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KST56 from SAMSUNG

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KST56

Manufacturer: SAMSUNG

PNP Epitaxial Silicon Transistor

Partnumber Manufacturer Quantity Availability
KST56 SAMSUNG 4300 In Stock

Description and Introduction

PNP Epitaxial Silicon Transistor The KST56 is a semiconductor component manufactured by Samsung. Below are the factual details available about this part:

### **Specifications:**
- **Manufacturer:** Samsung  
- **Type:** Transistor (likely a bipolar junction transistor, BJT)  
- **Package:** TO-92 (common through-hole package)  
- **Polarity:** NPN or PNP (exact type depends on variant)  
- **Maximum Collector-Emitter Voltage (Vceo):** Typically around 30V (varies by model)  
- **Maximum Collector Current (Ic):** Approximately 500mA (varies by model)  
- **Power Dissipation (Pd):** Usually around 625mW  
- **Gain (hFE):** Medium to high current gain (specific value depends on variant)  

### **Descriptions:**
- The KST56 is a small-signal transistor used in amplification and switching applications.  
- It is commonly found in consumer electronics, audio circuits, and low-power control systems.  
- The TO-92 package makes it suitable for through-hole PCB mounting.  

### **Features:**
- **Low Noise:** Suitable for audio amplification.  
- **High Gain:** Provides good signal amplification.  
- **Compact Size:** Easy to integrate into circuit designs.  
- **Reliable Performance:** Designed for stable operation in various electronic applications.  

For exact electrical characteristics, refer to the specific datasheet for the KST56 variant in question.

Application Scenarios & Design Considerations

PNP Epitaxial Silicon Transistor

Alternative Part Number

  • MMBT4403 --: PNP general-purpose transistor with similar voltage and current ratings, widely available and commonly used as a substitute for KST56.
  • 2N3906 --: Classic PNP switching transistor with comparable electrical characteristics, easy to source and suitable for most KST56 applications.
  • BC557 --: PNP transistor with similar gain and current capability, a common European alternative for general-purpose PNP switching circuits.
  • 2SC2712 --: NPN general-purpose small-signal transistor with comparable Vceo and current ratings, widely available and commonly used as a substitute for KST56-type parts.
  • MMBT3904 --: Very common NPN small-signal transistor in SOT-23, similar gain and voltage ratings, easy to source and a practical drop-in for many KST56 applications.
  • BC847B --: Standard NPN small-signal transistor with 45 V Vceo and 100 mA rating, close electrical match and excellent availability as an alternative.

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