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KST2222A-MTF from SAMSUNG

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KST2222A-MTF

Manufacturer: SAMSUNG, FAIRCHILD

NPN Epitaxial Silicon Transistor
Partnumber Manufacturer Quantity Availability
KST2222A-MTF,KST2222AMTF SAMSUNG, FAIRCHILD 8375 In Stock

Description and Introduction

NPN Epitaxial Silicon Transistor **Part Number:** KST2222A-MTF  
**Manufacturer:** FAIRCHILD  

### **Specifications:**  
- **Transistor Type:** NPN Bipolar Junction Transistor (BJT)  
- **Maximum Collector-Emitter Voltage (VCEO):** 40V  
- **Maximum Collector-Base Voltage (VCBO):** 60V  
- **Maximum Emitter-Base Voltage (VEBO):** 6V  
- **Continuous Collector Current (IC):** 600mA  
- **Total Power Dissipation (PD):** 350mW  
- **DC Current Gain (hFE):** 100 - 300 (at IC = 10mA, VCE = 1V)  
- **Transition Frequency (fT):** 250MHz  
- **Operating Temperature Range:** -55°C to +150°C  
- **Package Type:** SOT-23 (Surface Mount)  

### **Descriptions and Features:**  
- **General Purpose Transistor:** Suitable for amplification and switching applications.  
- **High Current Gain:** Provides efficient signal amplification.  
- **Low Saturation Voltage:** Enhances switching performance.  
- **Fast Switching Speed:** Ideal for high-frequency applications.  
- **Surface-Mount Package (SOT-23):** Compact and suitable for PCB designs.  
- **RoHS Compliant:** Meets environmental standards.  

This transistor is commonly used in audio amplifiers, signal processing circuits, and switching applications.

Application Scenarios & Design Considerations

NPN Epitaxial Silicon Transistor

Alternative Part Number

  • MMBT2222A --: Industry-standard NPN switching transistor with the same 40V/600mA ratings as the 2N2222A family, widely available and a direct functional replacement.
  • 2N2222A --: Classic through-hole NPN transistor with identical electrical characteristics; suitable if the board can accept a TO-92 package instead of SOT-23.
  • PN2222A --: Equivalent 40V NPN switching transistor in TO-92, offering the same gain and current ratings as a reliable second-source option.
  • BC337 --: NPN transistor with comparable 45V/800mA ratings and high gain, commonly used as a functional substitute in low-power switching circuits.

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