T-13802

Transformers for T1 / CEPT / PCM Applications Available in both Thru-hole & SMD EP7 Packages Schematic "A" PRI. 1 2 3 Schematic "B" 6 5 4 2 SEC. 1 2 3 6 5 4 75 Ω 5 100 Ω 3 120 Ω 4 Schematic "C" PRI. SEC. 1 Schematic "D" PRI. SEC. 1 2 6 6 3 4 Electrical Specifications at 25OC Part Impedance Number (Ω) (Hi-Pot) Insertion Loss max. @ 772 kHz ( dB ) Frequency Response ( dB ) + 0.10 100 kHz to 1.544 MHz Return Loss min. ( dB ) Longitudinal Balance min. ( dB ) Primary Secondary DCR max. DCR max. (Ω) (Ω) Style & Schem. T-13800 ( 1200 VRMS ) 100 / 100 100 / 100 / 100 75-100-120 / 75 0.2 @ 772 kHz 25 * 15 ** 20 *** 35 @ 1.544 MHz 1.0 0.6 1.55 1.0 0.6 1.15 EP7 - A EP7 - B EP7 - C T-13801 ( 1500 VDC) 0.075 @ 772 kHz + 0.25 100 kHz to 1.544 ** MHz + 0.15 100 kHz to 1.544 MHz 35 @ 1.544 MHz T-13802 (1650 VDC) * ** *** 0.25 @ 772 kHz 40 @ 1.0 MHz 100 kHz to 1.544 MHz 100 Ω 100 kHz to 4.0 MHz 100 Ω 50 kHz to 3.0 MHz 75 Ω Secondary 75 Ω, 100 Ω or 120 Ω Primary OCL min. ( mH ) PRI-SEC CW/W max. ( pF ) Surface Mount Versions of all Parts listed are available. Add suffix "G" to specify surface mount package style. Leakage Ind. max. ( µH ) Primary DCR max. (Ω) Secondary DCR max. (Ω) Electrical Specifications 1,2,3 at 25OC Turns Part Ratio Number (+5%) Style & Schem. Primary Pins T-13803 T-13804 T-13805 1CT : 1 1CT : 0.86 2CT : 1 1.2 1.5 1.2 35 35 50 1.0 1.0 1.0 0.9 0.65 1.1 .370 (9.40) MAX. 0.9 1.4 0.7 EP7 - D EP7 - D EP7 - D .375 (9.53) MAX. 1-3 1-3 1-3 1. 1000 VRMS minimum Isolation. 2. ET-Product of 10 V-msec min. 3. OCL Measured at Primary @100KHz & 20mV .465 (11.81) MAX. .394 (10.00) MAX. .375 (9.53) MAX. "G" SMD Package .375 (9.53) MAX. .340 (8.64) .505 (12.83) .490 (12.45) .525 (13.34) .025 (0.64) .098 .028 (2.50) (0.70) .098 .024 (2.49) (0.61) 1 2 3 .110 (2.79) MIN. .039 (0.99) .080 (2.03) Part Number Examples: T-13800 T-13800G T-13803 T-13803G (EP7 (EP7 (EP7 (EP7 Thru-hole) SMD) Thru-hole) SMD) 1 2 3 6 Suggested Pad Layout .100 (2.54) TYP. .050 (1.27) TYP. 5 4 Bottom View 6 5 4 .075 (1.905) TYP. For other values & Custom Designs, contact factory. T1-BOBIN - 4/99 Specifications subject to change without notice. Rhombus Industries Inc. 10 15801 Chemical Lane, Huntington Beach, CA 92649-1595 Tel: (714) 898-0960 • Fax: (714) 896-0971