Overview
The PMBT3904 is a 40 V, 200 mA NPN switching transistor manufactured by Nexperia, although it is often associated with other brands like NAPINO AUTO due to distribution and marketing channels. This transistor is housed in a small SOT23 Surface-Mounted Device (SMD) plastic package, making it suitable for a wide range of electronic applications. It is AEC-Q101 qualified, indicating its reliability and suitability for automotive and other demanding environments.
Key Specifications
| Parameter | Value |
|---|---|
| Collector Current (IC) | 200 mA |
| Collector-Emitter Voltage (VCEO) | 40 V |
| Package Type | SOT23 |
| Package Size | 2.9 x 1.3 x 1 mm |
| Total Power Dissipation (Ptot) | 250 mW |
| Current Gain (hFE) | 100 - 300 |
| Junction Temperature (TJ) | 150 °C |
| Transition Frequency (fT) | 300 MHz |
| Automotive Qualified | Yes (AEC-Q101) |
Key Features
- NPN switching transistor with a collector current capability of 200 mA and a collector-emitter voltage of 40 V.
- Housed in a SOT23 package, which is a small surface-mounted device suitable for compact designs.
- AEC-Q101 qualified, ensuring reliability and performance in automotive and other harsh environments.
- High current gain (hFE) ranging from 100 to 300.
- Transition frequency of 300 MHz, making it suitable for high-frequency applications.
Applications
The PMBT3904 is versatile and can be used in various applications, including:
- General switching and amplification circuits.
- Automotive systems due to its AEC-Q101 qualification.
- Industrial control systems requiring reliable and efficient switching transistors.
- Consumer electronics where compact size and high performance are necessary.
- Power management and control circuits in computing and mobile devices.
Q & A
- What is the collector current capability of the PMBT3904?
The collector current capability of the PMBT3904 is 200 mA. - What is the collector-emitter voltage of the PMBT3904?
The collector-emitter voltage of the PMBT3904 is 40 V. - In what package is the PMBT3904 available?
The PMBT3904 is available in a SOT23 surface-mounted device (SMD) package. - Is the PMBT3904 AEC-Q101 qualified?
Yes, the PMBT3904 is AEC-Q101 qualified, making it suitable for automotive applications. - What is the transition frequency of the PMBT3904?
The transition frequency of the PMBT3904 is 300 MHz. - What are the typical applications of the PMBT3904?
The PMBT3904 is used in general switching and amplification circuits, automotive systems, industrial control systems, consumer electronics, and power management circuits. - What is the current gain (hFE) range of the PMBT3904?
The current gain (hFE) of the PMBT3904 ranges from 100 to 300. - What is the maximum junction temperature of the PMBT3904?
The maximum junction temperature of the PMBT3904 is 150 °C. - Is the PMBT3904 suitable for high-frequency applications?
Yes, the PMBT3904 is suitable for high-frequency applications due to its transition frequency of 300 MHz. - What is the total power dissipation (Ptot) of the PMBT3904?
The total power dissipation (Ptot) of the PMBT3904 is 250 mW.
