| SMD Code | Package | Device Name | Manufacturer | Data | Datasheet |
|---|---|---|---|---|---|
| U4 | SOD-323F | BZX84J-C2V7 | NXP | Zener diode |  |
| U4 | SOD-323F | CZRF3V0B-HF | Comchip | Zener diode | |
| U4* | SOT-343R
|
XC6215B352NR | Torex | LDO regulator | |
| U4** | SOT-25
|
TC74A4-5.0VCT | Microchip | Temperature sensor | |
| U41 | WEMT6 | ES6U41 | ROHM | N-Channel MOSFET + Schottky barrier diode | |
| U42 | WEMT6 | ES6U42 | ROHM | P-Channel MOSFET + Schottky barrier diode | |