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KSA1156YS from FAIRCHIL,Fairchild Semiconductor

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KSA1156YS

Manufacturer: FAIRCHIL, FSC

PNP Silicon Transistor

Partnumber Manufacturer Quantity Availability
KSA1156YS FAIRCHIL, FSC 56000 In Stock

Description and Introduction

PNP Silicon Transistor Part **KSA1156YS** is a PNP Epitaxial Planar Transistor manufactured by **Fairchild Semiconductor (FSC)**.  

### **Specifications:**  
- **Type:** PNP Transistor  
- **Package:** TO-92  
- **Collector-Base Voltage (VCBO):** -50V  
- **Collector-Emitter Voltage (VCEO):** -50V  
- **Emitter-Base Voltage (VEBO):** -5V  
- **Collector Current (IC):** -500mA  
- **Total Power Dissipation (PTOT):** 625mW  
- **DC Current Gain (hFE):** 60-320 (at IC = -150mA, VCE = -1V)  
- **Transition Frequency (fT):** 150MHz (Typical)  
- **Operating Temperature Range:** -55°C to +150°C  

### **Descriptions & Features:**  
- Designed for general-purpose amplification and switching applications.  
- High current gain (hFE) with low saturation voltage.  
- Suitable for low-power and medium-speed switching circuits.  
- Epitaxial planar construction ensures reliability and performance.  
- Compact TO-92 package for easy PCB mounting.  

This transistor is commonly used in audio amplifiers, signal processing, and driver stages.

Application Scenarios & Design Considerations

PNP Silicon Transistor

Alternative Part Number

  • 2SA1156 --: PNP transistor in the same 2SA series with comparable voltage and current ratings, widely available and pin-compatible.
  • BC556 --: General-purpose PNP transistor with similar low-power switching characteristics, suitable for many replacement applications.
  • MPSA56 --: Common PNP amplifier/switch transistor with adequate voltage and current ratings for general replacement use.
  • MJE172 --: PNP power transistor with comparable Vceo and current capability, suitable for switching and amplifier applications where the original is used.
  • BD140 --: Popular PNP medium-power transistor with similar ratings, easy to source and commonly used as a replacement in driver and amplifier stages.

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