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ST1KLA from KODENSHI

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ST1KLA

Manufacturer: KODENSHI

Photo Transistors

Partnumber Manufacturer Quantity Availability
ST1KLA KODENSHI 10000 In Stock

Description and Introduction

Photo Transistors The part **ST1KLA** is manufactured by **KODENSHI**. Below are the factual specifications, descriptions, and features from Ic-phoenix technical data files:  

### **Specifications:**  
- **Type:** Phototransistor  
- **Package:** SMD (Surface Mount Device)  
- **Wavelength Range:** Near-Infrared (NIR)  
- **Operating Temperature Range:** Typically -40°C to +85°C  
- **Peak Sensitivity Wavelength:** ~940nm  
- **Output Type:** Phototransistor with open collector  

### **Descriptions:**  
- The **ST1KLA** is a high-sensitivity phototransistor designed for infrared detection applications.  
- It is commonly used in proximity sensors, optical encoders, and light barrier systems.  
- The SMD package allows for compact PCB integration.  

### **Features:**  
- High sensitivity to infrared light  
- Fast response time  
- Low dark current  
- Compact and lightweight design  
- RoHS compliant  

For exact electrical characteristics (such as collector-emitter voltage, collector current, etc.), refer to the official **KODENSHI datasheet**.

Application Scenarios & Design Considerations

Photo Transistors

Alternative Part Number

  • SIR-341ST --: Infrared LED in a similar package with comparable forward current and wavelength, widely available and pin-compatible in most designs.
  • IR333-A --: Standard 3mm/5mm infrared emitter with similar electrical characteristics, low cost and good second-source availability.
  • LTE-302 --: Infrared emitting diode with comparable forward voltage and radiant intensity, suitable as a functional replacement in sensing applications.

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