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KSR1202 from FAIRCHILD,Fairchild Semiconductor

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KSR1202

Manufacturer: FAIRCHILD, FSC

NPN (SWITCHING APPLICATION)

Partnumber Manufacturer Quantity Availability
KSR1202 FAIRCHILD, FSC 3800 In Stock

Description and Introduction

NPN (SWITCHING APPLICATION) **Part Number:** KSR1202  
**Manufacturer:** FAIRCHILD  

### **Specifications:**  
- **Type:** N-Channel MOSFET  
- **Drain-Source Voltage (VDSS):** 60V  
- **Continuous Drain Current (ID):** 12A  
- **Pulsed Drain Current (IDM):** 48A  
- **Power Dissipation (PD):** 40W  
- **Gate-Source Voltage (VGS):** ±20V  
- **On-Resistance (RDS(on)):** 0.12Ω (max) at VGS = 10V  
- **Threshold Voltage (VGS(th)):** 2V to 4V  
- **Input Capacitance (Ciss):** 600pF (typ)  
- **Output Capacitance (Coss):** 200pF (typ)  
- **Reverse Transfer Capacitance (Crss):** 50pF (typ)  
- **Turn-On Delay Time (td(on)):** 10ns (typ)  
- **Turn-Off Delay Time (td(off)):** 35ns (typ)  
- **Operating Temperature Range:** -55°C to +150°C  

### **Description:**  
The KSR1202 is an N-Channel MOSFET designed for high-efficiency switching applications. It features low on-resistance and fast switching speeds, making it suitable for power management, motor control, and DC-DC converters.  

### **Features:**  
- Low on-resistance (RDS(on)) for reduced conduction losses  
- Fast switching performance  
- High current handling capability  
- Robust thermal performance  
- Suitable for surface-mount applications (TO-252/DPAK package)  

(Note: FAIRCHILD is a known manufacturer, but ensure correct spelling as "FAIRCHILD" or "Fairchild Semiconductor" for verification.)

Application Scenarios & Design Considerations

NPN (SWITCHING APPLICATION)

Alternative Part Number

  • 2N3904 --: General-purpose NPN transistor in TO-92, widely available and functionally similar to the KSR1202 for low-current switching applications.
  • BC547 --: Popular NPN bipolar transistor with comparable voltage and current ratings, suitable as a drop-in replacement in most switching circuits.
  • MMBT3904 --: SMD NPN transistor equivalent to 2N3904, offering similar electrical characteristics for space-constrained designs.

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