The PWC2010-121RFI is a thick film chip resistor manufactured by TT Electronics. Part of their PWC series, these resistors are designed for high power applications and offer excellent pulse withstanding performance. They are commonly used in power supplies, motor drives, and other applications where high surge currents are present.

Applications:

• Power supplies
• Motor drives
• Inrush current limiting
• Surge protection circuits
• Automotive electronics
• LED lighting

Features:

• High power rating
• Excellent pulse withstanding performance
• Thick film technology
• Small size
• RoHS compliant
• Wide resistance range available

Benefits:

• Handles high surge currents without failure.
• Provides reliable performance in demanding applications.
• Enables compact designs.
• Meets environmental regulations.
• Offers flexibility in design with a variety of resistance values.
• Reduces the need for larger, more expensive components.

Additional Details:

The PWC2010-121RFI resistor has a 2010 case size (2.0mm x 1.0mm). The resistance value for this specific part is 121 Ohms. The "RFI" at the end likely denotes a specific tolerance or packaging option. The thick film construction provides a robust and reliable resistive element capable of withstanding high power dissipation and pulse loads.

Key specifications typically include:

• Resistance Value: 121 Ohms
• Tolerance: Typically ±1% or ±5%
• Power Rating: Typically 0.75W or higher
• Maximum Pulse Load: Varies depending on pulse duration and waveform
• Operating Temperature Range: -55°C to +155°C

TT Electronics is a reputable manufacturer of passive components, and the PWC2010-121RFI resistor is a reliable choice for applications requiring high power and pulse withstanding capabilities. Its compact size and robust construction make it suitable for a wide range of demanding applications.