This Simple Device Could Kill You - never make assumption when handling capacitor

• Condensateur de securité X et Y
• Les bases de la réparation électronique #1 - le condensateur
  • attention a ceux montée sur l’alimentation primaire
  • polarysé - +/-
  • non polarysé - en montage de surface
• Why This Mark On The Capacitor? Here’s Why!
  • np zero rating - compensate for temperature variation - has a mark on top (black mark) - if not this could for ex cause frequency shift on board using them
• Why Put A Capacitor Across The Diode? Here’s Why! - because otherwise the diode create noise