The Vishay TSSP4056 is a compact infrared sensor module designed for reflective sensing, light barrier, presence detection, and fast proximity applications. It is optimized for a 56kHz carrier frequency and provides an active-low output in response to infrared bursts around 940nm, making it suitable for reliable object and proximity sensing systems.
The device operates from a 2.0V to 5.5V supply and typically draws approximately 0.35mA at 3.3V under dark ambient conditions. The TSSP4056 uses a 3-pin molded leaded package with pin configuration 1 = OUT, 2 = GND, and 3 = VS. Its package dimensions are approximately 6.0mm × 6.95mm × 5.6mm, and its operating temperature range is -25°C to +85°C.
For typical applications, the TSSP40 series supports presence sensing at distances up to approximately 2m. When used as a light barrier with a TSAL6200 infrared emitter at the specified test conditions, transmission distance can reach approximately 12m. Fast proximity applications can achieve sensing ranges up to approximately 2m with a 5ms response time. Typical applications include automatic dispensers, security systems, vending machines, robotics, drones, and industrial proximity sensing.
Key Features:
- Manufacturer: Vishay
- Part Number: TSSP4056
- Series: TSSP40
- Product Type: IR Sensor Receiver Module
- Carrier Frequency: 56kHz
- IR Response Wavelength: Approx. 940nm
- Output: Active Low
- Supply Voltage: 2.0V to 5.5V
- Typical Supply Current: 0.35mA
- Number of Pins: 3
- Pinout: 1 = OUT, 2 = GND, 3 = VS
- Package: Mold
- Mounting Type: Leaded / Through-Hole
- Dimensions: 6.0 × 6.95 × 5.6mm
- Half Viewing Angle: ±45°
- Operating Temperature: -25°C to +85°C
- Light Barrier Distance: Up to approx. 12m
- Presence Detection Range: Up to approx. 2m
- RoHS Compliant
- Lead-Free and Halogen-Free
- Non-Automotive Qualified
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