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Part Number | SMA4F28AY |
OEMstron Part # | SMA4F28AY |
Manufacturer | STMicroelectronics |
Category | Power › Circuit Protection › TVS - Diodes |
Description | AUTOMOTIVE POWER-RAIL TVS PROTEC |
Lifecycle | Active |
RoHS | No RoHS Information |
EDA/CAD Models | SMA4F28AY PCB Footprint and Symbol |
Warehouses | USA, Europe, China, Hong Kong SAR |
Estimated Delivery | Mar 16 - Mar 21 (Choose Expedited Shipping) |
Warranty | Up to 1 year [Limited-Warranty]* |
Payment | ![]() |
Shipping | ![]() |
SMA4F28AY Specifications
Part Number | SMA4F28AY | |
Brand | STMicroelectronics | |
Lifecycle | Active | |
RoHS | No RoHS Information | |
Product Line | Power | |
Category | Circuit Protection | |
Subcategory | TVS - Diodes | |
Manufacturer | STMicroelectronics | |
Series | Automotive, AEC-Q101, SMA4F | |
Type | Zener | |
Unidirectional Channels | 1 | |
Bidirectional Channels | - | |
Voltage - Reverse Standoff (Typ) | 28V | |
Voltage - Breakdown (Min) | 31.1V | |
Voltage - Clamping (Max) @ Ipp | 45.4V | |
Current - Peak Pulse (10/1000µs) | 8.8A | |
Power - Peak Pulse | 400W | |
Power Line Protection | No | |
Applications | Automotive | |
Capacitance @ Frequency | - | |
Operating Temperature | -55°C ~ 175°C (TJ) | |
Mounting Type | Surface Mount | |
Package / Case | DO-221AC, SMA Flat Leads | |
Supplier Device Package | SMAflat |
SMA4F28AY Documents

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