MIL-STD-1553 Transformers Hermatically-sealed SMT Dual non-QPL Interface Transformers These hermatically sealed non-QPL interface transformers are built and tested in ISO 9001 approved facilities. They conform to all electrical and physical parameters of MIL-PRF-21038/27 and provide performance as required over -55° to +125°C. Summary Performance Specifications Impedance (see table below) Droop £ 20% Overshoot ±1V MAX Common Mode Rejection (CMR) ³ 45dB Frequency Range (no load) 75kHz to 1MHz Operating Temperature Range -55° to +125°C Weight £ 5 grams Insualtion Resistance (MIN) 10K MΩ @ 250Vdc Dielectric Withstanding Voltage 100Vrms Part Number Dual ratio, single interface (see schematic) Surface Mount, flat pack package MSL: 3 For use in MIL-STD-1553 applications Performance to MIL-PRF-21038 requirements Built in ISO 9001 facility Applicable specifications: n MIL-STD-1553B n MIL-STD-202 n MIL-PRF-21038 n ISO 9001 Schematic Characteristics Ratio (±3%) 1CT:1CT 1CT:.707CT 1.4CT:1CT 2CT:1CT 1.25CT:1CT 1.66CT:1CT 1CT:2.12CT 1CT:1.5CT 1CT:2.5CT 1CT:1.79CT Termimals 1-3 : 4-8 1-3 : 5-7 1-3 : 4-8 1-3 : 5-7 1-3 : 4-8 1-3 : 5-7 1-3 : 4-8 1-3 : 5-7 1-3 : 4-8 1-3 : 5-7 H1553-1 H1553-2 H1553-3 1 H1553-5 1 H1553-45 NOTE: 1. Designed for transceivers utilizing a single supply voltage (+5V). Mechanical Notes: 1. All dimensions are in inches. 2. Tolerances: .xx = +.008 3. All specifications and dimensions are subject to change without notice. 1 RDC (Ω MAX) 1-3 = 3.0 4-8 = 3.0 1-3 = 3.5 4-8 = 3.0 1-3 = 3.2 4-8 = 3.0 1-3 = 1.0 4-8 = 3.5 1-3 = 1.0 4-8 = 3.5 Impedance (Ω MIN) (1-3) 4,000 (1-3) 7,200 (1-3) 4,000 (4-8) 4,000 (4-8) 4,000 pulseelectronics.com M232.B (11/14) MIL-STD-1553 Transformers Hermatically-sealed SMT Dual non-QPL Interface Trans- MIL-PRF-21038/27 Inspection, Sampling, Testing Table 1 — Group A Inspection Level “C”** Tests Level “M” Sampling Plan Level “T” Tests Sampling Plan Tests Sampling Plan N/A N/A Electrical Characteristics per MIL-PRF-21038/27 Sample per Table 3 Thermal Shock 100% N/A N/A Visual and Mechanical Inspection Sample per Table 3 Winding Continuity 100% Electrical Characteristics per MIL-PRF-21038/27 100% N/A N/A N/A N/A Sample per Table 3 N/A N/A N/A N/A Impedance Visual and Mechanical Inspection N/A N/A N/A N/A Sample per Table 3 Table 2 — Group B Inspection Level “C”** Tests Level “M” Sampling Plan Tests Level “T” N/A N/A Dielectric Withstanding Voltage Sampling Plan Sample per Table 3 N/A N/A Insulation Resistance Sample per Table 3 Tests Sampling Plan Dielectric Withstanding Voltage Sample per Table 3 Insulation Resistance Sample per Table 3 Table 3 — Sampling Plans for Group A and Group B Inspections Lot Size 1 to 5 6 to 13 14 to 50 51 to 90 91 to 150 151 to 280 281 to 500 501 to 1200 1,201 to 3,200 3,201 to 10,000 Group A, Group II Inspections All All 13 13 13 20 29 34 42 50 Group B All 5 5 7 11 13 16 19 23 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 Headquarters Two Pearl Buck Court Bristol, PA 19007 U.S.A. Pulse Europe Zeppelinstrasse 15 71083 Herrenberg Germany Tel: 215 781 6400 Fax: 215 781 6403 Tel: 49 7032 7806 0 Fax: 49 7032 7806 12 Pulse China Headquarters B402, Shenzhen Academy of Aerospace Technology Bldg. 10th Kejinan Road High-Tech Zone Nanshan District Shenzen, PR China 518057 Tel: 86 755 33966678 Fax: 86 755 33966700 Pulse North China Room 2704/2705 Super Ocean Finance Ctr. 2067 Yan An Road West Shanghai 200336 China Pulse South Asia 135 Joo Seng Road #03-02 PM Industrial Bldg. Singapore 368363 Pulse North Asia 3F No. 198, Zhongyuan Road Zhongli City Taoyuan County (32068) Taiwan Tel: 86 21 62787060 Fax: 86 2162786973 Tel: 65 6287 8998 Fax: 65 6287 8998 Tel: 886 3 4356768 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, 2014. Pulse Electronics, Inc. All rights reserved. 2 pulseelectronics.com M232.B (11/14)