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    1. Home/
    2. All Categories/
    3. Optoelectronics/
    4. Optical Switches/
    5. VOS628AT Vishay
    Product FAQ

    1. Is VOS628AT available for RFQ?

    Yes. VOS628AT by Vishay 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 VOS628AT?

    Pricing for VOS628AT 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 VOS628AT?

    VOS628AT is a Vishay Optical Switches with Output Collector Emitter Saturation Voltage Max: 0.4V and Output Collector Emitter Saturation Voltage Min: 0.12V. Review the product details or submit an RFQ if you need confirmation before purchase.

    4. How fast can I get a quote for VOS628AT?

    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 VOS628AT 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 VOS628AT?

    Yes. If VOS628AT is unavailable, obsolete, or does not meet your required lead time, we can help check similar Vishay Optical Switches parts or compatible alternatives.

    RFQ

    Part Number:

    VOS628AT

    Manufacturer:

    Vishay

    Looking for Pricing? Contact us for volume pricing.

    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

    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.

    VOS628AT [Vishay]

    VOS628AT
    VOS628AT

    Part No:

    VOS628AT

    Category:

    Optical Switches

    Manufacturer:

    Vishay

    Description:

    The VOS628A series is an optocoupler featuring a GaAs infrared emitting diode optically coupled to a silicon planar phototransistor detector in a 4-pin 50 mil lead pitch mini-flat package. It provides high current transfer ratio at low input current, low coupling capacitance, and high isolation voltage for signal transmission between electrically separated circuits.

    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
    Soldering Temperature
    260°C
    Junction Temperature
    125°C
    Input Power Dissipation
    70mW
    Input Forward Voltage
    1.5V
    Creepage Distance
    ≥ 5 mm
    Clearance Distance
    ≥ 5 mm
    Insulation Thickness
    ≥ 0.4 mm
    Storage Temperature
    -55°C ~ +150°C
    Package
    SSOP-4, 50 mil pitch
    Ambient Temperature
    -55°C ~ +110°C
    Climatic Classification
    55/110/21

    Products Detail

    The VOS628A series optocoupler offers high current transfer ratio (CTR) with low input current, low profile SSOP-4 half-pitch package, high collector-emitter voltage (80V), and 3750V RMS isolation test voltage. Key features include low coupling capacitance, high common mode transient immunity, and safety agency approvals (UL, cUL, DIN EN 60747-5-5, FIMKO, CQC). Designed for signal isolation in telecom, industrial controls, battery-powered equipment, office machines, and programmable controllers.

    Key Features

    • High CTR with low input current
    • Low profile package (half pitch)
    • High collector emitter voltage VCEO = 80 V
    • Isolation test voltage = 3750 V RMS
    • Low coupling capacitance
    • High common mode transient immunity
    • Material categorization compliance

    Application scenarios

    • Telecom
    • Industrial controls
    • Battery powered equipment
    • Office machines
    • Programmable controllers

    Documents

    Datasheets:

    VOS628A
    Featured Product
    Comparative Tracking Index
    175
    Coupler Isolation Test Voltage
    3750V RMS
    Coupler Total Power Dissipation
    170mW
    Cut Off Frequency
    119kHz
    Environment Pollution Degree
    2
    Fall Time Non Saturated
    7 µs
    Fall Time Saturated
    11 µs
    Input Forward Current
    50mA
    Input Forward Voltage Min
    1.1V
    Input Reverse Current Max
    10µA
    Input Reverse Voltage
    6V
    Input Safety Current
    200mA
    Insulation Resistance (25C)
    ≥ 10^12Ω
    Insulation Resistance 100C
    ≥ 10^11Ω
    Maximum Repetitive Peak Isolation Voltage
    565V
    Maximum Transient Isolation Voltage
    6000V
    Maximum Withstanding Isolation Voltage
    3750V RMS
    Output Collector Current Continuous
    50mA
    Output Collector Current Pulsed
    100mA
    Output Collector Emitter Breakdown Voltage
    80V
    Output Collector Emitter Leakage Current Max
    100 nA
    Output Collector Emitter Saturation Voltage Max
    0.4V
    Output Collector Emitter Saturation Voltage Min
    0.12V
    Output Collector Emitter Voltage
    80V
    Output Emitter Collector Breakdown Voltage
    7V
    Output Emitter Collector Voltage
    7V
    Output Safety Power
    300mW
    Rise And Fall Time Saturated
    10 µs
    Rise Time Non Saturated
    5 µs
    Safety Temperature
    150°C
    Turn Off Time Non Saturated
    8 µs
    Turn Off Time Saturated
    12 µs
    Turn On Time Non Saturated
    5 µs
    Turn On Time Saturated
    14 µs
    VOS628A CTR Max
    600%
    VOS628A CTR Min
    50%
    VOS628A-2 CTR Max
    125%
    VOS628A-2 CTR Min
    63%
    VOS628A-3 CTR Max
    200%
    VOS628A-3 CTR Min
    100%
    Option Information

    RohsStatement:

    Vishay-company-15.pdf
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