It's a 6A4 6A 400v diode. This is a general purpose rectifier power diode which is generally use in power supply, power converter module, DC-DC converter module and many more. It has maximum forward voltage 90v, maximum peak reverse voltage 400v , maximum dc blocking voltage 400v.
- Maximum recurrent peak reverse voltage: 400V
- Maximum RMS voltage: 280V
- Maximum DC blocking voltage: 400V
- Maximum forward current: 6A
- DC reverse current: 10µA
- Maximum forward voltage: 090V
- Storage and operating temperature: -65℃ to 175℃
- 6A4 | Power Diode | Signal Diode | Silicon Rectifier | 6A4 Diode.