W222S Product Introduction
The W222S pyroelectric infrared sensor features a dual-sensitive
element design and incorporates internal adjustments to its filter
circuit parameters. This enhancement significantly strengthens the
product's resistance to RF interference, thereby improving the sensor's
operational stability.
W222S Product Features
W222S Technical Data
| Window size | 3*4mm |
| Infrared acceptance electrodes | 2.6*1mm 2 elements |
| Encapsulation | To-5 |
| Received wavelength | 5～14 μm |
| Transmittance | ≥ 75% |
| Output signal peak [Vp-p] | ≥ 3000 mV |
| Sensitivity | ≥ 3300 V/W |
| Detection rate (D*) | 1.4 ×10⁸ cmHz¹/²/W |
| Noise peak [Vp-p] | <80 mV |
| Output balance | <10% |
| Source voltage | 0.3~0.85 V |
| Supply voltage | 2~15 V |
| Operating Temp | -30~70 ºC |
| Storage Temp | -40~80 ºC |
W222S Product Specification Document
Access detailed technical information, configuration guides, and solutions notes to support your evaluation and implementation of the W222S Series.
W222S DatasheetComprehensive technical specifications and detailed reference data for modules and components.
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W222S PinoutStandard pin assignment, interface definition and signal pin functions for reliable connection.
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W222S Circuit DiagramComplete wiring diagram, application schematic and typical connection scheme for design reference.
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