AO3401A
Manufacturer
Model
AO3401A
Category
The GOODWORK AO3401A is a compact P-channel MOSFET designed for low-power switching applications. With a 30V rating, 4.2A continuous current, and ultra-low 61mΩ RDS(on), it is ideal for battery-powered devices and portable electronics. Its SOT-23 package ensures space efficiency, while the -55°C to +150°C operating range supports diverse environments. Proper thermal management and gate trace minimization are critical for reliable operation.
Reference Pricing
Reference Stock
Specifications
| Drain Current (Id) | -4.2A |
| Drain-Source Voltage (Vds) | -30V |
| Gate-Source Voltage (Vgs) | ±12V |
| On-Resistance (Rds(on)) | 54mΩ |
| Operating Temperature Range | -55 to 150℃ |
| Package Material | Not specified |
| Package Type | SOT-23 |
| Rated Voltage | 30V |
| Switching Speed | {"Turn-On Delay Time (Td(on))": "6.5ns", "Rise Time": "26.8ns", "Turn-Off Delay Time (Td(off))": "43.2ns", "Fall Time (Tf)": "18ns"} |
| Threshold Voltage (Vth) | -0.9V |
| Transconductance (gm) | 5.5S |
Function And Role
Core Function
P-channel MOSFET for low-power switching and signal control
Key Characteristics
- RDS(on) of 61mΩ at 2.5V (1A)
- Continuous drain current up to 4.2A
- 30V drain-to-source voltage rating
- 1.2W maximum power dissipation
- Threshold voltage of 1.3V @ 250µA
Application Domains
Basic Scenarios
- Battery-powered devices (IoT sensors, wearables)
- Low-voltage motor control circuits
- Power management in portable electronics
Extended Scenarios
- Solar inverter systems
- DC-DC converter modules
- Automotive electronic control units
Precautions
| Soldering | Use reflow soldering (250-280°C) for SOT-23 packages |
| Current Limit | Max continuous current 4.2A (peak 6A for 10ms) |
| Voltage Limit | Exceeding 30V Vdss may cause device failure |
| Thermal Management | Operating temperature -55°C to +150°C; ensure proper heat dissipation |
| Storage | Store in <10% RH, <40°C environments in anti-static packaging |
| Risk Warnings |
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Alternative Model Params
- Vdss (drain-source voltage)
- Continuous drain current (Id)
- RDS(on) resistance
- Power dissipation (Pd)
- Gate threshold voltage (Vgs(th))
Design Recommendations
| Layout | Keep gate trace <5mm to minimize inductance |
| Thermal | Use 0603 metal-film resistor for gate pull-up |
| Compatibility | compatible with 2.5V-3.3V logic systems |
| Testing | Verify switching frequency <1MHz applications |
Market Positioning
| Strengths |
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| Weaknesses |
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