Overview
The MMBT3904 is a small signal NPN transistor manufactured by Panjit International Inc. It is packaged in the SOT-23 format, making it suitable for surface mount applications. This transistor is designed for general-purpose switching and amplification, offering a balance of power handling and signal amplification capabilities.
The MMBT3904 is part of Panjit's extensive range of semiconductor products, known for their high quality, reliability, and compliance with industry standards such as RoHS and UL-94 V-0 flammability rating.
Key Specifications
| Parameter | Symbol | Value | Unit |
|---|---|---|---|
| Collector-Base Voltage | VCBO | 60 | V |
| Collector-Emitter Voltage | VCEO | 40 | V |
| Emitter-Base Voltage | VEBO | 6 | V |
| Collector Current | IC | 200 | mA |
| Collector Power Dissipation | Pc | 200 | mW |
| Junction Temperature | Tj | 150 | °C |
| Storage Temperature | TSTG | -55 to +150 | °C |
| Transition Frequency | fT | 300 | MHz |
| Package | SOT-23 |
Key Features
- Epitaxial Planar Die Construction: Ensures reliable performance and efficiency.
- Complementary PNP Type Available: The MMBT3906 is the complementary PNP transistor to the MMBT3904.
- Ideal for Medium Power Amplification and Switching: Suitable for a variety of applications requiring medium power handling.
- Totally Lead-Free & Fully RoHS Compliant: Meets environmental and safety standards.
- Halogen and Antimony Free: Classified as a “Green” device, adhering to strict environmental regulations.
- High Transition Frequency: Up to 300 MHz, making it suitable for high-frequency applications.
- Low Noise Figure: Ensures minimal noise in signal amplification.
Applications
- Drive Modules: Suitable for driving LEDs, relays, and other similar loads.
- Amplifier Modules: Used in signal amplifiers, audio amplifiers, and other amplification circuits.
- General Switching: Can be used to control voltage loads up to 40V.
- Automotive Applications: An automotive-compliant version (MMBT3904Q) is available for use in automotive systems.
Q & A
- What is the maximum collector-emitter voltage of the MMBT3904 transistor?
The maximum collector-emitter voltage (VCEO) is 40V.
- What is the maximum collector current of the MMBT3904 transistor?
The maximum collector current (IC) is 200mA.
- What is the package type of the MMBT3904 transistor?
The MMBT3904 is packaged in the SOT-23 format.
- Is the MMBT3904 transistor RoHS compliant?
Yes, the MMBT3904 is fully RoHS compliant and lead-free).
- What is the transition frequency of the MMBT3904 transistor?
The transition frequency (fT) is greater than 300 MHz).
- What are some common applications of the MMBT3904 transistor?
Common applications include drive modules, amplifier modules, and general switching circuits).
- What is the maximum junction temperature of the MMBT3904 transistor?
The maximum junction temperature (Tj) is 150°C).
- Does the MMBT3904 have a complementary PNP transistor?
Yes, the complementary PNP transistor is the MMBT3906).
- Is the MMBT3904 suitable for high-frequency applications?
Yes, due to its high transition frequency, it is suitable for high-frequency applications).
- What are the storage temperature ranges for the MMBT3904 transistor?
The storage temperature range is from -55°C to +150°C).
