Alpha & Omega Semiconductor Inc.TO-251-3 Short Leads, IPak, TO-251AARoHS
AOI452A
MOSFET N-CH 25V 55A TO251A
Category
Subcategory
Transistors Fets Mosfets Single
Package
TO-251-3 Short Leads, IPak, TO-251AA
Series
SDMOS™
Status
Obsolete
Price available on request
MOQ: 1 pcs
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Parameters
| Parameter | Value |
|---|---|
| Brand | Alpha & Omega Semiconductor Inc. |
| Model | AOI452A |
| Package / Case | TO-251-3 Short Leads, IPak, TO-251AA |
| Mounting Type | Through Hole |
| Operating Temperature | -55°C ~ 175°C (TJ) |
| FET Type | N-Channel |
| Drain to Source Voltage (Vdss) | 25 V |
| Rds On (Max) | 7.3mOhm @ 20A, 10V |
| Vgs(th) (Max) | 2.5V @ 250µA |
| Gate Charge (Qg) | 26 nC @ 10 V |
| Input Capacitance (Ciss) | 1450 pF @ 12.5 V |
| Power Dissipation (Max) | 3.2W (Ta), 50W (Tc) |
| Drive Voltage | 4.5V, 10V |
| Supplier Device Package | TO-251A |
| RoHS | RoHS |
| Part Status | Obsolete |
Application & Notes
AOI452A by Alpha & Omega Semiconductor Inc. is an N-channel power MOSFET rated at 25 V / N/A, commonly used in DC-DC converters, motor drivers, power supplies, and battery protection circuits. The TO-251-3 Short Leads, IPak, TO-251AA package offers good thermal performance for SMT mounting. Key spec: Rds(on) max 7.3mOhm @ 20A, 10V. Select gate driver voltage carefully — logic-level variants exist for direct MCU drive.
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All Technical Specifications
| FET Type | N-Channel |
| Vgs (Max) | ±20V |
| Technology | MOSFET (Metal Oxide) |
| Vgs(th) (Max) @ Id | 2.5V @ 250µA |
| Rds On (Max) @ Id, Vgs | 7.3mOhm @ 20A, 10V |
| Power Dissipation (Max) | 3.2W (Ta), 50W (Tc) |
| Gate Charge (Qg) (Max) @ Vgs | 26 nC @ 10 V |
| Drain to Source Voltage (Vdss) | 25 V |
| Input Capacitance (Ciss) (Max) @ Vds | 1450 pF @ 12.5 V |
| Drive Voltage (Max Rds On, Min Rds On) | 4.5V, 10V |
| Current - Continuous Drain (Id) @ 25°C | 55A (Tc) |
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