Overview
The onsemi BC817-40LT1G is a general-purpose NPN bipolar junction transistor (BJT) designed for use in both linear and switching applications. It is housed in the SOT-23 package, which is suitable for lower power surface mount applications. This transistor is Pb-free, halogen-free, and RoHS compliant, making it environmentally friendly. It is also AEC-Q101 qualified and PPAP capable, which is particularly beneficial for automotive and other applications requiring unique site and control change requirements.
Key Specifications
| Characteristic | Symbol | Value | Unit |
|---|---|---|---|
| Collector-Emitter Voltage | VCEO | 45 | V |
| Collector-Base Voltage | VCBO | 50 | V |
| Emitter-Base Voltage | VEBO | 5.0 | V |
| Collector Current - Continuous | IC | 500 | mA |
| Collector-Emitter Saturation Voltage | VCE(sat) | 0.7 | V |
| Base-Emitter On Voltage | VBE(on) | 1.2 | V |
| DC Current Gain | hFE | 250 - 600 | - |
| Current-Gain Bandwidth Product | fT | 100 | MHz |
| Package Type | - | SOT-23 (TO-236) | - |
Key Features
- Pb-free, halogen-free, and RoHS compliant, ensuring environmental sustainability.
- AEC-Q101 qualified and PPAP capable, making it suitable for automotive and other stringent applications.
- Low collector-emitter saturation voltage (VCE(sat) = 0.7 V) for efficient switching and linear operations.
- High DC current gain (hFE = 250 - 600) for reliable amplification and switching.
- Compact SOT-23 package for surface mount applications, ideal for space-constrained designs.
Applications
- Steering Logic: Used in various logic circuits for steering and control purposes.
- Switching: Suitable for high-frequency switching applications due to its low VCE(sat) and high current gain.
- Automotive Control Units: AEC-Q101 qualification makes it reliable for use in automotive systems.
- Consumer Electronics: Used in a wide range of consumer electronic devices requiring general-purpose transistors).
Q & A
- What is the collector-emitter voltage rating of the BC817-40LT1G transistor?
The collector-emitter voltage rating is 45 V).
- Is the BC817-40LT1G transistor RoHS compliant?
Yes, the BC817-40LT1G is Pb-free, halogen-free, and RoHS compliant).
- What is the typical DC current gain (hFE) of the BC817-40LT1G transistor?
The typical DC current gain (hFE) ranges from 250 to 600).
- What package type is the BC817-40LT1G transistor available in?
The transistor is available in the SOT-23 (TO-236) package).
- What are some common applications of the BC817-40LT1G transistor?
Common applications include steering logic, switching, automotive control units, and consumer electronics).
- Is the BC817-40LT1G transistor suitable for automotive applications?
Yes, it is AEC-Q101 qualified and PPAP capable, making it suitable for automotive applications).
- What is the collector-emitter saturation voltage (VCE(sat)) of the BC817-40LT1G transistor?
The collector-emitter saturation voltage (VCE(sat)) is 0.7 V).
- What is the base-emitter on voltage (VBE(on)) of the BC817-40LT1G transistor?
The base-emitter on voltage (VBE(on)) is 1.2 V).
- What is the current-gain bandwidth product (fT) of the BC817-40LT1G transistor?
The current-gain bandwidth product (fT) is 100 MHz).
- What is the maximum continuous collector current (IC) of the BC817-40LT1G transistor?
The maximum continuous collector current (IC) is 500 mA).
