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Yes. Contact our team for datasheets, package information, product specifications, alternative parts and sourcing support related to LR4-190XF.

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Contact our sourcing team for current stock, batch information, lead time, technical documents, alternative parts and volume pricing.

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Littelfuse Inc. RFQ AVAILABLE

LR4-190XF

PTC RESET FUSE 15V 1.9A STRAP

Part Number: LR4-190XF

Manufacturer: Littelfuse Inc.

Category: PTC Resettable Fuses

Package: Strap

Datasheet:: LR4-190XF.pdf

Description: PTC RESET FUSE 15V 1.9A STRAP

Select Quantity Stock: 6,877

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TECHNICAL RESOURCES

LR4-190XF Technical Information

Specifications
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Specifications

Product Attribute: Attribute Value

Part Number: LR4-190XF

Manufacturer: Littelfuse Inc.

Package: Strap

Package/Case: Strap

Series: PolySwitch®, LR4

Packaging: Bag

Product Status: Active

Type: Polymeric

Voltage - Max: 15V

Current - Hold (Ih) (Max): 1.9 A

Current - Trip (It): 3.9 A

Current - Max: 100 A

Time to Trip: 5 s

Resistance - Initial (Ri) (Min): 39 mOhms

Resistance - Post Trip (R1) (Max): 102 mOhms

Resistance - 25°C (Typ): -

Operating Temperature: -40°C ~ 85°C

Grade: -

Qualification: -

Ratings: -

Mounting Type: User Defined

Size / Dimension: 0.648" L x 0.283" W (16.45mm x 7.20mm)

Height - Seated (Max): -

Thickness (Max): 0.039" (1.00mm)

Lead Spacing: -

Frequently Asked Questions

1. How can I order LR4-190XF from Haishengye Electronics?

Submit an RFQ directly on this page with your required quantity, target price and delivery requirements. Our sales team will review the request and provide a quotation.

2. How does Haishengye Electronics verify the quality of LR4-190XF?

We work with qualified suppliers and review sourcing channels, traceability, packaging and product condition before shipment.

3. Are the stock and price of LR4-190XF updated in real time?

Electronic component inventory and prices may change frequently. Displayed values are references, and final stock and pricing will be confirmed in the quotation.

4. Which payment methods are supported?

Wire Transfer, PayPal, Alipay, WeChat, Credit Card, Western Union, MoneyGram and Escrow may be supported depending on the order and destination.

5. How is international shipping arranged?

International shipping may be arranged through DHL, UPS, FedEx, TNT and other logistics channels. Tracking information will be provided after shipment.

6. What is the return or replacement process for LR4-190XF?

Contact our sales team within the agreed period if there are quantity differences, incorrect items or clear external defects. Products should remain unused and in their original packaging.

7. Can I request technical support for LR4-190XF?

Yes. Contact our team for datasheets, package details, product specifications, alternative parts and sourcing assistance.

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Packaging and Shipping Protection

Step 1 Product Inspection

Step 2 Casing & Dry Pipe

Step 3 Anti-static Bags

Step 4 Inner Carton

Step 5 Shipping Label

Step 6 International Delivery

Packaging may be adjusted according to product type, quantity, moisture sensitivity and destination requirements.

LR4-190XF Procurement and Technical Support

LR4-190XF is manufactured by Littelfuse Inc.. This page provides purchasing information including manufacturer, category, package, datasheet, stock reference, price reference and product specifications.

Haishengye Electronics supports customers sourcing LR4-190XF and related electronic components for prototype development, maintenance, NPI, production preparation and one-stop BOM procurement.

Submit an RFQ to request the latest stock, price, lead time, batch information, alternative parts, package confirmation or technical documents for LR4-190XF.

Part Number: LR4-190XF

Manufacturer: Littelfuse Inc.

Package: Strap

Category: PTC Resettable Fuses

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Payment Method

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Transaction fees are charged according to the selected bank or payment system rules.

Shipping Method

DHL

FedEx

UPS

TNT

Shipped From

Shenzhen warehouse

Dispatch Time

Usually 1–3 business days after confirmation

Lead Time

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