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.
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Categories
OPR5500
SENSOR PHOTO TOP VIEW 3SMD
EAPLP04RRAA3
SENSOR PHOTO 940NM SIDE VIEW RAD
SFH 3211 FA-3/4-Z
SENSOR PHOTO 980NM TOP VIEW 2SMD
EAPSG2520A0
SENSOR PHOTO 940NM TOP VIEW 2SMD
BP 103-3/4
PHOTOTRANSISTOR NPN 850NM TO-18
SFH 309 FA-3/4
SENSOR PHOTO 900NM TOP VIEW RAD
SFH 320-Z
SENSOR PHOTO 980NM TOP VIEW 2LCC
EAPLP04RRKA0
SENSOR PHOTO 940NM SIDE VIEW RAD
SD2410-001
SENSOR PHOTO 880NM TOP VIEW PILL
EAPLP04RRKA1
SENSOR PHOTO 940NM SIDE VIEW RAD
SFH 325 FA-4-Z
SENSOR PHOTO 980NM SID VIEW PLCC
LTR-5576D
SENSOR PHOTO SIDE VIEW RADIAL
SFH 314 FA-2/3
SENSOR PHOTO 870NM TOP VIEW RAD
SFH 309 FA
SENSOR PHOTO 900NM TOP VIEW RAD
VEMT4700F-GS08
SENSOR PHOT 3SMD PLCC3 DB FILTER
SFH 3211 FA-Z
SENSOR PHOTO 980NM TOP VIEW 2SMD
SFH 309-5
SENSOR PHOTO 860NM TOP VIEW RAD
SFH 309-5/6
SENSOR PHOTO 860NM TOP VIEW RAD
SMD2440-021-CSP1
SENSORS
SFH 320 FA-3/4-Z
SENSOR PHOTO 980NM TOP VIEW 2LCC