MIL-temperature-range surface mount dual stacked MIL-PRF-21038 Interface Transformers (-55o to +130o C) These non-QPL interface transformers conform to all electrical and physical parameters of MIL-PRF-21038/27 and provide performance as required over -55o to +130o C. Built and tested in ISO 9002 approved facilities. for use in MIL-STD-1553 applications two dual ratio transformers in a single package performance to MIL-PRF-21038/27 requirements built in ISO 9002 facility -55o to +130o C operating temperature APPLICABLE SPECIFICATIONS MIL-STD-1553B MIL-STD-202 MIL-T-10727 MIL-PRF-21038 ISO 9002 SUMMARY PERFORMANCE SPECIFICATIONS Impedance................................................................................................... see table Droop.............................................................................................................. < 20% Overshoot.................................................................................................. + 1V max Common mode rejection (CMR)................................................................. > 45 dB Frequency range (no load)............................................................. 75 kHz to 1MHz Operating temperature range........................................................... -55o to +130oC Weight....................................................................................................... < 5 grams Insulation resistance (min)........................................... 10K megohms @ 250 Vdc Dielectric withstanding voltage................................................................ 100 Vrms TWO PEARL BUCK COURT BRISTOL, PA 19007-6812 TEL 215-781-6400 FAX 215-781-6403 www.pulsespecialty.com CHARACTERISTICS PA RT NO. TERMINALS RA TIO (+3%) RDC (ohm s) MA X IM PEDA NC E (ohms) MIN SGQ1553-1 SFQ1553-1 1-3:4-8 (11-13:14-18) 1CT:1CT 1-3 (11-13) 3.5 (1-3 & 11-13) 1-3:5-7 (11-13:15-17) 1.41CT:1CT 4-8 (14-18) 3.0 4,000 SGQ1553-2 SFQ1553-2 1-3:4-8 (11-13:14-18) 1-3:5-7 (11-13:15-17) 1.4CT:1CT 2CT:1CT 1-3 (11-13) 3.0 4-8 (14-18) 3.0 (1-3 & 11-13) 7,200 SGQ1553-3 1-3:4-8 (11-13:14-18) 1.25CT:1CT 1-3 (11-13) 3.2 (1-3 & 11-13) SFQ1553-3 1-3:5-7 (11-13:15-17) 1.66CT:1CT 4-8 (14-18) 3.0 4,000 SGQ1553-5* 1-3:4-8 (11-13:14-18) 1CT:2.12CT 1-3 (11-13) 1.0 (4-8 & 14-18) SFQ1553-5* 1-3:5-7 (11-13:15-17) 1CT:1.5CT 4-8 (14-18) 3.5 4,000 SGQ1553-45* SFQ1553-45* 1-3:4-8 (11-13:14-18) 1-3:5-7 (11-13:15-17) 1CT:2.5CT 1CT:1.79CT 1-3 (11-13) 1.0 4-8 (14-18) 3.5 (4-8 & 14-18) 4,000 *Designed for transceivers utilizing a single supply voltage (+5V). SCHEMATICS AND DIMENSIONS SGQ1553-X SFQ1553-X Notes: 1. All dimensions are in inches. 2. Tolerances: .xx = +.008 3. All specifications and dimensions are subject to change without notice. TWO PEARL BUCK COURT BRISTOL, PA 19007-6812 TEL 215-781-6400 FAX 215-781-6403 www.pulsespecialty.com