Overview
The BC817-40LT3 is a general-purpose NPN bipolar transistor manufactured by onsemi. It is designed for use in both linear and switching applications, making it versatile for a wide range of electronic circuits. The transistor is housed in the SOT-23 package, which is ideal for lower power surface mount applications. This device is Pb-Free, Halogen Free/BFR Free, and fully RoHS compliant, ensuring environmental sustainability and compliance with regulatory standards.
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 | mAdc |
| DC Current Gain (hFE) | hFE | 250 - 600 | - |
| Collector-Emitter Saturation Voltage | VCE(sat) | 0.7 V | V |
| Base-Emitter On Voltage | VBE(on) | 1.2 V | V |
| Power Dissipation | PD | 310 mW | mW |
| Thermal Resistance, Junction to Ambient | RθJA | 403 °C/W | °C/W |
| Operating and Storage Temperature Range | TJ, TSTG | -65 to +150 °C | °C |
Key Features
- Ideally suited for automatic insertion and surface mount applications.
- Epitaxial planar die construction for improved performance.
- Complementary PNP types available (BC807).
- Totally lead-free and fully RoHS compliant.
- Halogen and antimony free, making it a 'green' device.
- Qualified to AEC-Q101 standards for high reliability in automotive applications.
- Pb-Free package and solderable leads.
- UL flammability classification rating 94V-0.
Applications
- Linear and switching applications.
- Steering logic and switching circuits.
- Automotive control units.
- Consumer electronics.
- Audio frequency (AF) amplifier applications.
Q & A
- What is the collector-emitter voltage rating of the BC817-40LT3?
The collector-emitter voltage rating is 45 V.
- What is the maximum collector current for the BC817-40LT3?
The maximum collector current is 500 mA.
- Is the BC817-40LT3 RoHS compliant?
Yes, the BC817-40LT3 is fully RoHS compliant.
- What is the typical DC current gain (hFE) of the BC817-40LT3?
The typical DC current gain (hFE) ranges from 250 to 600.
- What is the collector-emitter saturation voltage of the BC817-40LT3?
The collector-emitter saturation voltage is 0.7 V.
- What is the operating temperature range of the BC817-40LT3?
The operating and storage temperature range is -65 to +150 °C.
- Is the BC817-40LT3 suitable for automotive applications?
Yes, it is qualified to AEC-Q101 standards for high reliability in automotive applications.
- What is the package type of the BC817-40LT3?
The package type is SOT-23.
- What is the thermal resistance, junction to ambient, of the BC817-40LT3?
The thermal resistance, junction to ambient, is 403 °C/W.
- Is the BC817-40LT3 lead-free and halogen-free?
Yes, it is totally lead-free and halogen-free.
