Addicore 10 Pack LM317T Adjustable 2.2-37V LM317 Voltage Regulator in Antistatic Foam Pins are protected in anti-static foam and parts are in resealable packaging with Addicore LM317 info card Output: +1.2-37 V, 2.2A for Vin-Vout  15V, 400mA at Vin-Vout = 40V Input-reference differential voltage (Vin-Vout): 40V Maximum Internal protections: current limiting, thermal shutdown, and safe operating area (SOA) control Package: TO-220; Pin Spacing Pitch: 2.54mm (0.1in); Hole Diameter: 3.8mm (0.15in)