1617559

Overview

The TE Connectivity 1617559 is a general-purpose power relay from the CII series, manufactured by TE Connectivity Aerospace, Defense and Marine. It features a double-pole double-throw (DPDT) contact configuration with two Form C circuits. The unit utilizes a through-hole mounting style for secure PCB integration. Designed for robust performance in demanding environments, it operates within a temperature range of -55°C to +125°C. The relay supports high switching voltages up to 28VDC and carries an ampacity rating suitable for various industrial applications.

Feature Summary

• Double-pole double-throw (DPDT) contact arrangement providing two independent switching paths
• Through-hole termination method ensuring stable mechanical connection on printed circuit boards
• Wide operational temperature tolerance suitable for harsh environmental conditions
• General-purpose design optimized for reliable signal and power control tasks

Applications

• Industrial automation control systems
• Telecommunications equipment switching
• Automotive electronic modules
• Defense and marine instrumentation

Procurement Notes

Verify the specific coil voltage and contact material variant required for your application, as the base part number may denote a family rather than a single unique specification. Confirm that the through-hole footprint matches your PCB layout constraints. Ensure compliance with RoHS or non-RoHS requirements based on project specifications before finalizing procurement orders.

Selection Notes

Select this component when a DPDT configuration is necessary for complex switching logic. Evaluate the coil drive characteristics against available control signals to ensure proper actuation. Consider the thermal management capabilities given the wide operating temperature range. Verify that the physical dimensions fit within the designated enclosure space alongside other board-mounted components.

Part Context

This relay belongs to the CII series, known for reliability in aerospace and defense sectors. It serves as a critical electromechanical switch in systems requiring isolated control circuits. The manufacturer specializes in high-reliability interconnect solutions for mission-critical applications across multiple industries.

Replacement Considerations

Check for direct substitutes within the same CII series offering identical pinouts and electrical ratings. Cross-reference compatible relays from other manufacturers only if mechanical and electrical parameters match exactly. Validate form-fit-function compatibility before implementing any alternative sourcing strategies.