Overview
The BC817-40 is a bipolar junction transistor (BJT) produced by Diotec Semiconductor. It is designed for control and signal processing applications. This NPN transistor is packaged in an SOT-23 case, making it suitable for surface mount technology (SMD) assembly. The BC817-40 is qualified for industrial use and is compliant with RoHS and REACH regulations, ensuring environmental sustainability and safety.
Key Specifications
| Parameter | Value |
|---|---|
| Type of Transistor | NPN |
| Polarisation | Bipolar |
| Collector-Emitter Voltage (VCEO) | 45 V |
| Collector Current (IC) | 0.8 A |
| Power Dissipation (Pd) | 0.31 W |
| Case | SOT-23 |
| Current Gain (hFE) | 250...630 |
| Mounting | SMD |
| Frequency | 100 MHz |
| Operating Temperature | -55°C to 150°C |
Key Features
- High Collector Current: The BC817-40 can handle up to 0.8 A, making it suitable for applications requiring moderate to high current levels.
- High Collector-Emitter Voltage: With a VCEO of 45 V, this transistor can handle a wide range of voltage requirements.
- Compact Package: The SOT-23 package is ideal for space-constrained designs and surface mount assembly.
- High Current Gain: The current gain (hFE) ranges from 250 to 630, providing reliable amplification in various circuits.
- Environmental Compliance: The transistor is RoHS and REACH compliant, ensuring it meets environmental and safety standards.
Applications
- General Purpose Amplification: Suitable for a wide range of amplification tasks in electronic circuits.
- Switching Circuits: Can be used in switching applications due to its high collector current and voltage ratings.
- LED Drivers: Often used in LED driver circuits to control and regulate LED lighting systems.
- Automotive Electronics: The AEC-Q101 qualified version (BC817-40-AQ) is specifically designed for automotive applications, ensuring reliability in harsh environments.
- Industrial Control Systems: Used in various industrial control systems for signal processing and control functions.
Q & A
- What is the collector-emitter voltage (VCEO) of the BC817-40 transistor?
The collector-emitter voltage (VCEO) of the BC817-40 transistor is 45 V. - What is the maximum collector current (IC) of the BC817-40 transistor?
The maximum collector current (IC) of the BC817-40 transistor is 0.8 A. - What is the power dissipation (Pd) of the BC817-40 transistor?
The power dissipation (Pd) of the BC817-40 transistor is 0.31 W. - What is the package type of the BC817-40 transistor?
The package type of the BC817-40 transistor is SOT-23. - Is the BC817-40 transistor RoHS and REACH compliant?
Yes, the BC817-40 transistor is RoHS and REACH compliant. - What is the operating temperature range of the BC817-40 transistor?
The operating temperature range of the BC817-40 transistor is -55°C to 150°C. - What are some common applications of the BC817-40 transistor?
The BC817-40 transistor is commonly used in general purpose amplification, switching circuits, LED drivers, automotive electronics, and industrial control systems. - Is there an AEC-Q101 qualified version of the BC817-40 transistor?
Yes, the BC817-40-AQ is the AEC-Q101 qualified version of the BC817-40 transistor, designed for automotive applications. - What is the current gain (hFE) range of the BC817-40 transistor?
The current gain (hFE) range of the BC817-40 transistor is 250 to 630. - What is the frequency rating of the BC817-40 transistor?
The frequency rating of the BC817-40 transistor is 100 MHz.
