OPB973N51 is out of stock and can be placed on backorder.
Available Substitutes:

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OPB973N51 | |
|---|---|
DigiKey Part Number | 365-1113-ND |
Manufacturer | |
Manufacturer Product Number | OPB973N51 |
Description | SENSOR OPTICAL 3.18MM PCB MOUNT |
Manufacturer Standard Lead Time | 12 Weeks |
Customer Reference | |
Detailed Description | Optical Sensor Through-Beam 0.125" (3.18mm) PCB Mount |
Datasheet | Datasheet |
EDA/CAD Models | OPB973N51 Models |
Product Attributes
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Category | Mounting Type Through Hole |
Manufacturer TT Electronics/Optek Technology | Current - Supply 15 mA |
Series | Voltage - Supply 4.75V ~ 5.25V |
Packaging Bulk | Response Time 70ns |
Part Status Active | Operating Temperature -40°C ~ 70°C |
Sensing Distance 0.125" (3.18mm) | Package / Case PCB Mount |
Sensing Method Through-Beam | Base Product Number |
Output Configuration NPN - Open Collector, Inverted |
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Substitutes (10)
| Part Number | Manufacturer | Quantity Available | DigiKey Part Number | Unit Price | Substitute Type |
|---|---|---|---|---|---|
| OPB973T55 | TT Electronics/Optek Technology | 365 | 2266-OPB973T55-ND | $3.72000 | Similar |
| OPB963N11 | TT Electronics/Optek Technology | 0 | OPB963N11-ND | $4.23500 | Similar |
| OPB963N51 | TT Electronics/Optek Technology | 0 | 365-1797-ND | $3.73000 | Similar |
| OPB963P51 | TT Electronics/Optek Technology | 0 | OPB963P51-ND | $3.53100 | Similar |
| OPB963T11 | TT Electronics/Optek Technology | 0 | OPB963T11-ND | $4.31200 | Similar |
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In-Stock: 0
100 estimated in stock on 17-Dec-2026
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Quantity
All prices are in USD
Bulk
| Quantity | Unit Price | Ext Price |
|---|---|---|
| 1 | $3.68000 | $3.68 |
| 100 | $3.44000 | $344.00 |
| 250 | $3.32000 | $830.00 |
| 500 | $3.19002 | $1,595.01 |
| 1,000 | $3.17500 | $3,175.00 |
Tariff Status: Tariff may apply if shipping to the United States. Estimated tariff costs will be calculated and displayed in the shopping cart to help you assess potential expenses.





