Overview
The BC847CWH6778 is an NPN silicon bipolar junction transistor (BJT) manufactured by Infineon Technologies. This transistor is part of the BC847 series, known for its high current gain and low collector-emitter saturation voltage, making it suitable for a variety of applications, particularly in audio frequency (AF) input stages and driver circuits.
Key Specifications
| Parameter | Symbol | Value | Unit |
|---|---|---|---|
| Collector-Emitter Voltage | VCEO | 45 | V |
| Collector-Base Voltage | VCBO | 50 | V |
| Emitter-Base Voltage | VEBO | 6 | V |
| Collector Current | IC | 100 mA | mA |
| Peak Collector Current (tp ≤ 10 ms) | ICM | 200 mA | mA |
| Total Power Dissipation | Ptot | 250 mW | mW |
| Junction Temperature | Tj | -65 to 150 °C | °C |
| Transition Frequency | fT | 250 MHz | MHz |
| DC Current Gain (hFE) at IC = 2 mA, VCE = 5 V | hFE | 420 | |
| Collector-Emitter Saturation Voltage | VCE(sat) | 0.25 V | V |
| Base-Emitter Saturation Voltage | VBE(sat) | 0.7 V | V |
Key Features
- High current gain, making it suitable for amplification and switching applications.
- Low collector-emitter saturation voltage, which reduces power losses and improves efficiency.
- Low noise characteristics between 30 Hz and 15 kHz, ideal for audio frequency applications.
- Pb-free (RoHS compliant) package, ensuring environmental compliance.
- Qualified according to AEC Q101, suitable for automotive applications.
- Complementary types available (BC857...-BC860... for PNP transistors).
Applications
The BC847CWH6778 transistor is primarily used in:
- Audio frequency (AF) input stages due to its low noise characteristics.
- Driver applications where high current gain and low saturation voltage are required.
- Automotive electronics, given its AEC Q101 qualification.
- General-purpose amplification and switching circuits.
Q & A
- What is the collector-emitter voltage rating of the BC847CWH6778 transistor?
The collector-emitter voltage rating is 45 V.
- What is the maximum collector current for the BC847CWH6778 transistor?
The maximum collector current is 100 mA.
- What is the transition frequency of the BC847CWH6778 transistor?
The transition frequency is 250 MHz.
- Is the BC847CWH6778 transistor RoHS compliant?
- What are the typical applications of the BC847CWH6778 transistor?
The transistor is typically used in AF input stages, driver applications, and general-purpose amplification and switching circuits.
- What is the DC current gain (hFE) of the BC847CWH6778 transistor at IC = 2 mA, VCE = 5 V?
The DC current gain (hFE) is 420.
- What is the collector-emitter saturation voltage of the BC847CWH6778 transistor?
The collector-emitter saturation voltage is 0.25 V.
- Is the BC847CWH6778 transistor qualified for automotive use?
- What is the junction temperature range for the BC847CWH6778 transistor?
The junction temperature range is -65 to 150 °C.
- What is the total power dissipation of the BC847CWH6778 transistor?
The total power dissipation is 250 mW.
