The TQ2SA-L-12V is a 1-coil latching relay featuring 2 Form C contacts and a 12 V DC nominal coil voltage, designed for surface-mount applications with a flat compact size of 14.0 mm (L) × 9.0 mm (W) × 5.0 mm (H). This relay offers high sensitivity with nominal operating power of 140 mW and outstanding surge resistance, meeting FCC Part 68 specifications of 1,500 V 10×160 µs for open contacts. The device incorporates low thermal electromotive force (approximately 5 µV) and is suitable for use in telephone-related equipment, communications, and measurement applications where reliable switching and compact form factor are essential.