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Home / Sensors / Pyroelectric Infrared Sensor Replacement for RE200B D203S KP500B Human Body Induction Module Probe PIR

Attributes

Brand -
Category Robotics / STEM Teaching Tools / Sensors
Origin -
Model Compatibility RE200B, D203S, KP500B
Sensor Type Pyroelectric Infrared (PIR)
Detection Angle 110 degrees
Operating Voltage 3.3V - 5V DC
Current Consumption < 60 µA
Package Type TO-5 Metal Can
Window Material Silicon Lens with IR Filter
Operating Temperature -20°C to +60°C
Pin Configuration 3-Pin Standard Layout
Application Motion Detection, Security Systems, Automatic Lighting

6 reviews

A

Anonymous

Mar 18, 2026

Rating: 5/5

Great for Arduino projects

Very responsive to human movement. Integrated easily with my microcontroller setup without any noise issues.

A

Anonymous

Mar 13, 2026

Rating: 4/5

Good quality, fast shipping

The sensor works well in my home automation project. Took off one star because the pins were slightly bent upon arrival, but easy to fix.

A

Anonymous

Mar 08, 2026

Rating: 5/5

Reliable performance

I bought five of these for a batch of motion detectors. All of them tested perfectly with consistent detection ranges.

A

Anonymous

Mar 06, 2026

Rating: 5/5

Excellent value

Much cheaper than buying a whole new module. Saved my project and works just like the original factory part.

A

Anonymous

Mar 05, 2026

Rating: 5/5

Perfect drop-in replacement

Worked exactly as expected for my RE200B module repair. The sensitivity is spot on and installation was straightforward.

A

Anonymous

Mar 01, 2026

Rating: 4/5

Solid component

Does the job for replacing old sensors in legacy alarm systems. Just ensure your voltage regulator is stable for best results.

5 FAQ

Q: Is this compatible with the HC-SR501 module?

A: Yes, this sensor is a direct replacement for the PIR element used in the HC-SR501 module, provided the pin layout matches your specific board version.

Q: How do I identify Pin 1?

A: When looking at the bottom of the metal can, Pin 1 is usually marked by a small dot or notch near the pin. Please refer to the datasheet for the specific RE200B/D203S pinout diagram.

Q: What is the maximum detection distance?

A: The detection distance depends on the Fresnel lens used in your module, but typically ranges from 5 to 7 meters for human body detection in open spaces.

Q: Does this come with a Fresnel lens?

A: No, this listing is for the bare TO-5 pyroelectric sensor element only. The white plastic Fresnel lens is not included.

Q: Can I use this outdoors?

A: The sensor itself can operate within the stated temperature range, but it must be housed in a weatherproof enclosure with an appropriate IR-transparent window for outdoor use.

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