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ZTX500 from ZETEX

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ZTX500

Manufacturer: ZETEX

PNP SILICON PLANAR SMALL SIGNAL TRANSISTOR

Partnumber Manufacturer Quantity Availability
ZTX500 ZETEX 434 In Stock

Description and Introduction

PNP SILICON PLANAR SMALL SIGNAL TRANSISTOR The ZTX500 is a high-voltage NPN bipolar junction transistor (BJT) manufactured by ZETEX (now part of Diodes Incorporated).  

### **Specifications:**  
- **Collector-Emitter Voltage (VCE):** 400V  
- **Collector-Base Voltage (VCB):** 400V  
- **Emitter-Base Voltage (VEB):** 5V  
- **Collector Current (IC):** 500mA  
- **Power Dissipation (Ptot):** 1W  
- **DC Current Gain (hFE):** 40 to 250 (at IC = 10mA, VCE = 10V)  
- **Transition Frequency (fT):** 50MHz  
- **Operating Temperature Range:** -55°C to +150°C  
- **Package:** TO-92  

### **Descriptions and Features:**  
- Designed for high-voltage switching and amplification applications.  
- Low saturation voltage for improved efficiency.  
- Suitable for use in power supplies, inverters, and high-voltage circuits.  
- High current gain with a wide range (40–250).  
- Robust performance in harsh environments due to a wide operating temperature range.  

For exact parameters, refer to the official datasheet from Diodes Incorporated (formerly ZETEX).

Application Scenarios & Design Considerations

PNP SILICON PLANAR SMALL SIGNAL TRANSISTOR

Alternative Part Number

  • 2N3904 --: Widely available general-purpose NPN transistor suitable for low-power switching and amplification, a common substitute for the ZTX500 in many circuits.
  • BC547 --: Popular low-noise NPN transistor with similar small-signal characteristics, easy to source and often used where the ZTX500 is specified.
  • 2N2222A --: Robust general-purpose NPN transistor with higher current capability, a practical drop-in alternative for many ZTX500 applications.

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