Low Leakage MIL-STD-1553 Multiplex Data Bus TransformerPRODUCT OVERVIEW Typical applications: • Propulsion Control • Precision Guiding Systems • Data Management The LL-68500-TH & LL-68500-SM series are Low Leakage MIL-STD-1553 Interface / Multiplex Data Bus Pulse transformers in an encapsulated package with design layouts as through-hole or surface mount types. These transformers are designed for the lowest possible leakage inductance and DC resistance. The transparent signal processing for data transfer with minimal distortion making them ideal for aerospace and military applications. Extreme resistance to impact, shock, and vibration Manufactured to MIL-PRF-21038 and MIL-STD-1553 High reliability for space and mission critical applications Ultra miniature in size and minimalistic design Design layouts in through-hole or surface mount types Contact Pico for part number of available options: • Screening and qualification criteria to flight standard • Fully RoHS compliant or with exemption 7(a) • Modifications to mechanical design and electrical characteristics • Custom new design and parameters

MIL-STD-1553 Multiplex Data Bus Transformer PICO SPECIFICATIONSLL-68500-TH SERIES - THROUGH HOLE LL-68500-SM SERIES - SURFACE MOUNT Through Note 1: For RoHS compliance on a through-hole component, please consult with Pico's engineer and provide the part number. Note 2: All SMDs are available with Pb-free dipped terminals that's compliant to RoHS exemption 7 by requesting part number + ‘-RoHS-7'

MIL-STD-1553 Multiplex Data Bus Transformer PICO SPECIFICATIONS GENERAL Note 3: Screening and qualification tests are not limited to the options in the chart above. Each standard may also be stringent or exclude certain tests from one another. Please contact Pico for specific application needs and for Pico part number.

Multiplex LL-68500 Series MIL-STD-1553 Data Bus Transformer ELECTRICAL SCHEMATIC SCHEMATIC 1 MEASUREMENT SCHEMATICS DROOP DROOP GRAPH Notes EIN = 27 VP-P Frequency = 250 kHz TAIN = 100 ns max.

Multiplex LL-68500 Series MIL-STD-1553 Data Bus Transformer MEASUREMENT SCHEMATICS IMPEDANCE 100Ω * ACROSS HIGH TURN SIDE Notes Z= COMMON MODE REJECTION Notes EIN = 10 VRMS Frequency = 1 MHz CMR = 20 Log10 (ELIN / ECM)

Multiplex LL-68500 Series MIL-STD-1553 Data Bus Transformer MECHANICAL DRAWINGS LL-68500-TH SERIES - THROUGH HOLE SIZE A BOTTOM VIEW BOTTOM VIEW SIZE C BOTTOM VIEW NOTES a. ALL DIMENSIONS ARE IN INCHES, [ ] = MM b. TERMINALS ARE CLOCKWISE FROM PIN #1 2026 REV 2 www.PicoElectronics.com | LL-68500-TH & LL-68500-SM Serie

Multiplex LL-68500 Series MIL-STD-1553 Data Bus Transformer MECHANICAL DRAWINGS LL-68500-SM - SURFACE MOUNT SIZE A BOTTOM VIEW BOTTOM VIEW LEAD DETAILS BOTTOM VIEW NOTES a. ALL DIMENSIONS ARE IN INCHES, [ ] = MM b. TERMINALS ARE CLOCKWISE FROM PIN #1

Multiplex LL-68500 Series MIL-STD-1553 Data Bus Transformer RECOMMENDED LAND PATTERN DIMENSIONS LL-68500-SM - SURFACE MOUNT SIZE A LL-68500-SM - SURFACE MOUNT SIZE B LL-68500-SM - SURFACE MOUNT SIZE C .100 [2.540] BOX PACKAGING - LL-68500-TH SERIES - THROUGH HOLE TRANSFORMER CARDBOARD CARRIER DETAIL A

Multiplex LL-68500 Series MIL-STD-1553 Data Bus Transformer TUBE PACKAGING - LL-68500-SM - SURFACE MOUNT 20.000 [508.000] PLAN VIEW ELEVATION VIEW TUBE PACKAGE TUBE PLUG TUBE PLUG Pico warrants each product manufactured by us and sold by us or an authorized representative, to be free from defects in material and workmanship. If properly used, it will perform within its applicable specifications for a period of one year after original shipment. Pico’s obligation under this guarantee is limited to repairing or replacing our product to the original purchaser. This warranty is in lieu of all other...