Overview
The BC817-40 is an NPN general-purpose transistor produced by Nexperia, although it is often associated with other manufacturers like Infineon due to the broad use of this component across various brands. This transistor is known for its high collector current, high current gain, and low collector-emitter saturation voltage, making it suitable for a wide range of applications.
Key Specifications
| Type Number | Package | VCEO [max] (V) | IC [max] (mA) | hFE [min] | hFE [max] | TJ [max] (°C) |
|---|---|---|---|---|---|---|
| BC817-40 | SOT23 | 45.0 | 500.0 | 250.0 | 600.0 | 150 |
Key Features
- High collector current
- High current gain
- Low collector-emitter saturation voltage
- Pb-free (RoHS compliant) package
- Qualified according to AEC Q103
Applications
The BC817-40 is used in various general-purpose switching and amplification applications. It is particularly suitable for:
- General AF (Audio Frequency) applications
- Automotive and industrial applications
- Power, computing, consumer, mobile, and wearable devices
Q & A
- What is the maximum collector-emitter voltage (VCEO) of the BC817-40?
The maximum collector-emitter voltage (VCEO) is 45 V. - What is the maximum collector current (IC) of the BC817-40?
The maximum collector current (IC) is 500 mA. - What is the package type of the BC817-40?
The package type is SOT23 (TO-236AB). - Is the BC817-40 RoHS compliant?
Yes, the BC817-40 is Pb-free and RoHS compliant. - What are the typical applications of the BC817-40?
The BC817-40 is used in general-purpose switching and amplification, including AF applications, automotive, industrial, power, computing, and consumer devices. - What is the minimum and maximum current gain (hFE) of the BC817-40?
The minimum current gain (hFE) is 250, and the maximum is 600. - What is the maximum junction temperature (TJ) of the BC817-40?
The maximum junction temperature (TJ) is 150°C. - Is the BC817-40 qualified according to any automotive standards?
Yes, it is qualified according to AEC Q103. - Where can I find more detailed specifications and datasheets for the BC817-40?
You can find detailed specifications and datasheets on the Nexperia or Infineon websites, as well as through distributors like Digi-Key, Mouser, and Arrow Electronics. - How do I order samples of the BC817-40?
You can order samples through the Nexperia sales organization or through their network of global and regional distributors.
