φ12mm LDR CDS light sensor Photoresistor photosensitive resistance MJ12516 MJ12517 MJ12528 MJ12537 MJ12539
Product Overview
1) Usage: In accordance with the principle of photoelectric control, it automatically governs the working status of the product along with alterations in external light.
(2) Performance: A. Epoxy resin; B. Swift reaction speed; C. High sensitivity; D. Compact volume; E. Excellent reliability; F. Favorable spectral characteristics.
(3) Main material composition: CdS CdSe, epoxy resin, ceramic substrate, tinned copper wire.
Application scope
Camera, automatic metering, photoelectric control, indoor light control,
alarm industrial control, light control switch, light control lamp, electronic toy.
Structural dimension diagram (unit: mm)
Specifications and models
Illumination characteristic diagram
Main characteristic curvature
Test conditions
(1) Luminous resistance: After being exposed to 400 - 600Lux light for 2 hours, it is measured with 10Lux light under standard light source A (with a color temperature of 2856K).
(2) Dark resistance: The resistance value is measured at the 10th second after the 10Lux light is turned off.
(3) The Y value indicates the standard value under 10Lux illumination and 100Lux illumination. The resistance values are R10 and R100 under the illuminations of 10Lux and 100Lux respectively.
(4) Wire bending degree: Any bending of the wire is carried out without any breakage or damage being detected.
(5) Vibration: Place the photoresistor on the vibrator and vibrate it for two hours. No damage was found.
(6) Voltage withstand: Apply a 200V DC voltage to both ends of the photoresistor in the dark state, with no abnormal phenomena occurring.
(7) Moisture and high temperature resistance: When operating at a humidity of 75 and a temperature of 70 ℃, the resistance change rate is less than ± 10%. When stored at a humidity of 75 and a temperature of 80 ℃, its resistance change rate is also less than ± 10%.
(8) Impact resistance: Place the photoresistor at 80 ℃, then at 25 ℃ after 4 hours, and at -30 ℃ after 2 hours. After 4 hours, the resistance change rate of the photoresistor before and after being placed is less than ± 10%.
Packaging and Precautions
A small bag contains 100 or 200 pieces, a small box contains 1000 or 2000 pieces, and a box contains 10000 pieces. Due to differences in size and requirements.
Avoid storing photoresistors in damp and high-temperature environments.
It should be noted that the recommended pin welding should be completed within 3 seconds at a distance of ≥ 4mm from the ceramic base, ensuring a welding temperature of 260 ℃ - 280 ℃, and it should not exceed the rated range. During or after the welding process, external forces should be prevented from acting on the pins, and repeated welding is not allowed.
