Overview
The MMBT3904WT1 is a general-purpose NPN silicon transistor produced by onsemi. It is designed for low power surface mount applications and is housed in the SOT-323/SC-70 package. This transistor is AEC-Q101 qualified and PPAP capable, making it suitable for automotive and other applications requiring unique site and control change requirements. The device is Pb-free, halogen-free/BFR-free, and RoHS compliant.
Key Specifications
| Characteristic | Symbol | 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 |
| Junction and Storage Temperature | TJ, Tstg | -55 to +150 | °C |
| Thermal Resistance, Junction-to-Ambient | RθJA | 833 | °C/W |
| DC Current Gain (IC = 0.1 mAdc, VCE = 1.0 Vdc) | hfe | 100 - 400 | |
| Output Capacitance (VCB = 5.0 Vdc, IE = 0, f = 1.0 MHz) | Cobo | 4.0 - 4.5 | pF |
| Input Capacitance (VEB = 0.5 Vdc, IC = 0, f = 1.0 MHz) | Cibo | pF | |
| Noise Figure (VCE = 5.0 Vdc, IC = 100 μAdc, RS = 1.0 kΩ, f = 1.0 kHz) | NF | 5.0 | dB |
Key Features
- General-purpose amplifier transistor designed for low power surface mount applications.
- Housed in the SOT-323/SC-70 package.
- AEC-Q101 qualified and PPAP capable, suitable for automotive and other applications requiring unique site and control change requirements.
- Pb-free, halogen-free/BFR-free, and RoHS compliant.
- High DC current gain (hfe) ranging from 100 to 400.
- Low thermal resistance, junction-to-ambient (RθJA) of 833 °C/W.
Applications
- General-purpose amplifier applications.
- Automotive electronics.
- Consumer electronics.
- Industrial control systems.
- Low power surface mount applications.
Q & A
- What is the collector-emitter voltage rating of the MMBT3904WT1 transistor?
The collector-emitter voltage rating is 40 Vdc.
- What package type is the MMBT3904WT1 transistor housed in?
The transistor is housed in the SOT-323/SC-70 package.
- Is the MMBT3904WT1 transistor RoHS compliant?
Yes, the transistor is Pb-free, halogen-free/BFR-free, and RoHS compliant.
- What is the DC current gain range of the MMBT3904WT1 transistor?
The DC current gain (hfe) ranges from 100 to 400.
- What is the thermal resistance, junction-to-ambient, of the MMBT3904WT1 transistor?
The thermal resistance, junction-to-ambient (RθJA), is 833 °C/W.
- What are the typical applications of the MMBT3904WT1 transistor?
Typical applications include general-purpose amplifier applications, automotive electronics, consumer electronics, and industrial control systems.
- Is the MMBT3904WT1 transistor AEC-Q101 qualified?
Yes, the transistor is AEC-Q101 qualified and PPAP capable.
- What is the collector current rating of the MMBT3904WT1 transistor?
The collector current rating is 200 mAdc.
- What is the junction and storage temperature range of the MMBT3904WT1 transistor?
The junction and storage temperature range is -55 to +150 °C.
- What is the noise figure of the MMBT3904WT1 transistor?
The noise figure (NF) is 5.0 dB at VCE = 5.0 Vdc, IC = 100 μAdc, RS = 1.0 kΩ, and f = 1.0 kHz.
