The WEB CD294 Condensateur snap-in 105°C 680µF 400V Aluminum Electrolytic Capacitors is an aluminum electrolytic capacitor, but how to determine if it is faulty?

Visual Appearance Inspection:

• Clarity of Markings: The printing on the shell of a high-quality capacitor should be clear and wear-resistant.

• Integrity of Packaging: There should be no electrolyte leakage at the packaging joint, and no cracks or bulges.

Leakage Current Test: 

• Apply the rated voltage to the CD294 WEB Snap-in 2000H Aluminum Electrolytic Capacitor for Lighting, let it stand for 5 minutes, and then measure the leakage current.

Withstand Voltage Test: 

• Apply 1.2 times the rated voltage to the WEB 400V 680uF 20% Aluminum Electrolytic Capacitors Radial Can Snap-In 105C. If there is no breakdown and no sharp increase in leakage current during this period, it indicates that the insulation performance is qualified.

High-Temperature Stability Test: 

• Place the WEB CD294 Aluminum Electrolytic Capacitors Snap In 400V 680uF Compete Manufacturer NICHICON in a constant temperature oven at 105°C. After a certain period, use an LCR bridge and a leakage current tester to re-measure the capacitance, tanδ (dissipation factor), and leakage current. 

PDF:WEET-WEB-2000H-at-105C-General-Snap-in-Aluminum-Electrolytic-Capacitors

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