Optical Sensors - Phototransistors
Optical Sensors - Phototransistors
Definition:
Optical Sensors - Phototransistors are semiconductor devices that detect light and convert it into an electrical signal. These components operate similarly to standard transistors but are specifically designed to respond to light exposure, making them essential in applications requiring precise light detection and signal amplification. Phototransistors offer higher sensitivity and faster response times compared to photodiodes, making them ideal for automation, safety systems, and consumer electronics.
Types of Products in This Category:
1. Standard Phototransistors Basic light-sensitive transistors for general-purpose applications.
2. Infrared (IR) Phototransistors Optimized for IR light detection, commonly used in remote controls and security systems.
3. High-Sensitivity Phototransistors Designed for low-light environments with enhanced signal amplification.
4. Surface-Mount (SMD) Phototransistors Compact form factors for modern PCB designs.
5. Darlington Phototransistors Provide higher gain for applications requiring superior signal amplification.
Buying Recommendations:
When selecting a phototransistor, consider:
- Spectral Response: Ensure the device matches the wavelength of the light source (e.g., visible, IR).
- Sensitivity & Gain: Higher sensitivity is critical for low-light conditions, while Darlington types offer amplified output.
- Package Type: Through-hole for prototyping vs. SMD for high-density PCB designs.
- Response Time: Faster response is necessary for high-speed applications like data transmission.
- Supplier Reliability: Source from trusted manufacturers to ensure consistent performance and longevity.
This category is vital for engineers and developers working on light-sensing applications, offering a balance of precision, efficiency, and adaptability.
Filter and sort
Categories
SFH 3605-3/4-Z
SENSOR PHOTO 990NM SIDE VIEW SMD
SFH 314 FA
SENSOR PHOTO 870NM TOP VIEW RAD
QSB320TR
PHOTO TRANSISTOR, 880NM, 0.015A
BP 103
PHOTOTRANSISTOR NPN 850NM TO-18
MTD8000D1
SENSOR PHOTO 880NM TOP VIEW RAD
SFH 309-4
SENSOR PHOTO 860NM TOP VIEW RAD
SFH 325 FA-3-Z
SENSOR PHOTO 980NM SID VIEW PLCC
SFH 320 FA-3-Z
SENSOR PHOTO 980NM TOP VIEW 2LCC
SD5491-004-DFC1
INFRARED SENSORS
HOAD0110-11
SENSOR IR OPTICAL
SFH 3716
SENSOR PHOTO 570NM TOP VIEW 0805
IN-S126FSNPT
SIDE VIEW / 1209 / 3.0X2.35X1.6
LTR-5888DH
SENSOR PHOTO SIDE VIEW RADIAL
EAPLP05RDPA0
SENSOR PHOTO 940NM RADIAL
SFH 320 FA-4-Z
SENSOR PHOTO 980NM TOP VIEW 2LCC
EAPLP03RDAA1
SENSOR PHOTO 940NM RADIAL
SD2410-101
INFRARED SENSOR
LTR-309
SENSOR PHOTO 940NM SIDE VIEW RAD
SFH 3710-2/3-Z
SENSOR PHOTO 570NM TOP VIEW 0805
OP516C
SENSOR PHOTO 935NM TOP VIEW COAX