| 型号 | 厂商 | 描述 |
| 4hs4-118 | Honeywell Sensing and Control | HS HERMETICALLY SEALED BASIC SW |
| 4hs4-318 | Honeywell Sensing and Control | HS HERMETICALLY SEALED BASIC SW |
| 4hs46 | Honeywell Sensing and Control | HS HERMETICALLY SEALED BASIC SW |
| 4hs4-918 | Honeywell Sensing and Control | HS HERMETICALLY SEALED BASIC SW |
| 4hs79 | Honeywell Sensing and Control | HS HERMETICALLY SEALED BASIC SW |
| 4hs91-116 | Honeywell Sensing and Control | HS HERMETICALLY SEALED BASIC SW |
| 4jblk | E-Switch | SWITCH CAP BLK SQ 12MM EX ACT |
| 4jblu | E-Switch | SWITCH CAP BLUE SQ 12MM EX ACT |
| 4jgry | E-Switch | SWITCH CAP GREY SQ 12MM EX ACT |
| 4jred | E-Switch | SWITCH CAP RED SQ 12MM EX ACT |
| 4jwht | E-Switch | SWITCH CAP WHT SQ 12MM EX ACT |
| 4k041103 | Storm Interface | KEYPAD LIGHT DUTY 4 KEY ARROWS |
| 4k042103 | Storm Interface | KEYPAD LIGHT DUTY 4 KEY F KEYS |
| 4k120103 | Storm Interface | KEYPAD LIGHT DUTY 12 KEY CALC |
| 4k12t103 | Storm Interface | KEYPAD LIGHT DUTY 12 KEY TELE |
| 4k160103 | Storm Interface | KEYPAD LIGHT DUTY 16 KEY CALC |
| 4k16t103 | Storm Interface | KEYPAD LIGHT DUTY 16 KEY TELE |
| 4la | C-Max | ANTENNA 4LOOP TIME SIG GENERATOR |
| 4ls1 | Honeywell Sensing and Control | SWITCH 1NC 1NO DPDT SNAP ACTION |
| 4ls1-4pg | Honeywell Sensing and Control | ENCLOSED SWES LSSIDE PLUNGER |
| 4m1-sdp1-s1/2-m1qe | Carling Technologies | SWITCH SLIDE DPDT 5A SLDR LUG |
| 4m1-sdp1-s1/2-m2qe | Carling Technologies | SWITCH SLIDE DPDT 5A PCB |
| 4m1-sdp1-s1/2-m2re | Carling Technologies | SWITCH SLIDE DPDT 0.4VA PCB |
| 4m1-ssp1-s1/2-m1qe | Carling Technologies | SWITCH SLIDE SPDT 5A SLDR LUG |
| 4m1-ssp1-s1/2-m2qe | Carling Technologies | SWITCH SLIDE SPDT 5A PCB |
| 4m1-ssp1-s1/2-m2re | Carling Technologies | SWITCH SLIDE SPDT 0.4VA PCB |
| 4m1-ssp1-s1/2-m6re | Carling Technologies | SWITCH SLIDE SPDT 0.4VA R/A PCB |
| 4m1-ssp3-s1/2-m6qe | Carling Technologies | SWITCH SLIDE ON OFF ON 5A 125VAC |
| 4mn10ch-tl-e | SANYO Semiconductor (U.S.A) Corporation | TRANS NPN 200V 100MA CPH3 |
| 4mn10ch-tl-e | SANYO Semiconductor (U.S.A) Corporation | TRANS NPN 200V 100MA CPH3 |
| 4mn10ch-tl-e | SANYO Semiconductor (U.S.A) Corporation | TRANS NPN 200V 100MA CPH3 |
| 4mp10ch-tl-e | SANYO Semiconductor (U.S.A) Corporation | TRANS PNP 200V 100MA CPH3 |
| 4mp10ch-tl-e | SANYO Semiconductor (U.S.A) Corporation | TRANS PNP 200V 100MA CPH3 |
| 4mp10ch-tl-e | SANYO Semiconductor (U.S.A) Corporation | TRANS PNP 200V 100MA CPH3 |
| 4ms5100mefc5x5 | Rubycon | CAP ALUM 100UF 4V 20% RADIAL |
| 4ms5100mefct55x5 | Rubycon | CAP ALUM 100UF 4V 20% RADIAL |
| 4ms5100mefctz5x5 | Rubycon | CAP ALUM 100UF 4V 20% RADIAL |
| 4ms5220mefc6.3x5 | Rubycon | CAP ALUM 220UF 4V 20% RADIAL |
| 4ms5220mefct56.3x5 | Rubycon | CAP ALUM 220UF 4V 20% RADIAL |
| 4ms5220mefctz6.3x5 | Rubycon | CAP ALUM 220UF 4V 20% RADIAL |
| 4ms533mefc4x5 | Rubycon | CAP ALUM 33UF 4V 20% RADIAL |
| 4ms533mefct54x5 | Rubycon | CAP ALUM 33UF 4V 20% RADIAL |
| 4ms533mefctz4x5 | Rubycon | CAP ALUM 33UF 4V 20% RADIAL |
| 4ms547mefc4x5 | Rubycon | CAP ALUM 47UF 4V 20% RADIAL |
| 4ms547mefct54x5 | Rubycon | CAP ALUM 47UF 4V 20% RADIAL |
| 4ms547mefctz4x5 | Rubycon | CAP ALUM 47UF 4V 20% RADIAL |
| 4ms7470mefc8x7 | Rubycon | CAP ALUM 470UF 4V 20% RADIAL |
| 4ms7470mefct78x7 | Rubycon | CAP ALUM 470UF 4V 20% RADIAL |
| 4ms7470mefcta8x7 | Rubycon | CAP ALUM 470UF 4V 20% RADIAL |
| 4n22a | TT Electronics/Optek Technology | OPTOISOLATOR HERMETIC SEAL TO-78 |