MIL-STD-1553 Transformers Dual Ratio SMT QPL Pulse Transformers Qualified for use in QPL MIL-STD-1553 applications Dual ratio in a single package (see Schematic) MSL: 3 Designed, built, and tested to MIL-PRF-21038 Levels* C, M, and T Two packages available: Package B has gull-wing leads, and Package F is flat pack Built in ISO 9001 facility Applicable specifications n MIL-STD-1553B n Summary Performance Specifications MIL-STD-202 Impedance (see next page) n MIL-PRF-21038 Droop 20% n ISO 9001 Overshoot 1V MAX * n Level C - for high reliability commercial/industrial applications Common Mode Rejection (CMR) 45dB n Level M - for general purpose military applications Frequency Range (no load) 75kHz to 1MHz n Level T - for high reliability critical military applications Operating Temperature Range -55C to 130C Weight 5 grams Insualtion Resistance (MIN) 10K M 250Vdc Dielectric Withstanding Voltage 100Vrms Package B Package F Notes: 1. All dimensions are in inches. 2. Tolerances: .xx = +.008 3. All specifications and dimensions are subject to change without notice. 1 pulseelectronics.com M225.B (11/14)MIL-STD-1553 Transformers Dual Ratio SMT QPL Pulse Transformers Characteristics Military Pulse Height Ratio RDC Impedance Line Level Package Terminals Designation No. Part No. (in. MAX) (3%) (W MAX) (W MIN) 1 C M21038/27-11C SMQC1553-6 1-3:4-8 1CT:1CT 1-3 3.0 (1-3) 2 M M21038/27-11 SMQ1553-6 B .250 1-3:5-7 1CT:.707CT 4-8 3.0 4,000 3 T M21038/27-11T SMQT1553-6 4 C M21038/27-12C SMQC1553-7 1-3:4-8 1.4CT:1CT 1-3 3.5 (1-3) 5 M M21038/27-12 SMQ1553-7 B .250 1-3:5-7 2CT:1CT 4-8 3.0 7,200 6 T M21038/27-12T SMQT1553-7 7 C M21038/27-13C SMQC1553-8 1-3:4-8 1.25CT:1CT 1-3 3.2 (1-3) 8 M M21038/27-13 SMQ1553-8 B .250 1-3:5-7 1.66CT:1CT 4-8 3.0 4,000 9 T M21038/27-13T SMQT1553-8 10 C M21038/27-15C SMQC1553-10* 1-3:4-8 1CT:2.12CT 1-3 1.0 (4-8) 11 M M21038/27-15 SMQ1553-10* B .250 1-3:5-7 1CT:1.5CT 4-8 3.5 4,000 12 T M21038/27-15T SMQT1553-10* 13 C M21038/27-16C FPQC1553-6 1-3:4-8 1CT:1CT 1-3 3.0 (1-3) 14 M M21038/27-16 FPQ1553-6 F .250 1-3:5-7 1CT:.707CT 4-8 3.0 4,000 15 T M21038/27-16T FPQT1553-6 16 C M21038/27-17C FPQC1553-7 1-3:4-8 1.4CT:1CT 1-3 3.5 (1-3) 17 M M21038/27-17 FPQ1553-7 F .250 1-3:5-7 2CT:1CT 4-8 3.0 7,200 18 T M21038/27-17T FPQT1553-7 19 C M21038/27-18C FPQC1553-8 1-3:4-8 1.25CT:1CT 1-3 3.2 (1-3) 20 M M21038/27-18 FPQ1553-8 F .250 1-3:5-7 1.66CT:1CT 4-8 3.0 4,000 21 T M21038/27-18T FPQT1553-8 22 C M21038/27-20C FPQC1553-10* 1-3:4-8 1CT:2.12CT 1-3 1.0 (4-8) 23 M M21038/27-20 FPQ1553-10* F .250 1-3:5-7 1CT:1.5CT 4-8 3.5 4,000 24 T M21038/27-20T FPQT1553-10* 25 C M21038/27-27C SMQC1553-45* 1-3:4-8 1CT:2.50CT 1-3 1.0 (4-8) 26 M M21038/27-27 SMQ1553-45* B .250 1-3:5-7 1CT:1.79CT 4-8 3.5 4,000 27 T M21038/27-27T SMQT1553-45* 28 C M21038/27-31C FPQC1553-45* 1-3:4-8 1CT:2.50CT 1-3 1.0 (4-8) 29 M M21038/27-31 FPQ1553-45* F .250 1-3:5-7 1CT:1.79CT 4-8 3.5 4,000 30 T M21038/27-31T FPQT1553-45* *NOTE: Designed for transceivers utilizing a single supply voltage (+5V). 2 pulseelectronics.com M225.B (11/14)