Overview
The BC817-40 is a 45 V, 500 mA NPN general-purpose transistor produced by Nexperia (previously part of NXP). It is housed in a small SOT23 (TO-236AB) Surface-Mounted Device (SMD) plastic package. This transistor is designed for general-purpose switching and amplification applications, making it versatile for various electronic designs.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Package | SOT23 | - |
| Collector-Emitter Voltage (VCEO) | 45 | V |
| Collector-Base Voltage (VCBO) | 50 | V |
| Emitter-Base Voltage (VEBO) | 5 | V |
| Collector Current (IC) | 500 | mA |
| Power Dissipation (PD) | 250 | mW |
| Thermal Resistance, Junction to Ambient (RθJA) | 403 | °C/W |
| DC Current Gain (hFE) | 250 - 600 | - |
| Collector-Emitter Saturation Voltage (VCE(SAT)) | 0.7 | V |
| Operating Temperature Range | -65 to +150 | °C |
Key Features
- Ideally suited for automatic insertion.
- Epitaxial planar die construction.
- Complementary PNP types available (BC807).
- Totally lead-free and fully RoHS compliant.
- Halogen and antimony free, 'Green' device.
- Qualified to AEC-Q101 standards for high reliability.
- Automotive-compliant parts available under separate datasheet.
Applications
The BC817-40 is suitable for a wide range of applications, including:
- General-purpose switching and amplification.
- Automotive and industrial electronics.
- Consumer and mobile devices.
- Power and computing systems.
Q & A
- What is the maximum collector-emitter voltage of the BC817-40?
The maximum collector-emitter voltage (VCEO) is 45 V.
- What is the package type of the BC817-40?
The BC817-40 is housed in a SOT23 (TO-236AB) package.
- What is the maximum collector current of the BC817-40?
The maximum collector current (IC) is 500 mA.
- Is the BC817-40 RoHS compliant?
Yes, the BC817-40 is totally lead-free and fully RoHS compliant.
- What are the operating temperature ranges for the BC817-40?
The operating temperature range is -65 to +150 °C.
- What is the DC current gain range of the BC817-40?
The DC current gain (hFE) ranges from 250 to 600.
- Is the BC817-40 qualified for automotive applications?
Yes, it is qualified to AEC-Q101 standards for high reliability and automotive-compliant parts are available under a separate datasheet.
- What is the collector-emitter saturation voltage of the BC817-40?
The collector-emitter saturation voltage (VCE(SAT)) is 0.7 V.
- What is the thermal resistance, junction to ambient, of the BC817-40?
The thermal resistance, junction to ambient (RθJA), is 403 °C/W.
- Does the BC817-40 have a complementary PNP type?
Yes, the complementary PNP type is the BC807.
