
For Reference Only
Part Number | 4N403S |
OEMstron Part # | 4N403S |
Manufacturer | ON Semiconductor |
Category | Semiconductors › Isolators › Optoisolators - Triac, SCR Output |
Description | OPTOISOLATOR 5.3KV SCR 6SMD |
Lifecycle | Obsolete |
RoHS | No RoHS Information |
EDA/CAD Models | 4N403S PCB Footprint and Symbol |
Warehouses | USA, Europe, China, Hong Kong SAR |
Estimated Delivery | Mar 21 - Mar 26 (Choose Expedited Shipping) |
Warranty | Up to 1 year [Limited-Warranty]* |
Payment | ![]() |
Shipping | ![]() |
4N403S Specifications
Part Number | 4N403S | |
Brand | ON Semiconductor | |
Lifecycle | Obsolete | |
RoHS | No RoHS Information | |
Product Line | Semiconductors | |
Category | Isolators | |
Subcategory | Optoisolators - Triac, SCR Output | |
Manufacturer | ON Semiconductor | |
Series | - | |
Output Type | SCR | |
Zero Crossing Circuit | No | |
Number of Channels | 1 | |
Voltage - Isolation | 5300Vrms | |
Voltage - Off State | 400V | |
Static dV/dt (Min) | 500V/µs | |
Current - LED Trigger (Ift) (Max) | 14mA | |
Current - On State (It (RMS)) (Max) | 300mA | |
Current - Hold (Ih) | 1mA | |
Turn On Time | 50µs (Max) | |
Voltage - Forward (Vf) (Typ) | 1.1V | |
Current - DC Forward (If) (Max) | 60mA | |
Operating Temperature | -55°C ~ 100°C | |
Mounting Type | Surface Mount | |
Package / Case | 6-SMD, Gull Wing | |
Supplier Device Package | 6-SMD | |
Approvals | UR, VDE |
4N403S Documents

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Global Supply Chains - Reliable and Authorized Distributor Resources
Part Number | Description | Stock |
4N403S Fairchild Semiconductor Corporation |
OPTOISOLATOR 5.3KV SCR 6SMD |
Contact Us |
4N403SD Fairchild Semiconductor Corporation |
OPTOISOLATOR 5.3KV SCR 6SMD |
Contact Us |
Part Number | Description | Stock |
4N403S D# 4N403S-ND ON Semiconductor |
OPTOISOLATOR 5.3KV SCR 6SMD |
Limited Supply - Call |
4N403SD D# 4N403SD-ND ON Semiconductor |
OPTOISOLATOR 5.3KV SCR 6SMD |
Limited Supply - Call |
Part Number | Description | Stock |
4N403S D# NS-4N403S Fairchild Semiconductor Corporation |
OEM/CM ONLY |
7549 |
4N403SD D# NS-4N403SD Fairchild Semiconductor Corporation |
OEM/CM ONLY |
4965 |
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