Overview
The MMBT2484 is a low noise NPN silicon transistor produced by Fairchild Semiconductor, now part of onsemi. This transistor is designed for general-purpose amplification and switching applications. It is known for its high current gain, low noise characteristics, and robust thermal performance. The MMBT2484 is available in the SOT-23 (TO-236) package, making it suitable for a wide range of electronic circuits where space is a concern.
Key Specifications
| Characteristic | Symbol | Value | Unit |
|---|---|---|---|
| Collector-Emitter Voltage | VCEO | 60 | Vdc |
| Collector-Base Voltage | VCBO | 60 | Vdc |
| Emitter-Base Voltage | VEBO | 6.0 | Vdc |
| Collector Current - Continuous | IC | 100 | mAdc |
| Thermal Resistance, Junction-to-Ambient | RθJA | 417 | °C/W |
| Junction and Storage Temperature | TJ, Tstg | -55 to +150 | °C |
| DC Current Gain (IC = 1.0 mAdc, VCE = 5.0 Vdc) | hFE | 100 to 300 | - |
Key Features
- Pb-Free, Halogen Free/BFR Free, and RoHS Compliant
- Low noise characteristics, making it suitable for high-sensitivity applications
- High DC current gain (hFE) of 100 to 300
- High collector-emitter voltage (VCEO) of 60 Vdc
- Compact SOT-23 (TO-236) package for space-saving designs
- Wide operating temperature range from -55°C to +150°C
Applications
- General-purpose amplification and switching circuits
- Low noise amplifiers in audio and communication systems
- Automotive and industrial control systems where reliability and thermal performance are critical
- Consumer electronics requiring compact and efficient transistor solutions
Q & A
- What is the maximum collector-emitter voltage of the MMBT2484?
The maximum collector-emitter voltage (VCEO) of the MMBT2484 is 60 Vdc.
- What is the package type of the MMBT2484?
The MMBT2484 is available in the SOT-23 (TO-236) package.
- What are the thermal characteristics of the MMBT2484?
The thermal resistance, junction-to-ambient (RθJA), is 417 °C/W, and the total device dissipation on an FR-5 board is 225 mW at 25°C, derating above 25°C.
- Is the MMBT2484 RoHS compliant?
Yes, the MMBT2484 is Pb-Free, Halogen Free/BFR Free, and RoHS compliant.
- What is the operating temperature range of the MMBT2484?
The junction and storage temperature range is from -55°C to +150°C.
- What are the typical applications of the MMBT2484?
The MMBT2484 is used in general-purpose amplification, low noise amplifiers, automotive and industrial control systems, and consumer electronics.
- What is the DC current gain of the MMBT2484?
The DC current gain (hFE) of the MMBT2484 is between 100 to 300 at IC = 1.0 mAdc and VCE = 5.0 Vdc.
- How does the MMBT2484 perform in terms of noise characteristics?
The MMBT2484 has low noise characteristics, making it suitable for high-sensitivity applications.
- What is the maximum collector current of the MMBT2484?
The maximum continuous collector current (IC) of the MMBT2484 is 100 mAdc.
- Is the MMBT2484 suitable for high-frequency applications?
The MMBT2484 has a current-gain — bandwidth product (fT) that makes it suitable for various frequency applications, though specific performance depends on the circuit design.
