The SFH 4053 from OSRAM Opto Semiconductors is a silicon NPN phototransistor designed for detecting infrared radiation. It features high sensitivity and is suitable for a variety of applications where reliable IR detection is required.

Applications:

• Optical sensors
• Light barriers
• Position sensors
• Remote control receivers
• Object detection

Features:

• High sensitivity to infrared radiation
• Fast switching speed
• Wavelength range optimized for IR emitters (typically 850nm to 950nm)
• Wide viewing angle
• Operating temperature range: -40 °C to +85 °C

Benefits:

• Provides reliable and accurate detection of infrared radiation.
• Enables rapid response to changes in IR light intensity.
• Suitable for use with common IR emitters used in remote controls and other applications.
• Detects IR radiation from a wide range of angles.
• Maintains stable performance in various environmental conditions.

Technical Specifications:

• Package: Through-hole
• Wavelength: typically 850 nm to 950 nm
• Collector-Emitter Voltage: 30 V
• Collector Current: 50 mA
• Viewing Angle: Typically ± 60°

The SFH 4053 phototransistor offers a combination of high sensitivity and fast switching speed, making it a versatile choice for various IR detection applications. Its wide viewing angle and compatibility with common IR emitter wavelengths simplify system design. The phototransistor's robust design ensures reliable performance over a wide temperature range, making it suitable for demanding environments. The SFH 4053's capabilities make it a valuable component in systems requiring accurate and responsive IR detection.