2SC4138Manufacturer: SK Silicon NPN Triple Diffused Planar Transistor(Switching Regulator and General Purpose) | |||
| Partnumber | Manufacturer | Quantity | Availability |
|---|---|---|---|
| 2SC4138 | SK | 1200 | In Stock |
Description and Introduction
Silicon NPN Triple Diffused Planar Transistor(Switching Regulator and General Purpose) The 2SC4138 is a high-frequency transistor manufactured by SK (Semikron). Here are the key specifications:
- **Type**: NPN Silicon Epitaxial Planar Transistor These specifications are typical for the 2SC4138 transistor and are intended for use in high-frequency amplification and switching applications. |
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Application Scenarios & Design Considerations
Silicon NPN Triple Diffused Planar Transistor(Switching Regulator and General Purpose) # Technical Documentation: 2SC4138 NPN Silicon Transistor
 Manufacturer : SK --- ## 1. Application Scenarios ### Typical Use Cases -  VHF/UHF Amplifier Stages : Excellent performance in 30-300 MHz (VHF) and 300 MHz-3 GHz (UHF) ranges ### Industry Applications ### Practical Advantages and Limitations  Advantages:   Limitations:  --- ## 2. Design Considerations ### Common Design Pitfalls and Solutions  Thermal Management Issues:   Oscillation Problems:   Impedance Mismatch:  ### Compatibility Issues with Other Components  Biasing Components:   Matching Networks:   Power Supply Considerations:  ### PCB Layout Recommendations  RF Section Layout:   Component Placement:   Grounding Strategy:   Thermal Management:  --- ## 3. Technical Specifications ### Key Parameter Explanations  Absolute Maximum Ratings:  |
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| Partnumber | Manufacturer | Quantity | Availability |
| 2SC4138 | 150 | In Stock | |
Description and Introduction
Silicon NPN Triple Diffused Planar Transistor(Switching Regulator and General Purpose) The 2SC4138 is a high-frequency, high-speed switching transistor manufactured by Toshiba. It is an NPN silicon epitaxial planar type transistor designed for use in RF amplifiers and oscillators. Key specifications include:
- **Collector-Base Voltage (VCBO):** 30V These specifications make the 2SC4138 suitable for applications in VHF/UHF bands, such as in mobile communication devices and other high-frequency circuits. |
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Application Scenarios & Design Considerations
Silicon NPN Triple Diffused Planar Transistor(Switching Regulator and General Purpose) # Technical Documentation: 2SC4138 NPN Bipolar Junction Transistor
## 1. Application Scenarios ### Typical Use Cases -  Low-noise amplifiers (LNA)  in receiver front-ends ### Industry Applications  Consumer Electronics:   Industrial Applications:  ### Practical Advantages and Limitations  Advantages:   Limitations:  ## 2. Design Considerations ### Common Design Pitfalls and Solutions  Thermal Management Issues:   Oscillation Problems:   Impedance Mismatch:  ### Compatibility Issues with Other Components  Bias Network Components:   Matching Networks:   Power Supply Requirements:  ### PCB Layout Recommendations  RF Signal Routing:   Grounding Strategy:   Component Placement:    |
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