Fixed/adjustable: Adjustable output voltage.. Function: Integrated thermal protection. Max output voltage: 37V. Minimum output voltage: 1.2V. Output polarity: positive. Equivalents: LM317D2TR4G, LM317D2T-TR. Output current: 1.5A. RoHS: yes. Assembly/installation: surface-mounted component (SMD). Housing: D2PAK ( TO-263 ). Housing (according to data sheet): TO-253, D2-PAK. Tolerance: 4 %. Operating temperature: 0...+125°C. Reference voltage: 1.25V. Number of terminals: 2. Note: adjustable voltage regulator. Note: input/output differential. Spec info: Internal Short Circuit Current Limiting