| Model | Manufacturers | lot number | encapsulation | illustrate | 
| SPX116N-3.3 | SIPEX | 15+ | TO-92A | Sibos voltage regulator is imported from original | 
| SPX1117-3.3 | SIPEX | 11+ | SOT-223 | Brand new original | 
| SPX1117M3-1.8 | SIPEX | 12+ | SOT-223 | Low dropout regulator | 
| XRP6658ISTR-F | SIPEX | 12+ | SOT23-5 | Switching voltage regulator | 
| SP6203EM5-2-8/TR | SIPEX | 1011+ | SOT23-5 | Hong Kong spot, imported original | 
| SP3232EEN | SIPEX | 16+ | DIP | INTERFACE TRANSCEIVERS | 
| SP3083EEN-L/TR | SIPEX | 10+ | SOP-14 | Advanced-Failsafe RS-485/RS-422 Transceivers 1/8th Unit Load, Slew-Rate Limited, 【15kV ESD-Protected | 
| SP3220ECA-L/TR | SIPEX | 10+ | TSSOP | +3.0V to +5.5V RS-232 Driver/Receiver Pair | 
| SPX-5205 | SIPEX | 2010+ | SOT23-5 | LDO voltage regulator chip | 
| SP3243EEY-L | SIPEX | 10+11+ | TSSOP28 | Hong Kong spot, imported original | 
| SP3223EEY-L/TR | SIPEX | 10+11+ | TSSOP20 | Hong Kong spot, imported original | 
| SP3222EUCY | SIPEX | 10+11+ | TSSOP20 | Hong Kong spot, imported original | 
| SP3220ECY/TR | SIPEX | 10+11+ | TSSOP16 | Hong Kong spot, imported original | 
| SP3203ECY/TR | SIPEX | 10+11+ | TSSOP16 | Hong Kong spot, imported original | 
| SP3249ECA | SIPEX | 10+11+ | SSOP28 | Hong Kong spot, imported original | 
| SP3245EEA-L | SIPEX | 10+11+ | SSOP28 | Hong Kong spot, imported original | 
| SP3245ECA-L | SIPEX | 10+11+ | SSOP28 | Hong Kong spot, imported original | 
| SP3244EEA-L | SIPEX | 10+11+ | SSOP28 | Hong Kong spot, imported original | 
| SP3244ECA-L | SIPEX | 10+11+ | SSOP28 | Hong Kong spot, imported original | 
| SP3243EUCA | SIPEX | 10+11+ | SSOP28 | Hong Kong spot, imported original |