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FZT1149A from ZETEX

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FZT1149A

Manufacturer: ZETEX

PNP SILICON PLANAR MEDIUM POWER HIGH GAIN TRANSISTOR

Partnumber Manufacturer Quantity Availability
FZT1149A ZETEX 32000 In Stock

Description and Introduction

PNP SILICON PLANAR MEDIUM POWER HIGH GAIN TRANSISTOR The part FZT1149A is manufactured by ZETEX (now part of Diodes Incorporated). It is a PNP medium power transistor designed for general-purpose amplifier and switching applications.  

Key specifications:  
- **Type**: PNP transistor  
- **Collector-Emitter Voltage (VCE)**: -100V  
- **Collector Current (IC)**: -1A  
- **Power Dissipation (Ptot)**: 1W  
- **DC Current Gain (hFE)**: 40 to 250 (depending on conditions)  
- **Transition Frequency (fT)**: 50MHz  
- **Package**: SOT223 (surface-mount)  

These are the factual specifications provided in the manufacturer's datasheet.

Partnumber Manufacturer Quantity Availability
FZT1149A N/A 51 In Stock

Description and Introduction

PNP SILICON PLANAR MEDIUM POWER HIGH GAIN TRANSISTOR The **FZT1149A** is a high-performance NPN bipolar junction transistor (BJT) designed for applications requiring fast switching and low saturation voltage. This small-signal transistor is commonly used in amplification, signal processing, and switching circuits, offering reliable performance in a compact package.  

With a collector-emitter voltage (VCE) rating of **20V** and a continuous collector current (IC) of **1A**, the FZT1149A is suitable for low- to medium-power applications. Its **high current gain (hFE)** ensures efficient signal amplification, while its **low saturation voltage** minimizes power loss during switching operations. The device features a **fast switching speed**, making it ideal for pulse and digital circuit designs.  

Encased in a **SOT-223** surface-mount package, the FZT1149A provides excellent thermal performance and is well-suited for automated PCB assembly. Its robust construction ensures stability across a wide operating temperature range, making it a dependable choice for industrial, automotive, and consumer electronics applications.  

Engineers and designers often select the FZT1149A for its balance of speed, efficiency, and compact form factor, making it a versatile component in modern electronic systems.

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