


Note: The purchased components are stored in your JLCPCB parts library for future PCBA orders only, and cannot be shipped separately.
| Attributes | Value | |
|---|---|---|
| Category | Circuit Protection/Disposable fuses | |
| Manufacturer | HOLLY | |
| Package | D6.35xL31.8mm | |
| Operating Temperature | -55℃~+125℃ | |
| Type | Ceramic Tube Fuse | |
| Length | 31.8mm | |
| Interrupt Rating | 10kA | |
| Diameter (φD) | 6.35mm | |
| Current Rating | 30A | |
| Voltage Rating (DC) | 500V | |
| Voltage Rating (AC) | 500V |

* 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.
6FF-300H2 technical specifications, attributes, and parameters.
| Attributes | Value | |
|---|---|---|
| Category | Circuit Protection/Disposable fuses | |
| Manufacturer | HOLLY | |
| Package | D6.35xL31.8mm | |
| Operating Temperature | -55℃~+125℃ | |
| Type | Ceramic Tube Fuse | |
| Length | 31.8mm | |
| Interrupt Rating | 10kA | |
| Diameter (φD) | 6.35mm | |
| Current Rating | 30A | |
| Voltage Rating (DC) | 500V | |
| Voltage Rating (AC) | 500V |
From components to fully assembled PCBs. JLCPCB supports PCB assembly for the 6FF-300H2. 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.

6FF-300H2 datasheets or manufacturer documentation.
Datasheet: 6FF-300H2 Datasheet (PDF)
The 6FF-300H2 schematic symbol and PCB footprint are available in the EasyEDA PCB design tool.