Overview
The PMBT4401 is an NPN switching transistor produced by NXP USA Inc. (now known as Nexperia). This transistor is designed for general-purpose and low-voltage applications, particularly in industrial and consumer switching environments. It is packaged in a small SOT23 surface-mounted device (SMD) plastic package, making it suitable for compact and efficient circuit designs.
Key Specifications
| Parameter | Conditions | Min. | Max. | Unit |
|---|---|---|---|---|
| VCBO (Collector-Base Voltage) | Open Emitter | - | 60 | V |
| VCEO (Collector-Emitter Voltage) | Open Base | - | 40 | V |
| VEBO (Emitter-Base Voltage) | Open Collector | - | 6 | V |
| IC (Collector Current, DC) | - | - | 600 | mA |
| ICM (Peak Collector Current) | - | - | 800 | mA |
| IBM (Peak Base Current) | - | - | 200 | mA |
| Ptot (Total Power Dissipation) | Tamb ≤ 25 °C | - | 250 | mW |
| Tstg (Storage Temperature) | - | -65 | +150 | °C |
| Tj (Junction Temperature) | - | - | +150 | °C |
| Tamb (Operating Ambient Temperature) | - | -65 | +150 | °C |
| hFE (DC Current Gain) | VCE = 1 V, IC = 0.1 mA | 20 | - | - |
| VCEsat (Collector-Emitter Saturation Voltage) | IC = 150 mA, IB = 15 mA | - | 400 | mV |
| VBEsat (Base-Emitter Saturation Voltage) | IC = 150 mA, IB = 15 mA | - | 950 | mV |
| ton (Turn-On Time) | ICon = 150 mA, IBon = 15 mA | - | 35 | ns |
| toff (Turn-Off Time) | ICon = 150 mA, IBon = 15 mA | - | 250 | ns |
Key Features
- High Current Capability: The PMBT4401 can handle a maximum collector current of 600 mA and a peak collector current of 800 mA.
- Low Voltage Operation: The transistor is designed to operate with a maximum collector-emitter voltage of 40 V.
- Compact Package: It is packaged in a small SOT23 surface-mounted device (SMD) plastic package, making it ideal for space-constrained applications.
- Fast Switching Times: The transistor features fast switching times, including a turn-on time of 35 ns and a turn-off time of 250 ns.
- High DC Current Gain: The hFE (DC current gain) ranges from 20 to 300, depending on the collector current.
- Low Saturation Voltages: The collector-emitter saturation voltage (VCEsat) and base-emitter saturation voltage (VBEsat) are low, ensuring efficient operation.
Applications
The PMBT4401 is suitable for various industrial and consumer switching applications, including:
- Industrial control systems
- Consumer electronics
- Automotive systems (where applicable)
- General-purpose switching circuits
Q & A
- What is the maximum collector current of the PMBT4401?
The maximum collector current (IC) of the PMBT4401 is 600 mA, with a peak collector current (ICM) of 800 mA.
- What is the maximum collector-emitter voltage of the PMBT4401?
The maximum collector-emitter voltage (VCEO) of the PMBT4401 is 40 V.
- In what package is the PMBT4401 available?
The PMBT4401 is available in a SOT23 surface-mounted device (SMD) plastic package.
- What are the typical applications of the PMBT4401?
The PMBT4401 is used in industrial and consumer switching applications, including industrial control systems, consumer electronics, and general-purpose switching circuits.
- What are the turn-on and turn-off times of the PMBT4401?
The turn-on time (ton) is 35 ns, and the turn-off time (toff) is 250 ns.
- What is the DC current gain (hFE) of the PMBT4401?
The DC current gain (hFE) of the PMBT4401 ranges from 20 to 300, depending on the collector current.
- What are the saturation voltages of the PMBT4401?
The collector-emitter saturation voltage (VCEsat) is up to 400 mV, and the base-emitter saturation voltage (VBEsat) is up to 950 mV).
- What is the thermal resistance from junction to ambient for the PMBT4401?
The thermal resistance from junction to ambient (Rth(j-a)) is 500 K/W).
- What is the storage temperature range for the PMBT4401?
The storage temperature range for the PMBT4401 is from -65°C to +150°C).
- Is the PMBT4401 RoHS compliant?
Yes, the PMBT4401 is RoHS compliant, which means it meets the EU’s Restriction of Hazardous Substances directive).
