Overview
The BC817-40HE3-TP is a general-purpose NPN bipolar transistor produced by Micro Commercial Components. It is part of the BC817 series, known for its high current and versatile applications. This transistor is housed in a SOT-23 (SC-59, TO-236) surface-mount package, making it suitable for a wide range of electronic circuits. The BC817-40HE3-TP is designed for general-purpose switching and amplification, offering high reliability and performance in various operating conditions.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Polarity | NPN | |
| Type | Small Signal | |
| Collector-Emitter Voltage (VCE) | 45 | V |
| Collector Current (IC) | 500 | mA |
| Power Dissipation | 300 | mW |
| Collector-Base Voltage (VCB) | 50 | V |
| Emitter-Base Voltage (VBE) | 5 | V |
| DC Current Gain (hFE) | 250-600 | |
| Transition Frequency | 100 | MHz |
| Operating Temperature Range | -55°C to +150°C | |
| Package Style | SOT-23 (SC-59, TO-236) | |
| Mounting Method | Surface Mount |
Key Features
- High current capability with a maximum collector current of 500 mA.
- High collector-emitter voltage of 45 V and collector-base voltage of 50 V.
- Three current gain selections: BC817-16, BC817-25, and BC817-40.
- High frequency operation with a transition frequency of 100 MHz.
- Low collector-emitter saturation voltage of 0.7 V.
- Halogen-free and lead-free finish, RoHS compliant.
- Moisture sensitivity level 1.
- Epoxy meets UL 94 V-0 flammability rating.
Applications
- General-purpose switching and amplification.
- LED dimmers or flashers.
- Switching applications.
- Preamplifier for power amplifiers.
- High frequency switching.
- Modulator and demodulator for RF frequencies.
Q & A
- What is the maximum collector current of the BC817-40HE3-TP transistor?
The maximum collector current is 500 mA.
- What is the collector-emitter voltage rating of the BC817-40HE3-TP?
The collector-emitter voltage rating is 45 V.
- What is the transition frequency of the BC817-40HE3-TP transistor?
The transition frequency is 100 MHz.
- What is the operating temperature range of the BC817-40HE3-TP?
The operating temperature range is -55°C to +150°C.
- Is the BC817-40HE3-TP RoHS compliant?
- What is the package style of the BC817-40HE3-TP transistor?
The package style is SOT-23 (SC-59, TO-236).
- What are the typical applications of the BC817-40HE3-TP transistor?
Typical applications include general-purpose switching, amplification, LED dimmers, and high frequency switching.
- What is the DC current gain range of the BC817-40HE3-TP transistor?
The DC current gain range is 250-600.
- Is the BC817-40HE3-TP suitable for high-frequency applications?
- What is the power dissipation of the BC817-40HE3-TP transistor?
The power dissipation is 300 mW.
