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    1. Home/
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    3. Sensors/
    4. Optical Sensors/
    5. OPB621 Optek

    OPB621 [Optek]

    OPB621
    OPB621

    Part No:

    OPB621

    Category:

    Optical Sensors

    Manufacturer:

    Optek

    Description:

    Slotted optical switches with IR emitter and phototransistor or PIN photodiode for non-contact switching.

    RoHS Status:

    Product FAQ

    1. Is OPB621 available for RFQ?

    Yes. OPB621 by Optek is available for RFQ. Submit your required quantity and our team will confirm real-time stock, lead time, and volume pricing.

    2. Why is there no fixed price for OPB621?

    Pricing for OPB621 can vary by order quantity, market availability, date code, packaging, and delivery destination. Request a quote to receive the latest volume pricing.

    3. What are the key specifications of OPB621?

    OPB621 is a Optek Optical Sensors with Power Dissipation Diode Output: 100mW and OPB610 Saturation Voltage Max: 0.4V. Review the product details or submit an RFQ if you need confirmation before purchase.

    4. How fast can I get a quote for OPB621?

    Our sales team usually responds within 24 hours after receiving your RFQ. The quote may include stock status, unit price, lead time, shipping options, and available alternatives.

    5. How soon can OPB621 be shipped?

    If stock is confirmed, in-stock parts can usually ship within 1–2 business days. Final lead time depends on quantity, stock source, and delivery destination.

    6. Can you suggest alternatives to OPB621?

    Yes. If OPB621 is unavailable, obsolete, or does not meet your required lead time, we can help check similar Optek Optical Sensors parts or compatible alternatives.

    RFQ

    Part Number:

    OPB621

    Manufacturer:

    Optek

    Looking for Pricing? Contact us for volume pricing.

    IMPORTANT NOTICE

    Quotations are subject to stock availability and may vary with market conditions. Prices and lead times are not guaranteed until a purchase order is confirmed. Ensure your contact details are correct to avoid delays in response.

    Featured Product

    Datasheet:

    Stock Status:

    Available for RFQ

    Pricing:

    Request Volume Pricing

    Quote Response:

    Within 24 Hours

    Shipping:

    In-stock parts ship in 1–2 business days

    Specification

    Type
    Parameter
    Collector Current
    30mA
    Collector Emitter Voltage
    24V
    Forward Current
    50mA
    OPB610 Dark Current Max
    100 nA
    OPB610 Forward Voltage Max
    1.6V
    OPB610 Lead Center
    0.275"
    OPB610 On State Current Min
    1mA
    OPB610 Saturation Voltage Max
    0.4V
    OPB610 Slot Depth
    0.240"
    OPB610 Slot Width
    0.150"
    OPB611 Dark Current Max
    65 nA
    OPB611 Lead Center
    0.275"
    OPB611 On State Current Max
    90µA
    OPB611 On State Current Min
    9µA
    OPB620 Dark Current Max
    100 nA
    OPB620 Forward Voltage Max
    1.6V
    OPB620 Lead Center
    0.320"
    OPB620 On State Current Min
    1mA
    OPB620 Saturation Voltage Max
    0.4V
    OPB620 Slot Depth
    0.285"
    OPB620 Slot Width
    0.190"
    OPB621 Dark Current Max
    65 nA
    OPB621 Forward Voltage Max
    1.45V
    OPB621 Forward Voltage Min
    1.15V
    OPB621 Lead Center
    0.320"
    OPB621 On State Current Max
    90µA
    OPB621 On State Current Min
    9µA
    Operating Temperature
    -40°C ~ +100°C
    Peak Forward Current
    3A
    Pin 1
    Anode (LED)
    Pin 2
    Cathode (LED)
    Pin 3
    Collector (Transistor) / Cathode (Diode)
    Pin 4
    Emitter (Transistor) / Anode (Diode)
    Power Dissipation Diode
    100mW
    Power Dissipation Diode Output
    100mW
    Power Dissipation Transistor
    200mW
    Reverse Breakdown Voltage
    60V
    Reverse Voltage
    3V
    RoHS Status
    RoHS Compliant
    Soldering Temperature
    260°C

    Products Detail

    Non-contact slotted optical switches for PCB mounting. Models with phototransistor (OPB610, OPB620) and PIN photodiode (OPB611, OPB621) for high-speed operation. Enhanced signal-to-noise ratio and immunity to background irradiance. Custom electrical, wire, cabling, and connectors available.

    Key Features

    • Non-contact switching
    • Printed circuit board mounting
    • Enhanced signal to noise ratio
    • PIN photodiode sensor for high speed (OPB611, OPB621)
    • Lead centers: 0.275" (OPB61_) / 0.320" (OPB62_)
    • Infrared emitting diode and NPN silicon phototransistor (OPB610, OPB620) or PIN photodiode (OPB611, OPB621)
    • Polysulfone housing opaque to visible light but transmissive to infrared
    • Low transit time of PIN photodiode for high-speed operation
    • Minimized sensitivity to ambient radiation

    Application scenarios

    • Non-contact reflective object sensor
    • Assembly line automation
    • Machine automation
    • Machine safety
    • End of travel sensor
    • Door sensor

    Documents

    Datasheets:

    OPB610-11, OPB620-21OPB621-Optek-datasheet-5314480.pdf
    Shipping & Warranty

    Fast Dispatch: Ships in 5-7 days(in-stock parts within 1-2 days)

    Unishop Global Export: 1-7 days, $40.00

    Guaranteed Delivery: Door-to-door in 30 days

    Compliant Worldwide Shipping: DHL, FedEx, SF, and UPS.

    Feature

    • 30-Day Guarantee
      30-Day Guarantee
    • Fasted Delivery
      Fasted Delivery
    • Hassle-Free Returns
      Hassle-Free Returns
    • Secure payment method
      Secure payment method

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