Overview
The MMBT3904K is a general-purpose NPN bipolar junction transistor (BJT) produced by onsemi. It is designed for low power surface mount applications and is housed in the SOT-23-3 package. This transistor is suitable for a wide range of general amplifier applications due to its robust specifications and compact footprint.
Key Specifications
| Parameter | Value |
|---|---|
| Polarity | NPN |
| Collector-Base Voltage (VCBO) | 60 V |
| Collector-Emitter Voltage (VCEO) | 40 V |
| Emitter-Base Voltage (VEBO) | 6 V |
| Collector Current (IC) | 200 mA |
| Saturation Voltage (VCE(sat)) | 0.3 V |
| Base-Emitter Saturation Voltage (VBE(sat)) | 0.95 V |
| Current Gain (hFE) | 100 - 300 |
| Transition Frequency (fT) | 300 MHz |
| Power Dissipation (PT) | 350 mW |
| Package Type | SOT-23-3 |
Key Features
The MMBT3904K transistor features several key attributes that make it suitable for various applications:
- General Purpose Amplifier: Designed for general amplifier applications, making it versatile for a wide range of uses.
- Compact Package: Housed in the SOT-23-3 package, which is ideal for low power surface mount applications.
- Environmental Compliance: Pb-Free, Halogen Free/BFR Free, and RoHS Compliant, ensuring it meets current environmental standards.
- Automotive Qualification: AEC-Q101 Qualified and PPAP Capable, making it suitable for automotive and other demanding applications.
Applications
The MMBT3904K transistor is suitable for a variety of applications, including:
- General Amplifier Circuits: Ideal for use in general-purpose amplifier circuits due to its robust specifications and reliability.
- Automotive Electronics: AEC-Q101 Qualified, making it suitable for use in automotive systems and other applications requiring high reliability.
- Consumer Electronics: Can be used in various consumer electronic devices where a reliable and compact transistor is required.
- Industrial Control Systems: Suitable for use in industrial control systems where durability and performance are critical.
Q & A
- What is the collector current rating of the MMBT3904K transistor?
The collector current rating of the MMBT3904K transistor is 200 mA.
- What is the maximum collector-emitter voltage (VCEO) of the MMBT3904K transistor?
The maximum collector-emitter voltage (VCEO) of the MMBT3904K transistor is 40 V.
- What package type is the MMBT3904K transistor housed in?
The MMBT3904K transistor is housed in the SOT-23-3 package.
- Is the MMBT3904K transistor RoHS compliant?
Yes, the MMBT3904K transistor is Pb-Free, Halogen Free/BFR Free, and RoHS Compliant.
- What is the transition frequency (fT) of the MMBT3904K transistor?
The transition frequency (fT) of the MMBT3904K transistor is 300 MHz.
- Is the MMBT3904K transistor suitable for automotive applications?
Yes, the MMBT3904K transistor is AEC-Q101 Qualified and PPAP Capable, making it suitable for automotive and other demanding applications.
- What is the power dissipation (PT) of the MMBT3904K transistor?
The power dissipation (PT) of the MMBT3904K transistor is 350 mW.
- What is the base-emitter saturation voltage (VBE(sat)) of the MMBT3904K transistor?
The base-emitter saturation voltage (VBE(sat)) of the MMBT3904K transistor is 0.95 V.
- What is the current gain (hFE) range of the MMBT3904K transistor?
The current gain (hFE) range of the MMBT3904K transistor is 100 to 300.
- Is the MMBT3904K transistor available in different versions?
Yes, the MMBT3904K transistor is available in different versions, including the MMBT3904TT1G and SMMBT3904TT1G, which may have slightly different specifications and compliance.
