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SS8550C

Manufacturer: FSC

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

Partnumber Manufacturer Quantity Availability
SS8550C FSC 21359 In Stock

Description and Introduction

2W Output Amplifier of Portable Radios in Class B Push-pull Operation. The SS8550C is a PNP bipolar junction transistor (BJT) manufactured by various semiconductor companies. Below are its key specifications, descriptions, and features based on standard industry 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 (maximum)  
- **Power Dissipation (Ptot):** 1W  
- **DC Current Gain (hFE):** 85 to 300 (varies by manufacturer)  
- **Transition Frequency (fT):** 100MHz (typical)  
- **Operating Temperature Range:** -55°C to +150°C  

### **Description:**  
The SS8550C is a general-purpose PNP transistor commonly used in amplification and switching applications. It is housed in a **TO-92** package, making it suitable for low-power circuits.  

### **Features:**  
- High current gain (hFE) for efficient signal amplification.  
- Low saturation voltage for improved switching performance.  
- Suitable for driver stages, audio amplification, and power management circuits.  
- Compact and cost-effective.  

For exact parameters, always refer to the datasheet from the specific manufacturer.

Application Scenarios & Design Considerations

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

Alternative Part Number

  • 2SA1015 --: PNP general-purpose transistor with similar current and voltage ratings, widely used as a substitute for SS8550 in low-power amplifier and switching circuits.
  • BC327 --: PNP transistor rated around 45V/800mA, close to SS8550C specs, suitable for general switching and amplification applications.
  • 2N3906 --: Common PNP small-signal transistor with lower current rating but adequate for many low-power circuits where SS8550C is used.
  • BC857C --: PNP general-purpose transistor with comparable current and voltage ratings, widely available and pin-compatible in SOT-23.
  • 2SA1037AK --: PNP small-signal transistor suitable for switching and amplification, similar electrical characteristics to the SS8550C.
  • MMBT3906 --: Common PNP switching transistor in SOT-23, a practical substitute for low-power general-purpose applications.

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