Overview
The BC817-40 is a 45 V, 500 mA NPN general-purpose transistor manufactured by Nexperia. It is packaged in a small SOT23 (TO-236AB) Surface-Mounted Device (SMD) plastic package, making it suitable for a wide range of electronic applications. This transistor is part of Nexperia’s extensive portfolio of bipolar transistors, which are used in various industries including automotive, industrial, power, computing, consumer, mobile, and wearables.
Key Specifications
| Type number | Package | 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) |
|---|---|---|---|---|---|---|---|---|---|
| BC817-40 | SOT23 | 2.9 x 1.3 x 1 | NPN | 250.0 | 45.0 | 500.0 | 250.0 | 600.0 | 150 |
Key Features
- High current capability up to 500 mA.
- Three current gain selections available.
- General-purpose switching and amplification.
- Small SOT23 package for compact designs.
- PNP complement available (BC807-40).
Applications
The BC817-40 transistor is versatile and can be used in a variety of applications, including general-purpose switching, amplification, and as a driver in automotive, industrial, and consumer electronics. It is also suitable for use in power, computing, and mobile devices due to its high current capability and compact packaging.
Q & A
- What is the maximum collector-emitter voltage of the BC817-40 transistor?
The maximum collector-emitter voltage (V CEO) is 45 V. - What is the maximum collector current of the BC817-40 transistor?
The maximum collector current (I C) is 500 mA. - What is the package type of the BC817-40 transistor?
The BC817-40 is packaged in a SOT23 (TO-236AB) Surface-Mounted Device (SMD) plastic package. - What are the typical applications of the BC817-40 transistor?
General-purpose switching, amplification, automotive, industrial, and consumer electronics. - Is there a PNP complement available for the BC817-40 transistor?
Yes, the PNP complement is the BC807-40. - What is the maximum junction temperature of the BC817-40 transistor?
The maximum junction temperature (T J) is 150°C. - What is the minimum current gain (h FE) of the BC817-40 transistor?
The minimum current gain (h FE) is 250. - What is the maximum current gain (h FE) of the BC817-40 transistor?
The maximum current gain (h FE) is 600. - Can the BC817-40 transistor be used in high-current applications?
Yes, it can handle high currents up to 500 mA. - Is the BC817-40 transistor RoHS compliant?
Yes, the BC817-40 is RoHS compliant.
