Overview
The BC817-40NMMTF, produced by onsemi, is a general-purpose NPN transistor designed for a wide range of applications. It is housed in the SOT23 (TO-236AB) package, which is a small surface-mounted device (SMD) plastic package. This transistor is part of the BC817 series, known for its high current handling and versatility in both switching and amplification roles. The BC817-40NMMTF is AEC-Q101 qualified, making it suitable for automotive and other high-reliability applications. It is also Pb-free, halogen-free, and RoHS compliant, aligning with modern environmental standards.
Key Specifications
| Parameter | Symbol | Min | Typ | Max | Unit |
|---|---|---|---|---|---|
| Collector-Emitter Voltage | VCEO | - | - | 45 | V |
| Collector-Base Voltage | VCBO | - | - | 50 | V |
| Emitter-Base Voltage | VEBO | - | - | 5.0 | V |
| Collector Current | IC | - | - | 500 | mA |
| DC Current Gain (hFE) | hFE | 250 | 400 | 600 | - |
| Collector-Emitter Saturation Voltage | VCE(sat) | - | - | 0.7 | V |
| Base-Emitter On Voltage | VBE(on) | - | - | 1.2 | V |
| Thermal Resistance, Junction to Ambient | RθJA | - | - | 403 | °C/W |
Key Features
- Ideally suited for automatic insertion due to its SOT23 package.
- Epitaxial planar die construction for reliable performance.
- Complementary PNP types available (BC807 series).
- Totally lead-free and fully RoHS compliant, halogen and antimony free.
- Qualified to AEC-Q101 standards for high reliability, making it suitable for automotive applications.
- High current gain with three current gain selections available.
- Moisture sensitivity level 1 per J-STD-020.
- Molded plastic case with UL flammability classification rating 94V-0.
Applications
The BC817-40NMMTF is versatile and can be used in various applications, including:
- General-purpose switching and amplification.
- Automotive systems due to its AEC-Q101 qualification.
- Audio frequency (AF) amplifiers.
- Other high-reliability applications requiring robust and reliable transistor performance.
Q & A
- What is the maximum collector-emitter voltage of the BC817-40NMMTF?
The maximum collector-emitter voltage (VCEO) is 45 V.
- What is the typical DC current gain (hFE) of this transistor?
The typical DC current gain (hFE) is 400.
- What package type is the BC817-40NMMTF housed in?
The BC817-40NMMTF is housed in the SOT23 (TO-236AB) package.
- Is the BC817-40NMMTF RoHS compliant?
Yes, the BC817-40NMMTF is fully RoHS compliant, lead-free, and halogen-free.
- What are the operating and storage temperature ranges for this transistor?
The operating and storage temperature ranges are -65°C to +150°C.
- What is the thermal resistance from junction to ambient for this transistor?
The thermal resistance from junction to ambient (RθJA) is 403 °C/W.
- Is the BC817-40NMMTF suitable for automotive applications?
Yes, it is AEC-Q101 qualified, making it suitable for automotive and other high-reliability applications.
- What is the collector current rating of the BC817-40NMMTF?
The collector current rating is up to 500 mA.
- What are the complementary PNP types available for this transistor?
The complementary PNP types available are from the BC807 series.
- What is the moisture sensitivity level of the BC817-40NMMTF?
The moisture sensitivity level is 1 per J-STD-020.
