TAAANUIZA REVISION 11/29/00 MP REVISION A REVD DCR TOLERANCE 09/08/04 MP REVISION B ADDED RoHS 08/17/05 MP PREPARED BY: K. BRENNAN ae Ww o> 9. B. Marking; TTC294, TAMURA, date code and country of origin C. Safety; UL1950 3rd Edition D. Schematic; 15.00[0.591] MAX 2.54[0.100] MIN TELECOMMUNICATION MODEM COUPLING TRANSFORMER A. Electrical Specifications (@ 25C) REV. Status] 1. Primary Impedance; 6000 2. Secondary Impedance; 6000 Insertion Loss: 1.20dB MAX @ 1KHz, 1Vrms Frequency Response; +0.16dB @ 300Hz to 3.5KHz, 1Vrms Inductance; 1.5H MIN (Lp) @ 1KHz, 1.0Vrms measured (13) Leakage Inductance; 2.0mH (Ls) MAX @ 10KHz, 0.1Vrms MODEL NUMBER |TTC-294| measured (13) with 6 & 4 shorted DC Resistance; (1-3) : 58N 415% (6-5) : 14N 415% (5-4) : 620 415% Turns Ratio; (64):(13)=1:142% (13):(54)=1:0.842% Dielectric Strength; 1850V 1 second, PriSec 6000 PRI 3 6000 | 1 e e a E. Mechanical Specifications; White dot indicates pin 1 Country of Origin 14.50[0.571] MAX 1 Safety Logo TA UL# E208555 po JL 90.64[0.025] MAX (5 PLACES) 10.16[0.400] NOMINAL 12.00[0.472] MAX 3 Date Code 5.08[0.200] | (2 PL) a a+ i eee PS |_| yt o| Lo} 6 ENGINEER: IDWG CONTROL NO. PA112413 REV TELECOMMUNICATION MODEM TTC294 M. PITCHAI ACAD\TTO\A 1241310We | B COUPLING TRANSFORMER QUALITY CONTROL: CONTENTS oF THIS DRAWING ARE TAMURA CORPORATION OF AMERICA MODEL SPECIFICATION 7. CLEM [SHBEST TO. 43352 BUSINESS PARK DRIVE, TEMECULA Ch 92500-6624 |S romm(in SOL: 2/1 [ok 1 OF 1 APPROVED: PROPRIETARY NOTICE: THIS DRAWING PRINT OR DOCUMENT AND SUBJECT MATTER DISCLOSED HEREIN ARE PROPRIETARY ITEMS TO WHICH TAMURA RETAINS THE EXCLUSIVE RIGHT OF DISSEMINATION, REPRODUCTION, MANUFACTURE AND SALE. THIS DRAWING, PRINT OR DOCUMENT IS SUBMITTED IN Y. SEKIGUCHI |CONFIDENCE FOR CONSIDERATION BY THE RECIPIENT ALONE UNLESS PERMISSION FOR FURTHER DISCLOSURE IS EXPRESSLY GRANTED IN WRITING.