Manfred, anbei die Daten der verwendeten LEDs:

Products Number LE-DS007
Products Name 100x Ultra Bright UV LEDs, 5mm, clear
Emitted Color UV
Size (mm) 5mm
Lens Color Water Clear
Peak Wave Length (nm) 385 ~ 395
Forward Voltage (V) 3.2 ~ 2.2
View Angle About 25°
Luminous Intensity (mcd) About 1500
Max continuously current 25mA
Max peak current 75mA
Item Net Weight 31g/1.09oz

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Gruß Sigo