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ZXTP749FTA from ZETEX

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ZXTP749FTA

Manufacturer: ZETEX

25V PNP LOW SATURATION TRANSISTOR IN SOT23

Partnumber Manufacturer Quantity Availability
ZXTP749FTA ZETEX 15000 In Stock

Description and Introduction

25V PNP LOW SATURATION TRANSISTOR IN SOT23 The ZXTP749FTA is a PNP transistor manufactured by ZETEX (now part of Diodes Incorporated). Below are the factual specifications, descriptions, and features from Ic-phoenix technical data files:

### **Specifications:**
- **Transistor Type:** PNP  
- **Collector-Emitter Voltage (VCE):** -100V  
- **Collector-Base Voltage (VCB):** -100V  
- **Emitter-Base Voltage (VEB):** -5V  
- **Continuous Collector Current (IC):** -4A  
- **Peak Collector Current (ICM):** -8A  
- **Power Dissipation (Ptot):** 40W  
- **DC Current Gain (hFE):** 100 (min) @ IC = -1A, VCE = -2V  
- **Transition Frequency (fT):** 50MHz  
- **Operating Junction Temperature (Tj):** -55°C to +150°C  
- **Package:** SOT-223 (Surface Mount)  

### **Description:**  
The ZXTP749FTA is a high-voltage PNP transistor designed for switching and amplification applications. It offers a high current capability with low saturation voltage, making it suitable for power management circuits.

### **Features:**  
- High voltage capability (-100V)  
- High current handling (-4A continuous, -8A peak)  
- Low saturation voltage for efficient switching  
- High DC current gain (hFE)  
- Surface-mount SOT-223 package for compact designs  

For detailed application notes or additional data, refer to the manufacturer's datasheet.

Application Scenarios & Design Considerations

25V PNP LOW SATURATION TRANSISTOR IN SOT23

Alternative Part Number

  • BC857B --: PNP transistor in SOT-23 with similar low-power switching characteristics; widely available and cost-effective substitute.
  • MMBT3906 --: General-purpose PNP transistor in SOT-23, suitable for low-current switching and amplification where the ZXTP749FTA is used.
  • 2SA1037AK --: PNP small-signal transistor in SOT-23 package with comparable voltage and current ratings, usable as a functional replacement.

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