Overview
The BC859BW,115 is a PNP general-purpose bipolar transistor manufactured by Nexperia USA Inc. This transistor is part of the BC859W and BC860W series, known for their low noise and low VCEsat characteristics. The device is packaged in a compact SC-70 (SOT323) surface-mount package, making it suitable for a variety of applications where space is limited.
Key Specifications
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| hFE (DC current gain) | 220 | - | 475 | - |
| fT (transition frequency) | 100 | - | - | MHz |
| VCEO (collector-emitter voltage) | - | - | 30 | V |
| IC (collector current) | - | - | 100 | mA |
| ICM (peak collector current) | - | - | 200 | mA |
| Ptot (total power dissipation) | - | - | 200 | mW |
| Tj (junction temperature) | - | - | 150 | °C |
| Tamb (operating ambient temperature) | -65 | - | 150 | °C |
| Noise figure | - | - | 4 | dB |
Key Features
- Low current capability (max. 100 mA)
- Low voltage operation (max. 30 V for BC859W, max. 45 V for BC860W)
- Compact SC-70 (SOT323) surface-mount package
- Low noise figure, making it suitable for audio-frequency applications
- High transition frequency (fT) of 100 MHz
- Low VCEsat (collector-emitter saturation voltage)
Applications
- Low noise stages in tape recorders and hi-fi amplifiers
- Other audio-frequency equipment
- General-purpose switching and amplification in electronic circuits
- Automotive and industrial electronics where low noise and compact packaging are required
Q & A
- What is the package type of the BC859BW,115 transistor?
The BC859BW,115 transistor is packaged in a SC-70 (SOT323) surface-mount package.
- What is the maximum collector current of the BC859BW,115 transistor?
The maximum collector current (IC) is 100 mA.
- What is the maximum collector-emitter voltage (VCEO) for the BC859BW transistor?
The maximum collector-emitter voltage (VCEO) for the BC859BW transistor is 30 V.
- What are the typical applications of the BC859BW,115 transistor?
The BC859BW,115 transistor is typically used in low noise stages of tape recorders, hi-fi amplifiers, and other audio-frequency equipment.
- What is the transition frequency (fT) of the BC859BW,115 transistor?
The transition frequency (fT) of the BC859BW,115 transistor is 100 MHz.
- Is the BC859BW,115 transistor RoHS compliant?
- What is the noise figure of the BC859BW,115 transistor?
The noise figure of the BC859BW,115 transistor is up to 4 dB.
- What is the maximum junction temperature for the BC859BW,115 transistor?
The maximum junction temperature (Tj) for the BC859BW,115 transistor is 150°C.
- What are the NPN complements for the BC859BW transistor?
The NPN complements for the BC859BW transistor are BC849W and BC850W.
- How is the BC859BW,115 transistor marked?
The marking code for the BC859BW,115 transistor is '4B∗'.
