| Компонент | Описание | Производитель | PDF | Buy |
| C3990 | 5x7mm SMD HCMOS Clock Oscillator 5.0 Volts | Crystek Corporation |  |  |
| 33990 | Enhanced Class B Serial Transceiver | Freescale Semiconductor, Inc | | |
| S3990 | Clock Oscillator 8 Pin Dip, 5V, HCMOS/TTL | Crystek Corporation | | |
| AS3990 | UHF RFID single chip reader EPC Class1 Gen2 compatible | austriamicrosystems AG | | |
| LP3990 | 150mA Linear Voltage Regulator for Digital Applications | National Semiconductor | | |
| LT3990 | High Efficiency, 65V 500mA Synchronous | Linear Technology | | |
| LT3990 | 36V 500mA Step-Down Regulator and 200mA LDO | Linear Technology | | |
| LT3990 | 42V, 750mA Step-Down Regulator with 2.5lA | Linear Technology | | |
| LT3990 | 42V, 2.5A Synchronous Step-Down Regulator | Linear Technology | | |
| LT3990 | 42V, 2.5A, 2MHz Step-Down Switching Regulator with 2.7lA Quiescent Current | Linear Technology | | |
| 2SC3990 | Switching Regulator Applications | Sanyo Semicon Device | | |
| MC33990 | Enhanced Class B Serial Transceiver | Freescale Semiconductor, Inc | | |
| MC33990 | Enhanced Class B Serial Transceiver | Freescale Semiconductor, Inc | | |
| 0034.3990 | Non resettable fuses | Schurter Inc. | | |
| 3P0213990 | Miniature Pushwheel Switches | List of Unclassifed Manufacturers | | |
| 3P0233990 | Miniature Pushwheel Switches | List of Unclassifed Manufacturers | | |
| 3P1213990 | Miniature Pushwheel Switches | List of Unclassifed Manufacturers | | |
| 3P1233990 | Miniature Pushwheel Switches | List of Unclassifed Manufacturers | | |
| 3P2213990 | Miniature Pushwheel Switches | List of Unclassifed Manufacturers | | |
| 3P2233990 | Miniature Pushwheel Switches | List of Unclassifed Manufacturers | | |
