Overview
The BC817-40-Q is an NPN general-purpose transistor manufactured by Nexperia USA Inc. This transistor is designed in a small SOT23 (TO-236AB) Surface-Mounted Device (SMD) plastic package, making it suitable for a wide range of applications where space is limited. It is qualified according to AEC-Q101, which recommends it for use in automotive applications. The BC817-40-Q is part of Nexperia’s extensive portfolio of bipolar transistors, which are used in various industries including automotive, industrial, power, computing, and consumer electronics.
Key Specifications
| Type number | Package version | Package name | Size (mm) | Channel type | P tot (mW) | V CEO [max] (V) | I C [max] (mA) | h FE [min] | h FE [max] | T J [max] (°C) | Automotive qualified |
|---|---|---|---|---|---|---|---|---|---|---|---|
| BC817-40-Q | SOT23 | SOT23 | 2.9 x 1.3 x 1 | NPN | 250.0 | 45.0 | 500.0 | 250.0 | 600.0 | 150 | Yes |
Key Features
- High current capability: Up to 500 mA.
- High voltage rating: Up to 45 V.
- Three current gain selections available.
- General-purpose switching and amplification.
- Automotive qualified according to AEC-Q101.
- Small SOT23 (TO-236AB) package for space-saving designs.
- PNP complement available (BC807-40-Q).
Applications
The BC817-40-Q transistor is versatile and can be used in a variety of applications across different industries. Some of the key applications include:
- Automotive systems: Due to its AEC-Q101 qualification, it is suitable for use in automotive electronics.
- Industrial control systems: For general-purpose switching and amplification.
- Consumer electronics: In devices such as audio amplifiers, power supplies, and other electronic circuits.
- Power management: In power supply circuits and voltage regulators.
- Computing and mobile devices: For various switching and amplification needs.
Q & A
- What is the maximum current rating of the BC817-40-Q transistor?
The maximum current rating is 500 mA. - What is the maximum voltage rating of the BC817-40-Q transistor?
The maximum voltage rating is 45 V. - What package type is the BC817-40-Q transistor available in?
The BC817-40-Q transistor is available in the SOT23 (TO-236AB) package. - Is the BC817-40-Q transistor automotive qualified?
Yes, it is qualified according to AEC-Q101. - What are the current gain selections available for the BC817-40-Q transistor?
There are three current gain selections available. - What is the PNP complement of the BC817-40-Q transistor?
The PNP complement is the BC807-40-Q. - What is the maximum junction temperature of the BC817-40-Q transistor?
The maximum junction temperature is 150°C. - Can the BC817-40-Q transistor be used in industrial control systems?
Yes, it can be used for general-purpose switching and amplification in industrial control systems. - How can I obtain samples of the BC817-40-Q transistor?
Samples can be ordered via Nexperia’s sales organization or through their network of global and regional distributors. - What is the size of the SOT23 package for the BC817-40-Q transistor?
The size of the SOT23 package is 2.9 x 1.3 x 1 mm.
