TL1553-2

Pulse Transformers Overview

The TL1553-2 is a MIL-STD-1553 interface pulse transformer manufactured by iNRCORE, LLC. It features a surface mount package with dimensions of 0.630 inches in length and width, and a maximum height of 0.159 inches. The component utilizes a turns ratio of 1.4CT:1CT and 2CT:1CT. It operates within a temperature range of -55°C to 130°C. The device is classified as non-QPL military grade and does not comply with RoHS standards. Moisture sensitivity level is rated at 3 (168 hours).

Pulse Transformers Feature Summary

• Designed for MIL-STD-1553 bus interface applications.
• Surface mount construction for automated assembly.
• Wide operating temperature range suitable for harsh environments.

Pulse Transformers Applications

• MIL-STD-1553 data bus systems
• Military aerospace communication interfaces
• Pulse transformer coupling circuits

Pulse Transformers Procurement Notes

Verify the specific manufacturing date code and lot traceability upon receipt, as this component is non-QPL but intended for military-grade applications. Confirm that the surface mount footprint matches the design specifications, noting the 0.630 x 0.630 inch dimensions. Ensure storage conditions adhere to the MSL 3 rating to prevent moisture damage before reflow soldering.

Pulse Transformers Selection Notes

Select the TL1553-2 when a surface mount solution is required for MIL-STD-1553 interfaces. Compare against through-hole alternatives like the TL1553-2 if board space allows, though this model offers compact integration. Verify that the 1.4CT:1CT and 2CT:1CT turns ratios align with the system's impedance matching requirements and signal integrity needs.

Pulse Transformers Part Context

This part belongs to the iNRCORE MIL-STD-1553 pulse transformer family, which includes various pin and surface mount options. It serves as a magnetic isolation component for digital data buses. The series is characterized by robust construction for aerospace and defense sectors, offering reliable performance under strict environmental constraints defined by military standards.

Pulse Transformers Replacement Considerations

The GL1553-1 is a similar surface mount MIL-STD-1553 pulse transformer from the same manufacturer. However, it features different turns ratios (1CT:1CT, 1CT:0.707CT) compared to the TL1553-2. Direct substitution requires verification of electrical compatibility and circuit design alignment.

Pulse Transformers FAQ

What is the physical package type of the TL1553-2?

It is a surface mount device with dimensions of 0.630 inches by 0.630 inches.

Is the TL1553-2 compliant with RoHS regulations?

No, the component is explicitly stated as not RoHS compliant.