The Kemet T212A125K020DS is a tantalum electrolytic capacitor designed for high-performance applications requiring stable capacitance and low equivalent series resistance (ESR). The alphanumeric code indicates specific characteristics such as capacitance, voltage rating, tolerance, and case size.

Applications:

• Power supply filtering
• DC-DC converters
• Bypass capacitors
• Coupling capacitors
• Timing circuits
• Audio amplifiers
• Medical devices
• Aerospace applications

Features:

• High capacitance stability over temperature and voltage
• Low ESR for reduced power losses and improved ripple current handling
• High ripple current capability
• Small size for space-constrained applications
• Surface mount technology (SMT) for automated assembly
• RoHS compliant, ensuring environmental safety
• Lead-free termination
• Molded case for enhanced mechanical strength

Benefits:

• Improved power supply efficiency
• Reduced noise and ripple in power supplies
• Stable performance over a wide temperature range
• Long service life
• Reduced component count
• Compliance with environmental regulations

Additional Details:

The T212A125K020DS capacitor has a capacitance value of 1.25 microfarads (µF), a voltage rating of 20 volts (V), and a capacitance tolerance of ±10% (indicated by the 'K'). The 'DS' suffix likely denotes a specific case size or termination style within the T212 series. Tantalum capacitors are known for their volumetric efficiency, meaning they offer high capacitance values in a small package. However, they are also sensitive to reverse voltage and overvoltage conditions. It is crucial to ensure that the capacitor is operated within its specified voltage and current limits to prevent failure. Kemet is a leading manufacturer of tantalum capacitors, known for their high quality and reliability. Proper handling and soldering techniques are essential for ensuring reliable performance. Consulting the datasheet is critical for obtaining detailed electrical characteristics, dimensions, and recommended operating conditions. Derating the voltage rating is often recommended for increased reliability.