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+1-847-639-6400 sales@coilcraft.com +44-1236-730595 sales@coilcraft-europe.com +886-2-2264 3646 sales@coilcraft.com.tw +86-21-6218 8074 sales@coilcraft.com.cn + 65-6484 8412 sales@coilcraft.com.sg © Coilcraft Inc. 2013 This product may not be used in medical or high risk applications without prior Coilcraft approval. Specification subject to change without notice. Please check web site for latest information. Tip and Ring Common Mode Filters Document 152 Document 152 Revised 05/27/05 These economical filters are designed to help telecom- munications equipment engineers meet FCC and CCITT requirements. Available in 1 or 2 line (2 or 4 wire) versions, Coilcraft tip and ring filters provide >15 dB attenuation of com- mon mode noise over the 3 Hz to 300 MHz frequency range. Part number: TRF 2000L (1-line) TRF 4000L (2-line) Minimum inductance: 20 µH Rated current: 500 mA DC resistance: 0.065 Ohms max Dielectric strength1: 1500 Vrms min 1. For TRF 2000, dielectric strength measured from pins 1,8 to 4,5. For TRF 4000, dielectric strength measured from pins 1,2,7,8 to pins 3,4,5,6. 2. Ambient temperature range –40°C to +85°C. 3. Electrical specifications at 25°C. A max B max C max D E F G 10,80 13,97 12,07 2,92 7,62 2,54 7,62 mm 0.1 11 0 100 1000 Frequency (MHz) Atten uation (dB) Differential Mode Common mode TRF 2000L TRF 4000L Typical Response* B C (8×) 0.040 1,020.040 1,02 0.030 0,76 0.030 0,76dia dia F E 21 3 4 A 78 6 5 Recommended Board Layout Recommended Board Layout (5×) E G 8 5 F B DD C 8 5 A 87 8 12 1 56 5 43 4 TRF 2000L TRF 4000L *Measured on HP 8753D network analyzer Terminations: Tin-silver over tin