The XL-S2522PDC is a 2522 SMD photodiode with outline dimensions of 2.5 × 2.2 × 0.6 mm. It complies with ROHS requirements, has a moisture sensitivity level (MSL) of 3, and uses EIA standard packaging. It is suitable for SMT automatic production and infrared reflow soldering processes. The device has a spectral response range of 400–1000 nm, a radiant sensitive area of 3.24 mm², and a half-sensitivity angle of ±65°. It is mainly used for optical detection in health-monitoring electronic products such as blood oxygen, heart rate, and pulse monitoring.
Outline dimensions (L/W/H): 2.5 × 2.2 × 0.6 mm;
Environmental protection process, compliant with ROHS requirements;
Moisture sensitivity level (MSL): Level 3;
EIA standard packaging;
Suitable for SMT automatic production;
Suitable for infrared reflow soldering processes;
Key optical/electrical parameters: spectral response range 400–1000 nm; typical light current 12 μA @525 nm, 16 μA @660 nm, 20 μA @940 nm (VR=5 V, Ee=1 mW/cm²); dark current typical 0.2 nA, maximum 25 nA; half-sensitivity angle ±65°; radiant sensitive area 3.24 mm².
Blood oxygen detection;
Heart rate monitoring;
Pulse detection;
Electronic watches;
Pulse oximeters;
Widely used in various health-monitoring electronic products.
