EPCOS B32021 Polypropylene Film Capacitor, 300V ac, ±20%, 4.7nF, Through Hole

Polypropylene construction with a plastic case (UL 94 V-0) and epoxy resin sealing (UL 94 V-0)
Very small dimensions
Good self-healing properties
High voltage capability
Typical applications include Y2 class for interference suppression and “Line to ground” applications
Operating Temperature: -40 → 110 °C

EN 132400 /
IEC 60384-14 (300 V AC)
UL1414 (250 V AC)
UL1283 (400 V AC)
CSA C22.2 No.1 (250 V AC)
CSA C22.2 No.8 (400 V AC)

Capacitors are designed for connecting directly across a mains supply but should NOT be used in positions where failure of a capacitor would expose anybody to electric shock.