| Компонент | Описание | Производитель | PDF | Buy |
| F503 | Totalizers electromechanic | Baumer IVO GmbH & Co. KG |  |  |
| F503 | U.L. Approved Dual Function Fuse Resistors | IRC - a TT electronics Company. | | |
| KF503 | R.F. AND SWITCHING TRANSISTORS N-P-N, HF. UND SCHALTTRANSISTOREN N-P-N | List of Unclassifed Manufacturers | | |
| PF503 | 50Amp Standard Recovery Rectifier 50 to 1000 Volts | Micro Commercial Components | | |
| PF503 | 50Amp standard recovery rectifier 50to1000 volts | Shanghai Lunsure Electronic Tech | | |
| PF503 | 50Amp Standard Recovery Rectifier 50 to 600 Volts | Micro Commercial Components | | |
| SF503 | SUPER FAST RECOVERY RECTIFIER | GOOD-ARK Electronics | | |
| SF503 | SUPER FAST RECTIFIER | Jinan Jingheng (Group) Co.,Ltd | | |
| TUF503 | 5.0A Ultra Fast Recovery Rectifier | TAITRON Components Incorporated | | |
| 3386F503 | 9.6‡9.6 Square/ Single Turn /Trimming Potentiometer | DB Lectro Inc | | |
| S2APF503 | .050 [1.27] SCSI II/III IDC FLAT CABLE TERMINATION | Adam Technologies, Inc. | | |
| S2ASF503 | .050 [1.27] SCSI II/III IDC FLAT CABLE TERMINATION | Adam Technologies, Inc. | | |
| Q62702-F503 | PNP SILICON PLANAR TRANSISTOR | Siemens Semiconductor Group | | |
| 5082-F503-00000 | 10 mm (0.40 inch) Seven Segment Displays | Agilent(Hewlett-Packard) | | |
| HDSP-F503-00000 | 10 mm (0.40 inch) Seven Segment Displays | Agilent(Hewlett-Packard) | | |
| 5082-F503-00016 | 10 mm (0.40 inch) Seven Segment Displays | Agilent(Hewlett-Packard) | | |
| HDSP-F503-00016 | 10 mm (0.40 inch) Seven Segment Displays | Agilent(Hewlett-Packard) | | |
| BF5030 | Silicon N-Channel MOSFET Tetrode | Infineon Technologies AG | | |
| REF5030 | Low-Noise, Very Low Drift, Precision VOLTAGE REFERENCE | Burr-Brown Corporation | | |
| REF5030 | Low-Noise, Very Low Drift, Precision VOLTAGE REFERENCE | Burr-Brown Corporation | | |
