Technical Specifications for Electrotap T303A Light Sensor

Physical Attributes

  • Dimensions: 1in (25mm) x 5/8in (16mm) x 3/8" (10mm)
  • Solder Mask Color: Red
  • Encased in protective heatshrink (clear).
  • Temperature Range: -30C to 75C (-21F to 160F)

Ordering Information

  • Full Version (with cable) - T303A
  • Project Version (no cable, no connector, heatshrink provided separately) - T303AP

 

Sensing Specifications

  • Photoconductive Photocell manufactured by Photonic Detectors, Inc.
  • Response Range: Visible light spectrum, 1-100 lux.
  • Response Time: 25-60ms.

Electrical Specifications

  • Voltage Source: 0-5 Volts
  • Minimum Current Source: 5mA
  • Voltage Returned by Sensor: Industry Standard 0.25 Volts to 4.75 Volts, fully conditioned and buffered.
  • Connector Layout (Pin 1 is indicated by an arrow on the top of the connector)
    - Pin 1: Ground (from interface )
    - Pin 2: Sensor Output
    - Pin 3: 5 Volts (from interface)

 

Cable Specifications

  • Electrotap P/N: CAB-MX2LF3-3
  • Standard 3 foot (approximately 1 meter) premium quality Canare L-4E5C star-quad cable with braided shielding.
  • Sensor-end connector is our standard, female locking Molex connector. Interface-end connector is top-of-the-line Neutrik XLR connector.
  • Molex connector layout:
    - Pin 1: Ground
    - Pin 2: Sensor Output
    - Pin 3: 5 Volts
  • XLR connector layout:
    - Pin 1: Ground
    - Pin 2: 5 Volts
    - Pin 3: Sensor Output

Application Examples

  • Ambient lighting of an environment.
  • Triggering based on the interruption of a light source
  • Indication of proximity to a source, based on how much light is being blocked or provided by the source.
  • Applications recommended by the component manufacturer:
    - Camera Exposure
    - Low Light Level
    - Shutter Control
    - Night Light Controls