HONG KONG HAOCHIP TRADING CO., LIMITED

    Littelfuse Inc. LR4-450F

    Part No.:
    LR4-450F
    Manufacturer:
    Littelfuse Inc.
    Category:
    PTC Resettable Fuses
    Package:
    Strap
    Datasheet:
    HONG KONG HAOCHIP TRADING CO., LIMITEDLR4-450F.pdf
    Description:
    PTC RESET FUSE 20V 4.5A STRAP
    Quantity:

    Product details

    • Specifications
    • FAQ
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    Product attributes
    Attribute value
    Manufacturer:
    Littelfuse Inc.
    Package/Case:
    Strap
    Series:
    PolySwitch®, LR4
    Packaging:
    Bag
    Product Status:
    Active
    Type:
    Polymeric
    Voltage - Max:
    20V
    Current - Hold (Ih) (Max):
    4.5 A
    Current - Trip (It):
    8.9 A
    Current - Max:
    100 A
    Time to Trip:
    5 s
    Resistance - Initial (Ri) (Min):
    11 mOhms
    Resistance - Post Trip (R1) (Max):
    28 mOhms
    Resistance - 25°C (Typ):
    -
    Operating Temperature:
    -40°C ~ 85°C
    Grade:
    -
    Qualification:
    -
    Ratings:
    -
    Mounting Type:
    User Defined
    Size / Dimension:
    0.984" L x 0.413" W (25.00mm x 10.50mm)
    Height - Seated (Max):
    -
    Thickness (Max):
    0.039" (1.00mm)
    Lead Spacing:
    -
    Datasheet:
    HONG KONG HAOCHIP TRADING CO., LIMITEDLR4-450F.pdf

    1. How to order LR4-450F on HONG KONG HAOCHIP TRADING CO., LIMITED?

    Currently, HONG KONG HAOCHIP TRADING CO., LIMITED only provide peer-to-peer order processing. While you submit the RFQ, our professional agent will contact you with the competitive prices in the global market, and our agent will prompt you to finish the order if you accept our offers.

    2. How does HONG KONG HAOCHIP TRADING CO., LIMITED guarantee that LR4-450F is from the original manufacturer or authorized agents?

    We have a professional and experienced quality control team to strictly verify and test the LR4-450F. All suppliers must pass our qualification reviews before they can publish their products including LR4-450F on HONG KONG HAOCHIP TRADING CO., LIMITED; we pay more attention to the channels and quality of LR4-450F products than any other customer. We strictly implement supplier audits, so you can purchase with confidence.

    3. Are the LR4-450F price and inventory displayed accurate?

    The price and inventory of LR4-450F fluctuates frequently and cannot be updated in time, it will be updated periodically within 24 hours. And, our quotation usually expires after 5 days.

    4. What forms of payment are accepted?

    Wire Transfer, PayPal, Alipay, Wechat, Credit Card, Western Union, MoneyGram, and Escrow are all acceptable.

    Warm Tips: Some orders in certain payment forms may require handling fee.

    5. How is the shipping arranged?

    Customers can choose industry-leading freight companies, including DHL, UPS, FedEx, TNT, and Registered Mail. Shipping insurance is also available.

    Once your order has been processed for shipment, our salesperson will send you an email advising you of the shipping status and tracking number.

    Warm Tips: It may take up to 24 hours for the carriers to display tracking information. Usually, express delivery takes 3-5 days, and registered mail takes 25-60 days.

    6. What is the process for return or replacement of LR4-450F?

    All goods will implement Pre-Shipment Inspection (PSI), selected at random from all batches of your order to do a systematic inspection before arranging the shipment. If there is something wrong with the LR4-450F we delivered, we will accept the replacement or return of the LR4-450F only when all of the below conditions are fulfilled:

    (1)Such as a deficiency in quantity, delivery of wrong items, and apparent external defects (breakage and rust, etc.), and we acknowledge such problems.

    (2)We are informed of the defect described above within 90 days after the delivery of LR4-450F.

    (3)The PartNo is unused and only in the original unpacked packaging.

    Two processes to return the products:

    (1)Inform us within 90 days

    (2)Obtain Requesting Return Authorizations

    7.How to contact us to get technical supports, such as LR4-450F pin diagram, LR4-450F datasheet?

    If you need any after-sales service, please do not hesitate to contact us.

    Image LR4-450F LR4-1300SSF LR4-380F LR4-600F LR4-550F
    Part Number LR4-450F LR4-1300SSF LR4-380F LR4-600F LR4-550F
    Manufacturer Littelfuse Inc. Littelfuse Inc. Littelfuse Inc. Littelfuse Inc. Littelfuse Inc.
    Package/Case Strap Strap Strap Strap Strap
    Series PolySwitch®, LR4 PolySwitch®, LR4 PolySwitch®, LR4 PolySwitch®, LR4 PolySwitch®, LR4
    Packaging Bag Bag Bag Bag Bag
    Product Status Active Active Active Active Active
    Type Polymeric Polymeric Polymeric Polymeric Polymeric
    Voltage - Max 20V 20V 15V 20V 20V
    Current - Hold (Ih) (Max) 4.5 A 13 A 3.8 A 6 A 5.5 A
    Current - Trip (It) 8.9 A 21.2 A 8.3 A 11.7 A 10.5 A
    Current - Max 100 A 100 A 100 A 100 A 100 A
    Time to Trip 5 s 10 s 5 s 5 s 5 s
    Resistance - Initial (Ri) (Min) 11 mOhms 3.5 mOhms 13 mOhms 7 mOhms 9 mOhms
    Resistance - Post Trip (R1) (Max) 28 mOhms 9 mOhms 37 mOhms 19 mOhms 22 mOhms
    Resistance - 25°C (Typ) - - - - -
    Operating Temperature -40°C ~ 85°C -40°C ~ 85°C -40°C ~ 85°C -40°C ~ 85°C -40°C ~ 85°C
    Grade - - - - -
    Qualification - - - - -
    Ratings - - - - -
    Mounting Type User Defined User Defined User Defined User Defined User Defined
    Size / Dimension 0.984" L x 0.413" W (25.00mm x 10.50mm) 2.520" L x 0.382" W (64.00mm x 9.70mm) 0.984" L x 0.283" W (25.00mm x 7.20mm) 0.984" L x 0.559" W (25.00mm x 14.20mm) 1.417" L x 0.283" W (36.00mm x 7.20mm)
    Height - Seated (Max) - - - - -
    Thickness (Max) 0.039" (1.00mm) - 0.039" (1.00mm) 0.039" (1.00mm) 0.039" (1.00mm)
    Lead Spacing - - - - -
    • LR4-450F
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    The following parts include "LR4-450F" in Silicon Labs LR4-450F.

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