The Senba () LDR Sensor, also known as a photoresistor, is a semiconductor device whose conductivity changes with light intensity. This characteristic allows it to be manufactured in various shapes and light-sensitive areas. These sensors are widely used in applications such as toys, lighting, and cameras. Key features include good reliability, small size, high sensitivity, fast response speed, and good spectral characteristics, making them suitable for automatic exposure control in cameras, photoelectric control, indoor light control, alarms, industrial control, photocontrolled switches, photocontrolled lights, and electronic toys.
| Series | Model | Max Voltage (VDC) | Max Power (mW) | Ambient Temp (C) | Spectral Peak (nm) | Dark Resistance (M) | Response Time (ms) - Rise | Response Time (ms) - Fall | Illuminance Characteristic Figure |
|---|---|---|---|---|---|---|---|---|---|
| 5 Series | GL5516 | 150 | 90 | -30~+70 | 540 | 0.5 | 30 | 30 | 2 |
| GL5528 | 150 | 100 | -30~+70 | 540 | 0.6 | 20 | 30 | 3 | |
| GL5537-1 | 150 | 100 | -30~+70 | 540 | 0.6 | 20 | 30 | 4 | |
| GL5537-2 | 150 | 100 | -30~+70 | 540 | 0.7 | 20 | 30 | 4 | |
| GL5539 | 150 | 100 | -30~+70 | 540 | 0.8 | 20 | 30 | 6 | |
| GL5549 | 150 | 100 | -30~+70 | 540 | 0.9 | 20 | 30 | 6 | |
| 56 Series | GL5606 | 150 | 90 | -30~+70 | 560 | 0.5 | 30 | 30 | 2 |
| GL5616 | 150 | 100 | -30~+70 | 560 | 0.6 | 30 | 30 | 2 | |
| GL5626 | 150 | 100 | -30~+70 | 560 | 0.6 | 20 | 30 | 3 | |
| GL5637-1 | 150 | 100 | -30~+70 | 560 | 0.7 | 20 | 30 | 4 | |
| GL5637-2 | 150 | 100 | -30~+70 | 560 | 0.8 | 20 | 30 | 4 | |
| GL5539 | 150 | 100 | -30~+70 | 560 | 0.9 | 20 | 30 | 5 | |
| GL5649 | 150 | 100 | -30~+70 | 560 | 0.95 | 20 | 30 | 6 |