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SFH6943-3T

Low Current Input Mini Optocoupler

Partnumber Manufacturer Quantity Availability
SFH6943-3T,SFH69433T 98 In Stock

Description and Introduction

Low Current Input Mini Optocoupler The part **SFH6943-3T** is a high-speed PIN photodiode manufactured by **Vishay Semiconductors**.  

### **Key Specifications:**  
- **Type:** PIN Photodiode  
- **Package:** Surface-mount (SMD)  
- **Wavelength Range:** 400 nm to 1100 nm  
- **Peak Sensitivity Wavelength:** 860 nm  
- **Reverse Voltage (V_R):** 60 V  
- **Dark Current (I_D):** 2 nA (typical at 5 V reverse voltage)  
- **Capacitance (C_D):** 4 pF (typical at 5 V reverse voltage)  
- **Rise/Fall Time:** 5 ns (typical)  
- **Operating Temperature Range:** -40°C to +85°C  

### **Descriptions and Features:**  
- Designed for high-speed optical communication and sensing applications.  
- Suitable for visible and near-infrared (NIR) light detection.  
- Low capacitance and fast response time for high-frequency applications.  
- RoHS-compliant and halogen-free.  
- Used in industrial, medical, and consumer electronics.  

For exact performance characteristics, refer to the official **Vishay datasheet**.

Application Scenarios & Design Considerations

Low Current Input Mini Optocoupler
Partnumber Manufacturer Quantity Availability
SFH6943-3T,SFH69433T infineon 8731 In Stock

Description and Introduction

Low Current Input Mini Optocoupler The SFH6943-3T is a high-speed phototransistor manufactured by Infineon Technologies. Below are its key specifications, descriptions, and features:

### **Specifications:**  
- **Package:** SMD (Surface Mount Device), 4-pin  
- **Wavelength Range:** 850 nm (typical)  
- **Collector-Emitter Voltage (VCE):** 30 V (max)  
- **Emitter-Collector Voltage (VEC):** 5 V (max)  
- **Collector Current (IC):** 50 mA (max)  
- **Power Dissipation (Ptot):** 100 mW (max)  
- **Operating Temperature Range:** -40°C to +85°C  
- **Storage Temperature Range:** -40°C to +100°C  
- **Switching Time (tr / tf):** 3 µs (typical)  

### **Descriptions:**  
- The SFH6943-3T is an NPN silicon phototransistor designed for high-speed optoelectronic applications.  
- It is optimized for use in infrared (IR) light detection, particularly in data communication and industrial sensing.  
- The device is RoHS-compliant and suitable for automated assembly processes.  

### **Features:**  
- **High Sensitivity:** Efficient detection of infrared light at 850 nm.  
- **Fast Response Time:** Suitable for high-speed signal transmission.  
- **Low Dark Current:** Ensures minimal noise in the absence of light.  
- **SMD Package:** Compact and suitable for PCB mounting.  
- **Reliable Performance:** Designed for industrial and communication applications.  

For detailed electrical and optical characteristics, refer to the official Infineon datasheet.

Application Scenarios & Design Considerations

Low Current Input Mini Optocoupler

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