Overview
The BC817-40W is a 45 V, 500 mA NPN general-purpose transistor produced by Nexperia USA Inc. This transistor is housed in a very small SOT323 (SC70) Surface-Mounted Device (SMD) plastic package, making it ideal for compact and efficient electronic designs. It is part of Nexperia’s extensive portfolio of bipolar transistors, which are widely used across various industries including automotive, industrial, power, computing, consumer, mobile, and wearables.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Type Number | BC817-40W | - |
| Package | SOT323 (SC70) | - |
| VCEO [max] | 45 | V |
| IC [max] | 500 | mA |
| Ptot | 200 | mW |
| TJ [max] | 150 | °C |
| fT [min] | 100 | MHz |
| hFE [min] | 250 | - |
| hFE [max] | 600 | - |
| Operating Temperature | -65°C to 150°C | °C |
Key Features
- General-purpose switching and amplification capabilities.
- High current handling up to 500 mA.
- Three current gain selections available.
- Compact SOT323 (SC70) Surface-Mounted Device (SMD) package.
- Automotive qualified versions available (e.g., BC817-40W-Q).
- Wide operating temperature range from -65°C to 150°C.
Applications
The BC817-40W transistor is versatile and can be used in a variety of applications across different industries, including:
- Automotive systems for general-purpose switching and amplification.
- Industrial control systems and automation.
- Power management and computing devices.
- Consumer electronics and mobile devices.
- Wearable technology and IoT devices.
Q & A
- What is the maximum collector-emitter voltage (VCEO) of the BC817-40W transistor?
The maximum collector-emitter voltage (VCEO) is 45 V.
- What is the maximum collector current (IC) of the BC817-40W transistor?
The maximum collector current (IC) is 500 mA.
- What package type is the BC817-40W transistor available in?
The BC817-40W transistor is available in the SOT323 (SC70) Surface-Mounted Device (SMD) package.
- What is the operating temperature range of the BC817-40W transistor?
The operating temperature range is from -65°C to 150°C.
- Is the BC817-40W transistor automotive qualified?
Yes, there is an automotive qualified version available, denoted as BC817-40W-Q.
- What are the typical applications of the BC817-40W transistor?
The BC817-40W transistor is used in general-purpose switching and amplification in various industries including automotive, industrial, power management, and consumer electronics.
- What is the minimum DC current gain (hFE) of the BC817-40W transistor?
The minimum DC current gain (hFE) is 250.
- What is the maximum DC current gain (hFE) of the BC817-40W transistor?
The maximum DC current gain (hFE) is 600.
- What is the transition frequency (fT) of the BC817-40W transistor?
The transition frequency (fT) is a minimum of 100 MHz.
- How can I purchase the BC817-40W transistor?
You can purchase the BC817-40W transistor through Nexperia’s official distributors or directly from Nexperia if you have a direct account.
