The manual provides specifications, testing methods, application circuits, and usage precautions for the PIR SENSOR CO.,LTD D203S Series pyroelectric…
This sensor manual describes the D203S Series pyroelectric infrared radial sensor, its typical applications such as alarm devices, automatic lighting, and smart toys, and explains how its dual‑element design improves EMI resistance.\n\nThe document lists detailed electrical and mechanical specifications, outlines testing conditions, and presents typical application circuits along with handling and mounting guidelines to ensure reliable performance. This manual is written in Chinese.
| Infrared receiving electrode size | 2×1 mm (2 elements) |
|---|---|
| Window size | 3×4 mm |
| Receiving wavelength | 5–14 µm |
| Output signal peak | 3500 mV p‑p |
| Sensitivity | 3200 V/W |
| Detectivity (D*) | 1.4×10⁸ cm·Hz¹⁄₂/W |
| Noise peak | <70 mV p‑p |
| Output balance | <10 % |
| Source voltage | 0.5–1.2 V |
| Supply voltage | 3–15 V |
| Operating temperature range | -30 °C to 70 °C |
| Storage temperature range | -40 °C to 80 °C |
The sensor operates with a supply voltage of 3 V to 15 V.
It detects infrared radiation in the 5 µm to 14 µm wavelength range.