Name: LR4-730F
Brand: Littelfuse Inc.
SKU: LR4-730F
Availability: InStock
Rating: 5 (75 reviews)

LR4-730F

For Reference Only

Part Number	LR4-730F
Manufacturer	Littelfuse Inc.
Description	POLYSWITCH PTC RESET 7.3A STRAP
Datasheet	LR4-730F Datasheet LR4-730F Specifications
Package	Strap
ECAD
In Stock	30,660 piece(s)
Unit Price	Request a Quote
Lead Time	Can Ship Immediately
Estimated Delivery Time	May 3 - May 8 (Choose Expedited Shipping)
Request for Quotation

Payment Methods
Delivery Services

Part Number # LR4-730F (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 LR4-730F specifications/configurations, quotation, lead time, payment terms of further enquiries please have no hesitation to contact us. To process your RFQ, please add LR4-730F with quantity into BOM. Heisener.com does NOT require any registration to request a quote of LR4-730F.

LR4-730F Specifications

Manufacturer	Littelfuse Inc.
Category	Circuit Protection - PTC Resettable Fuses
Package	Strap
ECAD
Series	PolySwitch?, LR4
Type	Polymeric
Voltage - Max	20V
Current - Max	100A
Current - Hold (Ih) (Max)	7.3A
Current - Trip (It)	14.1A
Time to Trip	5s
Resistance - Initial (Ri) (Min)	6 mOhms
Resistance - Post Trip (R1) (Max)	15 mOhms
Resistance - 25°C (Typ)	-
Operating Temperature	-40°C ~ 85°C
Ratings	-
Mounting Type	User Defined
Package / Case	Strap
Size / Dimension	1.106" L x 0.559" W (28.10mm x 14.20mm)
Height - Seated (Max)	-
Thickness (Max)	0.039" (1.00mm)
Lead Spacing	-

LR4-730F Datasheet

LR4-730F Reviews

Braya*****annan

April 9, 2023

★ ★ ★ ★ ★

Replaced a diode in my distortion pedal. Sounds different (lower growl) but in a good way...LOL!

Amy*****uglas

April 5, 2023

★ ★ ★ ★ ★

Purchased this in May and didn't use it until last week. worked and all was good.

Make*****Ratti

March 24, 2023

★ ★ ★ ★ ★

Sure appreciate your service high standard, expertise and skills. Thanks Much!!!

Kimb*****amsey

March 4, 2023

★ ★ ★ ★ ★

Arrived promptly, carefully packaged, as described, many thanks

Elor*****etty

February 22, 2023

★ ★ ★ ★ ★

This help solved the extra electricity flowing back.

Kama*****olina

February 21, 2023

★ ★ ★ ★ ★

I have never been experienced anything wrong with my order, the logistic has always get out the same day, and the items are always well packaged.

Write a Review

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LR4-730F Packaging

LR4-730F FAQ

1. How to order LR4-730F 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 LR4-730F is from the original manufacturer or authorized agents?

We have a professional and experienced quality control team to strictly verify and test the LR4-730F. All suppliers must pass our qualification reviews before they can publish their products including LR4-730F on Heisener; we pay more attention to the channels and quality of LR4-730F products than any other customer. We strictly implement supplier audits, so you can purchase with confidence.
3. Are the LR4-730F price and inventory displayed accurate?

The price and inventory of LR4-730F 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 LR4-730F?

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 LR4-730F we delivered, we will accept the replacement or return of the LR4-730F 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 LR4-730F.

(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 LR4-730F pin diagram, LR4-730F datasheet?

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

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LR4-730F 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

LR4-730F

D# V36:1790_16264249

Littelfuse Inc

PTC Resettable Fuse 7.3A(hold) 14.1A(trip) 20V 100A 3.3W 5s 0.006Ohm SMD Solder Pad 29.1 X 14.5 X 1mm Bag

RoHS: Compliant

Part Number

Manufacturer

Description

Stock

RALR-730(CROSS: LR4-730F)

OptiFuse

5000

Part Number

Manufacturer

Description

Stock

LR4-730F

TE Connectivity

FUSE, PTC RESET, 20V, 7.3A, STRAP, Holding Current:7.3A, Tripping Current:14.1A, Initial Resistance Max:0.012ohm, Operating Voltage:20V, PTC Fuse Case Style:Strap, External Depth:1mm, Initial Resistance Min:0.006ohm, Length:29.1mm , RoHS Compliant: Yes

6690

Part Number

Manufacturer

Description

Stock

LR4-730F

D# C1S425201063625

Littelfuse Inc

PTC Resettable Fuse 7.3A(hold) 14.1A(trip) 20V 100A 3.3W 5s 0.006Ohm SMD Solder Pad 29.1 X 14.5 X 1mm Bag

RoHS: Not Compliant

pbFree: No

Min Qty: 1

Container: Bulk

470

Part Number

Manufacturer

Description

Stock

LR4-730F

D# LR4-730F-ND

Littelfuse Inc

PTC RESET FUSE 20V 7.3A STRAP

9909

Part Number

Manufacturer

Description

Stock

LR4-730F

D# 650-LR4-730F

Littelfuse Inc

Resettable Fuses - PPTC 7.3A 20V 100A Imax

RoHS: Compliant

249

Part Number

Manufacturer

Description

Stock

LR4-730F

D# 29K7744

Littelfuse Inc

FUSE, PTC RESET, 20V, 7.3A, STRAP, Product Range:PolySwitch LR4 Series, Voltage Rating:20VDC, Holding Current:7.3A, Tripping Current:14.1A, Time to Trip:5s, Current Rating Max:100A, Operating Temperature Min:-, External Depth:1mm RoHS Compliant: Yes

RoHS: Compliant

Min Qty: 10000

Container: Bulk

Part Number

Manufacturer

Description

Stock

LR4730F

TE Connectivity

OEM/CM ONLY

11742

Part Number

Manufacturer

Description

Stock

LR4-730F

Littelfuse Inc

Resettable Fuses - PPTC 7.3A 20V 100A Imax

pbFree: Pb-Free

RF1547-000

Littelfuse Inc

Resettable Fuses - PPTC 20V 7.3A-HD 100A MAX

pbFree: Pb-Free

Part Number

Manufacturer

Description

Stock

LR4-730F

D# 45798453

Littelfuse Inc

PTC Resettable Fuse 7.3A(hold) 14.1A(trip) 20V 100A 3.3W 5s 0.006Ohm SMD Solder Pad 29.1 X 14.5 X 1mm Bag

RoHS: Compliant

Part Number

Manufacturer

Description

Stock

LR4-730F

D# 1345910

TE Connectivity

POLYSWITCH, STRAP, 7.3A

RoHS: Compliant

Min Qty: 5

Container: Each

Quick Inquiry

LR4-730F

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