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S9018 from /ON,ON Semiconductor

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S9018

Manufacturer: /ON

AM/FM Amplifier / Local Oscillator of FM/VHF Tuner

Partnumber Manufacturer Quantity Availability
S9018 /ON 30000 In Stock

Description and Introduction

AM/FM Amplifier / Local Oscillator of FM/VHF Tuner The part **S9018** is a general-purpose NPN transistor commonly used in amplification and switching applications.  

### **Manufacturer / ON Specifications**  
- **Manufacturer:** ON Semiconductor (formerly part of Motorola Semiconductor)  
- **Type:** NPN Bipolar Junction Transistor (BJT)  
- **Package:** TO-92 (through-hole)  
- **Maximum Ratings:**  
  - **Collector-Base Voltage (VCBO):** 30V  
  - **Collector-Emitter Voltage (VCEO):** 25V  
  - **Emitter-Base Voltage (VEBO):** 5V  
  - **Collector Current (IC):** 100mA  
  - **Total Power Dissipation (PD):** 625mW  
- **Electrical Characteristics:**  
  - **DC Current Gain (hFE):** 60 to 300 (depending on operating conditions)  
  - **Transition Frequency (fT):** ~150MHz  

### **Descriptions and Features**  
- Designed for low-power amplification and switching.  
- Suitable for general-purpose applications in consumer electronics, signal processing, and driver circuits.  
- High current gain (hFE) for efficient signal amplification.  
- Compact TO-92 package for easy PCB mounting.  

For exact specifications, refer to the **ON Semiconductor datasheet** for **S9018**.

Application Scenarios & Design Considerations

AM/FM Amplifier / Local Oscillator of FM/VHF Tuner

Alternative Part Number

  • 2N3904 --: Widely available NPN general-purpose transistor with similar small-signal switching and amplification characteristics, often used as a direct substitute for S9018.
  • BC547 --: Standard NPN small-signal transistor with comparable current gain and voltage ratings, suitable for low-power amplification and switching applications.
  • MMBT3904 --: SMD version of the 2N3904 with similar electrical performance, useful when a surface-mount alternative to the through-hole S9018 is needed.

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