D203S Pyroelectric Infrared Sensor
The D203S is a pyroelectric infrared sensor featuring dual sensing elements and analog signal output. It detects infrared radiation based on the temperature-dependent spontaneous polarization of its material. The dual-element design effectively suppresses interference from ambient temperature fluctuations, ensuring high operational stability. It is widely used in applications such as smart toys, automatic light switches, and motion-sensing doors.
Download PDF DatasheetProduct Features
- ◆ Analog signal output
- ◆ Dual sensing element design suppresses ambient temperature interference for stable operation
- ◆ TO-5 package with 5-14μm reception wavelength
- ◆ Compatible with various recommended signal processing ICs for flexible application
Technical Specification
| Parameter | Specification |
|---|---|
| Window Size | 3*4mm |
| IR Receiving Electrode | 2.6*1mm, 2 elements |
| Package | TO-5 |
| Reception Wavelength | 5—14μm |
| Transmittance | ≥75% |
| Output Signal Peak [Vp-p] | ≥3500mV |
| Sensitivity | ≥3300V/W |
| Detectivity (D*) | 1.4×10⁸ cmHz¹/²/W |
| Noise Peak [Vp-p] | ≤80mV |
| Output Balance | <10% |
| Source Voltage | 0.3~1.2V |
| Supply Voltage | 2~15V |
| Operating Temperature Range | -30~+70°C |
| Storage Temperature Range | -40~+80°C |
