| Компонент | Описание | Производитель | PDF | Buy |
| B4021 | BROADBAND ACCESS: xDSL, HPN, CMCs | Pulse A Technitrol Company |  |  |
| DM4021 | 40 characters x 2 line Liquid Crystal Dot Matrix Display Module | Sanyo Semicon Device | | |
| 2N4021 | SILICON DUAL DIFFERNTIAL AMPLIFIER TRANSISTORS | List of Unclassifed Manufacturers | | |
| CD4021 | CMOS 8-Stage Static Shift Registers | Intersil Corporation | | |
| CD4021 | 8-Stage Static Shift Register | Fairchild Semiconductor | | |
| LC4021 | 40 characters x 2 lines | List of Unclassifed Manufacturers | | |
| MP4021 | Hammer Drive, Pulse Motor Drive and Inductive Load Switching | Toshiba Semiconductor | | |
| MP4021 | High Power Switching Applications Hammer Drive, Pulse Motor Drive and Inductive Load Switching | Toshiba Semiconductor | | |
| TC4021 | 8-STAGE STATIC SHIFT REGISTER (ASYNCHRONOUS PARALLEL INPUT OF SYNCHRONOUS SERIAL INPUT SERAL INPUT/SERIAL OUTPUT) | Toshiba Semiconductor | | |
| 1114021 | tyco electronics contents | Tyco Electronics | | |
| 2SK4021 | Switching Regulators and DC-DC Converter Applications | Toshiba Semiconductor | | |
| EPJ4021 | Dual USB / Gigabit Filter Port Jacks | PCA ELECTRONICS INC. | | |
| KTC4021 | EPITAXIAL PLANAR NPN TRANSISTOR (TV TUNER, UHF OSCILLATOR, TVTUNER UHF CONVERTER) | KEC(Korea Electronics) | | |
| KTC4021 | USM PACKAGE | KEC(Korea Electronics) | | |
| MIW4021 | 5-6 Watts 4 : 1 Wide Input Range DC/DC Converters Single and Dual Outputs | Total Power International | | |
| MIW4021 | 5-6W, Ultra-Wide Input Range DIP, Single & Dual Output DC/DC Converters | Minmax Technology Co., Ltd. | | |
| HD14021 | 8-bit Static Shift Register | Hitachi Semiconductor | | |
| MCP4021 | Low-Cost NV Digital POT with WiperLock Technology | Microchip Technology | | |
| MMC4021 | S-STAGE STATIC SHIFT REGISTERS | Micro Electronics | | |
| THS4021 | 350-MHz LOW-NOISE HIGH-SPEED AMPLIFIERS | Texas Instruments | | |
