22uF 35V Surface Mount Electrolytic Capacitor

22uF 35V Surface Mount Electrolytic Capacitor is a high-quality polarized component designed for modern, high-density printed circuit board (PCB) designs requiring reliable energy storage and noise filtering. This aluminum electrolytic capacitor offers a stable 22uF capacitance with a 35V DC voltage rating, making it perfectly suitable for medium-voltage rails and power management circuits. Furthermore, its Surface Mount Device (SMD) package allows for automated pick-and-place assembly, which significantly improves production efficiency and reduces manufacturing costs. Consequently, engineers often select this specific capacitor for decoupling and smoothing applications in space-constrained consumer electronics and industrial modules. Therefore, you should utilize this component whenever your design demands a balance of compact size, high voltage tolerance, and reliable long-term performance.

Key Features:

• SMT Design: This capacitor features a standard surface-mount footprint, allowing for easy integration into compact SMD PCB layouts and automated soldering processes.
• High Voltage Margin: With a 35V rating, the component provides a safe operating buffer for standard 12V and 24V power rails.
• Excellent Filtering: The 22uF capacitance value effectively suppresses ripple and voltage spikes in power supply lines.
• Long Load Life: Manufactured using high-grade electrolyte materials, this capacitor ensures stable performance over thousands of hours of operation.
• Polarity Indication: A clear black marking on the top of the aluminum case identifies the negative terminal, preventing assembly errors.

Technical Specifications:

• Capacitance: 22 μF
• Rated Voltage (DC): 35 V
• Capacitance Tolerance: ±20% (at 120 Hz, 20°C)
• Operating Temperature Range: −40°C to +105°C
• Leakage Current: ≤ 0.01 CV or 3 μA (Whichever is greater, after 2 minutes)
• Dissipation Factor (tan δ): ≤ 0.12 (at 120 Hz, 20°C)

Mechanical Specifications:

• Package Type: V-Chip SMD Aluminum Electrolytic
• Case Style: Cylindrical Aluminum Can on a square base
• Terminal Finish: Tinned leads for high solderability
• Vibration Resistance: Designed to withstand standard industrial vibration and mechanical shock.

Dimensions:

• Diameter (D): ≈ 5.0 mm
• Height (L): ≈ 5.4 mm
• Base Size: ≈ 5.3 mm x 5.3 mm
• Weight: ≈ 0.15 g

Pinout and Wiring:

• Positive Terminal (+): Connect to the positive voltage rail; the unmarked side of the base identifies this terminal.
• Negative Terminal (−): Connect to the ground (GND) or lower potential; the black bar on the top of the can identifies this terminal.
• Polarity Warning: This is a polarized component. However, applying reverse voltage will damage the internal dielectric and may cause the component to fail or vent.

Datasheet Reference:

• Download Panasonic SMD Aluminum Electrolytic Capacitors Datasheet

Commonly Used in:

• DC-DC Converters: Provides essential output smoothing for buck or boost regulators.
• Audio Equipment: Frequently serves as a coupling or bypass capacitor in signal processing circuits.
• Automotive Electronics: Used in infotainment and sensor modules due to its robust temperature rating.

Applications:

• Power Supply Decoupling: Stabilizes voltage levels near integrated circuits by filtering out high-frequency noise.
• Energy Storage: Acts as a local reservoir to handle peak current demands during rapid switching.
• Transient Suppression: Protects sensitive downstream components from low-energy voltage transients.

Equivalent Models:

• Nichicon UUJ1V220MCL1GS: A high-reliability 22uF 35V SMD alternative with similar physical dimensions.
• Rubycon 35TZV22M5X6.1: A functional equivalent from the TZV series known for low impedance.
• Chemi-Con EMVY350ADA220ME55G: A common drop-in replacement with industrial-grade specifications.

Package Includes:

• 1 x 22uF 35V Surface Mount (SMD) Aluminum Electrolytic Capacitor