RE: Transformer Question

2001-04-23 Thread Pham, Tac
Ken, Depend on the type of transformer, such as isolating or signal, you should be aware of the following: 1. The temperature rating would dictate the insulation class A (105), B (130), and so on... in accordance with IEC85. These insulating systems will identify the tapes, wires, plastic materi

RE: Humidity verification standard

2001-02-06 Thread Pham, Tac
Hello Jeff, You may want to check out GR-63-CORE sub. clause 4.1 table 4-4 ??? Tac Pham Power-One TSD -Original Message- From: Bailey, Jeff [mailto:jbai...@mysst.com] Sent: Tuesday, February 06, 2001 6:39 AM To: 'emc-pstc' Subject: Humidity verification standard Hello group, I kn

RE: Product Marking

2001-01-24 Thread Pham, Tac
Courtland, The NRTL (UL, CSA) would not like the idea that one marked the product with the word UL or CSA because (their argument) it is misleading. In some cases, TUV, ETL etc. can certify some products using UL/CSA standards. Tac, Power-One TSD -Original Message- From: Courtland T