Name: RUEF400-1
Brand: Littelfuse Inc.
SKU: RUEF400-1
Availability: InStock
Rating: 5 (118 reviews)

RUEF400-1

For Reference Only

Part Number	RUEF400-1
Manufacturer	Littelfuse Inc.
Description	POLYSWITCH PTC RESET 4A
Datasheet	RUEF400-1 Datasheet RUEF400-1 Specifications
Package	Radial, Disc
ECAD
In Stock	51,630 piece(s)
Unit Price	Request a Quote
Lead Time	To be Confirmed
Estimated Delivery Time	May 14 - May 19 (Choose Expedited Shipping)
Request for Quotation

Payment Methods
Delivery Services

Part Number # RUEF400-1 (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 RUEF400-1 specifications/configurations, quotation, lead time, payment terms of further enquiries please have no hesitation to contact us. To process your RFQ, please add RUEF400-1 with quantity into BOM. Heisener.com does NOT require any registration to request a quote of RUEF400-1.

RUEF400-1 Specifications

Manufacturer	Littelfuse Inc.
Category	Circuit Protection - PTC Resettable Fuses
Package	Radial, Disc
ECAD
Series	PolySwitch?, RUEF
Type	Polymeric
Voltage - Max	30V
Current - Max	100A
Current - Hold (Ih) (Max)	4A
Current - Trip (It)	8A
Time to Trip	12.7s
Resistance - Initial (Ri) (Min)	10 mOhms
Resistance - Post Trip (R1) (Max)	50 mOhms
Resistance - 25°C (Typ)	-
Operating Temperature	-40°C ~ 85°C
Ratings	-
Mounting Type	Through Hole
Package / Case	Radial, Disc
Size / Dimension	0.551" L x 0.118" W (14.00mm x 3.00mm)
Height - Seated (Max)	0.760" (19.30mm)
Thickness (Max)	-
Lead Spacing	0.199" (5.05mm)

RUEF400-1 Datasheet

RUEF400-1 Reviews

Brad*****Ghosh

April 9, 2023

★ ★ ★ ★ ★

Super easy to replace and labelled terminals made it a quick replacement.

Anaya *****ishnan

March 4, 2023

★ ★ ★ ★ ★

Not messy and easy to handle. I've used these professionally and for my self, and they never failed me.

Isab*****elix

March 2, 2023

★ ★ ★ ★ ★

These little guys worked perfect for my wiring project. Reliable, good quality.

Blai*****ruong

March 1, 2023

★ ★ ★ ★ ★

The products are good, the amount is correct. The values are correct.

Mae*****Scott

February 28, 2023

★ ★ ★ ★ ★

I am very happy with how Heisener do business. Will definitely buy their products in the future as I have confidence in their customer service.

Fion*****dilla

February 26, 2023

★ ★ ★ ★ ★

Those components are in stock shipped fast and arrive promptly. Really Fast!

Melvi*****vantes

February 26, 2023

★ ★ ★ ★ ★

Boundless range of products, ease of search and fast delivery continue to impress. Heisener is always my first stop for electronic components.

Jael*****Cherry

February 18, 2023

★ ★ ★ ★ ★

Quality electronic components plus fast response.Thank you.

Write a Review

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RUEF400-1 Packaging

RUEF400-1 FAQ

1. How to order RUEF400-1 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 RUEF400-1 is from the original manufacturer or authorized agents?

We have a professional and experienced quality control team to strictly verify and test the RUEF400-1. All suppliers must pass our qualification reviews before they can publish their products including RUEF400-1 on Heisener; we pay more attention to the channels and quality of RUEF400-1 products than any other customer. We strictly implement supplier audits, so you can purchase with confidence.
3. Are the RUEF400-1 price and inventory displayed accurate?

The price and inventory of RUEF400-1 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 RUEF400-1?

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 RUEF400-1 we delivered, we will accept the replacement or return of the RUEF400-1 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 RUEF400-1.

(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 RUEF400-1 pin diagram, RUEF400-1 datasheet?

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

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RUEF400-1 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

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RUEF400-1

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