T1 / CEPT / ISDN-PRI SMD 12 Pin Dual Transformers See other T1/CEPT/ISDN-PRI products in this Catalog 1, 2 o Electrical Specifications at 25 C Turns Part Ratio + 5% Number OCL Min. ( mH ) CW/W max. ( pF ) For T1/CEPT Telecom Applications Designed to meet CCITT and FCC Requirements 3000 VRMS Reinforced Insulation Refer to Table of Contents for a variety of other T1/CEPT/ISDN-PRI products DCR Pri. max. (Ω) DCR Sec. max. (Ω) Schem. Style Primary Pins T-16400 1CT:2CT & 1CT:2CT 1.20 & 1.20 15 & 15 1.00 & 1.00 1.70 & 1.70 A 12-10, 4-6 T-16401 1CT:2CT & 1:1.36CT 1.60 & 1.60 15 & 15 1.70 & 1.70 2.00 & 1.70 B 12-10, 4-6 T-16402 1:1.15CT & 1CT:2CT 1.50 & 1.20 15 & 15 1.00 & 1.00 1.00 & 1.70 D 12-10, 4-6 T-16403 1:1/1.26 & 1CT:2CT 1.50 & 1.20 15 & 15 1.00 & 1.00 1.10 & 1.70 E 12-10, 4-6 T-16404 1:2CT & 2:1 1.60 &1.60 15 & 15 1.10 & 1.10 1.10 & 0.70 F 1-3, 4-6 T-16405 1CT:1CT & 1CT:1CT 1.20 & 1.20 15 & 15 1.00 & 1.00 1.00 & 1.00 A 1-3, 4-6 T-16406 1CT:1.15CT & 1CT:1.15CT 1.20 & 1.20 15 & 15 1.20 & 1.20 1.40 & 1.40 A 1-3, 4-6 T-16407 1CT:1CT & 1CT:2CT 1.20 & 1.20 15 & 15 1.20 &1.20 1.20 & 1.80 A 12-10, 4-6 T-16408 1CT:1.15CT & 1CT:1CT 1.50 & 1.50 15 & 15 1.00 & 1.00 1.10 & 1.00 A 12-10, 4-6 T-16409 1CT:1.36CT & 1CT:1.36CT 1.20 & 1.20 15 & 15 1.20 & 1.20 1.40 & 1.40 A 1-3, 4-6 T-16410 1CT:1.41CT & 1CT:1.41CT 0.80 & 0.80 15 & 15 1.00 & 1.20 1.00 & 1.20 A 12-10, 9-7 T-16411 1CT:2.3CT & 1CT:2CT 1.20 & 1.20 15 & 15 1.20 & 1.20 2.10 & 2.10 A 12-10, 4-6 T-16412 1CT:2CT & 1CT:2CT 1.20 & 1.20 15 & 15 0.70 & 0.70 1.20 & 1.20 A 12-10, 4-6 T-16413 1CT:2CT & 1:1.36CT 1.20 & 1.20 15 & 15 0.70 & 0.70 1.20 & 0.90 B 12-10, 4-6 T-16414 1:2CT & 1:1.14CT 1.20 & 1.20 15 & 15 0.70 & 0.70 1.20 & 0.90 E 12-10, 4-6 T-16415 1CT:2CT & 1:1 1.20 & 1.20 15 & 15 0.70 & 0.70 1.20 & 0.70 C 1-3, 4-6 T-16416 1:1.15CT & 1CT:2CT 1.20 & 1.20 15 & 15 0.70 & 0.70 0.90 & 1.20 D 12-10, 4-6 T-16417 1:1/1.26 & 1:2CT 1.50 & 1.20 15 & 15 0.70 & 0.70 0.90 & 1.20 E 12-10, 4-6 T-16418 1CT:2CT & 1:1.08CT 1.50 & 1.20 15 & 15 0.70 & 0.70 1.10 & 0.70 B 12-10, 4-6 T-16419 1:1/1.26 & 1:1/1.26 1.50 & 1.50 15 & 15 0.80 & 0.80 1.00 & 1.00 G 12-10, 9-7 1. ET-Product 10 V-µsec minimum. 2. OCL @ Pri., 100 mV & 100 kHz Schematic "A" Schematic "E" Schematic "B" Schematic "C" Schematic "F" Schematic "D" Schematic "G" PARTS SHIPPED IN ANTI-STATIC TUBES TAPE & REEL AVAILABLE Dimensions in inches (mm) Unused Pins Not Provided Specifications subject to change without notice. Rhombus Industries Inc. For other values & Custom Designs, contact factory. www.rhombus-ind.com T1SM12G3 15801 Chemical Lane, Huntington Beach, CA 92649-1595 Tel: (714) 898-0960 • Fax: (714) 896-0971