The TEMT1022 is a silicon NPN epitaxial planar phototransistor manufactured by Vishay. It is sensitive to visible and near-infrared radiation. Encased in a clear plastic package, it is designed for various light detection applications.
Applications
- Light Detection: Used for general light detection purposes.
- Optical Sensors: Incorporated into optical sensor systems to measure light intensity.
- Object Detection: Detecting the presence or absence of objects by sensing reflected light.
- Ambient Light Sensing: Measuring ambient light levels for automatic brightness control in displays.
- Remote Control Systems: Receiving infrared signals in remote control devices.
- Light Barriers: Detecting interruptions in light beams for security and automation applications.
Features
- High Sensitivity: Highly sensitive to visible and near-infrared radiation.
- Fast Switching Speed: Quick response to changes in light intensity.
- Wide Angle of Half Sensitivity: Detects light from a wide angle.
- Clear Plastic Package: Allows maximum light transmission to the phototransistor.
- Compact Size: Small form factor for easy integration into various applications.
- RoHS Compliant: Compliant with Restriction of Hazardous Substances (RoHS) directive.
Benefits
- Accurate Light Measurement: Provides reliable and accurate light intensity measurements.
- Versatile Application: Suitable for a wide range of light detection applications.
- Easy Integration: Simple to integrate into existing electronic circuits and systems.
- Long Operating Life: Provides long-term reliability with minimal maintenance.
- Low Cost: Economical solution for light detection needs.
Additional Details
The TEMT1022 typically operates with a collector-emitter voltage of up to 50V and a collector current of up to 50mA. The peak sensitivity wavelength is around 880nm. The specific response characteristics depend on the bias conditions and the wavelength of the incident light. Proper biasing is crucial for optimal performance. It's important to consult the datasheet for detailed specifications on the collector-emitter saturation voltage, dark current, and spectral sensitivity. Soldering should be performed according to standard electronic component soldering practices to avoid damage to the device.