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KRC109M from KEC

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KRC109M

Manufacturer: KEC

EPITAXIAL PLANAR PNP TRANSISTOR (SWITCHING, INTERFACE CIRCUIT AND DRIVER CIRCUIT)

Partnumber Manufacturer Quantity Availability
KRC109M KEC 118000 In Stock

Description and Introduction

EPITAXIAL PLANAR PNP TRANSISTOR (SWITCHING, INTERFACE CIRCUIT AND DRIVER CIRCUIT) The part **KRC109M** is manufactured by **KEC (Korea Electronics Company)**.  

### **Specifications:**  
- **Type:** Transistor  
- **Category:** Bipolar Junction Transistor (BJT)  
- **Polarity:** NPN  
- **Maximum Collector-Emitter Voltage (Vceo):** 50V  
- **Maximum Collector Current (Ic):** 150mA  
- **Maximum Power Dissipation (Pd):** 300mW  
- **DC Current Gain (hFE):** 100-300  
- **Transition Frequency (fT):** 250MHz  
- **Package:** SOT-23 (Surface Mount)  

### **Descriptions & Features:**  
- **High current gain (hFE)** for amplification applications.  
- **Low saturation voltage**, making it suitable for switching applications.  
- **Compact SOT-23 package**, ideal for space-constrained PCB designs.  
- **High transition frequency (fT)**, enabling use in RF and high-frequency circuits.  
- **Reliable performance** in general-purpose amplification and switching circuits.  

This transistor is commonly used in **audio amplifiers, signal processing, and low-power switching circuits**.  

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Application Scenarios & Design Considerations

EPITAXIAL PLANAR PNP TRANSISTOR (SWITCHING, INTERFACE CIRCUIT AND DRIVER CIRCUIT)

Alternative Part Number

  • DTC114EK --: NPN digital transistor with built-in 10k base and 10k emitter resistors, functionally equivalent to the KRC109M and widely available.
  • UN2211 --: NPN resistor-equipped transistor with 10k/10k bias resistors, a direct functional replacement for the KRC109M.
  • MMUN2211LT1G --: NPN digital transistor with 10k/10k resistor network, suitable drop-in alternative with good availability.

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