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KSR1101 from SAMSUNG

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KSR1101

Manufacturer: SAMSUNG, FAIRCHILD

NPN Epitaxial Silicon Transistor

Partnumber Manufacturer Quantity Availability
KSR1101 SAMSUNG, FAIRCHILD 5300 In Stock

Description and Introduction

NPN Epitaxial Silicon Transistor The part **KSR1101** is manufactured by **FAIRCHILD**. Below are the factual specifications, descriptions, and features based on available knowledge:  

### **Specifications:**  
- **Part Number:** KSR1101  
- **Manufacturer:** FAIRCHILD  
- **Type:** NPN Silicon Epitaxial Planar Transistor  
- **Application:** Designed for general-purpose amplification and switching applications.  
- **Collector-Emitter Voltage (VCEO):** 50V  
- **Collector-Base Voltage (VCBO):** 60V  
- **Emitter-Base Voltage (VEBO):** 5V  
- **Collector Current (IC):** 600mA  
- **Total Power Dissipation (PD):** 625mW  
- **DC Current Gain (hFE):** 100–300 (at IC = 10mA, VCE = 1V)  
- **Transition Frequency (fT):** 250MHz (typical)  
- **Operating Temperature Range:** -55°C to +150°C  

### **Description:**  
The **KSR1101** is a small-signal NPN transistor optimized for high-speed switching and amplification in low-power circuits. It is commonly used in consumer electronics, signal processing, and driver stages.  

### **Features:**  
- High current gain (hFE)  
- Low saturation voltage  
- Fast switching speed  
- Reliable performance in general-purpose applications  

For exact datasheet details, refer to the official Fairchild Semiconductor documentation.

Application Scenarios & Design Considerations

NPN Epitaxial Silicon Transistor

Alternative Part Number

  • 2N3904 --: General-purpose NPN transistor in TO-92, widely used as a functional substitute for small-signal switching applications similar to the KSR1101.
  • BC547 --: Low-power NPN bipolar transistor with comparable current and voltage ratings, suitable for general switching and amplification replacement.
  • MMBT3904 --: SMD NPN transistor equivalent to 2N3904, offering a surface-mount alternative when board layout allows a different package.

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