Miniature Solar Cell - BPW34
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Description: The BPW34 is a tiny, general-purpose PiN photodiode. This photodiode has a ton of uses, one of which is to use it is a mini solar cell to power your project. The cell is sensitive to a wide range of light wavelengths (430-1100nm), so it should produce power in a number of different settings. The rated open-circuit voltage is 350mV (900nm, 1mW/cm2 light source), and short circuit current is 47μA.
These are fun (of course)! We shined a 940nm infrared LED on one of them and it produced about 0.5VDC open-circuit voltage. Stringing four together in series, we were able to turn an LED on with them. They’ll also produce a small voltage, ~250mV, in a brightly, fluorescent-lit room.
Package type: leaded
Package form: top view
Radiant sensitive area (in mm2): 7.5
High radiant sensitivity
Suitable for visible and near-infrared radiation
Fast response times
The angle of half sensitivity: phi = ± 65°
Lead (Pb)-free, RoHS compliant* 5.4x4.3x3.2 mm
Documentation and Downloads