680 µF, 63V (Aluminium Electrolytic)

680 µF, 63V (Aluminium Electrolytic), Through hole

Identification and Orientation
The Long Lead Rule: The positive lead (anode) is visibly longer than the negative lead on through-hole models.
The Stripe Indicator: The capacitor body features a printed stripe (usually containing a minus symbol -) marking the negative lead.

A 680μF electrolytic capacitor is highly effective for power supply filtering, energy storage, and transient voltage suppression. It is widely used in power adapters, audio amplifiers, and DC-DC converters to smooth out voltage ripples, minimize power fluctuations, and stabilize circuit performance.

The specific circuit and voltage rating determine exactly where this capacitor is placed:
Low-Voltage (10V to 25V): Commonly used in computer motherboards, audio equipment, and low-power DC-DC converters for output filtering.
Medium-Voltage (50V to 100V): Found in automotive electronics, medium-voltage power supplies, and audio pre-amps.
High-Voltage (250V to 450V): Utilized on the primary side of switch-mode power supplies (SMPS) or in variable frequency drives (VFDs) for bulk energy storage and ripple reduction.