Overview
The BC817-40W is a high-performance NPN bipolar junction transistor (BJT) manufactured by Diotec Semiconductor. This transistor is designed for general-purpose switching and amplification applications. It is packaged in a compact SOT323 (SC70) surface-mount device (SMD) plastic package, making it ideal for space-constrained designs. The BC817-40W is known for its reliability, efficiency, and robust performance, making it a popular choice across various industries including automotive, industrial, and consumer electronics.
Key Specifications
| Parameter | Value |
|---|---|
| Type | NPN Bipolar Junction Transistor |
| Package | SOT323 (SC70) |
| Collector-Emitter Voltage (VCEO) | 45 V |
| Collector Current (IC) | 500 mA |
| Power Dissipation (Ptot) | 200 mW |
| Current Gain (hFE) | 250 - 600 |
| Junction Temperature (TJ) | 150°C |
| Frequency (fT) | 100 MHz |
| Mounting | Surface Mount |
| RoHS / REACH Compliance | Yes |
Key Features
- Compact Package: The SOT323 (SC70) package makes it suitable for applications where space is limited.
- High Current Capability: Supports up to 500 mA collector current.
- High Voltage Handling: Can handle up to 45 V collector-emitter voltage.
- Wide Current Gain Range: Offers a current gain (hFE) range of 250 to 600, providing flexibility in design.
- High Frequency Operation: Capable of operating at frequencies up to 100 MHz.
- RoHS and REACH Compliance: Ensures environmental sustainability and regulatory compliance.
Applications
- General-Purpose Switching and Amplification: Suitable for a wide range of switching and amplification applications.
- Automotive Electronics: Used in various automotive systems due to its reliability and robust performance.
- Industrial Control Systems: Employed in industrial control and automation systems.
- Consumer Electronics: Found in consumer devices such as audio equipment, power supplies, and other electronic gadgets.
- LED Driver Circuits: Often used in dimmable LED driver circuits and other lighting applications.
Q & A
- What is the collector-emitter voltage (VCEO) of the BC817-40W transistor?
The collector-emitter voltage (VCEO) of the BC817-40W transistor is 45 V.
- What is the maximum collector current (IC) of the BC817-40W transistor?
The maximum collector current (IC) of the BC817-40W transistor is 500 mA.
- What is the package type of the BC817-40W transistor?
The BC817-40W transistor is packaged in a SOT323 (SC70) surface-mount device (SMD) plastic package.
- What is the current gain (hFE) range of the BC817-40W transistor?
The current gain (hFE) range of the BC817-40W transistor is 250 to 600.
- Is the BC817-40W transistor RoHS and REACH compliant?
Yes, the BC817-40W transistor is RoHS and REACH compliant.
- What is the maximum junction temperature (TJ) of the BC817-40W transistor?
The maximum junction temperature (TJ) of the BC817-40W transistor is 150°C.
- What is the typical application of the BC817-40W transistor?
The BC817-40W transistor is typically used for general-purpose switching and amplification applications.
- Can the BC817-40W transistor be used in automotive applications?
Yes, the BC817-40W transistor can be used in automotive applications due to its reliability and robust performance.
- What is the frequency range of the BC817-40W transistor?
The BC817-40W transistor can operate at frequencies up to 100 MHz.
- How is the BC817-40W transistor mounted?
The BC817-40W transistor is surface-mounted.
