Low ESR SMD Aluminum Electrolytic Capacitors for Digital Power Supply Filtering

Surface mount aluminum electrolytic capacitors with low ESR are used in digital power supply circuits to reduce ripple voltage and stabilize supply rails.
Compact size and extended lifetime enable their use in high-density electronic assemblies operating across a temperature range of 20°C to 105°C.
These capacitors are designed for low-voltage power management in digital signal processing systems.

Electrical Characteristics

Low ESR improves ripple current handling and reduces power loss in switching power supplies.
The capacitance range from 10 ?F to 270 ?F supports bulk decoupling and output filtering in low-voltage DC rails.
Voltage ratings from 2 VDC to 16 VDC align with logic and processor power domains.

• Low ESR structure for ripple suppression
• Capacitance range: 10 ?F to 270 ?F
• Rated voltage: 2 VDC to 16 VDC
• Operating temperature: 20°C to 105°C
• Long life and compact package

Role in Digital Power Circuits

In digital equipment, stable power delivery is required to maintain signal integrity and reduce noise coupling.
Low ESR capacitors are placed at the output of DC-DC converters and near load points to provide local energy storage and transient current support.

• Output filtering for switching regulators
• Decoupling for DSP and logic circuits
• Reduction of supply ripple and noise
• Support for fast load transients

Applications

• Flat panel displays
• DVD recorders
• Automotive navigation systems
• Digital signal processing equipment
• Low-voltage power supply modules

Design Considerations

• Verify ESR requirements for switching frequency
• Match capacitance to ripple current and load profile
• Ensure voltage rating exceeds maximum rail voltage
• Consider thermal environment for long-term reliability

For detailed electrical ratings and dimensional specifications, refer to the corresponding datasheet.

For design-in support and technical inquiries, please contact:

sales@suntan.com.hk

info@suntan.com.hk