MIL-STD-1553 Multiplex Data Bus TransformerSeries 68500
68515 render 1

68515

Series 68500 – MIL-STD-1553 Data Bus Transformer

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Electrical SchematicDatasheetTechnical Drawing3D Step FileLand Pattern

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Specifications

MountingSurface Mount
Turns Ratio (±3%)2.3:1
3.2:1
Primary Terminals4-8
5-7
Secondary Terminals1-3
DC Resistance Ω (Max.)(1-3) 1.2
(4-8) 3.0
Impedance Ω (Min.)3000
CMR (dB min.)45
Droop % (max.)20
Overshoot (V)±1
Dielectric Withstanding Voltage (Vrms)100
Insulation Resistance at 250VDC≥ 1 GΩ
Operational Temperature (°C)-55 to +130
Maximum Weight (g)5
Size (L x W x H) inches0.625 x 0.625 x 0.315
Moisture Sensitivity Level3
CaseGlass Reinforced Polymer
ConstructionEncapsulated
Manufactured toMIL-PRF-21038

Description

Pico’s 65000 series is the surface mount version but electrical equivalent to the QPL of data-bus transformers in MIL-PRF-21038/27. This design with gull wing terminals is convenient than the through-hole versions of the MIL-PRF-21038/27 for pick and place manufacturing process on the PCB. These parts are reliable for enabling data transmission and electrical isolation in MIL-STD-1553 compliant systems.