Key facts
- Brand
- PIR SENSOR CO.,LTD
- Model
- D203S
- Category
- sensor
- Industry
- Electronics
- Documents
- 2
- Languages
- ZH
- Last added
- 2026-09-28
Start here
PIR SENSOR CO.,LTD D203S Series Pyroelectric Infrared Radial Sensor Sensor Manual
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.
Read onlinePIR SENSOR CO.,LTD. D203S specifications
| 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 |
Source: PIR SENSOR CO.,LTD D203S Series Pyroelectric Infrared Radial Sensor Sensor Manual
All PIR SENSOR CO.,LTD. D203S documents by type
Day-to-day operation, settings and troubleshooting. Start here if the product is already set up.
Questions answered in these manuals
What supply voltage range should be used with the D203S sensor?
The sensor operates with a supply voltage of 3 V to 15 V.
From: PIR SENSOR CO.,LTD D203S Series Pyroelectric Infrared Radial Sensor Sensor Manual
What infrared wavelength range does the sensor detect?
It detects infrared radiation in the 5 µm to 14 µm wavelength range.
From: PIR SENSOR CO.,LTD D203S Series Pyroelectric Infrared Radial Sensor Sensor Manual
What are the typical applications of the D203S sensor?
The sensor is applied in security devices, anti-theft alarms, induction doors, automatic lighting, and smart toys.
From: PIR SENSOR CO.,LTD. D203S Pyroelectric Infrared Radial Sensor Manual
What is the recommended soldering time for the sensor leads?
The soldering time should be as short as possible to prevent damage.
From: PIR SENSOR CO.,LTD. D203S Pyroelectric Infrared Radial Sensor Manual