tip and ring common mode filter document 257 specifications subject to change without notice. document 257 revised 8/8/01 the TRC4000 is a high performance, high current tip and ring filter designed to help telecom equipment engineers meet fcc and ccitt requirements. these filters provide >15 db attenuation of common mode noise over the 3 to 300 mhz frequency range, while the low differential mode attenuation provides excellent signal integrity. 1500 vrms isolation between pairs allows filtering of two 2-wire pairs or any 4-wire application. for free evaluation samples, contact coilcraft or visit www.coilcraft.com. patent pending 8 1 7 2 6 3 5 4 rated dcr dielectric part inductance current max strength number lines min (h) (a) (ohms) min (vrms) TRC4000 2 25 2 .055 1500 (1,2-3,4) 1 operating temperature range -40 c to +125 c 2 electrical specifications at 25 c typical response* *measured on agilent/hp8753es analyzer
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