220uf 50V Surface Mount Electrolytic Capacitor (Reel of 500)

The 220uf 50V Surface Mount Electrolytic Capacitor is a high-capacitance energy storage component designed for compact PCB integration in modern electronics. Electronics engineers, PCB assembly professionals, and industrial manufacturers rely on these capacitors for power supply filtering, decoupling, and energy buffering in voltage regulation circuits. This component solves the critical challenge of managing voltage ripple and transient current spikes in compact form factors where through-hole components cannot fit.

Product Overview

Surface mount electrolytic capacitors operate on the principle of electrostatic charge storage within a polarized aluminum oxide dielectric layer. The 220uf 50V specification indicates a capacitance value of 220 microfarads with a maximum voltage rating of 50 volts DC. When voltage is applied across the capacitor terminals, charge accumulates on the aluminum foil plates separated by the electrolyte, creating an electric field that stores energy. This stored energy is released when the circuit requires it, making these capacitors essential for smoothing power supply outputs and protecting sensitive components from voltage fluctuations.

The reel of 500 units comes in standard SMD packaging (typically 10mm x 10.5mm case size), optimized for automated pick-and-place assembly in high-volume manufacturing environments. These capacitors feature low equivalent series resistance (ESR) and excellent frequency response characteristics, making them ideal for switching power supplies operating at frequencies up to 100kHz. The electrolytic construction provides superior capacitance density compared to ceramic alternatives, delivering 220uf in a compact footprint while maintaining reliability across industrial temperature ranges of -40°C to +105°C.

Key Specifications

Specification	Details
Product Type	Surface Mount Electrolytic Capacitor
Capacitance Value	220 microfarads (220uf)
Voltage Rating	50 Volts DC
Case Size	10mm x 10.5mm SMD
Equivalent Series Resistance	Less than 0.5 ohms at 100kHz
Operating Temperature Range	-40°C to +105°C
Ripple Current Rating	2.5A at 100kHz
Lifespan	2000 hours at rated voltage and temperature
Packaging	Reel of 500 units
Origin	Original/Authentic
Warranty	7 days on manufacturing defects
Shipping	1-5 days from Bengaluru
Delivery	7-8 days across India
Support	24/7 via Email and WhatsApp

Key Features

• High Capacitance Density: 220uf in compact 10mm SMD form factor reduces PCB real estate while maintaining performance in power management circuits
• Low ESR Performance: Sub-0.5 ohm equivalent series resistance at 100kHz ensures minimal voltage drop and heat generation in switching applications
• Excellent Ripple Current Handling: 2.5A ripple current rating at 100kHz allows reliable operation in high-frequency switching power supplies without thermal stress
• Extended Operating Range: -40°C to +105°C temperature range ensures stable performance across industrial, automotive, and consumer electronics environments
• Automated Assembly Ready: Standard SMD packaging optimized for pick-and-place equipment with consistent lead spacing and polarity marking for error-free manufacturing

Applications and Use Cases

• Switching Power Supply Filtering: Provides bulk energy storage and voltage ripple attenuation in DC-DC converters and isolated power modules operating at 50-100kHz switching frequencies
• Microcontroller and FPGA Decoupling: Supplies transient current to microprocessor cores during instruction execution, preventing voltage droop and system instability in embedded systems
• LED Driver Circuits: Smooths rectified AC voltage in LED power supplies, reducing flicker and extending LED lifespan in industrial lighting and display applications
• Industrial Motor Control: Buffers voltage spikes in PWM-controlled motor drive circuits, protecting gate drivers and power transistors from voltage transients exceeding 50V ratings
• Telecommunications Equipment: Stabilizes power rails in network switches and base station power distribution modules requiring high reliability and extended operational life

How to Use

Before installation, verify the circuit voltage rating does not exceed 50V DC to prevent capacitor rupture and component failure. Identify the positive and negative terminals on the capacitor body marked with polarity indicators. The longer lead or marked side indicates positive polarity; ensure correct orientation during PCB layout and assembly. For automated assembly, configure your pick-and-place machine with the correct feeder settings for 10mm SMD packages and verify tape tension to prevent component damage during feeding.

During soldering, maintain reflow oven profiles within IPC standards with peak temperatures of 245-260°C for 10-30 seconds to ensure reliable solder joint formation without thermal stress to the capacitor. After assembly, conduct electrical testing at rated voltage for 2-5 minutes to verify proper operation and identify any manufacturing defects before system integration. In high-temperature applications, monitor ambient conditions as electrolytic capacitors degrade faster above 85°C, potentially reducing lifespan from 2000 hours to proportionally shorter periods at elevated temperatures.

Frequently Asked Questions

What is the difference between 220uf 50V and 220uf 35V capacitors?

The 50V rating provides higher voltage withstand capability compared to 35V variants, making it suitable for circuits with greater voltage margins and transient overshoot protection. However, 50V capacitors typically have slightly higher ESR and larger physical size. Use 50V when your circuit voltage exceeds 35V or when you need additional safety margin against voltage spikes. The 220uf capacitance value remains identical; only the maximum voltage rating differs.

Can I use a 220uf 50V capacitor in a 35V circuit?

Yes, you can safely use a 220uf 50V capacitor in any circuit rated at 35V or lower. Higher voltage-rated capacitors are backward compatible with lower voltage applications. However, this may be cost-inefficient as 50V capacitors typically cost more than equivalent 35V ratings. Reserve 50V capacitors for circuits requiring their higher voltage margin or when 50V units are already in stock for inventory optimization.

What causes electrolytic capacitor failure in the field?

Primary failure modes include electrolyte evaporation at elevated temperatures, voltage overstress exceeding the 50V rating, reverse polarity connection causing internal short circuits, and ripple current exceeding the 2.5A specification generating excessive heat. Thermal stress is the most common cause, especially in applications above 85°C ambient temperature. Proper PCB thermal management, voltage regulation, and correct polarity installation during assembly prevent 95% of field failures. If failures occur, verify circuit voltage, check for reverse polarity, and measure ambient temperature near the capacitor location.

When will I receive my order?

Orders are dispatched within 1-5 business days from our Bengaluru warehouse. Delivery takes 7-8 days to most locations across India.

What is your return and warranty policy?

We offer a 7-day return policy on manufacturing defects only. Contact support within 7 days of receipt for free replacement or full refund. Not applicable for user damage or misuse.

Are bulk discounts available?

Yes, wholesale pricing for orders of 10 or more units. Contact our sales team via WhatsApp or email for a customized bulk quote.

Why Buy from The Engineer Store

• Genuine Products: Sourced directly from authorized distributors with authentication
• Expert Team: Our technical team validates every product before listing
• Fast Shipping: Dispatched within 1-5 days from our Bengaluru warehouse
• Pan-India Delivery: 7-8 days to Mumbai, Delhi, Chennai, Hyderabad, Pune, Kolkata
• Payment Options: COD, UPI, credit/debit cards, net banking, EMI available
• Technical Support: 24/7 expert guidance via email and WhatsApp
• Returns: 7-day return policy on manufacturing defects only

Buy 220uf 50V Surface Mount Electrolytic Capacitor (Reel of 500) Online in India

Purchase the 220uf 50V Surface Mount Electrolytic Capacitor (Reel of 500) online at The Engineer Store, India's trusted source for genuine electronics. We deliver across Bengaluru, Mumbai, Delhi, Chennai, Hyderabad, Pune, Kolkata, Ahmedabad, Jaipur, and Surat. Get the best price on 220uf 50V Surface Mount Electrolytic Capacitor (Reel of 500) with fast shipping and expert support.

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