| Компонент | Описание | Производитель | PDF | Buy |
| S421 | Medium/High Capacity Standard Size Toggles | Nihon Kaiheiki Industry Co. Ltd. |  |  |
| IS421 | OPTICALLY COUPLED BILATERAL SWITCH LIGHT ACTIVATED ZERO VOLTAGE CROSSING TRIAC | List of Unclassifed Manufacturers | | |
| TS421 | 360mW MONO AMPLIFIER WITH STANDBY MODE | STMicroelectronics | | |
| LS421 | LOW LEAKAGE LOW DRIFT MONOLITHIC DUAL N-CHANNEL JFET | Linear Integrated Systems | | |
| HS421 | 5 V, +/-50 ppm, CMOS crystal clock oscillator | Nel Frequency Controls,inc | | |
| AMS421 | 0.5V SHUNT REGULATOR | Advanced Monolithic Systems | | |
| AMS421 | 0.5V SHUNT REGULATOR | Advanced Monolithic Systems | | |
| HWS421 | GaAs DC-2.0 GHz SPDT High Power Switch | Hexawave, Inc | | |
| TFS421 | Filter specification | Vectron International, Inc | | |
| TCSS421 | Optoelectronic Interrupter with Schmitt-Trigger Output Logic | List of Unclassifed Manufacturers | | |
| PLCSS421 | Planar Lightwave Circuit Splitters | OPLINK Communications Inc. | | |
| MA4SPS421 | SURMOUNTTM PIN Diodes | M/A-COM Technology Solutions, Inc. | | |
| TDA1519B/N2/S421 | 12 W BTL or 2 x 6 W stereo car radio power amplifier | NXP Semiconductors | | |
| TDA8586Q/N1/S421 | Power amplifier with load detection and auto BTL/SE selection | NXP Semiconductors | | |
| ICS421-05 | DIGITAL VIDEO CAMERA CLOCK | Integrated Circuit Systems | | |
| TS421-2 | 360mW MONO AMPLIFIER WITH STANDBY MODE | STMicroelectronics | | |
| TS421-4 | 360mW MONO AMPLIFIER WITH STANDBY MODE | STMicroelectronics | | |
| LS421-6 | LOW LEAKAGE LOW DRIFT MONOLITHIC DUAL N-CHANNEL JFET | Linear Integrated Systems | | |
| TS421-8 | 360mW MONO AMPLIFIER WITH STANDBY MODE | STMicroelectronics | | |
| NX8567SAS421-BC | EA MODULATOR AND WAVELENGTH MONITOR INTEGRATED InGaAsP MQW DFB LASER DIODE MODULE FOR 2.5 Gb/s ULTRALONG-REACH 240, 360, 600 km DWDM APPLICATIONS | California Eastern Labs | | |
