| Компонент | Описание | Производитель | PDF | Buy |
| D121 | Single & Dual Output Miniature, 1W SIP DC/DC Converters | MicroPower Direct, LLC |  |  |
| BD121 | Bipolar NPN Device in a Hermetically sealed TO3 Metal Package. | Seme LAB | | |
| QED121 | PLASTIC INFRARED LIGHT EMITTING DIODE | QT Optoelectronics | | |
| QED121 | PLASTIC INFRARED LIGHT EMITTING DIODE | Fairchild Semiconductor | | |
| Z7D121 | Metal oxide varistor, 120V | List of Unclassifed Manufacturers | | |
| Z5D121 | Metal oxide varistor, 120V | List of Unclassifed Manufacturers | | |
| 202D121 | BOOT, STRAIGHT, WITH LIPS | Tyco Electronics | | |
| CSND121 | Solid State Sensors Closed Loop Current Sensors | Honeywell Solid State Electronics Center | | |
| IRFD121 | 1.3A and 1.1A, 80V and 100V, 0.30 and 0.40 Ohm, N-Channel Power MOSFETs | Harris Corporation | | |
| Z21D121 | Metal oxide varistor, 120V | List of Unclassifed Manufacturers | | |
| Z15D121 | Metal oxide varistor, 120V | List of Unclassifed Manufacturers | | |
| Z10D121 | Metal oxide varistor, 120V | List of Unclassifed Manufacturers | | |
| 60816D121 | Insulation Punch | Molex Electronics Ltd. | | |
| ERZV05D121 | ZNR Transient/Surge Absorbers | Panasonic Semiconductor | | |
| ERZV07D121 | ZNR Transient/Surge Absorbers | Panasonic Semiconductor | | |
| ERZV09D121 | ZNR Transient/Surge Absorbers | Panasonic Semiconductor | | |
| ERZV10D121 | ZNR Transient/Surge Absorbers | Panasonic Semiconductor | | |
| ERZV14D121 | ZNR Transient/Surge Absorbers | Panasonic Semiconductor | | |
| ERZV20D121 | ZNR Transient/Surge Absorbers | Panasonic Semiconductor | | |
| Q60103-D121 | pnp germanium transistors | Siemens Semiconductor Group | | |
