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KTA1666 from KEC

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KTA1666

Manufacturer: KEC, 长电

EPITAXIAL PLANAR PNP TRANSISTOR (POWER AMPLIFIER, POWER SWITCHING)

Partnumber Manufacturer Quantity Availability
KTA1666 KEC, 长电 10910 In Stock

Description and Introduction

EPITAXIAL PLANAR PNP TRANSISTOR (POWER AMPLIFIER, POWER SWITCHING) The part **KTA1666** is manufactured by **长电 (Changjiang Electronics Technology, CJT)**. Below are the specifications, descriptions, and features based on available information:

### **Specifications:**
- **Type:** PNP Epitaxial Planar Transistor  
- **Package:** SOT-23  
- **Collector-Emitter Voltage (VCEO):** -50V  
- **Collector-Base Voltage (VCBO):** -60V  
- **Emitter-Base Voltage (VEBO):** -5V  
- **Collector Current (IC):** -1.5A  
- **Power Dissipation (Pd):** 0.3W  
- **Junction Temperature (Tj):** 150°C  
- **Storage Temperature (Tstg):** -55°C to +150°C  

### **Description:**
The **KTA1666** is a **PNP silicon transistor** designed for general-purpose amplification and switching applications. It is housed in a **SOT-23** surface-mount package, making it suitable for compact electronic designs.

### **Features:**
- **High current capability** (up to 1.5A)  
- **Low saturation voltage** for efficient switching  
- **Epitaxial planar construction** for improved performance  
- **Small form factor (SOT-23)** for space-constrained applications  

For detailed electrical characteristics and application notes, refer to the official datasheet from **长电 (CJT)**.

Application Scenarios & Design Considerations

EPITAXIAL PLANAR PNP TRANSISTOR (POWER AMPLIFIER, POWER SWITCHING)

Alternative Part Number

  • 2SA1037 --: PNP transistor with comparable voltage and current ratings, widely available and commonly used as a general-purpose replacement.
  • BC807 --: SOT-23 PNP transistor with similar current gain and voltage characteristics, suitable for general switching and amplification.
  • MMBT3906 --: Popular PNP small-signal transistor with similar ratings, easy to source and often used as a cross-reference for KTA-series parts.
  • 2SA1037AK --: PNP transistor with comparable voltage and current ratings, widely available and commonly used as a general-purpose replacement for KTA1666 in switching and amplifier circuits.
  • BC857B --: Popular PNP small-signal transistor with similar current gain and voltage ratings, suitable for low-power switching and amplification applications.

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