The MMBT4401T-7 from Diodes Incorporated is a high-performance, surface-mount NPN bipolar junction transistor (BJT) that offers excellent amplification and switching characteristics. This transistor is housed in a compact SOT-23 package, making it ideal for space-constrained applications where efficient use of PCB real estate is critical.

Key Features

• Transistor Type: NPN - This allows for efficient current amplification when used in common emitter configurations.
• Voltage - Collector Emitter Breakdown (Max): 40V - Ensures the transistor can handle moderate voltage applications without breakdown.
• Current - Collector (Ic) (Max): 600mA - Suitable for driving moderate loads with sufficient current handling capability.
• Power - Max: 350mW - The maximum power dissipation of the device, indicating its ability to handle power within the specified limits without overheating.
• DC Current Gain (hFE) (Min) @ Ic, Vce: 100 @ 10mA, 1V - Indicates a good level of current amplification factor for the device.
• Operating Temperature: -55°C ~ 150°C - A wide operating temperature range makes it suitable for various environmental conditions.
• Mounting Type: Surface Mount - The SOT-23 package allows for automated assembly processes, ideal for mass production.

Applications

The MMBT4401T-7 is versatile and can be used in a variety of electronic circuits. It is commonly used in:

• Switching applications
• Amplification circuits
• Signal processing
• Driver stages in audio amplifiers
• Power management solutions
• Portable and consumer electronics

Quality and Reliability

Diodes Incorporated is known for its commitment to quality and reliability. The MMBT4401T-7 is manufactured under strict quality control standards, ensuring that each component meets the company's high-quality benchmarks. This ensures that customers receive consistent and reliable performance from each transistor in their applications.

Environmental Compliance

The MMBT4401T-7 is also compliant with RoHS (Restriction of Hazardous Substances) and is lead-free, making it an environmentally friendly choice for manufacturers looking to create green products.