| Model | Manufacturers | lot number | encapsulation | illustrate | 
| ADP2138ACBZ-3.3-R7 | ADI | 14+ | WLCSP-6 | Compact, 800 mA, 3 MHz, step-down DC-DC converter | 
| ADP2138ACBZ-3.0-R7 | ADI | 14+ | WLCSP-6 | Compact, 800 mA, 3 MHz, step-down DC-DC converter | 
| ADP2138ACBZ-2.8-R7 | ADI | 14+ | WLCSP-6 | Compact, 800 mA, 3 MHz, step-down DC-DC converter | 
| ADP2138ACBZ-2.5-R7 | ADI | 14+ | WLCSP-6 | Compact, 800 mA, 3 MHz, step-down DC-DC converter | 
| ADP2138ACBZ-1.8-R7 | ADI | 14+ | WLCSP-6 | Compact, 800 mA, 3 MHz, step-down DC-DC converter | 
| ADP2138ACBZ-1.5-R7 | ADI | 14+ | WLCSP-6 | Compact, 800 mA, 3 MHz, step-down DC-DC converter | 
| ADP2138ACBZ-1.2-R7 | ADI | 14+ | WLCSP-6 | Compact, 800 mA, 3 MHz, step-down DC-DC converter | 
| ADP2138ACBZ-1.0-R7 | ADI | 14+ | WLCSP-6 | Compact, 800 mA, 3 MHz, step-down DC-DC converter | 
| ADP2138ACBZ-0.8-R7 | ADI | 14+ | WLCSP-6 | Compact, 800 mA, 3 MHz, step-down DC-DC converter | 
| LPC2138FBD64/01,11/01,55 | NXP | 12+ | QFP | ARM7 series microcontrollers | 
| LPC2138FHN64/01,55 | NXP | 12+ | QFP | ARM7 series microcontrollers | 
| TT2138LS | SANYO | 10+11+ | TO-220F | Hong Kong spot, imported original | 
| 2138-200.1 | ADYA | 10+11+ |  | Hong Kong spot, imported original | 
| ADC12138CIWM/NOPB |  | 10+11+ |  | Hong Kong spot, imported original | 
| ADC12138CIMSA/NOPB |  | 10+11+ |  | Hong Kong spot, imported original | 
| PSB21382HV1.3 | Infineon | 03+ | QFP-64P | New original stock in stock | 
| HWD2138 | HWD | 06+ | SOP8 | Brand new original | 
| PSB21383V1.3 | Infineon | 01+ | QFP-44P | New original stock in stock | 
| HL32138 | Hitachi | N/A | DIP | New inventory | 
| PSB21381 | Infineon | 01+ | QFP-44P | New original stock in stock |