MIL-STD-1553 TRANSFORMERS Low Profile 3.3V Pulse Transformers Ruggedized These Non-QPL interface transformers are built and tested in AS9100/ISO 9001 approved facilities. Designed for transceivers utilizing a single supply voltage to 3.3V Single transformer package Dual Ratio Max Reflow Temperature: 225C Summary Performance Specifications Moisture Sensitivity Level: Q1553: Level 1 Droop 20% MAX SMQ1553, GL1553, DGL1553: Level 3 Overshoot 1V MAX Common Mode Rejection (CMR) 45dB MIN Applicable Standards: Frequency Range (no load) 75kHz - 1MHz MIL-STD-1553B MIL-PRF-21038 Operating & Storage Temperature Range -55C to +125C MIL-STD-202 Weight 5 grams MAX Insulation Resistance 10K M MIN 250Vdc Dielectric Withstanding Voltage 100Vrms Electrical Specifications 25C Part Ratio RDC Impedance Number Terminals (3%) ( MAX) ( MIN) 1-3:4-8 1CT:3CT 1-3 = 0.35 4-8 Q1553-70 1-3:5-7 1CT:2.15CT 4-8 = 3.50 4000 1-3:4-8 1CT:3.54CT 1-3 = 0.35 4-8 Q1553-71 1-3:5-7 1CT:2.50CT 4-8 = 3.50 4000 1-3:4-8 1CT:3CT 1-3 = 0.35 4-8 SMQ1553-70 1-3:5-7 1CT:2.15CT 4-8 = 3.50 4000 1-3:4-8 1CT:3.54CT 1-3 = 0.35 4-8 SMQ1553-71 1-3:5-7 1CT:2.50CT 4-8 = 3.50 4000 1-3:4-8 1CT:3CT 1-3 = 0.80 4-8 GL1553-70 1-3:5-7 1CT:2.15CT 4-8 = 3.50 4000 1-3:4-8 1CT:3.54CT 1-3 = 0.80 4-8 GL1553-71 1-3:5-7 1CT:2.50CT 4-8 = 3.50 4000 1-3:16-13/5-7:12-9 1CT:3CT 1-3, 5-7 = 0.80 16-13 & 12-9 DGL1553-70 1-3:15-14/5-7:11-10 1CT:2.15CT 16-13, 12-9 = 3.50 4000 1-3:16-13/5-7:12-9 1CT:3.54CT 1-3, 5-7 = 0.80 16-13 & 12-9 DGL1553-71 1-3:15-14/5-7:11-10 1CT:2.50CT 16-13, 12-9 = 3.50 4000 NOTES: 1. Add suffix NL for RoHS compliant version i.e. Q1553-70 becomes Q1553-70NL. NL parts have 100% SN Lead Finish (MSL:4) Mechanicals Electrical Schematics Dimensions: inch mm Q1553 Tolerance (unless otherwise specified): 0.010 0.25 0.625 15.86 MAX 3 8 3 8 0.250 6.35 MAX 7 7 0.625 15.86 2 6 2 6 0.375 9.53 MAX MIN 0.0200.002 5 5 0.500.050 0.500 0.100 0.25 12.70 (x4) 1 4 0.200 10.16 1 4 (x4) 1 M128.H (01/22) 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, 2020. iNRCORE, LLC. All rights reserved. MIL-STD-1553 TRANSFORMERS Low Profile 3.3V Pulse Transformers Ruggedized Mechanicals Electrical Schematics Dimensions: inch mm SMQ1553 Tolerance (unless otherwise specified): 0.010 0.25 0.625 15.86 3 8 MAX 0.100 2.54 7 TYP 0.250 6.35 3 8 0.0200.002 MAX 0.5100.050 0.200 5.10 7 2 6 TYP 0.625 15.86 2 6 0.070 1.78 0.004 0.10 MAX 5 REF MIN 5 0.2500.030 1 4 1 4 6.350.760 Mechanicals Electrical Schematics Dimensions: inch mm GL1553 Tolerance (unless otherwise specified): 0.010 0.25 0.1000.005 2.540.130 3 8 TYP 3 8 7 0.155 3.94 0.630 16.0 7 MAX MAX 2 6 2 6 0.0100.002 0.250.050 0.2000.005 5 TYP 5 5.100.130 TYP 1 4 0.004 1 4 0.070 1.78 0.10 REF MIN 0.630 16.0 0.0200.002 MAX 0.510.050 0.2300.030 TYP 5.8420.762 Mechanicals Electrical Schematics Dimensions: inch mm DGL1553 Tolerance (unless otherwise specified): 0.010 0.25 1 16 0.630 16.0 MAX 15 0.0200.002 2 4 0.155 3.94 0.510.050 MAX TYP 14 0.0100.002 0.250.050 0.930 23.62 TYP 3 13 MAX 0.004 0.070 1.78 0.10 REF 5 12 MIN 0.2300.030 11 5.8420.762 0.1000.005 6 8 2.540.130 TYP 10 7 9 2 M128.H (01/22) 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, 2020. iNRCORE, LLC. All rights reserved.