



- Manufacturer
- MFR.Part #
- SM03C
- JLCPCB Part #
- C502553
- Package
- SOT-23
- Description
- -55℃~+150℃ 16V 2 20A 3.3V 350W 40pF 40uA 4V Bidirectional ESD IEC 61000-4-2、IEC 61000-4-4 SOT-23 ESD and Surge Protection (TVS/ESD) ROHS
- EasyEDA Libraries
- Datasheet
- Source
- JLCPCB
- Assembly Type
- SMT Assembly
- 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 | MDD(Microdiode Semiconductor) | |
| Package | SOT-23 | |
| Operating Temperature | -55℃~+150℃ | |
| Type | ESD | |
| Junction Capacitance | 40pF | |
| Number of Channels | 2 | |
| Peak Pulse Power Dissipation (Ppp) | 350W | |
| level of protection | IEC 61000-4-2、IEC 61000-4-4 | |
| Clamping Voltage | 16V | |
| Polarity | Bidirectional | |
| Peak Pulse Current (Ipp) | 20A | |
| Voltage - Breakdown | 4V | |
| Reverse Stand-Off Voltage (Vrwm) | 3.3V | |
| Reverse Leakage Current (Ir) | 40uA |

* Images are for reference only
SM03C
Extended- Manufacturer
- MFR.Part #
- SM03C
- JLCPCB Part #
- C502553
- Package
- SOT-23
- Description
- -55℃~+150℃ 16V 2 20A 3.3V 350W 40pF 40uA 4V Bidirectional ESD IEC 61000-4-2、IEC 61000-4-4 SOT-23 ESD and Surge Protection (TVS/ESD) ROHS
- EasyEDA Libraries
- Datasheet
- Source
- JLCPCB
- Assembly Type
- SMT Assembly
- 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
- Manufacturer
- MFR.Part #
- SM03C
- JLCPCB Part #
- C502553
- Package
- SOT-23
- Description
- -55℃~+150℃ 16V 2 20A 3.3V 350W 40pF 40uA 4V Bidirectional ESD IEC 61000-4-2、IEC 61000-4-4 SOT-23 ESD and Surge Protection (TVS/ESD) ROHS
- EasyEDA Libraries
- Datasheet
- Source
- JLCPCB
- Assembly Type
- SMT Assembly
- 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.
SM03C Specifications
SM03C technical specifications, attributes, and parameters.
| Attributes | Value | |
|---|---|---|
| Category | Circuit Protection/ESD and Surge Protection (TVS/ESD) | |
| Manufacturer | MDD(Microdiode Semiconductor) | |
| Package | SOT-23 | |
| Operating Temperature | -55℃~+150℃ | |
| Type | ESD | |
| Junction Capacitance | 40pF | |
| Number of Channels | 2 | |
| Peak Pulse Power Dissipation (Ppp) | 350W | |
| level of protection | IEC 61000-4-2、IEC 61000-4-4 | |
| Clamping Voltage | 16V | |
| Polarity | Bidirectional | |
| Peak Pulse Current (Ipp) | 20A | |
| Voltage - Breakdown | 4V | |
| Reverse Stand-Off Voltage (Vrwm) | 3.3V | |
| Reverse Leakage Current (Ir) | 40uA |
PCB Assembly Tips
From components to fully assembled PCBs. JLCPCB supports PCB assembly for the SM03C. 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.

SM03C Documents
SM03C datasheets or manufacturer documentation.
Datasheet: SM03C Datasheet (PDF)
SM03C Schematic Symbol & PCB Footprint
The SM03C schematic symbol and PCB footprint are available in the EasyEDA PCB design tool.