MIL-STD-1553 Multiplex Data Bus TransformerSeries LL-68500
LL-68505-SM render 1

LL-68505-SM

Series LL-68500 – Low Leakage Data-Bus Transformer

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Specifications

MountingSurface Mount
Turns Ratio (±3%)1.4:1
2:1
Primary Terminals1-3
Secondary Terminals4-8
5-7
DC Resistance Ω (max.)(1-3) 2.90
(4-8) 1.08
Impedance Ω (Min.)7200
Typ. Leakage Inductance (μH)(1-3)
4.7
CMR (dB min.)45
Droop % (typ.)10
Overshoot (V)±1
Dielectric Withstanding Voltage (Vrms)100
Operational Temperature (°C)-55 to +130
Typical Weight (g)4.2
Size (L x W x H) inches0.625 x 0.625 x 0.32
Moisture Sensitivity Level3
CaseGlass Reinforced Polymer
ConstructionEncapsulated
Manufactured toMIL-PRF-21038

Description

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.