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 -55°C to 130°C Weight £ 5 grams Insualtion Resistance (MIN) 10K MΩ @ 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) MIL-STD-1553 Transformers Dual Ratio SMT QPL Pulse Transformers MIL-PRF-21038/27 Inspection, Sampling, Testing Table 1 — Group A Inspection Level “C”** Level “M” Level “T” Tests Sampling Plan Tests Sampling Plan Tests Sampling Plan Electrical Characteristics Sample per N/A N/A Thermal Shock 100% per MIL-PRF-21038/27 Table 3 Visual and Mechanical Sample per N/A N/A Winding Continuity 100% Inspection Table 3 Electrical Characteristics 100% N/A N/A N/A N/A per MIL-PRF-21038/27 Sample per N/A N/A N/A N/A Impedance Table 3 Visual and Mechanical Sample per N/A N/A N/A N/A Inspection Table 3 Table 2 — Group B Inspection Level “C”** Level “M” Level “T” Tests Sampling Plan Tests Sampling Plan Tests Sampling Plan Sample per Dielectric Withstanding Dielectric Withstanding Sample per N/A N/A Voltage Table 3 Voltage Table 3 Insulation Sample per Insulation Sample per N/A N/A Resistance Table 3 Resistance Table 3 Table 3 — Sampling Plans for Group A and Group B Inspections Lot Size Group A, Group II Inspections Group B 1 to 5 All All 6 to 13 All 5 14 to 50 13 5 51 to 90 13 7 91 to 150 13 11 151 to 280 20 13 281 to 500 29 16 501 to 1200 34 19 1,201 to 3,200 42 23 3,201 to 10,000 50 29 **NOTE: Parts ordered to Level C are certified to comply with MIL-PRF-21038 Level C, however testing is performed per manufacturer’s internal requirements and sampling rates. For More Information Pulse North America Pulse Europe Pulse China Headquarters Pulse North China Pulse South Asia Pulse North Asia Headquarters Zeppelinstrasse 15 B402, Shenzhen Academy of Room 2704/2705 135 Joo Seng Road 3F No. 198, Zhongyuan Road Two Pearl Buck Court 71083 Herrenberg Aerospace Technology Bldg. Super Ocean Finance Ctr. #03-02 Zhongli City Bristol, PA 19007 Germany 10th Kejinan Road 2067 Yan An Road West PM Industrial Bldg. Taoyuan County (32068) U.S.A. High-Tech Zone Shanghai 200336 Singapore 368363 Taiwan Nanshan District China Shenzen, PR China 518057 Tel: 215 781 6400 Tel: 49 7032 7806 0 Tel: 86 755 33966678 Tel: 86 21 62787060 Tel: 65 6287 8998 Tel: 886 3 4356768 Fax: 215 781 6403 Fax: 49 7032 7806 12 Fax: 86 755 33966700 Fax: 86 2162786973 Fax: 65 6287 8998 Fax: 886 3 4356823 Performance warranty of products offered on this data sheet is limited to the parameters specified. Data is subject to change without notice. Other brand and product names mentioned herein may be trademarks or registered trademarks of their respective owners. © Copyright, 2013. Pulse Electronics, Inc. All rights reserved. 3 pulseelectronics.com M225.B (11/14)