Name: RXEF040S-2
Brand: Littelfuse Inc.
SKU: RXEF040S-2
Availability: InStock
Rating: 5 (115 reviews)

RXEF040S-2

For Reference Only

Part Number	RXEF040S-2
Manufacturer	Littelfuse Inc.
Description	POLYSWITCH PTC RESET .40A
Datasheet	RXEF040S-2 Datasheet RXEF040S-2 Specifications
Package	Radial, Disc
ECAD
In Stock	94,680 piece(s)
Unit Price	Request a Quote
Lead Time	To be Confirmed
Estimated Delivery Time	Jun 12 - Jun 17 (Choose Expedited Shipping)
Request for Quotation

Payment Methods
Delivery Services

Part Number # RXEF040S-2 (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 RXEF040S-2 specifications/configurations, quotation, lead time, payment terms of further enquiries please have no hesitation to contact us. To process your RFQ, please add RXEF040S-2 with quantity into BOM. Heisener.com does NOT require any registration to request a quote of RXEF040S-2.

RXEF040S-2 Specifications

Manufacturer	Littelfuse Inc.
Category	Circuit Protection - PTC Resettable Fuses
Package	Radial, Disc
ECAD
Series	PolySwitch?, RXEF
Type	Polymeric
Voltage - Max	72V
Current - Max	40A
Current - Hold (Ih) (Max)	400mA
Current - Trip (It)	800mA
Time to Trip	3.8s
Resistance - Initial (Ri) (Min)	550 mOhms
Resistance - Post Trip (R1) (Max)	1.29 Ohms
Resistance - 25°C (Typ)	-
Operating Temperature	-40°C ~ 85°C
Ratings	-
Mounting Type	Through Hole
Package / Case	Radial, Disc
Size / Dimension	0.299" Dia x 0.118" W (7.60mm x 3.00mm)
Height - Seated (Max)	0.532" (13.50mm)
Thickness (Max)	-
Lead Spacing	0.199" (5.05mm)

RXEF040S-2 Datasheet

RXEF040S-2 Reviews

Dav*****Ayers

March 30, 2023

★ ★ ★ ★ ★

Excellent shopping cart process, various of products for selection and order fulfillment a good service quality. I rely on them heavily.

Ton*****oss

March 28, 2023

★ ★ ★ ★ ★

Went well this time Now have the IC and very pleased.

Eloi*****erma

March 27, 2023

★ ★ ★ ★ ★

Wish there were some documentation but I guess if you're buying you kinda should know.

Kiar*****well

March 24, 2023

★ ★ ★ ★ ★

Great Seller, Great Item, the quality is great, Highly Recommended.

Ridg*****mmen

March 13, 2023

★ ★ ★ ★ ★

So easy to do business with Heisener and they generally have stock on the items we need.

Gi*****Dunn

March 10, 2023

★ ★ ★ ★ ★

On time and as described, fast delivery. Would definitely buy again. Thx.

Evere*****varado

February 22, 2023

★ ★ ★ ★ ★

There are cheaper ones out there but this one really take the guessing game out.

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RXEF040S-2 Packaging

RXEF040S-2 FAQ

1. How to order RXEF040S-2 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 RXEF040S-2 is from the original manufacturer or authorized agents?

We have a professional and experienced quality control team to strictly verify and test the RXEF040S-2. All suppliers must pass our qualification reviews before they can publish their products including RXEF040S-2 on Heisener; we pay more attention to the channels and quality of RXEF040S-2 products than any other customer. We strictly implement supplier audits, so you can purchase with confidence.
3. Are the RXEF040S-2 price and inventory displayed accurate?

The price and inventory of RXEF040S-2 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 RXEF040S-2?

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 RXEF040S-2 we delivered, we will accept the replacement or return of the RXEF040S-2 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 RXEF040S-2.

(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 RXEF040S-2 pin diagram, RXEF040S-2 datasheet?

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

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RXEF040S-2 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.

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RXEF040S-2

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