TLC1553-45

Overview

The TLC1553-45 is a pulse transformer manufactured by iNRCORE, LLC, designed for MIL-STD-1553 bus interface applications. It utilizes a through-hole mounting type and operates within a frequency range of 75 kHz to 1 MHz. The component supports a maximum DC resistance of 3.5 Ohms and functions across an extended temperature range from -55°C to +125°C. Physical dimensions are specified as 15.86 mm in length, 15.86 mm in width, and 6.35 mm in height. The unit features specific turn ratios of 1CT:2.5CT and 1CT:1.79CT.

Feature Summary

• Designed specifically for MIL-STD-1553 bus interface requirements
• Capable of operation in extreme environmental conditions ranging from -55°C to +125°C
• Constructed with through-hole termination for robust mechanical integration

Applications

• MIL-STD-1553 data bus systems
• Avionics communication interfaces
• Military-grade electronic equipment

Procurement Notes

Verify the specific manufacturer part number against official iNRCORE documentation to ensure compatibility with MIL-STD-1553 standards. Confirm that the through-hole package dimensions and electrical parameters match system design requirements before procurement. Check for any recent product change notifications or obsolescence notices directly from the manufacturer to avoid supply chain disruptions.

Selection Notes

Select this component when designing systems requiring compliance with MIL-STD-1553 protocols. Ensure the circuit layout accommodates the through-hole footprint and physical size constraints. Consider the operating temperature range if the application involves harsh environments. Validate that the turn ratios align with the signal integrity needs of the connected transceivers.

Part Context

This component belongs to the iNRCORE family of interface transformers specialized for military and aerospace applications. It serves as a critical isolation element in serial data buses, ensuring signal integrity and noise immunity. The product line focuses on reliability and adherence to strict military specifications for defense electronics.

Replacement Considerations

Consult official substitution lists from iNRCORE for verified alternatives. Generic replacements may not meet MIL-STD-1553 electrical or mechanical requirements. Verify pinout and dimensional compatibility before considering any cross-reference parts.

FAQ

What is the primary function of the TLC1553-45?

It serves as a pulse transformer for MIL-STD-1553 bus interface applications.

Does the TLC1553-45 support surface mount technology?

No, it utilizes a through-hole mounting type.