| Компонент | Описание | Производитель | PDF | Buy |
| 231-104-21M15 | Jam Nut Environmental Bulkhead Feed-Thru | Glenair, Inc. |  |  |
| 21M15A | Monolithic Crystal Filters (MCFs) | Vanlong Technology Co., Ltd. | | |
| 21M15A | -20 ~ 70 `C commercial application -40 ~ 85 `C industrial application | QUARTZCOM the communications company | | |
| F21M15A | Monolithic Crystal Filters | ECM Electronics Limited. | | |
| S21M15A | HIGH RELIABILITY FOR LOW COST NARROW BANDWITH | PETERMANN-TECHNIK | | |
| KX21M15A | HIGH RELIABILITY FOR LOW COST NARROW BANDWITH | PETERMANN-TECHNIK | | |
| UM-5-21M15A | CRYSTAL FILTER | Shoulder Electronics Limited. | | |
| F21M15AU | Monolithic Crystal Filters | ECM Electronics Limited. | | |
| 21M15B | -20 ~ 70 `C commercial application -40 ~ 85 `C industrial application | QUARTZCOM the communications company | | |
| F21M15B | Monolithic Crystal Filters | ECM Electronics Limited. | | |
| KX21M15B | HIGH RELIABILITY FOR LOW COST NARROW BANDWITH | PETERMANN-TECHNIK | | |
| F21M15BU | Monolithic Crystal Filters | ECM Electronics Limited. | | |
| F21M15C | Monolithic Crystal Filters | ECM Electronics Limited. | | |
| FT21M15C | MONOLITHIC CRYSTAL FILTER | List of Unclassifed Manufacturers | | |
| F21M15CU | Monolithic Crystal Filters | ECM Electronics Limited. | | |
| 21M15D | Monolithic Crystal Filters (MCFs) | Vanlong Technology Co., Ltd. | | |
| F21M15D | Monolithic Crystal Filters | ECM Electronics Limited. | | |
| FT21M15D | MONOLITHIC CRYSTAL FILTER | List of Unclassifed Manufacturers | | |
| FT21M15D | Monolithic Crystal Filters | ECM Electronics Limited. | | |
| FT21M15D2 | Monolithic Crystal Filters | ECM Electronics Limited. | | |
