Aluminum Electrolytic Capacitor 35V 10000uF High Frequency Low ESR Low Resistance

Aluminum Electrolytic Capacitor — 35V 10000µF, High Frequency, Low ESR

A large-value aluminum electrolytic capacitor rated at 35V 10000µF with low ESR (Equivalent Series Resistance) and high-frequency optimised electrolyte. Designed for power supply bulk filtering, audio amplifier power rail decoupling, DC-DC converter output smoothing, and motor drive energy storage applications where high capacitance and low impedance at switching frequencies are required.

Technical Specifications

Parameter	Value
Capacitance	10000µF (10mF)
Rated Voltage	35V DC
Tolerance	−20% / +20% (M grade)
ESR	Low ESR (high-frequency series)
Ripple Current	High ripple current rating (see datasheet)
Operating Temperature	−40°C to +105°C
Lifetime	2000–5000 hours at 105°C (series dependent)
Lead Pitch	10mm (standard radial through-hole)
Polarity	Polarised (observe + / − marking)
Certification	RoHS

Typical Applications

• Power Supply Bulk Filter: Primary bulk capacitance on the output of linear regulators (LM317, LM7812) and switching power supplies to reduce output ripple voltage
• Audio Amplifier Power Rail: Power rail decoupling for Class AB and Class D audio amplifiers — large capacitance provides energy reservoir for transient current demands during bass peaks
• DC-DC Converter Output: Output filter capacitor for buck, boost, and buck-boost converters to smooth switching ripple and maintain stable output voltage
• Motor Drive Energy Storage: Energy buffer for DC motor driver circuits (L298N, BTS7960) to absorb back-EMF spikes and supply peak motor starting current
• Schottky Rectifier Power Supply: Output filter capacitor in transformer-rectifier power supplies for speaker amplifiers and audio equipment
• UPS & Battery Charger: Bulk capacitance in uninterruptible power supply and battery charger circuits for ripple suppression

Installation Notes

• Observe polarity: The negative lead is marked with a stripe on the capacitor body. Reverse polarity will damage the capacitor and may cause venting or rupture.
• Voltage derating: For maximum reliability, operate at no more than 80% of rated voltage (28V for a 35V-rated capacitor)
• Temperature derating: Capacitor lifetime halves for every 10°C above rated temperature — ensure adequate ventilation in high-temperature environments
• Pre-charge: In high-voltage circuits, pre-charge the capacitor through a current-limiting resistor to avoid inrush current damage

FAQ

Q: Can I use this capacitor in a 24V power supply?
A: Yes. A 35V-rated capacitor is suitable for 24V circuits (24V is 69% of the 35V rating, within the recommended 80% derating). For 24V applications, a 35V or 50V rated capacitor is the standard choice.

Q: What is the difference between standard and low-ESR capacitors?
A: Low-ESR capacitors have lower internal resistance, which reduces heat generation at high ripple currents and improves filtering performance at switching frequencies. They are preferred in switch-mode power supplies and Class D amplifiers where standard capacitors may overheat.

Package Contents

• 1 × Aluminum electrolytic capacitor 35V 10000µF (low ESR, high frequency)

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