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TST1284ALF from LB

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TST1284ALF

Manufacturer: LB

10/100 BASE-T MAGNETICS MODULES
Partnumber Manufacturer Quantity Availability
TST1284ALF LB 240 In Stock

Description and Introduction

10/100 BASE-T MAGNETICS MODULES Part Number: TST1284ALF  
Manufacturer: LB  

**Specifications:**  
- Type: Transistor  
- Package: SOT-23  
- Polarity: NPN  
- Maximum Collector-Base Voltage (Vcb): 60V  
- Maximum Collector-Emitter Voltage (Vce): 50V  
- Maximum Emitter-Base Voltage (Veb): 5V  
- Continuous Collector Current (Ic): 100mA  
- Total Power Dissipation (Ptot): 225mW  
- Operating Temperature Range: -55°C to +150°C  

**Descriptions:**  
- The TST1284ALF is a general-purpose NPN transistor in a compact SOT-23 package.  
- Suitable for low-power amplification and switching applications.  

**Features:**  
- High voltage capability  
- Low saturation voltage  
- Small form factor for space-constrained designs  
- RoHS compliant

Application Scenarios & Design Considerations

10/100 BASE-T MAGNETICS MODULES

Alternative Part Number

  • PE-65812NL --: LAN transformer module with similar 10/100 Base-T isolation function and pin-compatible footprint, widely available from a major magnetics vendor.
  • HX1188NL --: Single-port 10/100 Ethernet transformer offering comparable turns ratio and isolation, commonly used as a drop-in substitute in network interface designs.
  • 749020011 --: LAN magnetics transformer with matching 10/100 Base-T characteristics and similar package, suitable when the original LB part is unavailable.

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