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BPW77NB
Product Overview
Category: Photodiode
Use: Light sensing and detection
Characteristics: High sensitivity, fast response time
Package: TO-5 metal can
Essence: Reliable light sensing component
Packaging/Quantity: Individual units
Specifications
- Spectral Range: 400nm to 1100nm
- Responsivity: 0.45A/W at 900nm
- Dark Current: 2nA at 10V
- Rise Time: 15ns
- Operating Temperature: -40°C to +85°C
Detailed Pin Configuration
The BPW77NB photodiode has a standard pinout with the anode connected to pin 1 and the cathode to pin 2.
Functional Features
- High sensitivity to light in the visible and near-infrared spectrum
- Fast response time allows for quick detection of light changes
- Low dark current ensures accurate light sensing even in low-light conditions
Advantages and Disadvantages
Advantages: - High sensitivity across a wide spectral range - Fast response time - Low dark current
Disadvantages: - Limited to specific spectral range - Susceptible to damage from excessive light exposure
Working Principles
The BPW77NB operates based on the principle of the internal photoelectric effect. When photons strike the diode, electron-hole pairs are generated, creating a photocurrent proportional to the incident light intensity.
Detailed Application Field Plans
The BPW77NB is ideal for use in various applications including: - Ambient light sensing in electronic devices - Industrial automation for light detection and control - Medical instruments for non-invasive light sensing
Detailed and Complete Alternative Models
- BPW34: Similar spectral range and characteristics
- BPW21R: Higher responsivity at longer wavelengths
- BPW85B: Lower dark current for improved low-light performance
In conclusion, the BPW77NB photodiode offers high sensitivity and fast response time, making it suitable for a wide range of light sensing applications. Its reliable performance and availability of alternative models make it a versatile choice for engineers and designers.
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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací BPW77NB v technických řešeních
What is BPW77NB?
- BPW77NB is a silicon PIN photodiode with high sensitivity for visible and near infrared radiation.
What are the typical applications of BPW77NB?
- BPW77NB is commonly used in light barriers, encoders, and ambient light sensors.
What is the spectral range of BPW77NB?
- The spectral range of BPW77NB is approximately 350 nm to 1100 nm.
What is the responsivity of BPW77NB?
- The responsivity of BPW77NB is typically around 0.55 A/W at 880 nm.
What is the dark current of BPW77NB?
- The dark current of BPW77NB is typically very low, around 1 nA at 10 V reverse bias.
What is the operating temperature range of BPW77NB?
- BPW77NB can typically operate within a temperature range of -40°C to 100°C.
Is BPW77NB sensitive to mechanical stress?
- Yes, BPW77NB can be sensitive to mechanical stress, so proper handling and mounting are important.
Can BPW77NB be used in automotive applications?
- Yes, BPW77NB is suitable for automotive applications such as rain sensors and twilight switches.
Does BPW77NB require any external filters?
- BPW77NB does not require external filters due to its spectral sensitivity.
What are the recommended storage conditions for BPW77NB?
- It is recommended to store BPW77NB in a dark and dry environment at temperatures between -40°C and 100°C.