BUK9K25-40RAX
BUK9K25-40RA/SOT1205/LFPAK56D
Transistors Fets Mosfets Arrays
SOT-1205, 8-LFPAK56
Automotive, AEC-Q101
Active
Price available on request
MOQ: 1 pcs
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Parameters
| Parameter | Value |
|---|---|
| Brand | Nexperia USA Inc. |
| Model | BUK9K25-40RAX |
| Package / Case | SOT-1205, 8-LFPAK56 |
| Mounting Type | Surface Mount |
| Operating Temperature | -55°C ~ 175°C (TJ) |
| FET Type | 2 N-Channel (Dual) |
| Drain to Source Voltage (Vdss) | 40V |
| Rds On (Max) | 24mOhm @ 5A, 10V |
| Vgs(th) (Max) | 2.1V @ 1mA |
| Gate Charge (Qg) | 6.3nC @ 5V |
| Input Capacitance (Ciss) | 701pF @ 25V |
| Power Dissipation (Max) | 32W (Ta) |
| Supplier Device Package | LFPAK56D |
| RoHS | RoHS |
| Part Status | Active |
Application & Notes
BUK9K25-40RAX by Nexperia USA Inc. is an N-channel power MOSFET rated at 40V / N/A, commonly used in DC-DC converters, motor drivers, power supplies, and battery protection circuits. The SOT-1205, 8-LFPAK56 package offers good thermal performance for SMT mounting. Key spec: Rds(on) max 24mOhm @ 5A, 10V. Select gate driver voltage carefully — logic-level variants exist for direct MCU drive.
📖 Technical Guides for BUK9K25-40RAX
Alternatives & Replacements
View All →BUK7K17-60EX
MOSFET 2N-CH 60V 30A 56LFPAK
BUK7K5R1-30E,115
MOSFET 2N-CH 30V 40A LFPAK56D
BUK9K13-60RAX
BUK9K13-60RA/SOT1205/LFPAK56D
BUK9K5R1-30EX
BUK9K5R1-30E - DUAL N-CHANNEL 30
BUK7K8R7-40EX
MOSFET 2N-CH 40V 30A 56LFPAK
BUK7K89-100EX
MOSFET 2N-CH 100V 13A LFPAK56D
All Technical Specifications
| FET Type | 2 N-Channel (Dual) |
| FET Feature | Logic Level Gate |
| Power - Max | 32W (Ta) |
| Vgs(th) (Max) @ Id | 2.1V @ 1mA |
| Rds On (Max) @ Id, Vgs | 24mOhm @ 5A, 10V |
| Gate Charge (Qg) (Max) @ Vgs | 6.3nC @ 5V |
| Drain to Source Voltage (Vdss) | 40V |
| Input Capacitance (Ciss) (Max) @ Vds | 701pF @ 25V |
| Current - Continuous Drain (Id) @ 25°C | 18.2A (Ta) |
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