Brand: RadioShack. MPN: 275-0241. . Your source for component parts. Fast response small size and low cost make this 1 amp SPDT relay a good choice for robotics computer interfacing and projects that require several relays. -Coil rating of 12VDC -37.5mA -320 ohms -Body size of 1-1/32x3/8x1/4 -SPDT 1A at 125VAC.