Vishay

US$3.50
The Vishay TSOP34156 is a general-purpose modulated IR receiver for IR-based remote-control projects. It features a wide operating voltage range and allows for relatively high data rates; this particular unit is tuned for a 56 kHz carrier frequency. This is the IR receiver used in the Pololu IR Beacon.
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US$2.45
The Vishay TSOP38438 is a general-purpose modulated IR receiver for IR-based remote-control projects. It features a wide operating voltage range of 2.5 V to 5.5 V; this particular unit is tuned for a 38 kHz carrier frequency.
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US$3.85
This is a modulated IR receiver that is designed specifically for sensing applications instead of data communication for remote control. 
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US$3.85
This is a unique modulated IR receiver that is designed for IR brightness detection instead of data communication for remote control.
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US$1.39

This has a compact construction where the emitting-light source and the detector are arranged in the same direction to sense the presence of an object by using the reflective IR beam from the object.

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US$2.23
The TSOP4838 from Vishay is a miniaturized IR receiver module for infrared remote control systems. A PIN diode and a preamplifier are assembled on lead frame, the epoxy package contains an IR filter. The demodulated output signal can be directly connected to a microprocessor for decoding. This device is widely used for remote controlling.
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US$2.10
This is a small ambient light sensor that acts as an NPN transistor. The more the sensor is exposed to light, the stronger the base bias.
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US$2.73
This is a simple IR receiver for infrared remote control of your next project. With low power consumption and an easy to use package, it mates well with embedded electronics and can be used with common IR remotes.
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