ST178 reflective photoelectric switch
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Description: The ST178 is a reflective photoelectric switch designed for reliable detection and proximity sensing in various industrial and automation applications. This sensor utilizes reflective technology, where it emits infrared light and detects the reflection from a nearby object to determine presence or absence. It offers high sensitivity and stable performance in detecting a wide range of materials and surfaces.
Key Features:
- Reflective photoelectric switch
- Infrared light emitter and receiver
- High sensitivity and stable performance
- Reliable detection of objects
- Compact and durable design
- Detection Method: Reflective
- Operating Voltage: 10-30V DC
- Sensing Distance: Up to 1 meter
- Response Time: <2ms
- Light Source: Infrared LED
- Output Type: NPN or PNP (depending on model)
- Output Configuration: Normally Open (NO) or Normally Closed (NC)
- Protection: IP67 (dust tight and protected against immersion in water)
- Operating Temperature Range: -25°C to +70°C
- Object detection
- Conveyor systems
- Packaging machinery
- Industrial automation
- Material handling
Technical Specifications:
- Logic Family: CMOS
- Number of Channels: 3
- Switch Configuration: Single-Pole Double-Throw (SPDT)
- Supply Voltage Range: 3V to 15V
- “ON” Resistance (R_ON): 125Ω typical at V_DD = 10V
- “OFF” Leakage Current (I_OFF): ±100pA typical at V_DD = 10V
- Control Input Voltage (V_IH): 0.7 V_DD min, 0.3 V_DD max
- Maximum Operating Frequency: 40 MHz at V_DD = 10V
Applications:
- Signal routing and switching
- Analog and digital multiplexing
- Audio and video signal processing
- Data acquisition systems
- Test equipment