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KSR2001 from Fairchild,Fairchild Semiconductor

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KSR2001

Manufacturer: Fairchild, FSC

PNP (SWITCHING APPLICATION)

Partnumber Manufacturer Quantity Availability
KSR2001 Fairchild, FSC 37320 In Stock

Description and Introduction

PNP (SWITCHING APPLICATION) **KSR2001 Manufacturer: Fairchild**  

**Specifications:**  
- **Type:** N-Channel Logic Level Enhancement Mode Field Effect Transistor (FET)  
- **Drain-Source Voltage (VDSS):** 60V  
- **Gate-Source Voltage (VGS):** ±20V  
- **Continuous Drain Current (ID):** 0.5A  
- **Power Dissipation (PD):** 1.0W  
- **On-Resistance (RDS(on)):** 5Ω (max) at VGS = 10V, ID = 0.5A  
- **Threshold Voltage (VGS(th)):** 1.0V to 2.5V  
- **Input Capacitance (Ciss):** 30pF (typical)  
- **Operating Temperature Range:** -55°C to +150°C  
- **Package:** TO-92  

**Descriptions and Features:**  
- Designed for low-voltage, high-speed switching applications.  
- Suitable for logic-level control due to low threshold voltage.  
- Low on-resistance for efficient power handling.  
- Fast switching performance.  
- Used in power management, load switching, and amplification circuits.  

(Note: Fairchild Semiconductor was acquired by ON Semiconductor in 2016.)

Application Scenarios & Design Considerations

PNP (SWITCHING APPLICATION)

Alternative Part Number

  • 2N3904 --: General-purpose NPN small-signal transistor in TO-92, widely used as a functional substitute for the KSR2001 in low-current switching and amplification circuits.
  • BC547 --: Popular NPN bipolar transistor with similar small-signal switching characteristics and TO-92 package, suitable for general-purpose replacement.
  • MMBT3904 --: SMD version of the 2N3904 NPN transistor offering comparable electrical performance for space-constrained designs replacing the KSR2001.

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