Part Details for AO4312 by Alpha & Omega Semiconductor
Results Overview of AO4312 by Alpha & Omega Semiconductor
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AO4312 Information
AO4312 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 Details for AO4312
AO4312 CAD Models
AO4312 Part Data Attributes
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AO4312
Alpha & Omega Semiconductor
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Datasheet
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AO4312
Alpha & Omega Semiconductor
Power Field-Effect Transistor, N-Channel, Metal-oxide Semiconductor FET
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| Rohs Code | Yes | |
| Part Life Cycle Code | Obsolete | |
| Ihs Manufacturer | ALPHA & OMEGA SEMICONDUCTOR LTD | |
| Package Description | , | |
| Reach Compliance Code | compliant | |
| ECCN Code | EAR99 | |
| Samacsys Manufacturer | Alpha & Omega Semiconductors | |
| Configuration | SINGLE | |
| Drain Current-Max (ID) | 23 A | |
| FET Technology | METAL-OXIDE SEMICONDUCTOR | |
| Number of Elements | 1 | |
| Operating Mode | ENHANCEMENT MODE | |
| Operating Temperature-Max | 150 °C | |
| Polarity/Channel Type | N-CHANNEL | |
| Power Dissipation-Max (Abs) | 4.2 W | |
| Surface Mount | YES |
AO4312 Frequently Asked Questions (FAQ)
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A good thermal layout is crucial for the AO4312. Ensure the drain pad is connected to a large copper area, and use thermal vias to dissipate heat. Keep the source and gate traces short and wide to minimize parasitic inductance.
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The gate resistor value depends on the driver's output impedance, the gate-source capacitance, and the desired switching frequency. A general starting point is 10-20 ohms, but you may need to adjust based on your specific design requirements.
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The AO4312's gate pin is rated for a maximum voltage of 12V, but it's recommended to keep it below 10V to ensure reliable operation and prevent damage.
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Yes, the AO4312 is suitable for high-frequency switching applications up to 1MHz. However, you'll need to consider the device's switching losses, gate charge, and layout parasitics to ensure optimal performance.
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Use a voltage clamp or a zener diode to protect the device from overvoltage. For overcurrent protection, consider adding a current sense resistor and a comparator or a dedicated overcurrent protection IC.