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LEM2520T3R9J - Brand New TAIYO YUDEN Fixed Inductors - Datasheet - Chipdatas

LEM2520T3R9J - Brand New TAIYO YUDEN Fixed Inductors

In Stock:3060 ,Ready for Immediate Shipping
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In Stock: 3060, Ready for Immediate Shipping
Brand:TAIYO YUDEN
Category:Fixed Inductors
Chipdatas Part No.:CD94-LEM2520T3R9J
Manufacturer Part No.:LEM2520T3R9J
Datecode:09+
Package:1008 2520 Metric
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  • GENERAL DESCRIPTION

    The SM8237 is a step-up DC/DC converter specifically designed to drive white LEDs with a constant current. The device can drive two, three or four LEDs in series from a Li-ion cell. Series connection of the LEDs provides identical LED currents resulting in uniform brightness and eliminating the need for ballast resistors. The SM8237 switches at 1.2 MHz, allowing the use of tiny external components. The output capacitor can be as small as 0.22μF, saving space and cost versus alternative solutions. A low 95mV feedback voltage minimizes power loss in the current setting resistor for better efficiency.

    FEATURES

    • Inherently matched LED current
    • High efficiency : 84% typical
    • Drives up to four LEDs from a 2.8V supply
    • Drives up to six LEDs from a 5V supply
    • 36V rugged bipolar switch
    • Fast 1.2MHz switching frequency
    • Uses tiny 1 mm tall inductors
    • Requires only 0.22μF output capacitor
    • Low profile TSOT package
  • Similar parts: 6197 , Click to view
    Attributes Value
    Category Fixed Inductors
    Manufacturer Taiyo Yuden
    Product Category Fixed Inductors
    Series
    Type Wirewound
    Packaging Tape & Reel (TR)
    Current-Rating 180mA
    Package-Case 1008 (2520 Metric)
    Operating-Temperature -40°C ~ 85°C
    Mounting-Type Surface Mount
    Size-Dimension 0.098" L x 0.079" W (2.50mm x 2.00mm)
    Tolerance ±5%
    Height-Seated-Max 0.079" (2.00mm)
    Ratings -
    Shielding Unshielded
    Inductance-Frequency 3.9μH
    DC resistance (DCR) 2.1 Ohm Max
    Core Materials -
    Current-Saturation -
    Q factor 30 @ 7.96MHz
    Self Resonant Frequency 43MHz
    Frequency-Test 7.96MHz
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  • Shopping guide

    Warranty:
    • - 30-day money-back return policy,
    • - 90-day warranty against any manufacturing defects. View more
    Returning:
    Within 30 days from date of shipment. View more

    Delivery period:
    • - Will ship out in 2-3 days
    • - DHL Express: 3-7 business days
    • - DHL eCommerce: 12-22 business days
    • - FedEx International Priority: 3-7 business days
    • - EMS: 10-15 business days
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Contact us
Additional Information
  • Datasheet: Download LEM2520T3R9J
  • Chipdatas Part: CD94-LEM2520T3R9J
  • Warehouse: China, Hong Kong
  • Dispatch: Within 24 hours
  • Free Shipping: Yes
  • Prority Shipping: Yes, 3-5 days
  • Last Updated: 2024/06/03 10:32 +0800
Refund
    • Full Refund if you don't receive your order
    • Full or Partial Refund , If the item is not as described
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