


FM9919D
- Manufacturer
- MFR.Part #
- FM9919D
- JLCPCB Part #
- C2931998
- Package
- SOP-8
- Description
- -20℃~+125℃ 2A 40V 5V DCM、QR Flyback Isolation Over Voltage Protection、Under Voltage Protection Secondary-Side Feedback SOP-8 AC-DC Controllers and Regulators ROHS
- EasyEDA Libraries
- Datasheet
- Source
- JLCPCB
- Assembly Type
- SMT Assembly
- PCBA Type
- Economic and Standard
- MSL Level
- MSL 3
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 | Shenzhen Fuman Elec | |
| Package | SOP-8 | |
| Operating Temperature | -20℃~+125℃ | |
| Voltage - Supply | 5V | |
| Output Current | 2A | |
| Feedback System | Secondary-Side Feedback | |
| Working Mode | DCM、QR | |
| Isolation | Isolation | |
| Features | Over Voltage Protection、Under Voltage Protection | |
| Topology | Flyback | |
| Voltage - Breakdown | 40V | |
| Output Voltage | 5V |

* Images are for reference only
FM9919D
Extended- Manufacturer
- MFR.Part #
- FM9919D
- JLCPCB Part #
- C2931998
- Package
- SOP-8
- Description
- -20℃~+125℃ 2A 40V 5V DCM、QR Flyback Isolation Over Voltage Protection、Under Voltage Protection Secondary-Side Feedback SOP-8 AC-DC Controllers and Regulators ROHS
- EasyEDA Libraries
- Datasheet
- Source
- JLCPCB
- Assembly Type
- SMT Assembly
- PCBA Type
- Economic and Standard
- MSL Level
- MSL 3
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
FM9919D
Extended- Manufacturer
- MFR.Part #
- FM9919D
- JLCPCB Part #
- C2931998
- Package
- SOP-8
- Description
- -20℃~+125℃ 2A 40V 5V DCM、QR Flyback Isolation Over Voltage Protection、Under Voltage Protection Secondary-Side Feedback SOP-8 AC-DC Controllers and Regulators ROHS
- EasyEDA Libraries
- Datasheet
- Source
- JLCPCB
- Assembly Type
- SMT Assembly
- PCBA Type
- Economic and Standard
- MSL Level
- MSL 3
Note: The purchased components are stored in your JLCPCB parts library for future PCBA orders only, and cannot be shipped separately.
FM9919D Specifications
FM9919D technical specifications, attributes, and parameters.
| Attributes | Value | |
|---|---|---|
| Category | Power Management (PMIC)/AC-DC Controllers and Regulators | |
| Manufacturer | Shenzhen Fuman Elec | |
| Package | SOP-8 | |
| Operating Temperature | -20℃~+125℃ | |
| Voltage - Supply | 5V | |
| Output Current | 2A | |
| Feedback System | Secondary-Side Feedback | |
| Working Mode | DCM、QR | |
| Isolation | Isolation | |
| Features | Over Voltage Protection、Under Voltage Protection | |
| Topology | Flyback | |
| Voltage - Breakdown | 40V | |
| Output Voltage | 5V |
PCB Assembly Tips
From components to fully assembled PCBs. JLCPCB supports PCB assembly for the FM9919D. 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.

FM9919D Documents
FM9919D datasheets or manufacturer documentation.
Datasheet: FM9919D Datasheet (PDF)
FM9919D Schematic Symbol & PCB Footprint
The FM9919D schematic symbol and PCB footprint are available in the EasyEDA PCB design tool.