Name: 20LR450U
Brand: Littelfuse Inc.
SKU: 20LR450U
Availability: InStock
Rating: 5 (180 reviews)

20LR450U

For Reference Only

Part Number	20LR450U
Manufacturer	Littelfuse Inc.
Description	PTC 20V POLYFUSE STRAP TYPE 4.5A
Datasheet	20LR450U Datasheet 20LR450U Specifications
Package	Strap
ECAD
In Stock	7,344 piece(s)
Unit Price	Request a Quote
Lead Time	To be Confirmed
Estimated Delivery Time	May 3 - May 8 (Choose Expedited Shipping)
Request for Quotation

Payment Methods
Delivery Services

Part Number # 20LR450U (PTC Resettable Fuses) is manufactured by Littelfuse Inc. and distributed by Heisener. Being one of the leading electronics distributors, we carry many kinds of electronic components from some of the world’s top class manufacturers. Their quality is guaranteed by its stringent quality control to meet all required standards.

For 20LR450U specifications/configurations, quotation, lead time, payment terms of further enquiries please have no hesitation to contact us. To process your RFQ, please add 20LR450U with quantity into BOM. Heisener.com does NOT require any registration to request a quote of 20LR450U.

20LR450U Specifications

Manufacturer	Littelfuse Inc.
Category	Circuit Protection - PTC Resettable Fuses
Package	Strap
ECAD
Series	POLY-FUSE?, LR
Type	Polymeric
Voltage - Max	20V
Current - Max	100A
Current - Hold (Ih) (Max)	4.5A
Current - Trip (It)	8.9A
Time to Trip	5s
Resistance - Initial (Ri) (Min)	11 mOhms
Resistance - Post Trip (R1) (Max)	28 mOhms
Resistance - 25°C (Typ)	-
Operating Temperature	-40°C ~ 85°C
Ratings	-
Mounting Type	User Defined
Package / Case	Strap
Size / Dimension	0.984" L x 0.402" W (25.00mm x 10.20mm)
Height - Seated (Max)	-
Thickness (Max)	0.039" (1.00mm)
Lead Spacing	-

20LR450U Datasheet

20LR450U Reviews

Bodh*****ooks

April 6, 2023

★ ★ ★ ★ ★

They are components and they work. Wasn’t expecting anything more or anything less.

Lawre*****ameron

March 27, 2023

★ ★ ★ ★ ★

Very professional sellers, they have adopted MSL packaging for different parts.

Gre*****y Lin

March 27, 2023

★ ★ ★ ★ ★

Heisener has been the best in this industry for many years. Very quick and easy if you know what you are looking for. if you don't know exactly what you are looking for, you are going to be lost.

Rosal*****lacios

March 24, 2023

★ ★ ★ ★ ★

So far all the items still work. I'm using these for some home made solar panels and they're doing great.

Natha*****Sampson

March 13, 2023

★ ★ ★ ★ ★

Easier, quicker and cheaper to buy this whole assortment than to get just the few I needed from an electronics store.

Roc*****Tak

March 6, 2023

★ ★ ★ ★ ★

very pleased with item, thank you.

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20LR450U Packaging

20LR450U FAQ

1. How to order 20LR450U on Heisener?

Currently, Heisener 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 Heisener guarantee that 20LR450U is from the original manufacturer or authorized agents?

We have a professional and experienced quality control team to strictly verify and test the 20LR450U. All suppliers must pass our qualification reviews before they can publish their products including 20LR450U on Heisener; we pay more attention to the channels and quality of 20LR450U products than any other customer. We strictly implement supplier audits, so you can purchase with confidence.
3. Are the 20LR450U price and inventory displayed accurate?

The price and inventory of 20LR450U 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 20LR450U?

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 20LR450U we delivered, we will accept the replacement or return of the 20LR450U 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 20LR450U.

(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 20LR450U pin diagram, 20LR450U datasheet?

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

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20LR450U Guarantees

Service Guarantees

We guarantee 100% customer satisfaction.

Our experienced sales team and tech support team back our services to satisfy all our customers.

Quality Guarantees

We provide 90 days warranty.

If the items you received were not in perfect quality, we would be responsible for your refund or replacement, but the items must be returned in their original condition.

Global Supply Chains - Reliable and Authorized Distributor Resources

Part Number

Manufacturer

Description

Stock

20LR450U

Littelfuse Inc

PTC 20V POLYFUSE STRAP TYPE 4.5A

Part Number

Manufacturer

Description

Stock

20LR450U

D# 20LR450U-ND

Littelfuse Inc

PTC RESET FUSE 20V 4.5A STRAP

Part Number

Manufacturer

Description

Stock

20LR450U

D# NS-20LR450U

Littelfuse Inc

OEM/CM ONLY

9695

Quick Inquiry

20LR450U

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