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BUY TOP243PN https://www.utsource.net/itm/p/883265.html
IC SW OFF-LINE PS 15/25W 8DIP
The TOP243PN is a medium power off-line high voltage switch from Power Integrations. It is housed in a 7-Pin DIP package. Description: The TOP243PN is a 7-Pin DIP package containing two integrated circuits for medium power off-line high-voltage switching. It is a high-efficiency, cost-effective, integrated power solution that provides optimized control and protection of switching power supplies. Features: Low start-up current: <2.5mA Maximum operating frequency: 100kHz Continuous drain-source voltage: 600V Maximum peak drain-source voltage: 800V Maximum average dissipation: 100W Output current capability: 5A Capacitive drive capability: 100nF Internal temperature protection Applications: AC-DC power supplies Telecom power supplies Industrial power supplies High speed switching applications (For reference only)