
R1242S001B-E2-FE
- Manufacturer
- MFR.Part #
- R1242S001B-E2-FE
- JLCPCB Part #
- C2477452
- Package
- HSOP-8E-EP-4.4mm
- Description
- -40℃~+85℃@(TA) 1 1MHz 3A 5V~30V 800mV~15V Adjustable Buck Buck Built-in Yes HSOP-8E-EP-4.4mm DC-DC Converters ROHS
- EasyEDA Libraries
- ECCN
- EAR99
- 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)/DC-DC Converters | |
| Manufacturer | Nisshinbo Micro Devices Inc. | |
| Package | HSOP-8E-EP-4.4mm | |
| Operating Temperature | -40℃~+85℃@(TA) | |
| Function | Step-down type | |
| Synchronous Rectifier | Yes | |
| Frequency - Switching | 1MHz | |
| Voltage - Supply | 5V~30V | |
| Output Type | Adjustable | |
| Output Current | 3A | |
| Quiescent Current | 800uA | |
| Features | Overcurrent Protection、Protection latch、Hiccup current limiting、Built-in current sense resistor | |
| Switch tube (built-in/external) | Built-in | |
| Topology | Buck | |
| Output Voltage | 800mV~15V | |
| Number of Outputs | 1 |

* Images are for reference only
R1242S001B-E2-FE
Extended- Manufacturer
- MFR.Part #
- R1242S001B-E2-FE
- JLCPCB Part #
- C2477452
- Package
- HSOP-8E-EP-4.4mm
- Description
- -40℃~+85℃@(TA) 1 1MHz 3A 5V~30V 800mV~15V Adjustable Buck Buck Built-in Yes HSOP-8E-EP-4.4mm DC-DC Converters ROHS
- EasyEDA Libraries
- ECCN
- EAR99
- 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
R1242S001B-E2-FE
Extended- Manufacturer
- MFR.Part #
- R1242S001B-E2-FE
- JLCPCB Part #
- C2477452
- Package
- HSOP-8E-EP-4.4mm
- Description
- -40℃~+85℃@(TA) 1 1MHz 3A 5V~30V 800mV~15V Adjustable Buck Buck Built-in Yes HSOP-8E-EP-4.4mm DC-DC Converters ROHS
- EasyEDA Libraries
- ECCN
- EAR99
- 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.
R1242S001B-E2-FE Specifications
R1242S001B-E2-FE technical specifications, attributes, and parameters.
| Attributes | Value | |
|---|---|---|
| Category | Power Management (PMIC)/DC-DC Converters | |
| Manufacturer | Nisshinbo Micro Devices Inc. | |
| Package | HSOP-8E-EP-4.4mm | |
| Operating Temperature | -40℃~+85℃@(TA) | |
| Function | Step-down type | |
| Synchronous Rectifier | Yes | |
| Frequency - Switching | 1MHz | |
| Voltage - Supply | 5V~30V | |
| Output Type | Adjustable | |
| Output Current | 3A | |
| Quiescent Current | 800uA | |
| Features | Overcurrent Protection、Protection latch、Hiccup current limiting、Built-in current sense resistor | |
| Switch tube (built-in/external) | Built-in | |
| Topology | Buck | |
| Output Voltage | 800mV~15V | |
| Number of Outputs | 1 |
PCB Assembly Tips
From components to fully assembled PCBs. JLCPCB supports PCB assembly for the R1242S001B-E2-FE. 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.

R1242S001B-E2-FE Documents
R1242S001B-E2-FE datasheets or manufacturer documentation.
Datasheet: R1242S001B-E2-FE Datasheet (PDF)
R1242S001B-E2-FE Schematic Symbol & PCB Footprint
The R1242S001B-E2-FE schematic symbol and PCB footprint are available in the EasyEDA PCB design tool.