| Компонент | Описание | Производитель | PDF | Buy |
| L4990 | PRIMARY CONTROLLER | STMicroelectronics |  |  |
| 1N4990 | 5 WATT GLASS ZENER DIODES | Microsemi Corporation | | |
| 1N4990 | 5 WATT GLASS ZENER DIODES | Microsemi Corporation | | |
| 1N4990 | 5 WATT GLASS ZENER DIODES | Microsemi Corporation | | |
| 1N4990 | ELECTRICAL CHARACTERISTICS | New Jersey Semi-Conductor Products, Inc. | | |
| 1N4990 | Axial Leaded, Hermetically Sealed, 5 WATT Voltage Regulators | Semtech Corporation | | |
| 1N4990 | Zener 5W Voltage Regulator | Sensitron | | |
| 1N4990 | Zener 5W Voltage Regulator | Sensitron | | |
| 2N4990 | Silicon unilateral switch (SUS) in package TO-92 | List of Unclassifed Manufacturers | | |
| 2N4990 | SILICON UNILATERAL SWITCH | General Semiconductor | | |
| 2N4990 | SUS | New Jersey Semi-Conductor Products, Inc. | | |
| 2N4990 | SILICON UNIDIRECTIONAL SWITCH | New Jersey Semi-Conductor Products, Inc. | | |
| PA4990 | 1.2W AUDIO POWER AMPLIFIER WITH ACTIVE-LOW SHUTDOWN MODE | Unisonic Technologies | | |
| LM4990 | 2 Watt Audio Power Amplifier with Selectable Shutdown Logic Level | National Semiconductor | | |
| PE4990 | 2.92mm Female Bulkhead Connector Clamp/Solder Attachment For PE-SR402AL, PE-SR402FL, RG402, .235 inch D Hole | Pasternack Enterprises, Inc. | | |
| TC4990 | Axial Leaded Aluminum Electrolytic Capacitors | Cornell Dubilier Electronics | | |
| TS4990 | 1.2 W audio power amplifier with active low standby mode | STMicroelectronics | | |
| RN4990 | Silicon NPN Epitaxial Type (PCT Process) | Toshiba Semiconductor | | |
| EUA4990 | 1.36 Watt Audio Power Amplifier | Eutech Microelectronics Inc | | |
| SAA4990 | Progressive scan-Zoom and Noise reduction IC PROZONIC | NXP Semiconductors | | |
