
Note: The purchased components are stored in your JLCPCB parts library for future PCBA orders only, and cannot be shipped separately.
| Attributes | Value | |
|---|---|---|
| Category | Power Management (PMIC)/AC-DC Controllers and Regulators | |
| Manufacturer | onsemi | |
| Package | SOIC-20-150mil | |
| Operating Temperature | -40℃~+125℃ | |
| Voltage - Supply | 9V~30V | |
| Feedback System | Secondary-Side Feedback | |
| Working Mode | QR、CRM | |
| Isolation | Isolation | |
| Features | High voltage direct start、Brown-in/Brown-out detection、Light load efficient mode、X-capacitor discharge、Quasi-resonant/valley switching、Leading edge blanking、Audio noise elimination | |
| Topology | Boost、Flyback | |
| Pd - Power Dissipation | 0.62W |

* Images are for reference only
NCP1937A3DR2G
Extended- Manufacturer
- MFR.Part #
- NCP1937A3DR2G
- JLCPCB Part #
- C904478
- Package
- SOIC-20-150mil
- Description
- SOIC-20-150mil AC-DC Controllers and Regulators ROHS
- EasyEDA Libraries
- ECCN
- EAR99
- Datasheet
- Source
- JLCPCB
- Assembly Type
- SMT Assembly
- PCBA Type
- Economic and Standard
- MSL Level
- MSL 1
Note: The purchased components are stored in your JLCPCB parts library for future PCBA orders only, and cannot be shipped separately.

* Images are for reference only
- Manufacturer
- MFR.Part #
- NCP1937A3DR2G
- JLCPCB Part #
- C904478
- Package
- SOIC-20-150mil
- Description
- SOIC-20-150mil AC-DC Controllers and Regulators ROHS
- EasyEDA Libraries
- ECCN
- EAR99
- Datasheet
- Source
- JLCPCB
- Assembly Type
- SMT Assembly
- PCBA Type
- Economic and Standard
- MSL Level
- MSL 1
Note: The purchased components are stored in your JLCPCB parts library for future PCBA orders only, and cannot be shipped separately.
NCP1937A3DR2G Specifications
NCP1937A3DR2G technical specifications, attributes, and parameters.
| Attributes | Value | |
|---|---|---|
| Category | Power Management (PMIC)/AC-DC Controllers and Regulators | |
| Manufacturer | onsemi | |
| Package | SOIC-20-150mil | |
| Operating Temperature | -40℃~+125℃ | |
| Voltage - Supply | 9V~30V | |
| Feedback System | Secondary-Side Feedback | |
| Working Mode | QR、CRM | |
| Isolation | Isolation | |
| Features | High voltage direct start、Brown-in/Brown-out detection、Light load efficient mode、X-capacitor discharge、Quasi-resonant/valley switching、Leading edge blanking、Audio noise elimination | |
| Topology | Boost、Flyback | |
| Pd - Power Dissipation | 0.62W |
PCB Assembly Tips
From components to fully assembled PCBs. JLCPCB supports PCB assembly for the NCP1937A3DR2G. Sign up to receive and start your assembly today →
- 1
Step 1 - Pre-order the parts you need from JLCPCB.
- 2
Step 2 - Place a PCBA order to have those parts assembled onto your boards.
- 3
Step 3 - JLCPCB manufactures and assembles your boards in as fast as 3 days.

NCP1937A3DR2G Documents
NCP1937A3DR2G datasheets or manufacturer documentation.
Datasheet: NCP1937A3DR2G Datasheet (PDF)
NCP1937A3DR2G Schematic Symbol & PCB Footprint
The NCP1937A3DR2G schematic symbol and PCB footprint are available in the EasyEDA PCB design tool.