
SM4F78A-MS
- Manufacturer
- MFR.Part #
- SM4F78A-MS
- JLCPCB Part #
- C20523841
- Package
- SOD-123S
- Description
- -55℃~+150℃ 126V 3.1A@10/1000us 400W@10/1000us 5uA 78V 95.8V Unidirectional SOD-123S ESD and Surge Protection (TVS/ESD) ROHS
- EasyEDA Libraries
- ECCN
- EAR99
- Datasheet
- Source
- JLCPCB
- Assembly Type
- Wave Soldering
- 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.
| Attributes | Value | |
|---|---|---|
| Category | Circuit Protection/ESD and Surge Protection (TVS/ESD) | |
| Manufacturer | Lumimax Optoelectronic | |
| Package | SOD-123S | |
| Operating Temperature | -55℃~+150℃ | |
| Peak Pulse Power Dissipation (Ppp) | 400W@10/1000us | |
| Clamping Voltage | 126V | |
| Polarity | Unidirectional | |
| Peak Pulse Current (Ipp) | 3.1A@10/1000us | |
| Voltage - Breakdown | 95.8V | |
| Reverse Stand-Off Voltage (Vrwm) | 78V | |
| Reverse Leakage Current (Ir) | 5uA |

* Images are for reference only
SM4F78A-MS
Extended- Manufacturer
- MFR.Part #
- SM4F78A-MS
- JLCPCB Part #
- C20523841
- Package
- SOD-123S
- Description
- -55℃~+150℃ 126V 3.1A@10/1000us 400W@10/1000us 5uA 78V 95.8V Unidirectional SOD-123S ESD and Surge Protection (TVS/ESD) ROHS
- EasyEDA Libraries
- ECCN
- EAR99
- Datasheet
- Source
- JLCPCB
- Assembly Type
- Wave Soldering
- 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
SM4F78A-MS
Extended- Manufacturer
- MFR.Part #
- SM4F78A-MS
- JLCPCB Part #
- C20523841
- Package
- SOD-123S
- Description
- -55℃~+150℃ 126V 3.1A@10/1000us 400W@10/1000us 5uA 78V 95.8V Unidirectional SOD-123S ESD and Surge Protection (TVS/ESD) ROHS
- EasyEDA Libraries
- ECCN
- EAR99
- Datasheet
- Source
- JLCPCB
- Assembly Type
- Wave Soldering
- 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.
SM4F78A-MS Specifications
SM4F78A-MS technical specifications, attributes, and parameters.
| Attributes | Value | |
|---|---|---|
| Category | Circuit Protection/ESD and Surge Protection (TVS/ESD) | |
| Manufacturer | Lumimax Optoelectronic | |
| Package | SOD-123S | |
| Operating Temperature | -55℃~+150℃ | |
| Peak Pulse Power Dissipation (Ppp) | 400W@10/1000us | |
| Clamping Voltage | 126V | |
| Polarity | Unidirectional | |
| Peak Pulse Current (Ipp) | 3.1A@10/1000us | |
| Voltage - Breakdown | 95.8V | |
| Reverse Stand-Off Voltage (Vrwm) | 78V | |
| Reverse Leakage Current (Ir) | 5uA |
PCB Assembly Tips
From components to fully assembled PCBs. JLCPCB supports PCB assembly for the SM4F78A-MS. 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.

SM4F78A-MS Schematic Symbol & PCB Footprint
The SM4F78A-MS schematic symbol and PCB footprint are available in the EasyEDA PCB design tool.