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KSD1691YSTU from FAIRCHIL,Fairchild Semiconductor

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KSD1691YSTU

Manufacturer: FAIRCHIL, FAIRCHILD

NPN Epitaxial Silicon Transistor

Partnumber Manufacturer Quantity Availability
KSD1691YSTU FAIRCHIL, FAIRCHILD 100 In Stock

Description and Introduction

NPN Epitaxial Silicon Transistor The part **KSD1691YSTU** is manufactured by **FAIRCHILD**. Below are the specifications, descriptions, and features based on Ic-phoenix technical data files:  

### **Specifications:**  
- **Manufacturer:** FAIRCHILD  
- **Part Number:** KSD1691YSTU  
- **Type:** NPN Bipolar Junction Transistor (BJT)  
- **Package:** SOT-89  
- **Collector-Emitter Voltage (VCE):** 60V  
- **Collector Current (IC):** 1A  
- **Power Dissipation (PD):** 1W  
- **DC Current Gain (hFE):** 100-400 (at IC = 0.5A, VCE = 5V)  
- **Transition Frequency (fT):** 150MHz  

### **Descriptions:**  
- The **KSD1691YSTU** is a high-voltage NPN transistor designed for general-purpose amplification and switching applications.  
- It is housed in an **SOT-89** surface-mount package, suitable for compact PCB designs.  

### **Features:**  
- **High Voltage Capability** (VCE = 60V)  
- **High Current Gain** (hFE = 100-400)  
- **Low Saturation Voltage**  
- **Fast Switching Speed**  
- **Compact SOT-89 Package** for space-saving designs  

This information is based solely on the provided knowledge base. No additional guidance or suggestions are included.

Application Scenarios & Design Considerations

NPN Epitaxial Silicon Transistor

Alternative Part Number

  • 2SC5200 --: High-current NPN power transistor with similar voltage and current ratings, widely available and commonly used as a substitute in audio and switching applications.
  • MJE15032G --: NPN power transistor with comparable collector-emitter voltage and current capability, suitable for switching and amplifier circuits.
  • TIP41C --: General-purpose NPN power transistor with adequate voltage and current ratings for many circuits originally using the KSD1691YSTU.
  • 2SD1691 --: Same transistor type and pinout with comparable voltage and current ratings, widely available as a direct functional substitute.
  • BD241C --: NPN power transistor with similar current and voltage ratings, suitable for switching and amplifier applications.

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