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TIDA-00127: EMI/EMC Filter Block

Part Number: TIDA-00127
Other Parts Discussed in Thread: TIDA-00227

I was referring to TIDA-00127 and TIDA-00227 for one of my designs for the customer. I have already have 230V to +/-12V power supply using all TI components. But this design is not qualified for EMI/EMC. Can I use the EMI/EMC filter block excluding the bridge diodes and yet achieve the EFT surge performance? Secondly my current rating matches with TIDA-00127, whereas the input voltage requirements matches with TIDA-00227. Could You please guide me how to chose the components in that case ( only for the front end EMI/EMC filter block) ?