| Model | Manufacturers | lot number | encapsulation | illustrate | 
| V5.5MLA020133NR | LITTELFUSE | 11+ | DIP | connector | 
| D2042013 | ITT Cannon | 10+ |  | D2042013 724 | 
| 2-2013289-1 | TYCO/AMP | 10+ |  |  | 
| L9362013TR | ST | 10+11+ | SSOP-36 | Hong Kong spot, imported original | 
| LM20133MH/NOPB | NSC | 10+11+ |  | Hong Kong spot, imported original | 
| LM20134MHE/NOPB |  | 10+11+ |  | Hong Kong spot, imported original | 
| 3-520133-2 | TYCO | 10+ | N/A | Brand new original import, Hong Kong spot | 
| LM20133QMHE | NSC | 10+ | HTSSOP | PowerWise synchronous buck regulator at 3A | 
| LM20133QMH | NSC | 11+ | 16-TSSOP | PowerWise synchronous buck regulator at 3A | 
| LM20133QMHX | NSC | 10+ | TSSOP-16 | PowerWise synchronous buck regulator at 3A | 
| LM20133MHE | NSC | 10+ | TSSOP | PowerWise synchronous buck regulator at 3A | 
| LM20134QMHE | NSC | 11+ | SMD | 4A, semiconductor PowerWise synchronous buck regulator | 
| LM20134MHE | NSC | 10+ | TSSOP | 4A, semiconductor PowerWise synchronous buck regulator | 
| LM20134MH | NSC | 10+ | TSSOP | 4A, semiconductor PowerWise synchronous buck regulator | 
| LM20134MHX | NSC | 11+ | TSSOP-16 | 4A, semiconductor PowerWise synchronous buck regulator | 
| LM20134QMHX | NSC | 10+ | TSSOP | 4A, semiconductor PowerWise synchronous buck regulator | 
| LM20134QMH | NSC | 10+ | TSSOP | PowerWise adjustable frequency synchronous buck regulator at 3A | 
| LM20136MHX | NSC | 10+ | 16-TSSOP | 6A, synchronous input synchronous buck regulator | 
| LM20136QMHX | NSC | 10+ | 16-TSSOP | 6A, synchronous input synchronous buck regulator | 
| LM20136QMHE | NSC | 10+ | TSSOP16 | 6A, synchronous input synchronous buck regulator |