back to "Contents" PULSE SPECIALTY COMPONENTS Dual ratio through-the-board 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 Levels C, M, and T* n two packages available: Package A without standoffs, Package G with standoffs n built in ISO 9002 facility SCHEMATIC AND DIMENSIONS APPLICABLE SPECIFICATIONS n MIL-STD-1553B n MIL-STD-202 n MIL-T-10727 n MIL-PRF-21038/27* n ISO Package A 9002 .250 SUMMARY PERFORMANCE SPECIFICATIONS Impedance..................................................... 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 *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. TWO PEARL BUCK COURT l BRISTOL, PA 19007-6812 l TEL 215-781-6400 l QPL Transformers -- 6 Package G Notes: 1. All dimensions are in inches. 2. Tolerances: .xx = +.008 3. All specifications and dimensions are subject to change without notice. FAX 215-781-6403 l www.pulsespecialty.com back to "Contents" PULSE SPECIALTY COMPONENTS CHARACTERISTICS n dual LINE LEVEL MILITARY DESIGNATION DESIGNATION NUMBER NUMBER TECHNITROL TECHNITROL PART NO. 1 C M21038/27-01C QC1553-1 2 M M21038/27-01 Q1553-1 3 T M21038/27-01T QT1553-1 4 C M21038/27-02C QC1553-2 5 M M21038/27-02 Q1553-2 6 T M21038/27-02T QT 1553-2 7 C M21038/27-03C QC1553-3 8 M M21038/27-03 Q1553-3 9 T M21038/27-03T QT1553-3 10 C M21038/27-10C QC1553-5* 11 M M21038/27-10 Q1553-5* 12 T M21038/27-10T QT1553-5* 13 C M21038/27-21C QC1553-81 14 M M21038/27-21 Q1553-81 15 T M21038/27-21T QT1553-81 16 C M21038/27-22C QC1553-82 17 M M21038/27-22 Q1553-82 18 T M21038/27-22T QT1553-82 19 C M21038/27-23C QC1553-83 20 M M21038/27-23 Q1553-83 21 T M21038/27-23T QT1553-83 22 C M21038/27-24C QC1553-84 23 M M21038/27-24 Q1553-84 24 T M21038/27-24T QT1553-84 25 C M21038/27-25C QC1553-85 26 M M21038/27-25 Q1553-85 27 T M21038/27-25T QT1553-85 28 C M21038/27-26C QC1553-45* 29 M M21038/27-26 Q1553-45* 30 T M21038/27-26T QT1553-45* RATIO (+3%) ratio n through RDC (ohms) MAX the board PACK AGE HEIGHT (in.) (in.) MAX MAX TERMINALS IMPEDANCE (ohm s) MIN MIN A .250 1-3:4-8 1-3:5-7 1CT:1CT 1CT:.707CT 1-3 3.0 4-8 3.0 (1-3) 4000 A .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 A .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) 4000 A .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 G .275 1-3:4-8 1-3:5-7 1CT:1CT 1CT :.707CT 1-3 3.0 4-8 3.0 (1-3) 4,000 G .275 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 G .275 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 G .275 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 G .275 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 A .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 -- 7 FAX 215-781-6403 l www.pulsespecialty.com