| 型号 | 厂商 | 描述 |
| 4ehz1 | TE Connectivity | FILTER POWER LINE MED .250 4A |
| 4en1-6 | Honeywell Sensing and Control | ENVIRONMENTALLY SEALED LIMIT SW |
| 4en88-6 | Honeywell Sensing and Control | SEALED AERO SWITCH |
| 4ex1-3 | Honeywell Sensing and Control | EXPLOSION-PROOF LIMIT SWES |
| 4exp | TE Connectivity | FILTER POWER LINE RFI PCB MT 4A |
| 4eyp | TE Connectivity | FILTER POWER LINE RFI PCB MT 4A |
| 4fa11145_oss-o-90 | Ledil | LENS FOR OSRAM DRAGON |
| 4fa11147_crs-o-90 | Ledil | LENS FOR CREE XR-E |
| 4fa11153_cxp-o-90 | Ledil | LENS FOR CREE XP-E |
| 4fa11155_cmc-o-90 | Ledil | LENS FOR CREE MC-E |
| 4fca11271_lr1-m-tape | Ledil | LENS FOR LUXEON REBEL |
| 4fca11272_lr1-rs-tape | Ledil | LENS FOR LUXEON REBEL |
| 4fca11273_lr1-rec-tape | Ledil | LENS FOR LUXEON REBEL |
| 4fca11274_lr1-d-tape | Ledil | LENS FOR LUXEON REBEL |
| 4fca11275_lr1-w-tape | Ledil | LENS FOR LUXEON REBEL |
| 4fca11344_lr1-o-90-tape | Ledil | LENS FOR LUXEON REBEL |
| 4fca11467_lr1-m-tape2 | Ledil | LENS FOR LUXEON REBEL |
| 4fsh901 | MEC Switches | SWITCH TACTILE SPST-NO 0.05A 24V |
| 4fsh922 | MEC Switches | SWITCH TACTILE SPST-NO 0.05A 24V |
| 4fsh942 | MEC Switches | SWITCH TACTILE SPST-NO 0.05A 24V |
| 4fsh961 | MEC Switches | SWITCH TACTILE SPST-NO 0.05A 24V |
| 4fsh982 | MEC Switches | SWITCH TACTILE SPST-NO 0.05A 24V |
| 4fsh98222 | MEC Switches | SWITCH TACTILE SPST-NO 0.05A 24V |
| 4fth901 | MEC Switches | SWITCH TACTILE SPST-NO 0.05A 24V |
| 4fth922 | MEC Switches | SWITCH TACTILE SPST-NO 0.05A 24V |
| 4fth942 | MEC Switches | SWITCH TACTILE SPST-NO 0.05A 24V |
| 4fth961 | MEC Switches | SWITCH TACTILE SPST-NO 0.05A 24V |
| 4fth982 | MEC Switches | SWITCH TACTILE SPST-NO 0.05A 24V |
| 4fth98222 | MEC Switches | SWITCH TACTILE SPST-NO 0.05A 24V |
| 4gbl01 | Vishay Semiconductors | BRIDGE SGL PHASE 100V 4A 4-GBL |
| 4h07c | Cooper Bussmann | FUSE 4A 600V CERAM BODY CSA |
| 4h2094 | Eastman Kodak Company | SENSOR IMAGE WVGA MONO 48-PQFP |
| 4h2099 | Eastman Kodak Company | SENSOR IMAGE WVGA COLOR 48-PQFP |
| 4h2104 | Eastman Kodak Company | KIT EVAL FOR KAC-00401 |
| 4h2105 | Eastman Kodak Company | HEADBOARD FOR KAC-00401 |
| 4hic100 | 3M | HUMIDITY INDICATOR CARDS 10-40% |
| 4hs109 | Honeywell Sensing and Control | HS HERMETICALLY SEALED BASIC SW |
| 4hs109-318n | Honeywell Sensing and Control | HS HERMETICALLY SEALED BASIC SW |
| 4hs12 | Honeywell Sensing and Control | HS HERMETICALLY SEALED BASIC SW |
| 4hs143-120 | Honeywell Sensing and Control | HS HERMETICALLY SEALED BASIC SW |
| 4hs146-220 | Honeywell Sensing and Control | HS HERMETICALLY SEALED BASIC SW |
| 4hs148-118 | Honeywell Sensing and Control | HS HERMETICALLY SEALED BASIC SW |
| 4hs149-320 | Honeywell Sensing and Control | HS HERMETICALLY SEALED BASIC SW |
| 4hs15 | Honeywell Sensing and Control | HS HERMETICALLY SEALED BASIC SW |
| 4hs154 | Honeywell Sensing and Control | HS HERMETICALLY SEALED BASIC SW |
| 4hs155-320 | Honeywell Sensing and Control | HS HERMETICALLY SEALED BASIC SW |
| 4hs19 | Honeywell Sensing and Control | HS HERMETICALLY SEALED BASIC SW |
| 4hs201-118 | Honeywell Sensing and Control | HS HERMETICALLY SEALED BASIC SW |
| 4hs203 | Honeywell Sensing and Control | HS HERMETICALLY SEALED BASIC SW |
| 4hs26 | Honeywell Sensing and Control | HS HERMETICALLY SEALED BASIC SW |