Name: LR4-170UF
Brand: Littelfuse Inc.
SKU: LR4-170UF
Availability: InStock
Rating: 5 (136 reviews)

LR4-170UF

For Reference Only

Part Number	LR4-170UF
Manufacturer	Littelfuse Inc.
Description	POLYSWITCH PTC RESET 1.7A STRAP
Datasheet	LR4-170UF Datasheet LR4-170UF Specifications
Package	Strap
ECAD
In Stock	4,032 piece(s)
Unit Price	Request a Quote
Lead Time	To be Confirmed
Estimated Delivery Time	May 17 - May 22 (Choose Expedited Shipping)
Request for Quotation

Payment Methods
Delivery Services

Part Number # LR4-170UF (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 LR4-170UF specifications/configurations, quotation, lead time, payment terms of further enquiries please have no hesitation to contact us. To process your RFQ, please add LR4-170UF with quantity into BOM. Heisener.com does NOT require any registration to request a quote of LR4-170UF.

LR4-170UF Specifications

Manufacturer	Littelfuse Inc.
Category	Circuit Protection - PTC Resettable Fuses
Package	Strap
ECAD
Series	PolySwitch?
Type	Polymeric
Voltage - Max	15V
Current - Max	100A
Current - Hold (Ih) (Max)	1.7A
Current - Trip (It)	3.4A
Time to Trip	5s
Resistance - Initial (Ri) (Min)	44 mOhms
Resistance - Post Trip (R1) (Max)	114 mOhms
Resistance - 25°C (Typ)	-
Operating Temperature	-
Ratings	-
Mounting Type	User Defined
Package / Case	Strap
Size / Dimension	0.787" L x 0.156" W (20.00mm x 3.95mm)
Height - Seated (Max)	-
Thickness (Max)	0.028" (0.70mm)
Lead Spacing	-

LR4-170UF Datasheet

LR4-170UF Reviews

Coo***** Ross

April 3, 2023

★ ★ ★ ★ ★

No complaints. Works perfectly every single one of them! great quality! No bent pins either!

Maximi*****Hinton

April 2, 2023

★ ★ ★ ★ ★

EXACTLY what I was looking for -- one piece with a low forward voltage drop to isolate some DC power sources. They work fantastic!

Mya*****oss

March 30, 2023

★ ★ ★ ★ ★

What I like was it was shipped fast and no damage.

Miche*****hompson

March 29, 2023

★ ★ ★ ★ ★

To be honest, I think you are doing an outstanding job.

Damo*****bson

March 19, 2023

★ ★ ★ ★ ★

I always enjoy shopping with Heisener, never disappoint me, most dependable, and no long waiting for deliveries.

Elliot*****nzuela

March 17, 2023

★ ★ ★ ★ ★

I've never had a problem with Heisener. Packages arrive on time and in great condition.

Sama***** Myers

March 12, 2023

★ ★ ★ ★ ★

Worked as advertised and good price. Can you imagine buying these at local store it would cost way to much.

Aro*****are

February 26, 2023

★ ★ ★ ★ ★

Great dealing with you Guys. Thanks for a very prompt delivery.

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LR4-170UF Packaging

LR4-170UF FAQ

1. How to order LR4-170UF 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 LR4-170UF is from the original manufacturer or authorized agents?

We have a professional and experienced quality control team to strictly verify and test the LR4-170UF. All suppliers must pass our qualification reviews before they can publish their products including LR4-170UF on Heisener; we pay more attention to the channels and quality of LR4-170UF products than any other customer. We strictly implement supplier audits, so you can purchase with confidence.
3. Are the LR4-170UF price and inventory displayed accurate?

The price and inventory of LR4-170UF 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 LR4-170UF?

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 LR4-170UF we delivered, we will accept the replacement or return of the LR4-170UF 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 LR4-170UF.

(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 LR4-170UF pin diagram, LR4-170UF datasheet?

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

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LR4-170UF 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

LR4-170UF

TE Connectivity

RESET,15V,100A IMAX,1.7A IHOLD,3.4A ITRIP,AXIAL,BULK,HAZMAT - Bulk

Part Number

Manufacturer

Description

Stock

LR4-170UF

D# LR4-170UF-ND

Littelfuse Inc

PTC RESET FUSE 15V 1.7A STRAP

Part Number

Manufacturer

Description

Stock

LR4-170UF

D# NS-LR4-170UF

TE Connectivity

OEM/CM ONLY

9586

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LR4-170UF

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