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BPW85B Photodiode
Product Overview
The BPW85B photodiode belongs to the category of light-sensitive semiconductor devices. It is commonly used for light detection and measurement in various electronic applications. The photodiode possesses unique characteristics, comes in a specific package, and plays an essential role in converting light energy into electrical signals.
Basic Information
- Category: Photodiode
- Use: Light detection and measurement
- Characteristics: High sensitivity, fast response time, low dark current
- Package: TO-18 metal can
- Essence: Converts light energy into electrical signals
- Packaging/Quantity: Typically available in reels or trays
Specifications
- Wavelength Range: 400 nm to 1100 nm
- Active Area Diameter: 7.5 mm
- Dark Current (at 10 V reverse voltage): 2 nA
- Rise Time: 50 ns
- Capacitance (at 10 V reverse voltage): 25 pF
Detailed Pin Configuration
The BPW85B photodiode has three pins: 1. Anode (A) 2. Cathode (K) 3. Case (C)
Functional Features
- High sensitivity to light in the visible and near-infrared spectrum
- Fast response time enables quick detection of light changes
- Low dark current minimizes noise in low-light conditions
Advantages and Disadvantages
Advantages
- High sensitivity across a broad wavelength range
- Fast response time for real-time light detection
- Low dark current reduces noise in low-light environments
Disadvantages
- Susceptible to damage from excessive light exposure
- Limited spectral range compared to some alternative models
Working Principles
When exposed to light, the BPW85B photodiode generates electron-hole pairs, creating a photocurrent proportional to the incident light intensity. This photocurrent can be utilized as an electrical signal for various applications.
Detailed Application Field Plans
The BPW85B photodiode finds extensive use in: - Ambient light sensing in electronic devices - Industrial light measurement and control systems - Optical communication systems for signal detection
Detailed and Complete Alternative Models
Some alternative photodiode models with similar characteristics include: - BPW34 - BPW21 - SFH203P
In conclusion, the BPW85B photodiode offers high sensitivity, fast response time, and low dark current, making it suitable for diverse light detection applications across different industries.
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Maglista ng 10 karaniwang tanong at sagot na nauugnay sa aplikasyon ng BPW85B sa mga teknikal na solusyon
Sure, here are 10 common questions and answers related to the application of BPW85B in technical solutions:
What is BPW85B?
- BPW85B is a silicon photodiode that is sensitive to visible and near-infrared radiation.
What are the typical applications of BPW85B?
- BPW85B is commonly used in light barriers, encoders, and ambient light sensors.
What is the spectral range of BPW85B?
- The spectral range of BPW85B is approximately 350nm to 1100nm.
What is the responsivity of BPW85B?
- The responsivity of BPW85B is typically around 0.55 A/W at 880nm.
How does BPW85B perform in low-light conditions?
- BPW85B has good performance in low-light conditions due to its sensitivity to near-infrared radiation.
Can BPW85B be used in automotive applications?
- Yes, BPW85B can be used in automotive applications such as rain sensors and twilight switches.
What is the package type of BPW85B?
- BPW85B is typically available in a clear epoxy package with a daylight blocking filter.
What is the operating temperature range of BPW85B?
- The operating temperature range of BPW85B is usually from -40°C to 100°C.
Is BPW85B suitable for use in industrial automation?
- Yes, BPW85B is suitable for use in industrial automation for tasks such as object detection and position sensing.
Are there any special considerations for circuit design when using BPW85B?
- It's important to consider the bias voltage and load resistance when designing circuits for BPW85B to ensure optimal performance.
I hope these questions and answers are helpful! Let me know if you need further assistance.