Silicon, Metal-oxide Semiconductor FET, GREEN PACKAGE-3
Tip: Data for a part may vary between manufacturers. You can filter for manufacturers on the top of the page next to the part image and part number.
AO3420 by Alpha & Omega Semiconductor is a Power Field-Effect Transistor.
Power Field-Effect Transistors are under the broader part category of Transistors.
A transistor is a small semiconductor device used to amplify, control, or create electrical signals. When selecting a transistor, factors such as voltage, current rating, gain, and power dissipation must be considered, with common types. Read more about Transistors on our Transistors part category page.
Part # | Distributor | Description | Stock | Price | Buy | |
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DISTI #
785-1014-1-ND
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DigiKey | MOSFET N-CH 20V 6A SOT23-3L Min Qty: 1 Lead time: 16 Weeks Container: Digi-Reel®, Cut Tape (CT), Tape & Reel (TR) |
766036 In Stock |
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$0.0900 / $0.5600 | Buy Now |
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Bristol Electronics | 948 |
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RFQ | ||
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Quest Components | SMALL SIGNAL FIELD-EFFECT TRANSISTOR, 6A I(D), 20V, 1-ELEMENT, N-CHANNEL, SILICON, METAL-OXIDE SEMICONDUCTOR FET | 14 |
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$0.2175 | Buy Now |
DISTI #
AO3420
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TME | Transistor: N-MOSFET, unipolar, 20V, 5A, 0.9W, SOT23 Min Qty: 5 | 322 |
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$0.0540 / $0.1460 | Buy Now |
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ComSIT USA | 20 V N-CHANNEL MOSFET Small Signal Field-Effect Transistor, 6A I(D), 20V, 1-Element, N-Channel, Silicon, Metal-oxide Semiconductor FET ECCN: EAR99 RoHS: Compliant |
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RFQ | |
DISTI #
SMC-AO3420
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Sensible Micro Corporation | OEM Excess 5-7 Days Leadtime, We are an AS6081 Certified Vendor, 1 Yr Warranty RoHS: Not Compliant Min Qty: 25 Lead time: 2 Weeks, 0 Days Date Code: 2018+ | 16935 |
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RFQ |
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AO3420
Alpha & Omega Semiconductor
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Datasheet
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AO3420
Alpha & Omega Semiconductor
Small Signal Field-Effect Transistor, 6A I(D), 20V, 1-Element, N-Channel, Silicon, Metal-oxide Semiconductor FET, GREEN PACKAGE-3
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Pbfree Code | Yes | |
Rohs Code | Yes | |
Part Life Cycle Code | Active | |
Ihs Manufacturer | ALPHA & OMEGA SEMICONDUCTOR LTD | |
Pin Count | 3 | |
Reach Compliance Code | compliant | |
ECCN Code | EAR99 | |
Samacsys Manufacturer | Alpha & Omega Semiconductors | |
Peak Reflow Temperature (Cel) | NOT SPECIFIED | |
Time@Peak Reflow Temperature-Max (s) | NOT SPECIFIED |
The maximum junction temperature of the AO3420 is 150°C.
To ensure optimal thermal performance, it's essential to provide a good thermal path from the device to a heat sink or a metal pad on the PCB. Use a thermal interface material (TIM) and follow the recommended land pattern and thermal pad layout.
The recommended PCB layout for the AO3420 includes a solid ground plane, a separate power plane for the drain, and a thermal pad connected to a heat sink or a metal pad on the PCB. Keep the high-current paths short and wide, and use a multi-layer PCB to reduce electromagnetic interference (EMI).
To protect the AO3420 from overvoltage and overcurrent, use a voltage regulator or a voltage clamp to limit the voltage, and add a current sense resistor and a fuse or a current limiter to prevent overcurrent conditions.
The safe operating area (SOA) of the AO3420 is defined by the maximum voltage, current, and power dissipation ratings. Ensure that the device operates within these limits to prevent damage or degradation.