The CR21-7501D-D is a surface mount chip resistor with a 7.5K ohm resistance value and 0.5% tolerance. It has a maximum operating temperature of 125 degrees Celsius and a maximum voltage rating of 100 volts. The resistor is available in a 0805 package size
The 015AZ12-Z(TPH3,F) is a single zener diode from Toshiba with a nominal zener voltage of 12.33V and a maximum zener impedance of 15 ohms. It has a maximum power dissipation of 150mW and a maximum reverse leakage current of 0.5mA. The diode is packaged in