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TN2219A from FSC,Fairchild Semiconductor

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TN2219A

Manufacturer: FSC, Fairchild

Leaded Small Signal Transistor General Purpose
Partnumber Manufacturer Quantity Availability
TN2219A FSC, Fairchild 33949 In Stock

Description and Introduction

Leaded Small Signal Transistor General Purpose **Manufacturer:** Fairchild Semiconductor  

**Part Number:** TN2219A  

### **Specifications:**  
- **Type:** NPN Bipolar Junction Transistor (BJT)  
- **Package:** SOT-23 (Surface Mount)  
- **Polarity:** NPN  
- **Maximum Collector-Emitter Voltage (VCEO):** 40V  
- **Maximum Collector Current (IC):** 600mA  
- **Power Dissipation (PD):** 225mW  
- **DC Current Gain (hFE):** 100 - 300 (typical)  
- **Transition Frequency (fT):** 250MHz (typical)  
- **Operating Temperature Range:** -55°C to +150°C  

### **Descriptions and Features:**  
- Designed for general-purpose amplification and switching applications.  
- High current gain and fast switching speed.  
- Low saturation voltage for improved efficiency.  
- Suitable for surface-mount PCB designs.  
- Commonly used in consumer electronics, signal amplification, and driver circuits.  

(Note: Specifications are based on Fairchild Semiconductor's datasheet for TN2219A.)

Application Scenarios & Design Considerations

Leaded Small Signal Transistor General Purpose

Alternative Part Number

  • 2N2219A --: Industry-standard NPN switching transistor with nearly identical Vceo, Ic and gain specs; widely available and pin-compatible.
  • 2N2222A --: Very common NPN general-purpose transistor with similar voltage and current ratings, suitable drop-in for most TN2219A applications.
  • PN2222A --: Plastic TO-92 version of the 2N2222A with comparable electrical characteristics and lower cost, good alternative when package style allows.
  • PN2219 --: PN-series NPN small-signal transistor equivalent to the 2N2219A family, suitable for switching and amplifier applications.
  • MPS2219 --: MPS-series NPN transistor with comparable Vceo, current and power ratings, usable as a functional replacement.

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