Part Number F3B5T-21 having (CAGE Code 55815) and FSC 5915 Filters and Networks in stock with ready to ship. Get an instant quote for F3B5T-21 Filter Radio Frequency Interfere by Texas Spectrum Electronics Inc. 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.