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Manufacturer: Marked HL Type: 5V DC Electromagnetic Relay (SPDT - Single Pole Double Throw). Package Style: “Sugar Cube” (T73 form factor) PCB Mount. This is a very common relay used in electronics to control high-voltage/high-current devices (like lights, fans, or motors) using a low-voltage signal (like 5V from an Arduino or microcontroller). Coil Voltage 5V DC (Nominal) Coil Power Approx. 0.36W - 0.45W Coil Resistance ~70Ω to 80Ω (Typical) Contact Configuration SPDT (1 Form C) — Has Common (COM), Normally Open (NO), and Normally Closed (NC) Max Switching Voltage 250V AC / 30V DC Max Switching Current 7A / 10A (Depending on voltage, see below) Operate Time ≤ 10 ms Release Time ≤ 5 ms Electrical Life > 100,000 Operations