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SS8550DTA from N/A

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SS8550DTA

Manufacturer: N/A, FAIRCHILD

PNP Epitaxial Silicon Transistor

Partnumber Manufacturer Quantity Availability
SS8550DTA N/A, FAIRCHILD 5240 In Stock

Description and Introduction

PNP Epitaxial Silicon Transistor The SS8550DTA is a PNP bipolar junction transistor (BJT) manufactured by **FAIRCHILD Semiconductor**. Below are its key specifications, descriptions, and features based on available data:

### **Specifications:**  
- **Transistor Type:** PNP  
- **Collector-Base Voltage (VCBO):** -30V  
- **Collector-Emitter Voltage (VCEO):** -25V  
- **Emitter-Base Voltage (VEBO):** -5V  
- **Collector Current (IC):** -1.5A (continuous)  
- **Total Power Dissipation (Ptot):** 1W  
- **DC Current Gain (hFE):** 85–160 (at IC = -500mA, VCE = -1V)  
- **Transition Frequency (fT):** 100MHz (typical)  
- **Operating Temperature Range:** -55°C to +150°C  

### **Descriptions:**  
- Designed for general-purpose amplification and switching applications.  
- Encapsulated in a **TO-92** package (SS8550DTA variant).  
- Suitable for low-power circuits, audio amplification, and driver stages.  

### **Features:**  
- High current capability (up to -1.5A).  
- Low saturation voltage for efficient switching.  
- Complementary NPN pair: **SS8050DTA**.  
- RoHS compliant (lead-free).  

For exact performance under specific conditions, refer to the **official Fairchild datasheet**.

Application Scenarios & Design Considerations

PNP Epitaxial Silicon Transistor

Alternative Part Number

  • BC857B --: PNP general-purpose transistor with comparable current and voltage ratings, widely available and a common substitute for SS8550 in low-power switching and amplification.
  • 2SA1037AK --: PNP transistor in a similar SOT-23 package with matching polarity and gain characteristics, suitable for small-signal switching applications.
  • MMBT3906 --: Popular PNP switching transistor in SOT-23 with adequate voltage and current ratings, often used as a drop-in alternative for general-purpose PNP parts.
  • 2SA1015 --: Popular PNP transistor with similar Vceo and current capability, frequently used as a drop-in replacement for SS8550 in audio and general switching circuits.

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