The T491B335K020AS is a surface mount, solid tantalum capacitor from Kemet’s T491 series. This capacitor is designed for general purpose applications that require a stable and reliable capacitor, especially at a 20V rating. These capacitors are known for their small size, robust construction, and reliable electrical characteristics.

Applications

• Decoupling in digital circuits
• Filtering in power supplies
• General purpose applications in commercial and industrial electronics
• Use in portable electronic devices
• Telecommunications equipment

Features

• Surface mount design for automated assembly
• Solid tantalum capacitor
• Molded case for protection
• Stable electrical performance over temperature
• RoHS compliant
• Available in various case sizes and voltage ratings

Benefits

• Small size allows for high-density circuit board designs
• Reliable performance ensures long operational life
• Stable capacitance and ESR (Equivalent Series Resistance) minimizes circuit performance variations over temperature
• Suitable for high-volume automated assembly, reducing manufacturing costs
• Environmentally friendly due to RoHS compliance

Specifications

The T491B335K020AS has the following specifications:

• Capacitance: 3.3µF
• Voltage Rating: 20V
• Tolerance: ±10%
• ESR (Equivalent Series Resistance): 5 Ohms (typical at 100kHz)
• Operating Temperature Range: -55°C to +125°C
• Case Code: B
• Termination: SnPb (Tin-Lead)

This capacitor is used in applications where a stable capacitance is needed in a compact, surface-mount package. The solid tantalum construction ensures excellent long-term stability and reliability, making it well-suited for use in various electronic systems. The device is marked with the capacitance and voltage rating for easy identification and is designed for reflow soldering per IPC/JEDEC J-STD-020.