Fc 51 Ir Sensor Datasheet |verified| 【POPULAR】
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| Symbol | Parameter | Min | Typ | Max | Unit | | :--- | :--- | :--- | :--- | :--- | :--- | | VCC | Supply Voltage | 3.0 | 5.0 | 5.5 | V | | ICC | Supply Current | 5 | 15 | 25 | mA | | VOL | Output Low Voltage (sink) | 0 | 0.2 | 0.4 | V | | VOH | Output High Voltage (source) | 4.5 | 4.8 | 5.0 | V | | IOL | Output Low Current (max sink) | - | 10 | 15 | mA | | IOH | Output High Current (max source) | - | 5 | 10 | mA | | Tdet | Detection response time | - | 1.5 | 2.0 | ms | Fc 51 Ir Sensor Datasheet
| Parameter | Min | Typical | Max | Unit | Conditions | | :--- | :--- | :--- | :--- | :--- | :--- | | | 3.0 | 5.0 | 5.5 | V | – | | Supply Current (Icc) | 15 | 23 | 35 | mA | No load, LED on | | Output Voltage High (VOH) | Vcc - 0.5 | Vcc - 0.2 | – | V | Iout = 0 mA | | Output Voltage Low (VOL) | – | 0.1 | 0.4 | V | Iout = 15 mA | | Output Current (Source/Sink) | – | 15 | 20 | mA | – | | Detection Range (White paper) | 2 | – | 30 | cm | Adjustable via potentiometer | | Detection Range (Black surface) | 1 | – | 8 | cm | Lower reflectivity | | Frequency of IR carrier | – | 38 | – | kHz | Modulated signal | | Operating Temperature | -10 | 25 | 70 | °C | – | | Response Time | – | 2 | 5 | ms | Depends on comparator slew rate | This public link is valid for 7 days
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FC-51 IR Sensor is a versatile, low-cost infrared proximity module commonly used in obstacle avoidance robots, security systems, and factory automation. It works on the principle of reflecting infrared light off an object to determine its presence within a specific range. Electronics For You Technical Specifications Based on typical operating parameters for this module: Operating Voltage: 3V to 5V DC Operating Current: is greater than or equal to Detection Distance: 2cm to 30cm (adjustable via potentiometer) Detection Angle: Approximately 35 raised to the composed with power Output Signal:
A: "LM393" refers to the comparator IC. Many IR sensor modules (including FC-51) use the LM393. FC-51 is a specific board layout and component selection.
The LM393 comparator compares the photodiode's voltage to the reference voltage set by the potentiometer.