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KSD986OS from FAIRCHILD,Fairchild Semiconductor

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KSD986OS

Manufacturer: FAIRCHILD

NPN Epitaxial Silicon Darlington Transistor

Partnumber Manufacturer Quantity Availability
KSD986OS FAIRCHILD 2000 In Stock

Description and Introduction

NPN Epitaxial Silicon Darlington Transistor The part **KSD986OS** is manufactured by **FAIRCHILD**. Below are its specifications, descriptions, and features based on available information:  

### **Specifications:**  
- **Manufacturer:** FAIRCHILD  
- **Type:** Bipolar Junction Transistor (BJT)  
- **Polarity:** NPN  
- **Package:** TO-92  
- **Collector-Emitter Voltage (VCE):** 30V  
- **Collector Current (IC):** 500mA  
- **Power Dissipation (PD):** 625mW  
- **DC Current Gain (hFE):** 100–300 (typical)  
- **Transition Frequency (fT):** 300MHz  

### **Descriptions:**  
- The **KSD986OS** is a general-purpose NPN transistor designed for amplification and switching applications.  
- It is housed in a **TO-92** package, making it suitable for compact circuit designs.  

### **Features:**  
- High current gain (hFE) for improved amplification.  
- Low saturation voltage for efficient switching.  
- Suitable for low-power applications.  
- RoHS compliant.  

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

Application Scenarios & Design Considerations

NPN Epitaxial Silicon Darlington Transistor

Alternative Part Number

  • BC547 --: Widely available general-purpose NPN transistor in TO-92, a common substitute for small-signal Fairchild parts with similar pinout and ratings.
  • 2N3904 --: Industry-standard NPN small-signal transistor, pin-compatible in most TO-92 applications and easy to source as a Fairchild replacement.
  • MMBT3904 --: SMD version of the 2N3904 with comparable electrical characteristics, suitable when a surface-mount alternative is acceptable.

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