The SD112-42-11-221 is a silicon photodiode manufactured by Luna Optoelectronics. It's designed for high-sensitivity light detection in a variety of applications. Silicon photodiodes convert light into an electrical current, with the current being proportional to the intensity of the incident light.

Applications

• Medical Devices: Pulse oximetry, blood analysis, and other diagnostic equipment.
• Industrial Automation: Optical sensors for object detection, position sensing, and process control.
• Scientific Instruments: Spectrophotometry, photometry, and other light measurement applications.
• Security Systems: Intrusion detection, motion sensors, and light barriers.
• Consumer Electronics: Light meters in cameras, ambient light sensors in displays, and remote control receivers.

Features

• High Sensitivity: Provides a strong electrical signal for even low levels of light.
• Wide Spectral Response: Detects light across a broad range of wavelengths in the visible and near-infrared spectrum.
• Low Dark Current: Minimizes noise and improves the signal-to-noise ratio.
• Fast Response Time: Quickly responds to changes in light intensity.
• Compact Size: Allows for easy integration into a variety of devices.
• Reliable Performance: Provides stable and consistent performance over a wide range of operating conditions.

Benefits

• Accurate Light Measurement: High sensitivity and low dark current ensure accurate and reliable light measurement.
• Improved System Performance: Fast response time enables real-time monitoring and control.
• Easy Integration: Compact size and simple electrical characteristics simplify integration into existing systems.
• Enhanced Reliability: Stable performance ensures consistent and dependable operation.
• Versatile Applications: Wide spectral response allows for use in a variety of light detection applications.

Additional Details

The SD112-42-11-221 has a specific active area, which determines the amount of light it can collect. The responsivity of the photodiode, measured in amps per watt (A/W), indicates its efficiency in converting light into current. The dark current is the current that flows through the photodiode when no light is present. The shunt resistance and capacitance are also important parameters that affect the performance of the photodiode. The operating temperature range is typically between -40°C and +85°C. Refer to the Luna Optoelectronics datasheet for precise specifications and application notes.