Overview
The MMBT3904LT1 is an NPN silicon switching transistor produced by Infineon Technologies. It is designed for general-purpose switching applications and is known for its high DC current gain and low collector-emitter saturation voltage. This transistor is part of the MMBT3904 series, which is widely used in various electronic circuits due to its reliability and performance.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Collector-Emitter Voltage (VCEO) | 40 | Vdc |
| Collector-Base Voltage (VCBO) | 60 | Vdc |
| Emitter-Base Voltage (VEBO) | 6.0 | Vdc |
| Collector Current - Continuous (IC) | 200 | mAdc |
| Maximum Collector Power Dissipation (Pc) | 0.3 | W |
| Transition Frequency (ft) | 200 | MHz |
| Collector Capacitance (Cc) | 4 | pF |
| Forward Current Transfer Ratio (hFE), MIN | 100 | |
| Max. Operating Junction Temperature (Tj) | 135 | °C |
| Package | SOT23 |
Key Features
- High DC current gain: 100 to 400
- Low collector-emitter saturation voltage
- Pb-free (RoHS compliant) package
- AEC Q101 qualified and PPAP capable
- Epitaxial planar die construction
- Complementary PNP type available (MMBT3906)
Applications
The MMBT3904LT1 is suitable for a wide range of general-purpose switching applications, including but not limited to:
- Automotive systems: Due to its AEC Q101 qualification, it is reliable for use in automotive electronics
- Consumer electronics: Used in various consumer devices for switching and amplification purposes
- Industrial control systems: For reliable switching in industrial control circuits
- Audio and signal processing: Due to its good noise figure and small-signal current gain characteristics
Q & A
- What is the collector-emitter voltage rating of the MMBT3904LT1?
The collector-emitter voltage rating is 40 Vdc. - What is the maximum collector current of the MMBT3904LT1?
The maximum continuous collector current is 200 mA. - What is the package type of the MMBT3904LT1?
The package type is SOT23. - Is the MMBT3904LT1 RoHS compliant?
Yes, the MMBT3904LT1 is Pb-free and RoHS compliant. - What is the transition frequency of the MMBT3904LT1?
The transition frequency is 200 MHz. - What is the maximum operating junction temperature of the MMBT3904LT1?
The maximum operating junction temperature is 135 °C. - Is the MMBT3904LT1 AEC Q101 qualified?
Yes, the MMBT3904LT1 is AEC Q101 qualified and PPAP capable. - What is the collector capacitance of the MMBT3904LT1?
The collector capacitance is 4 pF. - What is the forward current transfer ratio (hFE) of the MMBT3904LT1?
The minimum forward current transfer ratio (hFE) is 100. - What are the complementary types of the MMBT3904LT1?
The complementary PNP type is the MMBT3906.
