330uf 35V Through Hole 10×13 Electrolytic Capacitor (Pack of 500)
330uf 35V Through Hole 10×13 Electrolytic Capacitor (Pack of 500)
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The 330uf 35V Through Hole Electrolytic Capacitor is a polarized energy storage component designed for power supply filtering, signal coupling, and energy buffering applications in electronic circuits. Professional electronics engineers, PCB manufacturers, and industrial automation technicians rely on bulk packs of these capacitors for high-volume assembly operations where consistent performance and reliability are critical. This capacitor solves the problem of voltage spikes, ripple filtering, and energy stabilization in DC power circuits operating up to 35 volts, making it essential for audio amplifiers, switching power supplies, and industrial control systems.
Specifications
| Specification | Details |
| Product Type | Polarized Electrolytic Capacitor |
| Capacitance Value | 330 microfarads (330uf) |
| Voltage Rating | 35 volts DC (35V) |
| Physical Dimensions | 10mm diameter × 13mm height |
| Lead Type | Through Hole, Radial Leads |
| Quantity per Pack | 500 units |
| Temperature Range | -40°C to +85°C |
| Equivalent Series Resistance | Typically 0.5 to 1.5 ohms at 1kHz |
| Lead Spacing | 5mm standard pitch |
| Origin | Original/Authentic |
Why Choose 330uf 35V Through Hole 10×13 Electrolytic Capacitor (Pack of 500)?
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Key Features of 330uf 35V Through Hole 10×13 Electrolytic Capacitor (Pack of 500)
- High Capacitance Density: 330uf value in compact 10×13mm form factor provides excellent energy storage without excessive board space consumption
- 35V Working Voltage: Suitable for standard DC power supplies, audio circuits, and industrial control systems operating in the 12V to 30V range with safety margin
- Low Equivalent Series Resistance: Minimizes heat generation and voltage drop during rapid charge-discharge cycles, improving circuit efficiency
- Radial Through Hole Design: Easy insertion and soldering on standard PCBs with 5mm lead spacing, compatible with automated and manual assembly processes
- Bulk Pack Economy: 500-unit quantity reduces per-unit cost significantly compared to smaller packs, ideal for manufacturing and inventory management
- Wide Temperature Range: Rated from -40°C to +85°C, ensuring stable performance across diverse environmental conditions and seasonal variations
Perfect For
- Power Supply Filtering: Used in switched-mode power supplies (SMPS) and linear regulators to smooth DC output voltage and reduce ripple noise in consumer electronics and industrial equipment
- Audio Amplifier Circuits: Provides energy buffering and coupling in pre-amplifier and power amplifier stages, improving frequency response and reducing distortion in audio systems
- Industrial Control Systems: Stabilizes voltage in PLC circuits, servo motor controllers, and industrial automation equipment operating at 24V or 35V DC levels
- LED Driver Circuits: Filters and buffers power in LED lighting applications, protecting sensitive LED arrays from voltage spikes and ensuring consistent brightness output
- Uninterruptible Power Supplies (UPS): Acts as energy storage and filtering component in backup power systems and emergency lighting circuits
- Telecommunications Equipment: Used in telecom power distribution modules and signal conditioning circuits where voltage stability is critical for equipment reliability
How to Use
Before installation, identify the positive and negative leads of the electrolytic capacitor. The longer lead is positive (anode) and the shorter lead is negative (cathode). Some capacitors also have a stripe or marking on the negative side. Insert the capacitor into the PCB holes with correct polarity alignment, ensuring the positive lead goes to the positive circuit node and negative lead to ground or negative rail. Incorrect polarity installation will cause capacitor failure, leakage, or explosion, so verification is critical before soldering.
Solder the leads using a standard soldering iron at 350-380°C for 3-5 seconds per joint, avoiding excessive heat that can damage the capacitor's internal structure. After soldering, trim excess lead length to approximately 2-3mm above the PCB surface. If using in high-frequency circuits or near heat sources, ensure adequate spacing between capacitors to allow air circulation for thermal dissipation. For power supply applications, mount the capacitor close to the voltage regulation point to minimize lead inductance and maximize filtering effectiveness. Always verify circuit voltage does not exceed the 35V rating during operation, accounting for voltage spikes from switching transients or inductive loads.
Product Overview
Electrolytic capacitors function by storing electrical energy in an electrolyte-based dielectric medium between two conductive plates. When voltage is applied across the capacitor terminals, electrical charge accumulates on the plates, creating a potential difference that can be discharged when needed. The 330uf 35V specification indicates this capacitor can store 330 microfarads of charge at a maximum working voltage of 35 volts DC. The through-hole design with 10×13mm physical dimensions allows direct insertion into PCB holes for soldering, making it ideal for prototyping, repair work, and manufacturing environments where surface mount technology is not required.
The 10×13mm form factor provides excellent mechanical stability and thermal dissipation compared to smaller capacitors, while the 330uf capacitance value bridges the gap between smaller filtering capacitors and larger bulk storage units. This makes it versatile for mid-range power applications. The bulk pack of 500 units offers significant cost savings for manufacturers, repair shops, and electronics laboratories that require consistent inventory. Each capacitor undergoes quality testing to ensure stable capacitance values, low equivalent series resistance (ESR), and reliable performance across temperature ranges, typically rated from -40°C to +85°C for standard electrolytic designs.
Frequently Asked Questions
What is the difference between 330uf 35V and 330uf 50V capacitors?
The primary difference is voltage rating. A 330uf 50V capacitor can safely operate at voltages up to 50V, while the 35V version is rated only to 35V maximum. The 50V version typically has a larger physical size due to thicker dielectric material needed for higher voltage withstand. For circuits operating at 24V to 35V, the 35V capacitor is appropriate and more cost-effective. However, if your circuit experiences voltage spikes or transients exceeding 35V, use the 50V rated version for safety margin. Never exceed the voltage rating as it will cause dielectric breakdown and capacitor failure.
Can I use these capacitors in AC circuits?
No, electrolytic capacitors are polarized components designed specifically for DC circuits. Using them in AC applications where polarity reverses will cause rapid failure, leakage, and potential explosion. For AC applications, use non-polarized film capacitors or AC-rated electrolytic capacitors specifically designed for that purpose. If you need to couple AC signals in a DC-biased circuit, use the electrolytic capacitor in series with a resistor to maintain proper biasing, ensuring the capacitor always sees net DC voltage in the correct polarity direction.
What does ESR mean and why is it important?
ESR stands for Equivalent Series Resistance, measured in ohms, representing the internal resistance of the capacitor at a specific frequency (typically 1kHz). Lower ESR is better because it reduces heat generation, voltage drop, and improves filtering performance. A 330uf 35V capacitor typically has ESR between 0.5 to 1.5 ohms. In power supply applications, low ESR capacitors minimize ripple voltage and improve transient response. In audio circuits, low ESR reduces noise and improves sound quality. High ESR capacitors indicate aging or poor quality and should be replaced to maintain circuit performance.
How should I store these capacitors to maintain quality?
Store electrolytic capacitors in a cool, dry environment between 15°C and 25°C with relative humidity below 60%. Avoid exposure to direct sunlight, moisture, and corrosive chemicals that can damage the leads or case. Keep capacitors in their original packaging or sealed containers to prevent oxidation of leads. For long-term storage beyond 12 months, periodically apply voltage to the capacitors (called forming) to maintain the oxide layer on the aluminum foil. Capacitors stored for extended periods may show increased ESR and leakage current, so test before critical applications.
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.
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