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SFH601-1 from SIEMENS

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SFH601-1

Manufacturer: SIEMENS, 西门子

PHOTOTRANSISTOR OPTOCOUPLER
Partnumber Manufacturer Quantity Availability
SFH601-1,SFH6011 SIEMENS, 西门子 1029 In Stock

Description and Introduction

PHOTOTRANSISTOR OPTOCOUPLER The **SFH601-1** is an optocoupler manufactured by **SIEMENS**. Below are its specifications, descriptions, and features based on factual information:  

### **Specifications:**  
- **Type:** High-speed optocoupler  
- **Isolation Voltage:** 5300 Vrms (minimum)  
- **Input Current (Forward Current - IF):** 10 mA (typical)  
- **Output Type:** Phototransistor  
- **Collector-Emitter Voltage (VCEO):** 70 V  
- **Current Transfer Ratio (CTR):** 20% to 300% (at IF = 5 mA, VCE = 5 V)  
- **Switching Speed (Turn-on / Turn-off Time):** 3 µs / 4 µs (typical)  
- **Operating Temperature Range:** -55°C to +100°C  
- **Package Type:** DIP-6 (Dual Inline Package, 6-pin)  

### **Descriptions:**  
- The **SFH601-1** is designed for **signal isolation** in high-voltage environments.  
- It consists of an **infrared LED** (input side) optically coupled to a **silicon phototransistor** (output side).  
- Suitable for **digital signal transmission** in industrial, medical, and communication applications.  

### **Features:**  
- **High isolation voltage** for safety in high-voltage circuits.  
- **Fast switching speed** for digital signal applications.  
- **Wide CTR range** ensures compatibility with various driving conditions.  
- **Reliable performance** across a broad temperature range.  
- **Compact DIP-6 package** for easy PCB mounting.  

For exact performance under specific conditions, refer to the official **SIEMENS datasheet**.

Application Scenarios & Design Considerations

PHOTOTRANSISTOR OPTOCOUPLER

Alternative Part Number

  • PC817 --: Industry-standard optocoupler with similar CTR and isolation, widely available and pin-compatible in most circuits.
  • 4N25 --: General-purpose phototransistor optocoupler with comparable isolation voltage and current transfer ratio, common drop-in substitute.
  • TLP521-1 --: Single-channel phototransistor optocoupler offering similar CTR range and isolation, suitable functional replacement.
  • LTV-817 --: Direct functional equivalent optocoupler with comparable current transfer ratio and 5kV isolation, low cost and easy to source.
  • 4N35 --: General-purpose optocoupler with similar isolation voltage and transistor output, suitable replacement when CTR requirements are relaxed.

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