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Transistors / Small Signal Field-Effect Transistors / AO4447A
Datasheets
AO4447A by: Alpha & Omega Semiconductor

Small Signal Field-Effect Transistor, 17A I(D), 30V, 1-Element, P-Channel, Silicon, Metal-oxide Semiconductor FET, GREEN, SOIC-8

Part Details for AO4447A by Alpha & Omega Semiconductor

Results Overview of AO4447A by Alpha & Omega Semiconductor

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AO4447A Information

AO4447A by Alpha & Omega Semiconductor is a Small Signal Field-Effect Transistor.
Small Signal 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.

Price & Stock for AO4447A

Part # Distributor Description Stock Price Buy
DISTI # 785-1198-1-ND
DigiKey MOSFET P-CH 30V 17A 8SOIC Min Qty: 1 Lead time: 16 Weeks Container: Digi-Reel®, Cut Tape (CT), Tape & Reel (TR) 44529
In Stock
  • 1 $1.5500
  • 10 $0.9770
  • 100 $0.6510
  • 500 $0.5112
  • 1,000 $0.4661
  • 3,000 $0.3675
$0.3675 / $1.5500 Buy Now
DISTI # V72:2272_07434998
Arrow Electronics Trans MOSFET P-CH 30V 18.5A 8-Pin SOIC T/R RoHS: Compliant Min Qty: 1 Package Multiple: 1 Lead time: 16 Weeks Date Code: 2309 Container: Cut Strips Americas - 125
  • 1 $0.7206
  • 10 $0.6025
  • 25 $0.5998
  • 100 $0.3771
$0.3771 / $0.7206 Buy Now
DISTI # 67017561
Verical Trans MOSFET P-CH 30V 18.5A 8-Pin SOIC T/R RoHS: Compliant Min Qty: 16 Package Multiple: 1 Date Code: 2309 Americas - 125
  • 16 $0.6025
  • 25 $0.5998
  • 100 $0.3771
$0.3771 / $0.6025 Buy Now
DISTI # AO4447A
TME Transistor: P-MOSFET, unipolar, -30V, -13A, 2W, SO8 Min Qty: 1 1443
  • 1 $0.7800
  • 5 $0.5130
  • 25 $0.4100
  • 100 $0.3690
  • 500 $0.3490
$0.3490 / $0.7800 Buy Now
LCSC 30V 18.5A 5.8m10V18.5A 1.2V 1 piece P-channel SOIC-8 MOSFETs ROHS 240
  • 1 $0.5833
  • 10 $0.4810
  • 30 $0.4291
  • 100 $0.3787
  • 500 $0.3237
  • 1,000 $0.3069
$0.3069 / $0.5833 Buy Now
Vyrian Transistors 50365
RFQ

Part Details for AO4447A

AO4447A CAD Models

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AO4447A Part Data Attributes

Parametric Data
AO4447A Alpha & Omega Semiconductor
Buy Now Datasheet
Compare Parts:
AO4447A Alpha & Omega Semiconductor Small Signal Field-Effect Transistor, 17A I(D), 30V, 1-Element, P-Channel, Silicon, Metal-oxide Semiconductor FET, GREEN, SOIC-8
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Pbfree Code Yes
Rohs Code Yes
Part Life Cycle Code Active
Ihs Manufacturer ALPHA & OMEGA SEMICONDUCTOR LTD
Part Package Code SOT
Package Description SOIC-8
Pin Count 8
Reach Compliance Code compliant
ECCN Code EAR99
HTS Code 8541.29.00.95
Samacsys Manufacturer Alpha & Omega Semiconductors
Configuration SINGLE WITH BUILT-IN DIODE AND RESISTOR
DS Breakdown Voltage-Min 30 V
Drain Current-Max (ID) 17 A
Drain-source On Resistance-Max 0.007 Ω
FET Technology METAL-OXIDE SEMICONDUCTOR
JESD-30 Code R-PDSO-G8
Number of Elements 1
Number of Terminals 8
Operating Mode ENHANCEMENT MODE
Operating Temperature-Max 150 °C
Operating Temperature-Min -55 °C
Package Body Material PLASTIC/EPOXY
Package Shape RECTANGULAR
Package Style SMALL OUTLINE
Peak Reflow Temperature (Cel) NOT SPECIFIED
Polarity/Channel Type P-CHANNEL
Power Dissipation Ambient-Max 3.1 W
Power Dissipation-Max (Abs) 3.1 W
Surface Mount YES
Terminal Form GULL WING
Terminal Position DUAL
Time@Peak Reflow Temperature-Max (s) NOT SPECIFIED
Transistor Application SWITCHING
Transistor Element Material SILICON

Alternate Parts for AO4447A

This table gives cross-reference parts and alternative options found for AO4447A. 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 AO4447A, 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 Manufacturer Composite Price Description Compare
AO4447AL Alpha & Omega Semiconductor Check for Price Transistor AO4447A vs AO4447AL

AO4447A Related Parts

AO4447A Frequently Asked Questions (FAQ)

  • A good PCB layout for optimal thermal performance involves placing the AO4447A near a thermal pad or a heat sink, ensuring good thermal conductivity. Keep the device away from high-current carrying traces and avoid routing high-frequency signals near the device. A 2-layer or 4-layer PCB with a solid ground plane is recommended.

  • To ensure proper biasing, connect the enable pin (EN) to a logic-level input (e.g., 3.3V or 5V) and ensure the input voltage (VIN) is within the recommended range (4.5V to 28V). Also, decouple the input voltage with a 1uF ceramic capacitor and a 10uF electrolytic capacitor in parallel.

  • When designing a power supply with AO4447A, critical components to consider include the input capacitor (CIN), output capacitor (COUT), and inductor (L). Choose components with suitable voltage and current ratings, and ensure the inductor has a low DCR (direct current resistance) to minimize power losses.

  • To troubleshoot issues with the AO4447A, start by checking the input voltage, output voltage, and current. Verify the PCB layout and component selection. Check for overheating by measuring the device temperature and ensuring proper thermal management. Consult the datasheet and application notes for guidance on troubleshooting specific issues.

  • To ensure EMI and EMC compliance, consider the following: use a shielded inductor, keep the PCB layout compact, and minimize loop areas. Use a common-mode choke and a Y-capacitor to reduce EMI. Ensure the AO4447A is properly decoupled and the output is filtered with a pi-filter or an LC filter. Follow the guidelines in the datasheet and relevant industry standards (e.g., CISPR 22 and EN 55022).