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SS8550D from FSC,Fairchild Semiconductor

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SS8550D

Manufacturer: FSC, Taiwan

2W Output Amplifier of Portable Radios in Class B Push-pull Operation.
Partnumber Manufacturer Quantity Availability
SS8550D FSC, Taiwan 51984 In Stock

Description and Introduction

2W Output Amplifier of Portable Radios in Class B Push-pull Operation. The SS8550D is a PNP bipolar junction transistor (BJT) manufactured in Taiwan.  

### **Specifications:**  
- **Transistor Type:** PNP  
- **Maximum Collector-Emitter Voltage (VCE):** -25V  
- **Maximum Collector-Base Voltage (VCB):** -40V  
- **Maximum Emitter-Base Voltage (VEB):** -5V  
- **Maximum Collector Current (IC):** -1.5A  
- **Power Dissipation (PD):** 1W  
- **DC Current Gain (hFE):** 85–300 (varies by batch)  
- **Operating Temperature Range:** -55°C to +150°C  
- **Package Type:** SOT-23  

### **Descriptions and Features:**  
- Designed for general-purpose amplification and switching applications.  
- High current gain and low saturation voltage.  
- Suitable for low-power circuits and driver stages.  
- Compact SOT-23 package for space-constrained designs.  
- Commonly used in audio amplifiers, signal processing, and power management circuits.  

The manufacturer is based in Taiwan, but specific branding details may vary.

Application Scenarios & Design Considerations

2W Output Amplifier of Portable Radios in Class B Push-pull Operation.

Alternative Part Number

  • BC857 --: PNP general-purpose transistor with similar current and voltage ratings, widely available and commonly used as a substitute for SS8550 in low-power switching and amplification.
  • 2SA1015 --: PNP transistor with comparable voltage and current capability, frequently used as an alternative in audio and general switching circuits.
  • MMBT8550 --: PNP transistor in SOT-23 package with similar electrical characteristics, suitable for surface-mount replacement where package compatibility allows.
  • BC807-40 --: PNP transistor with similar current gain and voltage ratings, widely available and pin-compatible in SOT-23.
  • MMBT3906 --: Common PNP switching transistor with comparable Vceo and Ic, suitable for general-purpose replacement.
  • 2SA1037 --: PNP transistor in SOT-23 with similar electrical characteristics, good alternative for low-power switching.

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