100uf 25V Through Hole 6*7 Electrolytic Capacitor (Pack of 1000)

The 100uf 25V Through Hole 6*7 Electrolytic Capacitor is a high-capacity polarized capacitor designed for power supply filtering, audio amplification, and energy storage applications in electronic circuits. Professional engineers and PCB designers rely on these capacitors for stable voltage regulation and noise suppression in consumer electronics, industrial controllers, and audio equipment. This bulk pack of 1000 units solves the critical need for cost-effective energy storage components while maintaining consistent performance across large-scale manufacturing and prototyping projects.

Product Overview

Electrolytic capacitors function as temporary charge storage devices that release energy when needed, making them essential for smoothing voltage ripples in power supplies and filtering unwanted AC noise from DC circuits. The 100uf 25V specification indicates a capacitance value of 100 microfarads with a maximum voltage rating of 25 volts DC, making this component ideal for low to medium voltage applications. The through-hole mounting style with 6mm diameter and 7mm height dimensions ensures easy hand soldering and compatibility with standard PCB layouts, while the electrolytic construction provides superior capacitance density compared to ceramic alternatives.

This particular model excels in applications requiring sustained energy buffering and voltage stabilization. The 25V rating provides adequate headroom for 12V and 5V circuit designs with safety margins, while the 100uf value delivers sufficient charge storage for power sequencing, soft-start circuits, and audio coupling stages. The compact 6*7mm form factor balances electrical performance with space efficiency, making these capacitors preferred components in compact power supplies, LED drivers, and microcontroller-based systems where board real estate is limited.

Key Specifications

Specification	Details
Product Type	Through Hole Electrolytic Capacitor
Capacitance Value	100 microfarads (100uf)
Voltage Rating	25V DC
Package Dimensions	6mm diameter x 7mm height
Mounting Type	Through Hole (THT)
Lead Spacing	Standard 2.54mm pitch
Polarity	Polarized (positive and negative leads)
Quantity Per Pack	1000 units
Operating Temperature Range	-40 to +85 degrees Celsius
Equivalent Series Resistance	Typical 0.5 to 1.2 ohms
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: 100uf value in compact 6*7mm form factor provides excellent energy storage without consuming excessive PCB space, ideal for space-constrained designs
• Safe Voltage Rating: 25V DC rating ensures reliable operation in 5V, 12V, and 18V circuits with adequate safety margin to prevent dielectric breakdown
• Through Hole Construction: Standard 2.54mm lead spacing enables quick hand soldering and compatibility with breadboards, perfboards, and traditional PCB designs
• Wide Temperature Range: Operates reliably from -40 to +85 degrees Celsius, suitable for both industrial and consumer-grade applications across diverse environmental conditions
• Low Equivalent Series Resistance: Typical ESR of 0.5 to 1.2 ohms ensures efficient charge transfer and minimal heat dissipation during rapid discharge cycles
• Bulk Quantity Advantage: Pack of 1000 units provides significant cost savings for manufacturers, educators, and hobbyists requiring multiple components for production runs or inventory

Applications and Use Cases

• Power Supply Filtering: Smooths voltage ripple on the output of rectifier circuits and linear regulators, preventing voltage spikes that could damage sensitive downstream components in consumer electronics
• Audio Amplifier Coupling: Blocks DC bias while passing AC audio signals between amplifier stages, with 100uf value suitable for coupling frequencies above 100Hz in audio frequency range
• Microcontroller Power Decoupling: Provides localized energy storage near processor pins to stabilize power during rapid current transients and instruction execution cycles
• LED Driver Energy Storage: Stores charge for soft-start circuits and current limiting functions in LED power supplies, extending LED lifespan by reducing inrush current stress
• Motor Control Circuits: Buffers voltage fluctuations in PWM-driven motor controllers and solenoid drivers, protecting logic circuits from noise and voltage spikes generated by inductive loads
• Battery Backup Systems: Maintains minimum voltage levels during brief power interruptions in UPS circuits and emergency lighting applications requiring millisecond-scale energy reserves

How to Use

Before installation, identify the positive and negative leads on your electrolytic capacitor. The longer lead indicates positive polarity and should connect to the higher voltage potential, while the shorter lead connects to ground or negative rail. The capacitor body typically features a white stripe along the negative side for additional polarity confirmation. Insert the leads through appropriate PCB holes or breadboard sockets, ensuring leads are fully inserted and making solid contact with the mounting surface.

Solder the leads using a 25-40 watt soldering iron with rosin core solder, applying heat for 3-4 seconds until solder flows smoothly around the lead and pad. Avoid excessive heat exposure beyond 5 seconds, as prolonged heating can damage the capacitor's internal structure and reduce lifespan. Always verify circuit polarity before power application, as reverse polarity connection will cause immediate capacitor failure and potential circuit damage. For breadboard prototyping, insert leads gently without forcing, as aggressive insertion can bend or break the internal foil structure. Allow soldered joints to cool naturally before applying power, and inspect for cold solder joints or bridges between adjacent pads that could cause shorts.

Frequently Asked Questions

What is the difference between electrolytic and ceramic capacitors?

Electrolytic capacitors use an aluminum or tantalum oxide layer as the dielectric, providing much higher capacitance values in smaller physical sizes compared to ceramic alternatives. However, electrolytic capacitors are polarized, meaning they must be connected with correct polarity, and have higher equivalent series resistance. Ceramic capacitors are non-polarized, more stable across temperature ranges, and better for high-frequency applications, but cannot achieve the same capacitance values in the same physical footprint. For this 100uf 25V application, electrolytic construction is the practical choice as ceramic would require an impractically large form factor.

Can I use a 100uf 25V capacitor in a 12V circuit?

Yes, absolutely. The 25V rating is the maximum voltage the capacitor can safely handle, not the required operating voltage. Using a 25V capacitor in a 12V circuit provides a safety margin of more than 2x, which is excellent practice in electronics design. This safety margin protects against voltage spikes, transient overvoltages, and manufacturing tolerances that could momentarily exceed the nominal 12V. However, using a capacitor with too low a voltage rating in a higher voltage circuit will cause failure and potential circuit damage, so always ensure the capacitor rating exceeds your circuit's maximum voltage.

How do I identify if a capacitor is damaged or failed?

Visual inspection is the first step: look for bulging or leaking electrolyte from the capacitor body, which indicates internal pressure buildup and imminent failure. A multimeter set to capacitance mode can measure the actual capacitance value and compare it to the rated 100uf specification. A significant deviation below the rated value suggests degradation. For in-circuit testing, measure DC voltage across the capacitor terminals after applying power; a properly functioning capacitor should charge to the supply voltage and hold it. A capacitor that does not charge or discharges rapidly indicates failure. Audible popping or burning smell during operation are emergency indicators requiring immediate power disconnection.

What is the lifespan of a 100uf 25V electrolytic capacitor?

Electrolytic capacitors typically have rated lifespans of 1000 to 5000 hours at maximum rated voltage and temperature. The actual lifespan depends heavily on operating conditions: higher temperatures significantly reduce lifespan, with a general rule that lifespan halves for every 10-degree Celsius increase above the rated temperature. Operating at lower voltages and temperatures than the maximum ratings can extend lifespan substantially. For example, running at 12V instead of 25V in a cool environment can extend operational life to 10,000+ hours. Regular inspection for leakage, bulging, or performance degradation helps identify aging capacitors before failure affects circuit operation.

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 100uf 25V Through Hole 6*7 Electrolytic Capacitor (Pack of 1000) Online in India

Purchase the 100uf 25V Through Hole 6*7 Electrolytic Capacitor (Pack of 1000) 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