BCR146 Overview
The BCR146 is a high-performance silicon phototransistor designed for efficient light detection in industrial and consumer electronics applications. Featuring a compact package and stable operation, it delivers reliable photoelectric conversion with low dark current and fast response time. This device is ideal for applications requiring precise optical sensing such as object detection, ambient light measurement, and position sensing. Its robust construction ensures long-term durability under varying environmental conditions. Engineers and sourcing specialists looking for a dependable phototransistor will find the BCR146 a practical choice for integration into optical systems. For detailed information, visit IC Manufacturer.
BCR146 Technical Specifications
| Parameter | Specification |
|---|---|
| Phototransistor Type | Silicon NPN |
| Collector-Emitter Voltage (VCEO) | 30 V Max |
| Collector Current (IC) | 50 mA Max |
| Spectral Response Range | 400 nm to 1100 nm |
| Peak Sensitivity Wavelength | 850 nm |
| Dark Current (ICEO) | ?? 100 nA at 10 V |
| Rise Time | Typical 15 ??s |
| Package | TO-18 Metal Can |
| Operating Temperature Range | -25??C to +85??C |
BCR146 Key Features
- High sensitivity: Enables accurate detection of low-intensity light signals, improving system responsiveness in optical sensing applications.
- Low dark current: Minimizes noise and false triggering, enhancing signal clarity and reliability in variable lighting environments.
- Fast response time: Supports quick switching and real-time detection, essential for precise position and speed sensing.
- Robust TO-18 package: Provides mechanical stability and thermal dissipation, ensuring long-term durability in industrial conditions.
Typical Applications
- Optical object detection systems in automation lines requiring precise and fast light signal recognition for quality control and sorting.
- Position sensing in rotary encoders and shaft sensors where accurate light-to-electrical conversion is critical for feedback loops.
- Ambient light measurement in display backlighting control and energy-saving lighting systems.
- Optical switches and safety devices, benefiting from the device??s sensitivity and fast response characteristics.
BCR146 Advantages vs Typical Alternatives
The BCR146 offers enhanced sensitivity and lower dark current compared to many standard phototransistors, contributing to higher accuracy in light detection and reduced signal noise. Its fast response time supports dynamic sensing applications, while the rugged TO-18 package ensures reliable operation in harsh industrial environments. These features collectively provide a competitive edge in integration flexibility, long-term reliability, and consistent performance over alternatives that may lack such balanced specifications.
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BCR146 Brand Info
The BCR146 is a widely recognized phototransistor model produced by multiple semiconductor manufacturers, including Philips (NXP Semiconductors). It belongs to a family of high-quality optical sensors known for their stability and precision in light detection. The device??s design reflects decades of semiconductor expertise, making it a go-to choice for engineers requiring dependable phototransistors for industrial and consumer electronic applications. Its proven track record ensures availability and support across global supply chains.
FAQ
What is the maximum collector current rating for the BCR146?
The maximum collector current for the BCR146 is specified as 50 mA. Operating the device within this limit ensures safe and reliable performance without risking damage to the phototransistor.
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How does the dark current affect phototransistor performance?
Dark current is the small leakage current flowing through the phototransistor in the absence of light. The BCR146 features a low dark current (?? 100 nA at 10 V), which reduces noise and false signals, improving detection accuracy in low-light or variable lighting conditions.
Can the BCR146 be used in high-temperature environments?
This phototransistor operates reliably within a temperature range of -25??C to +85??C. It is suitable for many industrial environments, although operation beyond this range may affect device performance and longevity.






