Overview
The BC817K-25HR is a general-purpose NPN bipolar transistor manufactured by Nexperia USA Inc. It is part of the BC817K series, known for its high reliability and versatility in various electronic applications. This transistor is packaged in a small SOT23 (TO-236AB) Surface-Mounted Device (SMD) plastic package, making it suitable for space-constrained designs. The BC817K-25HR is AEC-Q101 qualified, ensuring its suitability for automotive and other high-reliability applications.
Key Specifications
| Type number | Package | Size (mm) | Channel type | Ptot (mW) | VCEO [max] (V) | IC [max] (mA) | hFE [min] | hFE [max] | TJ [max] (°C) | fT [min] (MHz) | Automotive qualified |
|---|---|---|---|---|---|---|---|---|---|---|---|
| BC817K-25HR | SOT23 | 2.9 x 1.3 x 1 | NPN | 425 | 45 | 500 | 160 | 400 | 175 | 100 | Yes |
Key Features
- High Power Dissipation Capability: The BC817K-25HR can handle high power dissipation, making it suitable for demanding applications.
- High-Temperature Applications: It can operate up to a maximum junction temperature of 175 °C, ensuring reliability in high-temperature environments.
- Three Current Gain Selections: The BC817K series offers different current gain options (hFE), providing flexibility in design choices.
- AEC-Q101 Qualified: This transistor meets the stringent requirements of the automotive industry, ensuring high reliability and performance.
- Small SOT23 Package: The compact SOT23 package makes it ideal for space-constrained designs.
Applications
The BC817K-25HR is versatile and can be used in a wide range of applications, including:
- Automotive Systems: Due to its AEC-Q101 qualification, it is suitable for use in automotive electronics such as engine control units, lighting systems, and other vehicle electronics.
- Industrial Control Systems: It can be used in industrial automation, motor control, and power management systems.
- Consumer Electronics: The transistor is applicable in various consumer electronics such as smartphones, televisions, and computers.
- Medical Devices: Its reliability and performance make it a good choice for medical device applications.
Q & A
- What is the maximum collector current of the BC817K-25HR?
The maximum collector current (IC) of the BC817K-25HR is 500 mA.
- What is the maximum collector-emitter voltage (VCEO) of the BC817K-25HR?
The maximum collector-emitter voltage (VCEO) is 45 V.
- What is the package type of the BC817K-25HR?
The BC817K-25HR is packaged in a SOT23 (TO-236AB) Surface-Mounted Device (SMD) plastic package.
- Is the BC817K-25HR AEC-Q101 qualified?
Yes, the BC817K-25HR is AEC-Q101 qualified, making it suitable for automotive applications.
- What is the maximum junction temperature (TJ) of the BC817K-25HR?
The maximum junction temperature (TJ) is 175 °C.
- What are the current gain (hFE) ranges for the BC817K-25HR?
The current gain (hFE) ranges from 160 to 400.
- Is the BC817K-25HR RoHS compliant?
Yes, the BC817K-25HR is RoHS compliant.
- What are some common applications of the BC817K-25HR?
Common applications include automotive systems, industrial control systems, consumer electronics, and medical devices.
- What is the power dissipation capability of the BC817K-25HR?
The total power dissipation (Ptot) is 425 mW.
- What is the minimum transition frequency (fT) of the BC817K-25HR?
The minimum transition frequency (fT) is 100 MHz.
