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KSH112 from FAIRCHIL,Fairchild Semiconductor

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KSH112

Manufacturer: FAIRCHIL

NPN Silicon Darlington Transistor

Partnumber Manufacturer Quantity Availability
KSH112 FAIRCHIL 25200 In Stock

Description and Introduction

NPN Silicon Darlington Transistor The part **KSH112** is manufactured by **FAIRCHILD**. Below are the factual specifications, descriptions, and features based on available information:  

### **Specifications:**  
- **Manufacturer:** FAIRCHILD (now part of ON Semiconductor)  
- **Part Number:** KSH112  
- **Type:** NPN Silicon Transistor  
- **Package:** TO-92 (Plastic Encapsulation)  
- **Maximum Collector-Emitter Voltage (Vceo):** 30V  
- **Maximum Collector Current (Ic):** 50mA  
- **Power Dissipation (Pd):** 625mW  
- **DC Current Gain (hFE):** 100 (minimum)  
- **Transition Frequency (fT):** 250MHz (typical)  
- **Operating Temperature Range:** -55°C to +150°C  

### **Description:**  
The **KSH112** is a general-purpose NPN bipolar junction transistor (BJT) designed for low-power amplification and switching applications. It is commonly used in signal processing, RF stages, and small-signal circuits.  

### **Features:**  
- High current gain (hFE) for improved signal amplification  
- Low noise performance suitable for audio and RF applications  
- Compact TO-92 package for easy PCB mounting  
- Reliable performance across a wide temperature range  

This information is based on the manufacturer's datasheet and technical documentation. For detailed electrical characteristics, refer to the official FAIRCHILD (ON Semiconductor) datasheet.

Application Scenarios & Design Considerations

NPN Silicon Darlington Transistor

Alternative Part Number

  • TIP112 --: NPN Darlington transistor with built-in base-emitter resistor and collector-emitter diode, same TO-220 package and similar ratings, widely available and a direct functional replacement.
  • MJD112 --: NPN Darlington transistor in DPAK/TO-252 package with comparable current and voltage ratings; suitable when a surface-mount equivalent is acceptable.
  • BDX33C --: NPN Darlington power transistor in TO-220 with integrated base-emitter resistors, similar switching characteristics and voltage rating, usable as a general replacement.

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