Texas Instruments Lm2937Et-12/nopb .
LDO VOLTAGE REGULATOR, 12V, 0.5A, TO-220; LDO VOLTAGE REGULATOR, 12V, 0.5A, TO-220; Output Type:Fixed; Input Voltage Min:0V; Input Voltage Max:26V; Fixed Output Voltage Nom.:12V; Adjustable Output Voltage Min:-; Adjustable Output Voltage Max:-; Output Current:500mA; MSL:-