The 172M4-5 is an ultraminiature, hermetically sealed, DPDT (2 Form C) armature relay designed for high-density commercial applications. It operates on a nominal coil voltage of 5.0 Vdc with a coil resistance of 64 ohms and features a maximum operate time of 6.0 ms. This relay provides a resistive contact rating of 1A at 28Vdc, has a low profile height of 0.280 inches, and includes an M4 spacer pad. Its all-welded construction and precious metal alloy contacts ensure high reliability and excellent switching capabilities for both high current and dry circuits. Common applications include telecommunications, test instruments, mobile communications, attenuators, and automatic test equipment.