
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 Modules/DC-DC Power Modules | |
| Manufacturer | Bellnix Co., LTD | |
| Package | SIP,51x8.8mm | |
| Conversion Efficiency | 91% | |
| Function | Step-down type | |
| Output Current(Max) | 3A | |
| Output Voltage Accuracy | ±5% | |
| Voltage - Supply | 4.75V~13.6V | |
| Operating Temperature Range | -10℃~+70℃ | |
| Height | 8.8mm | |
| Features | Short Circuit Protection、Over Current Protection、Programmable output voltage | |
| Output Voltage | 3.3V | |
| Ripple Noise | 50mVp-p | |
| Quiescent Supply Current | 100uA | |
| Number of Outputs | 1 |

* Images are for reference only
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
Note: The purchased components are stored in your JLCPCB parts library for future PCBA orders only, and cannot be shipped separately.
BSI-3.3S3R0A technical specifications, attributes, and parameters.
| Attributes | Value | |
|---|---|---|
| Category | Power Modules/DC-DC Power Modules | |
| Manufacturer | Bellnix Co., LTD | |
| Package | SIP,51x8.8mm | |
| Conversion Efficiency | 91% | |
| Function | Step-down type | |
| Output Current(Max) | 3A | |
| Output Voltage Accuracy | ±5% | |
| Voltage - Supply | 4.75V~13.6V | |
| Operating Temperature Range | -10℃~+70℃ | |
| Height | 8.8mm | |
| Features | Short Circuit Protection、Over Current Protection、Programmable output voltage | |
| Output Voltage | 3.3V | |
| Ripple Noise | 50mVp-p | |
| Quiescent Supply Current | 100uA | |
| Number of Outputs | 1 |
From components to fully assembled PCBs. JLCPCB supports PCB assembly for the BSI-3.3S3R0A. Sign up to receive and start your assembly today →
Step 1 - Pre-order the parts you need from JLCPCB.
Step 2 - Place a PCBA order to have those parts assembled onto your boards.
Step 3 - JLCPCB manufactures and assembles your boards in as fast as 3 days.

BSI-3.3S3R0A datasheets or manufacturer documentation.
Datasheet: BSI-3.3S3R0A Datasheet (PDF)
The BSI-3.3S3R0A schematic symbol and PCB footprint are available in the EasyEDA PCB design tool.