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LDR2533-PT from ST,ST Microelectronics

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LDR2533-PT

Manufacturer: ST

VERY LOW DROP DUAL VOLTAGE REGULATOR

Partnumber Manufacturer Quantity Availability
LDR2533-PT,LDR2533PT ST 5000 In Stock

Description and Introduction

VERY LOW DROP DUAL VOLTAGE REGULATOR The LDR2533-PT is a light-dependent resistor (LDR) manufactured by STMicroelectronics.  

### **Specifications:**  
- **Resistance Range:**  
  - 10 kΩ (at 10 lux)  
  - 1 MΩ (in darkness)  
- **Spectral Peak:** ~540 nm (green light sensitivity)  
- **Operating Temperature Range:** -30°C to +70°C  
- **Power Rating:** 200 mW (max)  
- **Response Time:** ~20 ms (rise), ~30 ms (fall)  

### **Descriptions:**  
- The LDR2533-PT is a cadmium sulfide (CdS) photoconductive cell.  
- Resistance decreases with increasing light intensity.  
- Used in light-sensing applications like automatic lighting controls, security systems, and exposure meters.  

### **Features:**  
- **High Sensitivity:** Reacts to visible light, particularly green wavelengths.  
- **Wide Resistance Range:** Suitable for various light conditions.  
- **Compact Size:** Small form factor for easy integration.  
- **Reliable Performance:** Stable operation across temperature variations.  

This LDR is commonly used in consumer electronics, industrial automation, and automotive applications.

Application Scenarios & Design Considerations

VERY LOW DROP DUAL VOLTAGE REGULATOR

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