The Axicom HF3 52=50 OHM 140MW 4.5V MONO relay, with SKU 1-1462051-6, is a high-performance signal and communication relay designed for printed circuit board mounting. Featuring a PCB-SMT terminal type, this relay offers low insertion loss, with values of -.03 dB at 100 MHz, -.12 dB at 900 MHz, and -.35 dB at 3 GHz. With one pole and a coil resistance of 145 Ω, it operates efficiently at a coil voltage of 5 VAC. The contact configuration of 1 Form C (CO) and a maximum switching voltage of 220 VDC, 250 VAC ensure reliable performance. Isolation levels of -45 dB at 3 GHz, -72 dB at 900 MHz, and -80 dB at 100 MHz guarantee signal integrity. With a contact current rating of 2 A, this relay is suitable for a wide range of applications in HVAC and beyond, though it is not RoHS compliant. With its compact dimensions of .574 x .283 x .358 in (14.6 x 7.2 x 9.1 mm) and a monostable coil type, the HF3 relay offers efficient and dependable signal switching.