OPB991P51Z is out of stock and can be placed on backorder.
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TT Electronics/Optek Technology
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Unit Price: $6.48000
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TT Electronics/Optek Technology
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Unit Price: $5.98000
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TT Electronics/Optek Technology
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Unit Price: $5.64000
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TT Electronics/Optek Technology
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Unit Price: $6.46000
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TT Electronics/Optek Technology
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Unit Price: $6.46000
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TT Electronics/Optek Technology
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Unit Price: $5.98000
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Datasheet
Optical Sensor Through-Beam 0.125" (3.18mm) Module, Wire Leads
Image shown is a representation only. Exact specifications should be obtained from the product data sheet.

OPB991P51Z

DigiKey Part Number
365-1825-ND
Manufacturer
Manufacturer Product Number
OPB991P51Z
Description
SENSOR OPTICAL 3.18MM MOD WIRE
Manufacturer Standard Lead Time
12 Weeks
Customer Reference
Detailed Description
Optical Sensor Through-Beam 0.125" (3.18mm) Module, Wire Leads
Datasheet
 Datasheet
Product Attributes
Filter Similar Products
Category
Mounting Type
Chassis Mount
Manufacturer
TT Electronics/Optek Technology
Current - Supply
12 mA
Series
Voltage - Supply
4.5V ~ 16V
Packaging
Bulk
Response Time
70ns
Part Status
Active
Operating Temperature
-40°C ~ 70°C
Sensing Distance
0.125" (3.18mm)
Package / Case
Module, Wire Leads
Sensing Method
Through-Beam
Base Product Number
Output Configuration
NPN - Open Collector, Buffer
Environmental & Export Classifications
Product Questions and Answers
Additional Resources
Substitutes (7)
Part NumberManufacturerQuantity AvailableDigiKey Part NumberUnit PriceSubstitute Type
OPB991L11ZTT Electronics/Optek Technology0365-2063-ND$6.48000Similar
OPB991L51ZTT Electronics/Optek Technology0365-1823-ND$5.98000Similar
OPB991L55ZTT Electronics/Optek Technology0365-1824-ND$5.64000Similar
OPB991P11ZTT Electronics/Optek Technology0OPB991P11Z-ND$6.46000Similar
OPB991T11ZTT Electronics/Optek Technology0365-1826-ND$6.46000Similar
In-Stock: 0
100 estimated in stock on 23-Oct-2026
Request Stock Notification
All prices are in USD
Bulk
QuantityUnit PriceExt Price
1$5.98000$5.98
100$5.58000$558.00
250$5.38000$1,345.00
500$5.16002$2,580.01
1,000$5.15000$5,150.00
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.