1uf 50V SMD Electrolytic Capacitor 4x5.4 mm

SMD-type aluminum electrolytic capacitors are passive components designed for surface mount technology (SMT), offering high capacitance in a compact package. These capacitors are directly solderable onto PCBs (printed circuit boards), making them ideal for space-constrained and high-performance electronic circuits.

Key Features:

1. Structure & Operating Principle:

• Aluminum Electrolytic Design: Polarized component with anode (+) and cathode (-) terminals.
• SMD-Compatible: Flat base design allows easy automated soldering with pick-and-place machines.

2. Advantages:

• High Capacitance: Wide capacitance range (1µF to 1000µF and above).
• Compact Size: More space-efficient compared to traditional radial/through-hole capacitors.
• Wide Voltage Range: Available in various voltage ratings (6.3V to 100V).
• High Ripple Current Handling: Suitable for pulsed current applications.

3. Technical Parameters:

• Operating Temperature: -40°C to +105°C (varies by series).
• Capacitance Tolerance: Typically ±20%.
• Lifespan: 2,000 to 5,000 hours (depends on operating temperature and voltage).
• ESR (Equivalent Series Resistance): Low to moderate, with optimized series for high-frequency applications.

4. Applications:

• Power Electronics: DC-DC converters, voltage regulators, SMPS (switched-mode power supplies).
• Consumer Electronics: LED drivers, TV and computer motherboards.
• Industrial & Automotive: Motor control units, industrial automation systems.

5. Packaging & Standards:

• Sizes: Standard SMD footprints such as 5x5mm, 6.3x7.7mm, 8x10mm (varies by manufacturer).
• RoHS/REACH Compliant: Environmentally friendly materials, lead-free soldering compatible.

Key Considerations:

• Polarity: Reverse polarity connection may cause explosion or leakage. PCB markings ("+" or cathode indicator) must be observed.
• Thermal Management: High temperatures reduce lifespan; proper ventilation and PCB thermal design are critical.
• Mechanical Stress: Excessive heat or physical pressure during soldering may damage the component.