AO3400 – N Channel MOSFET
The AO3400 is an N‑channel MOSFET from Alpha & Omega Semiconductor, designed for efficient switching in compact electronic designs. It features a Drain‑Source voltage of 30 V and a continuous drain current of up to 5.8 A at V_GS = 10 V. Its SOT‑23 surface mount package is suitable for dense PCB layouts where space is limited. AO3400 Datasheet PDF
This device has a low on-resistance (R_DS(on) < 28 mΩ at V_GS = 10 V), which reduces conduction loss and heat generation, making it suitable for battery-powered systems, DC‑DC converters, and portable electronics. Its low gate-charge (~7 nC) and fast switching characteristics allow for precise control in PWM circuits, motor control, and voltage regulation applications.
The AO3400 is built with trench-MOSFET technology and is RoHS-compliant, supporting operation across a wide temperature range. It is suitable for industrial and commercial applications requiring reliable, long-term performance in switching tasks.
Key Specs
| Parameter | Specification |
|---|---|
| Drain‑Source Voltage (V_DS) | 30 V |
| Continuous Drain Current (I_D @ V_GS = 10 V) | 5.8 A |
| On‑Resistance (R_DS(on)) | < 28 mΩ @ V_GS = 10 V, < 33 mΩ @ V_GS = 4.5 V, < 52 mΩ @ V_GS = 2.5 V |
| Package | SOT‑23 |
| Gate Threshold Voltage (V_GS(th)) | 0.65 – 1.45 V |
| Total Gate Charge (Q_g) | ~ 7 nC @ V_GS = 4.5 V |
| Input Capacitance (C_iss) | 630 pF (max) @ V_DS = 15 V |
| Power Dissipation (P_D, TA = 25 °C) | ~ 1.4 W |
| Operating Temperature Range | –55 °C to +150 °C |
| Gate‑Source Voltage (V_GS max) | ±12 V |
For more detailed information, please refer to the Alpha & Omega Semiconductor datasheet for AO3400: AO3400 Datasheet PDF
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