Part Number 503DF A2 1 having (CAGE Code 26976) and FSC 5950 Coils and Transformers in stock with ready to ship. Get an instant quote for 503DF A2 1 Transformer Radio Frequency by University Of Lowell Research Foundation. Fill the form below with your desired order quantity, targeted price and the expected order-fulfilment date. Our dedicated account manager will get back to you within 15 minutes.