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SBT3904 from AUK

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SBT3904

Manufacturer: AUK

NPN Silicon Transistor
Partnumber Manufacturer Quantity Availability
SBT3904 AUK 5836 In Stock

Description and Introduction

NPN Silicon Transistor Part number **SBT3904** is manufactured by **AUK**.  

### **Specifications:**  
- **Type:** NPN Bipolar Junction Transistor (BJT)  
- **Package:** SOT-23 (Surface Mount)  
- **Collector-Emitter Voltage (VCE):** 40V  
- **Collector-Base Voltage (VCB):** 60V  
- **Emitter-Base Voltage (VEB):** 6V  
- **Collector Current (IC):** 200mA  
- **Power Dissipation (PD):** 350mW  
- **DC Current Gain (hFE):** 100 - 300  
- **Transition Frequency (fT):** 300MHz  
- **Operating Temperature Range:** -55°C to +150°C  

### **Descriptions and Features:**  
- General-purpose NPN transistor suitable for switching and amplification applications.  
- High current gain and fast switching speed.  
- Compact SOT-23 package for space-constrained designs.  
- Commonly used in signal amplification, driver circuits, and low-power switching.  

For exact datasheet details, refer to **AUK's official documentation**.

Application Scenarios & Design Considerations

NPN Silicon Transistor

Alternative Part Number

  • MMBT3904 --: Industry-standard NPN 40V 200mA small-signal transistor in SOT-23, electrically equivalent to the 3904 family and widely available.
  • 2N3904 --: Classic through-hole NPN 40V 200mA transistor with the same 3904 characteristics; suitable if leaded package is acceptable.
  • BC847B --: SOT-23 NPN small-signal transistor with comparable current gain and voltage ratings, a common cross for 3904-type parts.

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