SFH 4259S

SFH 4259S is a type of silicon NPN phototransistor often used in optical sensing applications. Manufactured by OSRAM Opto Semiconductors, it is designed for detecting visible and near-infrared radiation, making it suitable for a variety of applications such as remote controls, light barriers, and photoelectric counters.
The phototransistor operates by converting light into an electrical current. As an NPN transistor, it consists of a layer of p-type semiconductor between two n-type semiconductors. When light photons are absorbed by the phototransistor, they generate electron-hole pairs, leading to a current that is proportional to the intensity of the light.
Key features of the SFH 4259S include high sensitivity, fast response time, and a compact package, making it ideal for integration into compact devices. It typically operates within a temperature range suitable for most consumer and industrial environments. Its performance is characterized by parameters such as collector-emitter breakdown voltage, dark current, and spectral sensitivity.
Overall, the SFH 4259S is a versatile and reliable component for applications requiring efficient light detection and conversion into an electrical signal.

The SFH 4259S is an infrared emitter from OSRAM. Equivalent products include the Vishay TSAL6100, Lite-On LTE-4206, and Kingbright L-53F3C. These components have similar wavelengths and power ratings, making them suitable substitutes in applications needing infrared light emission. However, you should compare specific parameters such as emission angle, radiant intensity, and package type for compatibility with your application.

The SFH 4259S is an infrared LED designed for various sensing applications. It is known for its high power output and efficiency. Key features include:
1. Wavelength: It operates at an infrared wavelength, typically around 850 nm, which is optimal for a range of sensing technologies.
2. High Radiant Intensity: Provides strong infrared light output, making it suitable for long-range applications.
3. Compact Package: Comes in a small SMD (Surface-Mounted Device) package, allowing for integration into compact designs.
4. Wide Angle Emission: Offers a wide beam angle, improving coverage and detection accuracy in various applications.
5. Reliability: Designed for long-term use, with a focus on maintaining performance over extensive periods.
6. Applications: Frequently used in remote controls, optical sensors, and for detection tasks in industrial and consumer electronics.
These features make the SFH 4259S a versatile component for developers and engineers working on projects requiring reliable infrared sensing capabilities.

The SFH 4259S is an integrated photodiode with a preamplifier, typically used in infrared remote control applications. It usually comes in a compact package with three pins. The pin functions are generally as follows:
1. Pin 1 (GND): Ground. This pin is connected to the ground of the circuit.
2. Pin 2 (Vout): Output. It provides the demodulated infrared signal as an output.
3. Pin 3 (Vcc): Supply Voltage. This pin is connected to the positive supply voltage, typically around 2.7V to 5.5V.
The SFH 4259S is designed for receiving infrared signals modulated at a specific frequency, commonly around 36-38 kHz, and is used in consumer electronics for remote control applications due to its high sensitivity and reliability.

The SFH 4259S is manufactured by Osram Opto Semiconductors, a company that specializes in optoelectronics. Osram Opto Semiconductors is a subsidiary of ams-OSRAM AG, which is known for its expertise in producing a wide range of optical solutions including LEDs, sensors, and infrared components. The company serves various industries, providing components for applications such as automotive lighting, mobile devices, industrial technology, and medical technology. Their focus is on developing innovative and efficient semiconductor-based solutions that enhance the performance and functionality of electronic devices.

The SFH 4259S is an infrared emitter primarily used in biometric and proximity sensing applications. Its compact design and efficient performance make it suitable for use in mobile devices, such as smartphones and tablets, for facial recognition and gesture detection. Additionally, it can be used in industrial automation for detecting and measuring distances, as well as in automotive applications for interior lighting controls and driver-monitoring systems. Its ability to emit a narrow infrared beam also makes it ideal for use in remote control systems and optical data transmission.

The SFH 4259S is an infrared emitter from Osram Opto Semiconductors, commonly used for proximity sensors and optical data transmission. It typically comes in a side-looking surface-mount package, which is compact and suitable for integration into various electronic devices.