Aolittel Technology Co.,Ltd
| Payment Terms | T/T, Western Union |
| Supply Ability | 100,000,000 Pieces Per Month |
| Delivery Time | 7-10 Working Days |
| Packaging Details | Bulk,standard export packaging |
| Item | CdS Photoconductive Photocell Photoresistor Light Sensor |
| Diameter | 4mm |
| Operating Temperature | -30°C ~ 70°C (TA) |
| Cell Resistance @ Illuminance | 2 ~ 200 kOhms @ 10 lux |
| Cell Resistance (Min) @ Dark | 0.1 ~ 10 MOhms @ 10s |
| Fall Time (Typ) | 30ms |
| Rise Time (Typ) | 30ms |
| Voltage - Max | 150Vpk |
| Wavelength | 520nm |
| Color | Red |
| Brand Name | Ao littel |
| Model Number | GM45 |
| Place of Origin | CHINA |
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Product Specification
| Payment Terms | T/T, Western Union | Supply Ability | 100,000,000 Pieces Per Month |
| Delivery Time | 7-10 Working Days | Packaging Details | Bulk,standard export packaging |
| Item | CdS Photoconductive Photocell Photoresistor Light Sensor | Diameter | 4mm |
| Operating Temperature | -30°C ~ 70°C (TA) | Cell Resistance @ Illuminance | 2 ~ 200 kOhms @ 10 lux |
| Cell Resistance (Min) @ Dark | 0.1 ~ 10 MOhms @ 10s | Fall Time (Typ) | 30ms |
| Rise Time (Typ) | 30ms | Voltage - Max | 150Vpk |
| Wavelength | 520nm | Color | Red |
| Brand Name | Ao littel | Model Number | GM45 |
| Place of Origin | CHINA | ||
| High Light | flame detector sensor ， surface mount thermal fuse | ||
4mm Dia CdS Photoconductive Photocell Photoresistor Light Sensor 540nm For Camera Exposure
Typical Applications
| Photometry | For Exposure Meters Programmed electronic shutter Auto-exposure circuit General-purpose illuminometer For Low exposure alarm Low-light-level detection Counterlight level detection White-balance control for video camera |
Light Control | For light Dimmers For Automatic Light switch Street lamp, doorway lamp, garden lamp Beacon nighttime automobile Headlight |
| Detection | Paper and card reading For heating systems Flame monitor for oil burner Electronic toy such as beam gun Intruder alarm, security system |
| Audio | Non-contact volume control For Melody Toys, card, tea cup, etc. Auto-return system for turntable Modulation circuit |
Description
Cadmium Sulfoselenide (CdS) sensors are low cost photoconductive devices for visible light measurement. Their resistance decreases as the light level increases with efficiency characteristics similar to the human eye.
The GM45 Series are (CdS), Photoconductive photocells designed to sense light from 400 to 700 nm. These light dependent resistors are available in a wide range of resistance values. They’re packaged in a two leaded plastic-coated ceramic header.
Specification
| Name | Model | Max. Voltage VDC | Max. Power mw | Environment Temperature (℃) | Spectrum Peak nm | Light Resistance (10Lux) KΩ | Dark Resistance ≥MΩ | γ100 10 | Response Time (ms) | |
| Increase | Decrease | |||||||||
| φ4 Series | GM4506 | 150 | 50 | -30~+70 | 540 | 2-5 | 0.1 | 0.5 | 30 | 30 |
| GM4516 | 150 | 50 | -30~+70 | 540 | 5-10 | 0.2 | 0.5 | 30 | 30 | |
| GM4528 | 150 | 50 | -30~+70 | 540 | 10-20 | 1 | 0.6 | 30 | 30 | |
| GM4537-1 | 150 | 50 | -30~+70 | 540 | 20-30 | 2 | 0.6 | 30 | 30 | |
| GM4537-2 | 150 | 50 | -30~+70 | 540 | 30-50 | 3 | 0.7 | 30 | 30 | |
| GM4539 | 150 | 50 | -30~+70 | 540 | 50-100 | 5 | 0.8 | 30 | 30 | |
| GM4549 | 150 | 50 | -30~+70 | 540 | 100-200 | 10 | 0.9 | 30 | 30 | |
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Features
Visible light response
Sintered construction
Low cost
Application Example
Input Boards LDR:
This is a ORP13, 4mm light dependent resistor
Fully covered resistance of 10kΩ
In normal room conditions it has a resistance of approximately 250Ω.
Design Considerations
Photoresistors are less light-sensitive devices than photodiodes or phototransistors: the two latter components are true semiconductor devices, while a photoresistor is a passive component and does not have a PN-junction. The photoresistivity of any photoresistor may vary widely depending on ambient temperature, making them unsuitable for applications requiring precise measurement of or sensitivity to light photons.
Photoresistors also exhibit a certain degree of latency between exposure to light and the subsequent decrease in resistance, usually around 10 milliseconds. The lag time when going from lit to dark environments is even greater, often as long as one second. This property makes them unsuitable for sensing rapidly flashing lights, but is sometimes used to smooth the response of audio signal compression.
Company Details
Business Type:
Manufacturer,Exporter
Year Established:
2017
Total Annual:
3,750,000-5,000,000
Employee Number:
400~500
Ecer Certification：
Site Member
Aolittel Technology Co.,Ltd. , specilized in production of various fuse , fuse holder and associated Products with plant area 5,000 m2 located in Dongguan city , which is widely known as World's Factory . Our R&D consist of experienced engineers with rich ... Aolittel Technology Co.,Ltd. , specilized in production of various fuse , fuse holder and associated Products with plant area 5,000 m2 located in Dongguan city , which is widely known as World's Factory . Our R&D consist of experienced engineers with rich ...
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