back to "Contents" PULSE SPECIALTY COMPONENTS Dual ratio surface mount QPL pulse transformers n qualified for use in QPL MIL-STD-1553 applications n dual ratio in a single package, see schematic n designed, built, and tested to MIL-PRF-21038 Level C, M, and T* n two packages available: Package B has gull-wing leads; Package F is flat pack n built in ISO 9002 facility APPLICABLE SPECIFICATIONS SUMMARY PERFORMANCE SPECIFICATIONS n MIL-STD-1553B n MIL-T-10727 n MIL-STD-202 n ISO Impedance..................................................... 9002 n MIL-PRF-21038/27* *MIL-PRF-21038E (8 July 1998) supersedes MIL-T-21038D (11 May 1979) and establishes three product levels for low power pulse transformers: n Level C - for high reliability commercial/industrial applications; n Level M - for general purpose military applications; n Level T - for high reliability critical military applications. Droop............................................................ Overshoot..................................................... Common mode rejection (CMR)................. Frequency range (no load)........................... Operating temperature range....................... Weight.......................................................... Insulation resistance (min)........................... Dielectric withstanding voltage.................... see table, next page < 20% + 1V max > 45 dB 75 kHz to 1MHz -55oC to 130oC < 5 grams 10K megohms @ 250 Vdc 100 Vrms SCHEMATIC AND DIMENSIONS Note: Contact factory for SMQ1553-9 and FPQ1553-9 schematic Package "B" (side view) Package "F" (side view) TWO PEARL BUCK COURT l BRISTOL, PA 19007-6812 l TEL 215-781-6400 l QPL Transformers -- 8 FAX 215-781-6403 l www.pulsespecialty.com back to "Contents" PULSE SPECIALTY COMPONENTS CHARACTERISTICS n dual LINE LEVEL MILITARY DESIGNATION NUMBER NUMBER TECHNITROL PART NO. 1 C M 21038/27-11C SM QC1553-6 2 M M 21038/27-11 SM Q1553-6 3 T M 21038/27-11T SM QT1553-6 4 C M 21038/27-12C SM QC1553-7 5 M M 21038/27-12 SM Q1553-7 6 T M 21038/27-12T SM QT1553-7 7 C M 21038/27-13C SM QC1553-8 8 M M 21038/27-13 SM Q1553-8 9 T M 21038/27-13T SM QT1553-8 10 C M 21038 /27-15C SM QC1553-10 11 M M 21038 /27-15 SM Q1553-10 12 T M 21038 /27-15T SM QT1553-10 13 C M 21038 /27-16C FPQC1553-6 14 M M 21038 /27-16 FPQ1553-6 15 T M 21038 /27-16T FPQT1553-6 16 C M 21038 /27-17C FPQC1553-7 17 M M 21038 /27-17 FPQ1553-7 18 T M 21038 /27-17T FPQT1553-7 19 C M 21038 /27-18C FPQC1553-8 20 M M 21038 /27-18 FPQ1553-8 21 T M 21038 /27-18T FPQT1553-8 22 C M 21038 /27-20C FPQC1553-10 23 M M 21038 /27-20 FPQ1553-10 24 T M 21038 /27-20T FPQT1553-10 25 C M 21038 /27-27C SM QC1553-45* 26 M M 21038 /27-27 SM Q1553-45* 27 T M 21038 /27-27T SM QT1553-45* 28 C M 21038 /27-31C FPQC1553-45* 29 M M 21038 /27-31 FPQ1553-45* 30 T M 21038 /27-31T FPQT553-45* PACKAGE PACKAGE HEIGHT (in.) (in.) MAX B .250 B TERMINA LS ratio n surface mounting RATIO (+3%) RDC RDC (o hms) MAX MAX IMPEDANCE (ohms) MIN 1-3:4-8 1-3:5-7 1CT :1CT 1CT :.707CT 1-3 3.0 1-3 3.0 (1-3) 4,000 .250 1-3:4-8 1-3:5-7 1.4CT :1CT 2CT :1CT 1-3 3.5 4-8 3.0 (1-3) 7,200 B .250 1-3:4-8 1-3:5-7 1.25CT:1CT 1.66CT:1CT 1-3 3.2 4-8 3.0 (1-3) 4,000 B .250 1-3:4-8 1-3:5-7 1CT :2.12CT 1CT :1.5CT 1-3 1.0 4-8 3.5 (4-8) 4,000 F .250 1-3:4-8 1-3:5-7 1CT :1CT 1CT :.707CT 1-3 3.0 4-8 3.0 (1-3) 4,000 F .250 1-3:4-8 1-3:5-7 1.4CT :1CT 2CT :1CT 1-3 3.5 4-8 3.0 (1-3) 7,200 F .250 1-3:4-8 1-3:5-7 1.25CT:1CT 1.66CT:1CT 1-3 3.2 4-8 3.0 (1-3) 4,000 F .250 1-3:4-8 1-3:5-7 1CT :2.12CT 1CT :1.5CT 1-3 1.0 4-8 3.5 (4-8) 4,000 B .250 1-3:4-8 1-3:5-7 1CT :2.50CT 1CT :1.79CT 1-3 1.0 4-8 3.5 (4-8) 4,000 F .250 1-3:4-8 1-3:5-7 1CT :2.50CT 1CT :1.79CT 1-3 1.0 4-8 3.5 (4-8) 4,000 *Designed for transceivers utilizing a single supply voltage (+5V). TWO PEARL BUCK COURT l BRISTOL, PA 19007-6812 l TEL 215-781-6400 l QPL Transformers -- 9 FAX 215-781-6403 l www.pulsespecialty.com