Logo
Contact Us
Cookies Policy
Terms of Use
Privacy Policy
phone
Vivi (Sales)
phone
Lucy (Sales)
phone
Ban (Sales)
phone
+86 755-2845-3125
RFQ List
  • open navigation menu
    • Logo
    • RFQ List
      • Manufacturers
      • Hot Products
      • RFQ
      • Blog
      • Tools
      • Sourcing Solutions
      • PCB/SMT
      • About Us
    Certification badge
    Certification badge
    Certification badge
    Certification badge
    Certification badge
    Certification badge
    Certification badge
    Certification badge
    Certification badge
    Certification badge
    Certification badge
    Certification badge
    CONTACT US
    Customer Support:
    +86 755-2845-3125
    Room 2709B, 5A Office Building, Longguang Jiuzuan, Hongshan, Longhua District, Shenzhen, China
    [email protected]
    Company
    • Blog
    • About Us
    • Contact Us
    Resources
    • Categories
    • Manufacturers
    • Tools
    • RFQ
    Quick link
    • Privacy Policy
    • Terms of Use
    • Cookies Policy
    • Refund & Return Policy
    • Shipping & Delivery Policy
    Payment
    • Payment method
    • Payment method
    • Payment method
    • Payment method
    Logistics
    • Logistics partner
    • Logistics partner
    • Logistics partner
    • Logistics partner

    © 2026 Copyright. All Rights Reserved. Made by ICAllIn

    Part number
    Part number
    1. Home/
    2. All Categories/
    3. Optoelectronics/
    4. LEDs/
    5. QEC121 Rochester

    QEC121 [Rochester]

    QEC121
    QEC121

    Part No:

    QEC121

    Category:

    LEDs

    Manufacturer:

    Rochester

    Description:

    880nm AlGaAs infrared LED in a clear purple tinted plastic T-1 package.

    Datasheet:

    Product FAQ

    1. Is QEC121 available for RFQ?

    Yes. QEC121 by Rochester 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 QEC121?

    Pricing for QEC121 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 QEC121?

    QEC121 is a Rochester LEDs with Temperature Coefficient Radiant Intensity: -0.3%/°C and Temperature Coefficient Forward Voltage: -6mV/°C. Review the product details or submit an RFQ if you need confirmation before purchase.

    4. How fast can I get a quote for QEC121?

    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 QEC121 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 QEC121?

    Yes. If QEC121 is unavailable, obsolete, or does not meet your required lead time, we can help check similar Rochester LEDs parts or compatible alternatives.

    RFQ

    Part Number:

    QEC121

    Manufacturer:

    Rochester

    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

    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
    Continuous Forward Current
    50mA
    Emission Angle
    18°
    Fall Time
    800 ns
    Forward Voltage
    1.7V
    Junction Capacitance
    11pF
    Operating Temperature
    -40°C ~ +100°C
    Package
    T-1 (3mm)
    Peak Emission Wavelength
    890 nm
    Power Dissipation
    100mW
    Radiant Intensity Qec121
    14mW/sr
    Radiant Intensity Qec122 Max
    94mW/sr
    Radiant Intensity Qec122 Min
    27mW/sr
    Radiant Intensity Qec123 Max
    45mW/sr
    Radiant Intensity Qec123 Min
    39mW/sr
    Reverse Current
    10µA
    Reverse Voltage
    5V
    Rise Time
    900 ns
    Soldering Temperature Flow
    260°C for 10 sec
    Soldering Temperature Iron
    240°C for 5 sec
    Storage Temperature
    -40°C ~ +100°C
    Temperature Coefficient Forward Voltage
    -6mV/°C
    Temperature Coefficient Radiant Intensity
    -0.3%/°C
    Temperature Coefficient Wavelength
    0.2 nm/°C

    Products Detail

    The QEC121, QEC122, and QEC123 are 880nm AlGaAs infrared LEDs encapsulated in a clear purple tinted plastic T-1 (3mm) package. They feature narrow emission angle (8° at 80% intensity), high output power, and are matched with photosensors QSC112/QSC113/QSC114.

    Key Features

    • Wavelength: 880nm
    • Chip Material: AlGaAs
    • Package Type: T-1 (3mm)
    • Matched Photosensor: QSC112/QSC113/QSC114
    • Narrow Emission Angle: 8° at 80% intensity
    • High Output Power
    • Package Material: clear purple tinted plastic

    Documents

    Datasheets:

    FAIRS28984 Datasheet
    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
    Related Information
    • Part Number
      Manufacturer
      Stock Status
      Pricing
      RoHS/Datasheet
    • QEE273
      Rochester
      Available for RFQ
      Request Volume Pricing
      -
    • LED56F
      Rochester
      Available for RFQ
      Request Volume Pricing
      -
    • QEB421TR
      Rochester
      Available for RFQ
      Request Volume Pricing
      -
    • QEC121
      Rochester
      Available for RFQ
      Request Volume Pricing
      -
    • F5D1
      Rochester
      Available for RFQ
      Request Volume Pricing
      -
    • QED233
      Rochester
      Available for RFQ
      Request Volume Pricing
      -

    QEE273

    QEE273

    Rochester

    LED56F

    LED56F

    Rochester

    F5D1

    F5D1

    Rochester

    QED233

    QED233

    Rochester

    QEC121

    QEC121

    Rochester

    QEB421TR

    QEB421TR

    Rochester

    LED Indication(86491)LED Lighting(49414)Fiber Optics(29251)Optical Switches(15253)Optical Detectors & Sensors(2039)Lamps, Holders & Accessories(153546)Infrared Communications(429)Drivers(0)Cameras & Accessories(919)Backlighting Components(107)Displays(28560)Lasers(1832)LED Bulbs & Modules(46390)LED Lighting Electronics(0)LED Lighting Mechanical(4799)LED Lighting Optics(21602)Lighting Connectors(0)

    No recently viewed products

    BEST SELL
    K4B4G1646E-BYK0

    K4B4G1646E-BYK0

    SAMSUNG

    BEST SELL
    TMS5700432APZQQ1

    TMS5700432APZQQ1

    Texas Instruments

    BEST SELL
    M25P80-VMW6TG

    M25P80-VMW6TG

    Micron

    BEST SELL
    ADF4351BCPZ

    ADF4351BCPZ

    Analog Devices

    BEST SELL
    H5CG46MEBDX015N

    H5CG46MEBDX015N

    SK HYNIX

    BEST SELL
    H5AN4G6NBJR-UHI

    H5AN4G6NBJR-UHI

    SK HYNIX

    BEST SELL
    ISO7721DR

    ISO7721DR

    Texas Instruments

    BEST SELL
    FS32K144HAT0MLLT

    FS32K144HAT0MLLT

    NXP

    BEST SELL
    H5AN8G8NCJR-XNC

    H5AN8G8NCJR-XNC

    SK HYNIX

    BEST SELL
    AD7124-8BCPZ-RL

    AD7124-8BCPZ-RL

    Analog Devices