Overview
The MMBT3904-7-F is a 40V NPN small signal transistor manufactured by Diodes Incorporated. It is packaged in a SOT23-3 case, making it suitable for surface mount applications. This transistor is designed for medium power amplification and switching, and it is fully RoHS compliant, halogen and antimony free, and lead-free. It also has a complementary PNP type, the MMBT3906, and an automotive-compliant version, the MMBT3904Q.
Key Specifications
| Characteristic | Value | Unit |
|---|---|---|
| Transistor Type | NPN | |
| Collector-Base Voltage (VCBO) | 60 | V |
| Collector-Emitter Voltage (VCEO) | 40 | V |
| Emitter-Base Voltage (VEBO) | 6 | V |
| Collector Current (IC) | 200 | mA |
| Power Dissipation (PD) | 310 | mW |
| Thermal Resistance, Junction to Ambient (RθJA) | 403 | °C/W |
| Operating Temperature Range | -55°C to 150°C | |
| DC Current Gain (hFE) @ Ic, Vce | 100 @ 10mA, 1V | |
| Vce Saturation (Max) @ Ib, Ic | 300mV @ 5mA, 50mA | |
| Frequency | 300MHz | |
| Package | SOT23-3 | |
| Mounting Type | Surface Mount |
Key Features
- Complementary PNP type available (MMBT3906).
- Ideal for medium power amplification and switching.
- Totally lead-free and fully RoHS compliant.
- Halogen and antimony free, making it a “Green” device.
- Automotive-compliant part available under separate datasheet (MMBT3904Q).
- Surface mount SOT23-3 package.
- High current gain (hFE) of 100 to 400.
Applications
The MMBT3904-7-F is versatile and can be used in a variety of applications, including:
- Medium power amplification circuits.
- Switching circuits.
- Automotive electronics (with the MMBT3904Q variant).
- General-purpose electronic devices requiring small signal transistors.
Q & A
- What is the collector-emitter voltage (VCEO) of the MMBT3904-7-F? The collector-emitter voltage (VCEO) is 40V.
- What is the maximum collector current (IC) for the MMBT3904-7-F? The maximum collector current (IC) is 200mA.
- What is the power dissipation (PD) of the MMBT3904-7-F? The power dissipation (PD) is 310mW.
- Is the MMBT3904-7-F RoHS compliant? Yes, it is fully RoHS compliant.
- What is the operating temperature range of the MMBT3904-7-F? The operating temperature range is -55°C to 150°C.
- What is the frequency rating of the MMBT3904-7-F? The frequency rating is 300MHz.
- What is the package type of the MMBT3904-7-F? The package type is SOT23-3.
- Is there a complementary PNP type available for the MMBT3904-7-F? Yes, the complementary PNP type is the MMBT3906.
- Is the MMBT3904-7-F suitable for automotive applications? Yes, an automotive-compliant version, the MMBT3904Q, is available.
- What is the typical current gain (hFE) of the MMBT3904-7-F? The typical current gain (hFE) is 100 to 400.
