| 型号 | 厂商 | 描述 |
| 4s1-fsp1-m2re | Carling Technologies | SWITCH SLIDE SPDT 0.4VA SEALED |
| 4s1-fsp1-m6re | Carling Technologies | SWITCH SLIDE SPDT 0.4VA SEALED |
| 4se1 | Honeywell Sensing and Control | SWITCH SINGLE POLE DT 5A 250VAC |
| 4sev100m5x5.5 | Rubycon | CAP ALUM 100UF 4V 20% SMD |
| 4sev220m6.3x5.5 | Rubycon | CAP ALUM 220UF 4V 20% SMD |
| 4sev33m4x5.5 | Rubycon | CAP ALUM 33UF 4V 20% SMD |
| 4sev47m4x5.5 | Rubycon | CAP ALUM 47UF 4V 20% SMD |
| 4sle68m | Rubycon | CAP ALUM 68UF 4V 20% SMD |
| 4sle68m | Rubycon | CAP ALUM 68UF 4V 20% SMD |
| 4sle68m | Rubycon | CAP ALUM 68UF 4V 20% SMD |
| 4spdx | Tripp Lite | POWER STRIP 7.38"15A 4OUT 6'CORD |
| 4sq-5-gm110 | 3M (TC) | GRIP MATERIAL 4" SQ BLK 5/PK |
| 4sq-5-gm400 | 3M (TC) | GRIP MATERIAL 4" SQ BLK 5/PK |
| 4std09pcm99a10x | Conec | CONN DSUB 9POS PLUG SOLDER |
| 4std09scm99a10x | Conec | CONN DSUB 9POS RCPT SOLDER |
| 4sw150m | Rubycon | CAP ALUM 150UF 4V 20% SMD |
| 4sw150m | Rubycon | CAP ALUM 150UF 4V 20% SMD |
| 4sw150m | Rubycon | CAP ALUM 150UF 4V 20% SMD |
| 4sw180m | Rubycon | CAP ALUM 180UF 4V 20% SMD |
| 4sw180m | Rubycon | CAP ALUM 180UF 4V 20% SMD |
| 4sw180m | Rubycon | CAP ALUM 180UF 4V 20% SMD |
| 4sw220m | Rubycon | CAP ALUM 220UF 4V 20% SMD |
| 4sw220m | Rubycon | CAP ALUM 220UF 4V 20% SMD |
| 4sw220m | Rubycon | CAP ALUM 220UF 4V 20% SMD |
| 4sw270m | Rubycon | CAP ALUM 270UF 4V 20% SMD |
| 4sw270m | Rubycon | CAP ALUM 270UF 4V 20% SMD |
| 4sw270m | Rubycon | CAP ALUM 270UF 4V 20% SMD |
| 4swz180mr09 | Rubycon | CAP ALUM 180UF 4V 20% SMD |
| 4swz180mr09 | Rubycon | CAP ALUM 180UF 4V 20% SMD |
| 4swz180mr09 | Rubycon | CAP ALUM 180UF 4V 20% SMD |
| 4swz220mr09 | Rubycon | CAP ALUM 220UF 4V 20% SMD |
| 4swz220mr09 | Rubycon | CAP ALUM 220UF 4V 20% SMD |
| 4swz220mr09 | Rubycon | CAP ALUM 220UF 4V 20% SMD |
| 4sx17-t | Honeywell Sensing and Control | SWITCH PLUNGER SPDT 3A SOLDER |
| 4sx19-t | Honeywell Sensing and Control | SWITCH PLUNGER SPDT 7A SOLDER |
| 4sx1-h58 | Honeywell Sensing and Control | SWITCH PLUNGER SPDT 7A QC |
| 4sx1-t | Honeywell Sensing and Control | SWITCH LIMIT SPDT 7A PIN PLUNGER |
| 4sx1-t2 | Honeywell Sensing and Control | SWITCH PLUNGER SPDT 7A SOLDER |
| 4sx36-t | Honeywell Sensing and Control | SWITCH LIMIT PIN PLUNGER SPDT 7A |
| 4sx37-h58 | Honeywell Sensing and Control | SWITCH PLUNGER SPDT 7A QC |
| 4sx3-t | Honeywell Sensing and Control | SWITCH PLUNGER SPDT 7A SOLDER |
| 4sx87-t | Honeywell Sensing and Control | SWITCH PLUNGER SPDT 7A SOLDER |
| 4sxb100m | Rubycon | CAP ALUM 100UF 4V 20% SMD |
| 4sxb100m | Rubycon | CAP ALUM 100UF 4V 20% SMD |
| 4sxb100m | Rubycon | CAP ALUM 100UF 4V 20% SMD |
| 4sxb150m | Rubycon | CAP ALUM 150UF 4V 20% SMD |
| 4sxb150m | Rubycon | CAP ALUM 150UF 4V 20% SMD |
| 4sxb150m | Rubycon | CAP ALUM 150UF 4V 20% SMD |
| 4sxb68m | Rubycon | CAP ALUM 68UF 4V 20% SMD |
| 4sxb68m | Rubycon | CAP ALUM 68UF 4V 20% SMD |