FR207 diode has a cathode (-) and anode (+). In the schematic symbol, the tip of the triangle with the line on top of it is the cathode. The cathode is marked on the body of a diode by a band as shown below.

Diode polarity Current can flow from the anode to the cathode only and never from the cathode to the anode - FR207 diode is like a one way valve.

Dimensions FR207 diode

Features:

• Maximum Recurrent Peak Reverse Voltage - 1000 V
• Typical Junction Capacitance 40 pF
• Operating and Storage Temperature Range -65...+150 °C

Specifications:

• Wattage: 1W
• Diode/rectifier type: DO-41
• RoHS: Yes
• Standard Recovery Power Rectifier
• Repetitive Reverse Voltage Max, Vrrm: 50V
• Forward Current Avg Rectified, IF(AV): 1A
• Forward Surge Current Max, Ifsm: 30A
• Forward Voltage Max, VF: 1.1V
• Current Rating: 1A

Data Sheet:

https://img.filipeflop.com/files/download/Datasheet_Diodo_FR201-FR207.pdf 

Package Includes:

10 x FR207 diode