
Note: The purchased components are stored in your JLCPCB parts library for future PCBA orders only, and cannot be shipped separately.
| Attributes | Value | |
|---|---|---|
| Category | Optoisolators/Transistor, Photovoltaic Output Optoisolators | |
| Manufacturer | OPTEK | |
| Package | TO-78-6 | |
| Operating Temperature | -55℃~+125℃ | |
| Load Voltage | 35V | |
| Forward Current(If) | 10mA | |
| Rise time | 15us | |
| Output Type | Phototransistor | |
| Output Current | 50mA | |
| Isolation Voltage(Vrms) | 1kV | |
| Reverse Voltage | 2V | |
| Number of Outputs | 1 | |
| Input type | DC | |
| Current Transfer Ratio (CTR) Minimum | 25% | |
| Vce Saturation(VCE(sat)) | 300mV@20mA,5mA | |
| Fall time | 15us | |
| Voltage - Forward(Vf) | 1.5V |

* 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.
4N23 technical specifications, attributes, and parameters.
| Attributes | Value | |
|---|---|---|
| Category | Optoisolators/Transistor, Photovoltaic Output Optoisolators | |
| Manufacturer | OPTEK | |
| Package | TO-78-6 | |
| Operating Temperature | -55℃~+125℃ | |
| Load Voltage | 35V | |
| Forward Current(If) | 10mA | |
| Rise time | 15us | |
| Output Type | Phototransistor | |
| Output Current | 50mA | |
| Isolation Voltage(Vrms) | 1kV | |
| Reverse Voltage | 2V | |
| Number of Outputs | 1 | |
| Input type | DC | |
| Current Transfer Ratio (CTR) Minimum | 25% | |
| Vce Saturation(VCE(sat)) | 300mV@20mA,5mA | |
| Fall time | 15us | |
| Voltage - Forward(Vf) | 1.5V |
From components to fully assembled PCBs. JLCPCB supports PCB assembly for the 4N23. 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.

4N23 datasheets or manufacturer documentation.
Datasheet: 4N23 Datasheet (PDF)
The 4N23 schematic symbol and PCB footprint are available in the EasyEDA PCB design tool.