High Quality LDR Electric Circuit φ12 for Street Lamps from Senba Manufacturer
Overview
A photoresistor is made of a high resistance semiconductor. In the dark, a photoresistor can have a resistance as high as several megohms (MΩ), while in the light, a photoresistor can have a resistance as low as a few hundred ohms. If incident light on a photoresistor exceeds a certain frequency, photons absorbed by the semiconductor give bound electrons enough energy to jump into the conduction band.
Feature
Photoresistors can be placed in streetlights to control when the light is on. Ambient light falling on the photoresistor causes the streetlight to turn off. Thus energy is saved by ensuring the light is only on during hours of darkness.
Standard Type and Specifications
|
Specification |
Type |
Maximum Voltage |
Maximum power |
Spectrum peak value |
Light resistance (10Lux) (KΩ) |
Dark resistance (MΩ) |
Response time (ms) |
|
|
Increase |
Decrease |
|||||||
|
φ12 series |
GL12516 |
250 |
200 |
560 |
5- 10 |
1 |
30 |
30 |
|
GL12528 |
250 |
200 |
560 |
10- 20 |
2 |
30 |
30 |
|
|
GL12537-1 |
250 |
200 |
560 |
20- 30 |
3 |
30 |
30 |
|
|
GL21537-2 |
250 |
200 |
560 |
30- 50 |
5 |
30 |
30 |
|
|
GL12539 |
250 |
200 |
560 |
50- 100 |
8 |
30 |
30 |
|
Applications
They are also used in some dynamic compressors together with a small incandescent or neon lamp, or light-emitting diode to control gain reduction. A common usage of this application can be found in many guitar amplifiers that incorporate an onboard tremolo effect, as the oscillating light patterns control the level of signal running through the amp circuit.
FAQ
φ3 series, φ4 series, φ5 series, φ7 series, φ10 series, φ12 series, φ20 series.
5 million Pieces per Mont
100pcs per small package,1000pcs per big package
Senba sensing technology co ltdis a pir sensor manufacturers, we provide ldr lampand etc. Welcome to contact us.
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