Name: RUEF400K-2
Brand: Littelfuse Inc.
SKU: RUEF400K-2
Availability: InStock
Rating: 5 (147 reviews)

RUEF400K-2

For Reference Only

Part Number	RUEF400K-2
Manufacturer	Littelfuse Inc.
Description	POLYSWITCH PTC RESET 4A
Datasheet	RUEF400K-2 Datasheet RUEF400K-2 Specifications
Package	Radial, Disc
ECAD
In Stock	5,724 piece(s)
Unit Price	Request a Quote
Lead Time	To be Confirmed
Estimated Delivery Time	May 4 - May 9 (Choose Expedited Shipping)
Request for Quotation

Payment Methods
Delivery Services

Part Number # RUEF400K-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 RUEF400K-2 specifications/configurations, quotation, lead time, payment terms of further enquiries please have no hesitation to contact us. To process your RFQ, please add RUEF400K-2 with quantity into BOM. Heisener.com does NOT require any registration to request a quote of RUEF400K-2.

RUEF400K-2 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)	0.839" (21.30mm)
Thickness (Max)	-
Lead Spacing	0.199" (5.05mm)

RUEF400K-2 Datasheet

RUEF400K-2 Reviews

Trin*****Samra

March 31, 2023

★ ★ ★ ★ ★

Fantastic quality products with fair and prompt shipping. Would save much time crossing all the features. Thank you for all your effort.

Scarle*****ellano

March 22, 2023

★ ★ ★ ★ ★

The prices are very competitive, I've had a few transactions lately and all were smooth as glass. I'm a very satisfied customer!

Noa*****lis

February 20, 2023

★ ★ ★ ★ ★

Used it on my system it works perfect as I need.

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RUEF400K-2 Packaging

RUEF400K-2 FAQ

1. How to order RUEF400K-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 RUEF400K-2 is from the original manufacturer or authorized agents?

We have a professional and experienced quality control team to strictly verify and test the RUEF400K-2. All suppliers must pass our qualification reviews before they can publish their products including RUEF400K-2 on Heisener; we pay more attention to the channels and quality of RUEF400K-2 products than any other customer. We strictly implement supplier audits, so you can purchase with confidence.
3. Are the RUEF400K-2 price and inventory displayed accurate?

The price and inventory of RUEF400K-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 RUEF400K-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 RUEF400K-2 we delivered, we will accept the replacement or return of the RUEF400K-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 RUEF400K-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 RUEF400K-2 pin diagram, RUEF400K-2 datasheet?

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

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RUEF400K-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.

Global Supply Chains - Reliable and Authorized Distributor Resources

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D# V72:2272_16255971

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D# 36306320

Littelfuse Inc

PTC Resettable Fuse 4A(hold) 8A(trip) 30VAC/30VDC 100A 2.5W 12.7s 0.01Ohm Radial 14 X 3 X 19mm T/R

RoHS: Compliant

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RUEF400K-2

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