OPTEK/TT ELECTRONICS OPB840L55 Optical Switch with Phototransistor Output
The OPB840L55 is a high-performance optical switch designed for precise object detection and automation applications. Manufactured by OPTEK/TT Electronics, this transmissive phototransistor output device offers flexible configuration options to suit various industrial and security needs.
Part Number: OPB840L55
Manufacturer: OPTEK/TT ELECTRONICS
Country of Origin: MX
Unit of Measure: EA
ECCN: EAR99
Package Type: BLK
This optical switch features a 0.125” (3.18 mm) wide slot with options for custom electrical output parameters, aperture size, and shell material—either IR transmissive or opaque plastic. Its side mount configuration allows easy integration into various systems.
Key Features:
Transmissive optical switch with phototransistor output
Customizable aperture and shell material for contamination resistance or maximum ambient light rejection
Choice of lead spacing (L Series) or 24” UL-approved wire leads (W Series)
Opaque or IR transmissive housing options
Designed for non-contact, interruptive object sensing, automation, and safety applications
Electrical and Mechanical Specifications:
Absolute Maximum Ratings (TA=25°C)
Storage and Operating Temperature
-40°C to +85°C (L Series), -40°C to +80°C (W Series)
Lead Soldering Temperature
260°C (for 1/16 inch from case, 5 sec)
Input Diode
Forward DC Current
50 mA
Peak Forward Current (1 µs pulse)
1 A
Reverse DC Voltage
2 V
Power Dissipation
100 mW
Output Phototransistor
Collector-Emitter Voltage
30 V
Emitter-Collector Voltage
5 V
Collector DC Current
30 mA
Power Dissipation
100 mW
Electrical Characteristics (TA=25°C):
Parameter
Min
Typ
Max
Units
Test Conditions
Forward Voltage (V F)
-
-
1.7
V
I = 20 mA
Reverse Current (I R)
-
-
100
µA
V = 2 V
Collector-Emitter Breakdown Voltage (V (BR)CEO)
30
-
-
V
I = 1 mA
Emitter-Collector Breakdown Voltage (V (BR)ECO)
5
-
-
V
I = 100 µA
Dark Current (I CEO)
-
-
100
nA
V = 10 V
Additional Information:
For detailed specifications and application guidance, please refer to the Datasheet.
Note: The datasheet was not processed; please search the internet for the part number for more details.
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{"id":10013801414973,"title":"OPB840L55","handle":"opb840l55","description":"\u003ch3\u003eOPTEK\/TT ELECTRONICS OPB840L55 Optical Switch with Phototransistor Output\u003c\/h3\u003e\n\u003cp\u003eThe OPB840L55 is a high-performance optical switch designed for precise object detection and automation applications. Manufactured by OPTEK\/TT Electronics, this transmissive phototransistor output device offers flexible configuration options to suit various industrial and security needs.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e OPB840L55\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer:\u003c\/strong\u003e OPTEK\/TT ELECTRONICS\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCountry of Origin:\u003c\/strong\u003e MX\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUnit of Measure:\u003c\/strong\u003e EA\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eECCN:\u003c\/strong\u003e EAR99\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePackage Type:\u003c\/strong\u003e BLK\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThis optical switch features a 0.125” (3.18 mm) wide slot with options for custom electrical output parameters, aperture size, and shell material—either IR transmissive or opaque plastic. Its side mount configuration allows easy integration into various systems.\u003c\/p\u003e\n\u003ch3\u003eKey Features:\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eTransmissive optical switch with phototransistor output\u003c\/li\u003e\n\u003cli\u003eCustomizable aperture and shell material for contamination resistance or maximum ambient light rejection\u003c\/li\u003e\n\u003cli\u003eChoice of lead spacing (L Series) or 24” UL-approved wire leads (W Series)\u003c\/li\u003e\n\u003cli\u003eOpaque or IR transmissive housing options\u003c\/li\u003e\n\u003cli\u003eDesigned for non-contact, interruptive object sensing, automation, and safety applications\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eElectrical and Mechanical Specifications:\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eAbsolute Maximum Ratings (TA=25°C)\u003c\/th\u003e\n\u003cth\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStorage and Operating Temperature\u003c\/td\u003e\n\u003ctd\u003e-40°C to +85°C (L Series), -40°C to +80°C (W Series)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLead Soldering Temperature\u003c\/td\u003e\n\u003ctd\u003e260°C (for 1\/16 inch from case, 5 sec)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eInput Diode\u003c\/th\u003e\n\u003cth\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eForward DC Current\u003c\/td\u003e\n\u003ctd\u003e50 mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePeak Forward Current (1 µs pulse)\u003c\/td\u003e\n\u003ctd\u003e1 A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eReverse DC Voltage\u003c\/td\u003e\n\u003ctd\u003e2 V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Dissipation\u003c\/td\u003e\n\u003ctd\u003e100 mW\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eOutput Phototransistor\u003c\/th\u003e\n\u003cth\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCollector-Emitter Voltage\u003c\/td\u003e\n\u003ctd\u003e30 V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEmitter-Collector Voltage\u003c\/td\u003e\n\u003ctd\u003e5 V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCollector DC Current\u003c\/td\u003e\n\u003ctd\u003e30 mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Dissipation\u003c\/td\u003e\n\u003ctd\u003e100 mW\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch3\u003eElectrical Characteristics (TA=25°C):\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eParameter\u003c\/th\u003e\n\u003cth\u003eMin\u003c\/th\u003e\n\u003cth\u003eTyp\u003c\/th\u003e\n\u003cth\u003eMax\u003c\/th\u003e\n\u003cth\u003eUnits\u003c\/th\u003e\n\u003cth\u003eTest Conditions\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eForward Voltage (V F)\u003c\/td\u003e\n\u003ctd\u003e-\u003c\/td\u003e\n\u003ctd\u003e-\u003c\/td\u003e\n\u003ctd\u003e1.7\u003c\/td\u003e\n\u003ctd\u003eV\u003c\/td\u003e\n\u003ctd\u003eI = 20 mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eReverse Current (I R)\u003c\/td\u003e\n\u003ctd\u003e-\u003c\/td\u003e\n\u003ctd\u003e-\u003c\/td\u003e\n\u003ctd\u003e100\u003c\/td\u003e\n\u003ctd\u003eµA\u003c\/td\u003e\n\u003ctd\u003eV = 2 V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCollector-Emitter Breakdown Voltage (V (BR)CEO)\u003c\/td\u003e\n\u003ctd\u003e30\u003c\/td\u003e\n\u003ctd\u003e-\u003c\/td\u003e\n\u003ctd\u003e-\u003c\/td\u003e\n\u003ctd\u003eV\u003c\/td\u003e\n\u003ctd\u003eI = 1 mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEmitter-Collector Breakdown Voltage (V (BR)ECO)\u003c\/td\u003e\n\u003ctd\u003e5\u003c\/td\u003e\n\u003ctd\u003e-\u003c\/td\u003e\n\u003ctd\u003e-\u003c\/td\u003e\n\u003ctd\u003eV\u003c\/td\u003e\n\u003ctd\u003eI = 100 µA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDark Current (I CEO)\u003c\/td\u003e\n\u003ctd\u003e-\u003c\/td\u003e\n\u003ctd\u003e-\u003c\/td\u003e\n\u003ctd\u003e100\u003c\/td\u003e\n\u003ctd\u003enA\u003c\/td\u003e\n\u003ctd\u003eV = 10 V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch3\u003eAdditional Information:\u003c\/h3\u003e\n\u003cp\u003eFor detailed specifications and application guidance, please refer to the \u003ca href=\"https:\/\/www.waldomapac.com\/upload\/parts\/datasheets\/mf-op\/op-opb840l55.pdf\" target=\"_blank\"\u003eDatasheet\u003c\/a\u003e.\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eNote: The datasheet was not processed; please search the internet for the part number for more details.\u003c\/em\u003e\u003c\/p\u003e","published_at":"2025-08-10T22:22:27+05:30","created_at":"2025-08-10T22:22:27+05:30","vendor":"Waldom Electonics","type":"Optoelectronics","tags":["IMPORT_CSV","OPTEK-TTEL","Optical","Optoelectronics","Phototransistor","SW","Transmissive","WLDM"],"price":27580,"price_min":27580,"price_max":27580,"available":true,"price_varies":false,"compare_at_price":null,"compare_at_price_min":0,"compare_at_price_max":0,"compare_at_price_varies":false,"variants":[{"id":50579024347453,"title":"Default Title","option1":"Default Title","option2":null,"option3":null,"sku":"OPB840L55","requires_shipping":true,"taxable":true,"featured_image":null,"available":true,"name":"OPB840L55","public_title":null,"options":["Default Title"],"price":27580,"weight":250,"compare_at_price":null,"inventory_management":"shopify","barcode":"OPB840L55","requires_selling_plan":false,"selling_plan_allocations":[]}],"images":["\/\/thinkrobotics.com\/cdn\/shop\/files\/OPB840L55_51290661_abead159.jpg?v=1754844751"],"featured_image":"\/\/thinkrobotics.com\/cdn\/shop\/files\/OPB840L55_51290661_abead159.jpg?v=1754844751","options":["Title"],"media":[{"alt":null,"id":45766118703421,"position":1,"preview_image":{"aspect_ratio":1.0,"height":200,"width":200,"src":"\/\/thinkrobotics.com\/cdn\/shop\/files\/OPB840L55_51290661_abead159.jpg?v=1754844751"},"aspect_ratio":1.0,"height":200,"media_type":"image","src":"\/\/thinkrobotics.com\/cdn\/shop\/files\/OPB840L55_51290661_abead159.jpg?v=1754844751","width":200}],"requires_selling_plan":false,"selling_plan_groups":[],"content":"\u003ch3\u003eOPTEK\/TT ELECTRONICS OPB840L55 Optical Switch with Phototransistor Output\u003c\/h3\u003e\n\u003cp\u003eThe OPB840L55 is a high-performance optical switch designed for precise object detection and automation applications. Manufactured by OPTEK\/TT Electronics, this transmissive phototransistor output device offers flexible configuration options to suit various industrial and security needs.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e OPB840L55\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer:\u003c\/strong\u003e OPTEK\/TT ELECTRONICS\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCountry of Origin:\u003c\/strong\u003e MX\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUnit of Measure:\u003c\/strong\u003e EA\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eECCN:\u003c\/strong\u003e EAR99\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePackage Type:\u003c\/strong\u003e BLK\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThis optical switch features a 0.125” (3.18 mm) wide slot with options for custom electrical output parameters, aperture size, and shell material—either IR transmissive or opaque plastic. Its side mount configuration allows easy integration into various systems.\u003c\/p\u003e\n\u003ch3\u003eKey Features:\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eTransmissive optical switch with phototransistor output\u003c\/li\u003e\n\u003cli\u003eCustomizable aperture and shell material for contamination resistance or maximum ambient light rejection\u003c\/li\u003e\n\u003cli\u003eChoice of lead spacing (L Series) or 24” UL-approved wire leads (W Series)\u003c\/li\u003e\n\u003cli\u003eOpaque or IR transmissive housing options\u003c\/li\u003e\n\u003cli\u003eDesigned for non-contact, interruptive object sensing, automation, and safety applications\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eElectrical and Mechanical Specifications:\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eAbsolute Maximum Ratings (TA=25°C)\u003c\/th\u003e\n\u003cth\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStorage and Operating Temperature\u003c\/td\u003e\n\u003ctd\u003e-40°C to +85°C (L Series), -40°C to +80°C (W Series)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLead Soldering Temperature\u003c\/td\u003e\n\u003ctd\u003e260°C (for 1\/16 inch from case, 5 sec)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eInput Diode\u003c\/th\u003e\n\u003cth\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eForward DC Current\u003c\/td\u003e\n\u003ctd\u003e50 mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePeak Forward Current (1 µs pulse)\u003c\/td\u003e\n\u003ctd\u003e1 A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eReverse DC Voltage\u003c\/td\u003e\n\u003ctd\u003e2 V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Dissipation\u003c\/td\u003e\n\u003ctd\u003e100 mW\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eOutput Phototransistor\u003c\/th\u003e\n\u003cth\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCollector-Emitter Voltage\u003c\/td\u003e\n\u003ctd\u003e30 V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEmitter-Collector Voltage\u003c\/td\u003e\n\u003ctd\u003e5 V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCollector DC Current\u003c\/td\u003e\n\u003ctd\u003e30 mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Dissipation\u003c\/td\u003e\n\u003ctd\u003e100 mW\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch3\u003eElectrical Characteristics (TA=25°C):\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eParameter\u003c\/th\u003e\n\u003cth\u003eMin\u003c\/th\u003e\n\u003cth\u003eTyp\u003c\/th\u003e\n\u003cth\u003eMax\u003c\/th\u003e\n\u003cth\u003eUnits\u003c\/th\u003e\n\u003cth\u003eTest Conditions\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eForward Voltage (V F)\u003c\/td\u003e\n\u003ctd\u003e-\u003c\/td\u003e\n\u003ctd\u003e-\u003c\/td\u003e\n\u003ctd\u003e1.7\u003c\/td\u003e\n\u003ctd\u003eV\u003c\/td\u003e\n\u003ctd\u003eI = 20 mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eReverse Current (I R)\u003c\/td\u003e\n\u003ctd\u003e-\u003c\/td\u003e\n\u003ctd\u003e-\u003c\/td\u003e\n\u003ctd\u003e100\u003c\/td\u003e\n\u003ctd\u003eµA\u003c\/td\u003e\n\u003ctd\u003eV = 2 V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCollector-Emitter Breakdown Voltage (V (BR)CEO)\u003c\/td\u003e\n\u003ctd\u003e30\u003c\/td\u003e\n\u003ctd\u003e-\u003c\/td\u003e\n\u003ctd\u003e-\u003c\/td\u003e\n\u003ctd\u003eV\u003c\/td\u003e\n\u003ctd\u003eI = 1 mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEmitter-Collector Breakdown Voltage (V (BR)ECO)\u003c\/td\u003e\n\u003ctd\u003e5\u003c\/td\u003e\n\u003ctd\u003e-\u003c\/td\u003e\n\u003ctd\u003e-\u003c\/td\u003e\n\u003ctd\u003eV\u003c\/td\u003e\n\u003ctd\u003eI = 100 µA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDark Current (I CEO)\u003c\/td\u003e\n\u003ctd\u003e-\u003c\/td\u003e\n\u003ctd\u003e-\u003c\/td\u003e\n\u003ctd\u003e100\u003c\/td\u003e\n\u003ctd\u003enA\u003c\/td\u003e\n\u003ctd\u003eV = 10 V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch3\u003eAdditional Information:\u003c\/h3\u003e\n\u003cp\u003eFor detailed specifications and application guidance, please refer to the \u003ca href=\"https:\/\/www.waldomapac.com\/upload\/parts\/datasheets\/mf-op\/op-opb840l55.pdf\" target=\"_blank\"\u003eDatasheet\u003c\/a\u003e.\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eNote: The datasheet was not processed; please search the internet for the part number for more details.\u003c\/em\u003e\u003c\/p\u003e"}
