The BC817-25-7 is a high-quality NPN bipolar junction transistor (BJT) from Diodes Incorporated, a leading manufacturer in the semiconductor industry. This transistor is designed for general-purpose switching and amplification applications, making it a versatile component suitable for a wide range of electronic circuits.

Key Features:

• Transistor Type: NPN - This indicates that the transistor is designed for the flow of electrons as the majority charge carriers, making it suitable for negative ground configurations.
• Current - Collector (Ic) (Max): 500mA - The BC817-25-7 can handle a collector current up to 500 milliamperes, which is sufficient for many low to medium power applications.
• Voltage - Collector Emitter Breakdown (Max): 45V - With a collector-emitter breakdown voltage of 45 volts, it can be used in circuits that operate at moderate voltage levels.
• DC Current Gain (hFE) (Min) @ Ic, Vce: 160 @ 100mA, 1V - The transistor has a minimum DC current gain of 160 at 100mA and 1V, indicating its efficiency in amplifying the input signal.
• Power - Max: 500mW - It can dissipate power up to 500 milliwatts, suitable for a variety of general-purpose applications without the need for excessive heat sinking.
• Frequency - Transition: 100MHz - This transistor has a transition frequency of 100MHz, allowing it to be used in applications that require fast switching.
• Operating Temperature: -55°C to +150°C - The device can operate over a wide temperature range, ensuring reliability in various environmental conditions.
• Mounting Type: Surface Mount - The BC817-25-7 comes in a surface mount package, making it ideal for modern printed circuit board designs.
• Package / Case: SOT-23-3 - This small and compact package allows for efficient use of PCB space.

The BC817-25-7 transistor from Diodes Incorporated is an excellent choice for designers and engineers looking for a reliable and efficient NPN BJT for their electronic projects. Its robust design and electrical characteristics make it a go-to component for a variety of applications.