| Компонент | Описание | Производитель | PDF | Buy |
| 4540 | HIGH VOLTAGE CAPACITORS MONOLITHIC CERAMIC TYPE | Semtech Corporation |  |  |
| 4540 | Aluminum Electrolytic Capacitors | Kemet Corporation | | |
| B4540 | SAW Components Bandpass Filter for Mobile Communication 112,32 MHz | EPCOS | | |
| 34540 | LM259X Inductor 68 lHy .70 ADC | SCHOTT CORPORATION | | |
| BU4540 | Silicon Diffused Power Transistor | NXP Semiconductors | | |
| KB4540 | Li-Ion Battery Charger | Kingbor Technology Co | | |
| OX4540 | OCXO | Raltron Electronics Corporation | | |
| PE4540 | SMA Female Hermetically Sealed Connector Solder Attachment 4 Hole Flange Pin Terminal, .340 inch Hole Spacing | Pasternack Enterprises, Inc. | | |
| SC4540 | High Effi ciency Boost Converter for up to 10 LEDs | Semtech Corporation | | |
| AHA4540 | TPC EVALUATION BOARD | List of Unclassifed Manufacturers | | |
| 1114540 | tyco electronics contents | Tyco Electronics | | |
| 2SC4540 | NPN EPITAXIAL TYPE (POWER AMPLIFIER, SWITCHING APPLICATIONS) | Toshiba Semiconductor | | |
| 2SC4540 | Power Switching Applications | Guangdong Kexin Industrial Co.,Ltd | | |
| 2SC4540 | Power Amplifier Applications Power Switching Applications | Toshiba Semiconductor | | |
| MAX4540 | Low-Voltage, Single 8-to-1 and Dual 4-to-1 Cal-Multiplexers | Maxim Integrated Products | | |
| PE44540 | 7/16 DIN Male Right Angle Connector Crimp/ Solder Attachment For PE-C195, 0.195 inch | Pasternack Enterprises, Inc. | | |
| SCG4540 | Synchronous Clock Generators | List of Unclassifed Manufacturers | | |
| ADR4540 | Ultralow Noise, High Accuracy | Analog Devices | | |
| CXP84540 | CMOS 8-bit Single Chip Microcomputer | Sony Corporation | | |
| KS624540 | High-Beta Single Darlington Transistor Module (400 Amperes/600 Volts) | Powerex Power Semiconductors | | |
