Fixed/adjustable: Fixed output voltage. Function: fixed voltage regulator. Output voltage: -9V. Output polarity: negative output voltage. Equivalents: GL7909, KA7909TU, L7909CV, LM7909CT. Output current: 1A. RoHS: yes. Assembly/installation: PCB through-hole mounting. Housing: TO-220. Housing (according to data sheet): TO-220. Tolerance: 5%. Vin input voltage (max): 35V. Number of terminals: 3