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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