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VSLY3943 - Vishay

Description: Infrared Emitters - High Power 940nm, T-1 70mW/sr, +/-17deg.

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VSLY3943 - Vishay  - 3D model
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VSLY3943 Details

  • Manufacturer Part Number:

    VSLY3943

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • HTS Code:

    8541.40.20.00

  • Factory Lead Time:

    10 Weeks

  • Date Of Intro:

    2017-12-03

  • Manufacturer:

    Vishay Intertechnologies

  • YTEOL:

    6

  • Configuration:

    SINGLE

  • Forward Current-Max:

    0.07 A

  • Forward Voltage-Max:

    1.7 V

  • JESD-609 Code:

    e2

  • Mounting Feature:

    RADIAL MOUNT

  • Number of Functions:

    1

  • Operating Temperature-Max:

    85 °C

  • Operating Temperature-Min:

    -40 °C

  • Optoelectronic Device Type:

    INFRARED LED

  • Output Power-Nom:

    40 mW

  • Packing Method:

    BULK

  • Peak Wavelength:

    940 nm

  • Reverse Voltage-Max:

    5 V

  • Shape:

    ROUND

  • Size:

    3 mm

  • Spectral Bandwidth:

    55 m

  • Surface Mount:

    NO

  • Terminal Finish:

    Tin/Silver (Sn/Ag)

  • Viewing Angle:

    34 deg

VSLY3943 Frequently Asked Questions (FAQs)

  • A symmetrical layout with a central ground plane and minimal track lengths is recommended. Keep the input and output tracks separate and avoid crossing them to minimize crosstalk.
  • Follow the recommended derating guidelines for temperature and power dissipation. Ensure good thermal conductivity between the device and the PCB, and consider using a heat sink if necessary.
  • The maximum allowable voltage transient is 2x the maximum rated voltage (Vr) for a duration of ≤ 100 ms. Exceeding this may cause damage to the device.
  • Yes, but ensure the device is operated within its recommended frequency range and that the switching frequency is not too high, as this may cause excessive power dissipation.
  • Use a TVS (Transient Voltage Suppressor) diode or a zener diode in parallel with the device to protect against overvoltage events. Implement ESD protection measures, such as a series resistor and a capacitor, to prevent damage from electrostatic discharge.

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VSLY3943 Overview

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