This is a VT935G-B Photoresistor. Note that this is made with CdS (Cadmium Sulphide) and is not RoHS compliant.
VT935G-B Photoresistor Specifications Characteristics @ 25 °C, 16 hrs. light adapt min.)
- Resistance @ 10 lux, 2850K: 29 kΩ typical (20 kΩ min., 38 kΩ max.)
- Resistance @ 2 fc, 2850K: 15 kΩ typical
- Resistance in darkness: 1 MΩ, 5 sec.
- Type 3 Material
- Sensitivity: 0.90 γ typical
- Maximum Voltage: 100V pk.
- Response Time @ 1 fc, Rise (1-1/e): 35 ms typical
- Response Time @ 1 fc, Fall (1/e): 5 ms typical
Download PerkinElmer VT935G-B Datasheet (see page 13 specifically)