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HomeProductsSensors, TransducersOptical Sensors - Photointerrupters - Slot Type - Logic OutputOPB615
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OPB615 - TT Electronics/Optek Technology

Manufacturer Part Number
OPB615
Manufacturer
Optek Technology/TT Electronics
Allelco Part Number
98D-OPB615
Warranty
1 Year Allelco Warranty - Find out more
Stock Status:
2,495 pcs available, New & Original
Parts Description
SENSOR OPTICAL 3.81MM PCB MOUNT
Package
PCB Mount
Data sheet
OPB615.pdf
RoHs Status
RoHS Compliant
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Our certification
In stock: 2495
  • Unit Price: $1.364
  • Subtotal: $0.00

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Add to Cart and Submit RFQ now, we'll contact you immediately.

Quantity Unit Price Ext. Price
1+ $1.364 $1.36
10+ $1.364 $13.64
30+ $1.364 $40.92
200+ $0.528 $105.60
500+ $0.509 $254.50
1000+ $0.50 $500.00
The above prices does not include taxes and freight rates, which will be calculated on the order pages.

Specifications

OPB615 Tech Specifications
TT Electronics/Optek Technology - OPB615 technical specifications, attributes, parameters and parts with similar specifications to TT Electronics/Optek Technology - OPB615

Product Attribute Attribute Value
Manufacturer Optek Technology/TT Electronics
Voltage - Supply 4.5V ~ 16V
Series Photologic®
Sensing Method Through-Beam
Sensing Distance 0.150" (3.81mm)
Response Time 30ns
Product Attribute Attribute Value
Package / Case PCB Mount
Package Bulk
Output Configuration Pull-Up Resistor, Buffer
Operating Temperature -40°C ~ 100°C (TA)
Mounting Type Through Hole
Current - Supply 12 mA

Environmental & Export Classifications

ATTRIBUTE DESCRIPTION
RoHs Status RoHS Compliant
Moisture Sensitivity Level (MSL) 1 (Unlimited)
REACH Status REACH Unaffected
ECCN EAR99
HTSUS 8541.49.8000

Frequently Asked Questions(FAQ)

What is the typical operating current and supply voltage range for the OPB615 optical sensor, and how does this influence power budgeting in low-power embedded systems?
The OPB615 draws a typical operating current of 12 mA and operates across a supply voltage range from 4.5 V to 16 V. This relatively high quiescent current compared to modern optoelectronic devices may require careful consideration in battery-powered applications where power efficiency is critical. Designers must factor in this baseline consumption when sizing power supplies or selecting backup batteries, especially in systems with multiple sensors or long operational lifetimes.
How does the response time of the OPB615 compare to other through-beam photologic sensors, and what implications does its 30 ns response time have for high-speed position detection applications?
With a response time of 30 nanoseconds, the OPB615 offers significantly faster switching than many mechanical limit switches and even exceeds the performance of several standard phototransistors. This makes it suitable for applications requiring rapid state transitions, such as high-speed encoder feedback or precision timing in automation. When compared to similar through-beam sensors like the OPB609 or TIL814, the OPB615 provides superior speed without sacrificing reliability, enabling use in environments where cycle rates exceed 3 MHz.
Can the OPB615 be used reliably in outdoor or harsh industrial environments, given its temperature rating and packaging?
Yes, the OPB615 is rated for operation from -40°C to +100°C, making it well-suited for industrial environments where thermal extremes occur. Its through-hole mounting and robust PCB footprint enhance mechanical stability under vibration and thermal cycling. While not sealed to IP standards, its compact design and absence of moving parts contribute to long-term reliability in controlled industrial settings, provided ambient moisture and contaminants are managed through enclosure design.
In what scenarios would the OPB615’s pull-up resistor and buffered output configuration be advantageous over open-collector outputs?
The buffered output with integrated pull-up resistor simplifies interfacing with microcontrollers and logic circuits by eliminating the need for external pull-up resistors and buffer stages. This reduces component count and board space, particularly beneficial in densely populated PCBs. Compared to open-collector designs that require higher drive components, the OPB615’s configuration ensures consistent rise times and reduced susceptibility to noise on long traces, enhancing signal integrity in noisy environments.
How does the sensing distance of the OPB615—3.81 mm—affect object detection accuracy in tight assembly lines or precision machinery?
At exactly 3.81 mm (0.150"), the OPB615 provides a defined detection threshold ideal for detecting small objects or precise positional changes in confined spaces. This fixed gap length allows predictable alignment between emitter and receiver, reducing false triggers from misalignment or dust accumulation. In automated assembly lines, this consistency improves repeatability, especially when detecting thin strips, printed circuit boards, or rotating cam features within tight tolerances.
What are the key differences between the OPB615 and alternative through-beam sensors like the OPB617 in terms of package and electrical characteristics?
While both share the Photologic® series, the OPB615 uses a 3.81 mm sensing distance and PCB mount through-hole package, whereas the OPB617 typically features a different spacing and may include surface-mount variants. Electrically, the OPB615 specifies a 12 mA supply current and 30 ns response time, which may differ slightly in higher-speed variants. Selecting between them depends on mechanical layout constraints and required detection gap, with the OPB615 offering proven performance at its nominal 3.81 mm spacing.
Does the OPB615 support daisy-chaining or multi-sensor configurations in a single control loop?
The OPB615 is designed as a standalone through-beam sensor with independent output buffering, so direct daisy-chaining is not supported. However, its buffered digital output can be connected to a microcontroller input without additional level-shifting, allowing multiple units to feed into a common logic line with proper isolation. Care must be taken to avoid contention, and designers should ensure that only one sensor asserts the line at any time to prevent data corruption.
What impact does the Moisture Sensitivity Level (MSL) of 1 have on storage and handling during PCB assembly?
With an MSL rating of 1, the OPB615 has unlimited shelf life under normal dry conditions and does not require baking prior to reflow soldering. This simplifies inventory management and reduces handling complexity during mass production, especially in environments with strict Just-In-Time assembly protocols. Manufacturers can store components indefinitely without degradation, assuming compliance with general ESD and humidity guidelines.
Is the OPB615 suitable for use in medical devices or safety-critical systems, and what certifications support this application?
Although the OPB615 itself is not certified to IEC 60601 or ISO 13485, its RoHS3 compliance, REACH unaffected status, and EAR99 classification indicate suitability for regulated industries with proper system-level validation. Its stable optical performance and wide temperature range make it viable in non-invasive monitoring equipment where reliable object detection is required. Final approval depends on full device certification, but the component meets basic environmental and export control requirements.
How should the 3.81 mm sensing distance be interpreted when aligning emitter and receiver on a PCB?
The 3.81 mm sensing distance refers to the maximum reliable detection gap between the transmitter and receiver elements when mounted face-to-face on opposite sides of a PCB. Accurate alignment ensures sufficient overlap of the optical beam; deviations beyond this threshold risk signal loss or erratic triggering. During layout, fiducial markers and mechanical stops help maintain precision, and test fixtures are recommended during prototype validation to confirm consistent operation.
What are the limitations of using the OPB615 in transparent or translucent object detection?
Due to its through-beam design, the OPB615 relies on interruption of light rather than reflection, making it effective for opaque objects. Transparent materials may fail to block the beam sufficiently, leading to missed detections. For such applications, retroreflective or diffuse-reflective sensors would be more appropriate. The OPB615 excels in detecting solid barriers, slats, or fingers in machinery but is less effective with glass, water droplets, or clear plastics.
How does the OPB615’s operating temperature range compare to automotive-grade sensors, and what trade-offs exist in choosing it for vehicle applications?
The OPB615 operates from -40°C to +100°C, which aligns with AEC-Q100 Grade 2 requirements for many automotive subsystems. While it meets basic thermal demands, automotive systems often require stricter vibration resistance, extended temperature ranges (up to 125°C), and formal qualification. Using the OPB615 in vehicles is feasible for interior or non-exposed sensing tasks, but exposure to engine compartments may necessitate additional shielding or selection of higher-grade alternatives.

Parts with Similar Specifications

The three parts on the right have similar specifications to TT Electronics/Optek Technology OPB615

Product Attribute OPB617 OPB616 OPB618 OPB625
Part Number OPB617 OPB616 OPB618 OPB625
Manufacturer TT Electronics/Optek Technology TT Electronics/Optek Technology TT Electronics/Optek Technology TT Electronics/Optek Technology
Package / Case - 196-LFBGA 16-DIP (0.300', 7.62mm) 64-VFQFN Exposed Pad
Voltage - Supply - - - -
Sensing Distance - - - -
Series - - - -
Output Configuration - - - -
Current - Supply - - - -
Response Time - - - -
Mounting Type - Surface Mount Through Hole Surface Mount
Sensing Method - - - -
Package - Tape & Reel (TR) Tube Tape & Reel (TR)
Operating Temperature - -40°C ~ 85°C 0°C ~ 70°C -40°C ~ 85°C

OPB615 Datasheet PDF

Download OPB615 pdf datasheets and TT Electronics/Optek Technology documentation for OPB615 - TT Electronics/Optek Technology.

Datasheets
OPB615-618, 625,26,27, 665,66,67,68 (N,T Series).pdf

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Customer Reviews

Evaluation: 10 Articles

  • Arch***ct
    Jul 15, 2026

    Used this device in a communication signal processing board. Stable timing and no unexpected issues during implementation.

  • FPGA***lorer88
    Jul 7, 2026

    The FPGA works properly and all functions operate as expected. Documentation required some additional research, but overall it is a usable device for smaller signal processing projects.

  • Nath***oleman
    Jun 29, 2026

    Used this sensor component in an industrial automation setup. Detection accuracy was consistent and installation was straightforward.

  • Emil***rperTech
    Jun 23, 2026

    Works exactly as described. I used it as a USB-to-SPI bridge in a small MCU development project and communication was stable from the first setup.

  • Liam***terTech
    Jun 15, 2026

    Used this CPLD in a logic control project. Programming was straightforward and signal timing matched the design requirements.

  • Nath***rooks
    Jun 11, 2026

    Installed this power component in a converter board. Output remained stable under different load conditions and thermal performance was better than expected.

  • Dani***alkerTech
    Jun 1, 2026

    Product works, but setup took more effort than expected. Once configured the MCU ran reliably, although documentation support felt older compared with newer platforms. Fine for maintenance projects.

  • Yuki***aka88
    May 26, 2026

    信号通信プロジェクトでこのRS-485トランシーバーを使用しました。設置は簡単で、長距離ケーブルでも通信は安定していました。消費電力も、以前使用していたものより低くなっています。

  • Stev***aker
    May 20, 2026

    Solid diode for power rectification. Works well in switching circuits.

  • Bran***Lewis
    May 11, 2026

    Compact FPGA with good performance. Suitable for basic signal processing tasks.

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Shipment

Delivery Time

In-stock items can be shipped within 24 hours. Some parts will be arranged for delivery within 1-2 days from the date all items arrive at our warehouse. And Allelco ships order once a day at about 17:00, except Sunday. Once the goods are shipped, the estimated delivery time depends on the shipping methods and Delivery destination. The table below shows are the logistic time for some common countries.

Delivery Cost

  1. Use your express account for shipment if you have one.
  2. Use our account for the shipment. Refer to the table below for the approximate charges.
(Different time frame / countries / package size has different price.)

Delivery Method

  1. Global Common Shipment by DHL / UPS / FedEx / TNT / EMS / SF we support.
  2. Others more shipping ways, please get in touch with your customer manager.

Common Countries Logistic Time Reference
Region Country Logistic Time(Day)
America United States 5
Brazil 7
Europe Germany 5
United Kingdom 4
Italy 5
Oceania Australia 6
New Zealand 5
Asia India 4
Japan 4
Middle East Israel 6
DHL & FedEx Shipment Charges Reference
Shipment charges(KG) Reference DHL(USD$)
0.00kg-1.00kg USD$30.00 - USD$60.00
1.00kg-2.00kg USD$40.00 - USD$80.00
2.00kg-3.00kg USD$50.00 - USD$100.00
Note:
The above table is for reference only. There may have some data bias for the uncontrollable factors.
Contact us if you have any questions.
  • QC (Quality Warranty)
  • Payment Support
  • Packaging
  • Certifications & Memberships

QC (Quality Warranty)

Allelco is committed to exceeding customer expectations through customer service excellence, order accuracy, and on-time delivery.
This is achieved through our commitment to the continual improvement of our processes, services, and products.


Strict quality inspection builds a solid foundation for electronic component quality.
  1. Visual inspection
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We eliminate defective components and ensure the stable operation of electronic devices through professional quality standards.
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Packaging

Electrostatic Discharge Protection and Handling

All electrostatic-sensitive components are handled in accordance with electrostatic discharge control procedures. The products are hermetically sealed in anti-static safe packaging to prevent electrostatic damage. Appropriate labeling is also applied for identification and traceability. This ensures product integrity during storage, handling and transportation.


ESD

Certifications & Memberships

Third-party certified, strict quality control. Our certification
  • ISO 9001: 2015
  • ISO 13485: 2016
  • ISO 14001: 2015
  • ISO 28000: 2007
  • ISO 45001: 2018
  • GB/T 27922-2011
  • SMTA
  • IPC
  • ESD
  • PSMA
OPB615 Image

OPB615

TT Electronics/Optek Technology
98D-OPB615

Want a better price? Add to Cart and Submit RFQ now, we'll contact you immediately.

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