[cctalk] Re: Identifying a Failed Diode in a Rainbow H7842 Power Supply

2022-11-24 Thread Mattis Lind via cctalk
> On 24 Nov 2022, at 22:45, Rob Jarratt wrote: > >  > Thanks for the suggestion Mattis. The UF4007 has a PIV of 1000V, I had a > suggestion that the PIV should be 200V. Not sure what rating I should be > going for here? Given that I didn’t have a schematic and this is on the primary side

[cctalk] Re: Identifying a Failed Diode in a Rainbow H7842 Power Supply

2022-11-24 Thread Don R via cctalk
You’re right, I superimposed the number. That certainly doesn’t help at all. Don Resor Sent from someone's iPhone > On Nov 23, 2022, at 10:50 PM, Don R via cctalk wrote: > > The data sheet lists H5892 through H5899 and H5900 through H5911. > > Don Resor > > Sent from someone's iPhone >

[cctalk] Re: Identifying a Failed Diode in a Rainbow H7842 Power Supply

2022-11-24 Thread Rob Jarratt via cctalk
Thanks for the suggestion Mattis. The UF4007 has a PIV of 1000V, I had a suggestion that the PIV should be 200V. Not sure what rating I should be going for here? Regards Rob From: Mattis Lind Sent: 22 November 2022 07:54 To: r...@jarratt.me.uk; General Discussion: On-Topic and