Part Details for AO4812 by Alpha & Omega Semiconductor
Results Overview of AO4812 by Alpha & Omega Semiconductor
- Distributor Offerings: (4 listings)
- Number of FFF Equivalents: (0 replacements)
- CAD Models: (Request Part)
- Number of Functional Equivalents: (6 options)
- Part Data Attributes: (Available)
- Reference Designs: (Not Available)
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.
AO4812 Information
AO4812 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 AO4812
| Part # | Distributor | Description | Stock | Price | Buy | |
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DISTI #
AO4812-ND
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DigiKey | MOSFET 2N-CH 30V 6A 8SOIC Min Qty: 3000 Lead time: 16 Weeks Container: Tape & Reel (TR) | Limited Supply - Call |
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$0.1300 / $0.1560 | Buy Now |
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Quest Components | 6000 MA, 30 V, 2 CHANNEL, N-CHANNEL, SI, SMALL SIGNAL, MOSFET | 821 |
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$0.1560 / $0.2925 | Buy Now |
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DISTI #
AO4812
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TME | Transistor: N-MOSFET, unipolar Min Qty: 1 | 0 |
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$0.1660 / $0.6340 | RFQ |
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Chip 1 Exchange | INSTOCK | 2940 |
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RFQ |
Part Details for AO4812
AO4812 CAD Models
AO4812 Part Data Attributes
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AO4812
Alpha & Omega Semiconductor
Buy Now
Datasheet
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Compare Parts:
AO4812
Alpha & Omega Semiconductor
Small Signal Field-Effect Transistor, 6A I(D), 30V, 2-Element, N-Channel, Silicon, Metal-oxide Semiconductor FET, GREEN, SOIC-8
Select a part to compare: |
| Rohs Code | Yes | |
| Part Life Cycle Code | Active | |
| Ihs Manufacturer | ALPHA & OMEGA SEMICONDUCTOR LTD | |
| Part Package Code | SOT | |
| Pin Count | 8 | |
| Reach Compliance Code | compliant | |
| ECCN Code | EAR99 |
Alternate Parts for AO4812
This table gives cross-reference parts and alternative options found for AO4812. 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 AO4812, 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 |
|---|---|---|---|---|
| TPC8A07-H | Toshiba America Electronic Components | Check for Price | TRANSISTOR 6800 mA, 30 V, 2 CHANNEL, N-CHANNEL, Si, SMALL SIGNAL, MOSFET, ROHS COMPLIANT, THIN, 2-6J1E, 8 PIN, FET General Purpose Small Signal | AO4812 vs TPC8A07-H |
| SI4920DYF011 | Fairchild Semiconductor Corporation | Check for Price | Small Signal Field-Effect Transistor, 6A I(D), 30V, 2-Element, N-Channel, Silicon, Metal-oxide Semiconductor FET, SO-8 | AO4812 vs SI4920DYF011 |
| SI4920DYL86Z | Fairchild Semiconductor Corporation | Check for Price | Small Signal Field-Effect Transistor, 6A I(D), 30V, 2-Element, N-Channel, Silicon, Metal-oxide Semiconductor FET, SO-8 | AO4812 vs SI4920DYL86Z |
| SI4920DYD84Z | Fairchild Semiconductor Corporation | Check for Price | Small Signal Field-Effect Transistor, 6A I(D), 30V, 2-Element, N-Channel, Silicon, Metal-oxide Semiconductor FET, SO-8 | AO4812 vs SI4920DYD84Z |
| AO4800B | Alpha & Omega Semiconductor | Check for Price | Small Signal Field-Effect Transistor, 6.9A I(D), 30V, 2-Element, N-Channel, Silicon, Metal-oxide Semiconductor FET, GREEN, SOIC-8 | AO4812 vs AO4800B |
| 934055442118 | NXP Semiconductors | Check for Price | 6300mA, 30V, 2 CHANNEL, N-CHANNEL, Si, SMALL SIGNAL, MOSFET, MS-012AA, PLASTIC, SO-8 | AO4812 vs 934055442118 |
AO4812 Frequently Asked Questions (FAQ)
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The maximum junction temperature (Tj) for the AO4812 is 150°C, but it's recommended to keep it below 125°C for reliable operation.
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Power dissipation (PD) can be calculated using the formula: PD = (VIN x IIN) + (VOUT x IOUT). Make sure to consider the thermal resistance (RθJA) and maximum junction temperature (Tj) when calculating the power dissipation.
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The recommended input capacitor value for the AO4812 is 10uF to 22uF, with an ESR (Equivalent Series Resistance) of less than 1 ohm. This helps to reduce input voltage ripple and improve overall performance.
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Yes, the AO4812 is suitable for high-frequency switching applications up to 1MHz. However, it's essential to consider the switching losses, layout, and thermal management to ensure reliable operation.
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You can use external overvoltage protection (OVP) and undervoltage protection (UVP) circuits to prevent damage to the AO4812. Additionally, consider using a voltage supervisor or a reset IC to monitor the input voltage and reset the system if it falls outside the recommended operating range.