Name: RUEF250U-2
Brand: Littelfuse Inc.
SKU: RUEF250U-2
Availability: InStock
Rating: 5 (108 reviews)

RUEF250U-2

For Reference Only

Part Number	RUEF250U-2
Manufacturer	Littelfuse Inc.
Description	POLYSWITCH RUE SERIES 2.50A
Datasheet	RUEF250U-2 Datasheet RUEF250U-2 Specifications
Package	Radial, Disc
ECAD
In Stock	103,452 piece(s)
Unit Price	Request a Quote
Lead Time	To be Confirmed
Estimated Delivery Time	Jun 19 - Jun 24 (Choose Expedited Shipping)
Request for Quotation

Payment Methods
Delivery Services

Part Number # RUEF250U-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 RUEF250U-2 specifications/configurations, quotation, lead time, payment terms of further enquiries please have no hesitation to contact us. To process your RFQ, please add RUEF250U-2 with quantity into BOM. Heisener.com does NOT require any registration to request a quote of RUEF250U-2.

RUEF250U-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)	2.5A
Current - Trip (It)	5A
Time to Trip	10.3s
Resistance - Initial (Ri) (Min)	20 mOhms
Resistance - Post Trip (R1) (Max)	70 mOhms
Resistance - 25°C (Typ)	-
Operating Temperature	-40°C ~ 85°C
Ratings	-
Mounting Type	Through Hole
Package / Case	Radial, Disc
Size / Dimension	0.449" L x 0.118" W (11.40mm x 3.00mm)
Height - Seated (Max)	0.720" (18.30mm)
Thickness (Max)	-
Lead Spacing	0.199" (5.05mm)

RUEF250U-2 Datasheet

RUEF250U-2 Reviews

Tega*****lmes

April 1, 2023

★ ★ ★ ★ ★

Very Quick,no problems - Thank you.

Ras***** Soni

March 17, 2023

★ ★ ★ ★ ★

Didn’t need so many but it was cheap. I did have to solder extra wire on each end to make fit better but exactly you need of your looking for this particular mod.

Bexle*****nington

March 13, 2023

★ ★ ★ ★ ★

Used for a solar project. Working as hoped. I'd buy again.

Angi*****rayan

March 12, 2023

★ ★ ★ ★ ★

I have used 2 of the 10 units so far and they work fine.

Tat*****enson

March 7, 2023

★ ★ ★ ★ ★

Awesome selection for all electronic parts here! Great service when it is needed too! Prices are competitive as well. Thank you!

Harr*****illy

March 4, 2023

★ ★ ★ ★ ★

Good！ quick and convenient delivery. product tracking with good advice.

Josia*****uvilla

February 27, 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.

Jeffe*****rrett

February 23, 2023

★ ★ ★ ★ ★

Very easy to find and order what I wanted. Being able to add multiple items in various quantities from an online catalog page with a simple click.

Anth*****Saha

February 23, 2023

★ ★ ★ ★ ★

These were delivered very quickly and are fantastic selection of products.

Write a Review

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RUEF250U-2 Packaging

RUEF250U-2 FAQ

1. How to order RUEF250U-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 RUEF250U-2 is from the original manufacturer or authorized agents?

We have a professional and experienced quality control team to strictly verify and test the RUEF250U-2. All suppliers must pass our qualification reviews before they can publish their products including RUEF250U-2 on Heisener; we pay more attention to the channels and quality of RUEF250U-2 products than any other customer. We strictly implement supplier audits, so you can purchase with confidence.
3. Are the RUEF250U-2 price and inventory displayed accurate?

The price and inventory of RUEF250U-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 RUEF250U-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 RUEF250U-2 we delivered, we will accept the replacement or return of the RUEF250U-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 RUEF250U-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 RUEF250U-2 pin diagram, RUEF250U-2 datasheet?

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

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RUEF250U-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

Part Number

Manufacturer

Description

Stock

RUEF250U-2

D# V72:2272_16240118

Littelfuse Inc

PTC Resettable Fuse 2.5A(hold) 5A(trip) 30VAC/30VDC 100A 1.2W 10.3s 0.02Ohm Radial 11.4 X 3 X 18.3mm T/R

RoHS: Compliant

Part Number

Manufacturer

Description

Stock

RUEF250U-2

D# RUEF250U-2

TE Connectivity

PTC Resettable Fuse 100A 5s 30V 0.031 Ohm 2-Pin Radial - Tape and Reel (Alt: RUEF250U-2)

Part Number

Manufacturer

Description

Stock

RUEF250U-2

TE Connectivity

RESETTABLE FUSE, PTC, 30V, 2.5A, RADIAL, Holding Current:2.5A, Tripping Current:5A, Initial Resistance Max:0.04ohm, Operating Voltage:30VDC, PTC Fuse Case Style:Radial Leaded, Initial Resistance Min:0.02ohm, Packaging:Cut Tape , RoHS Compliant: Yes

376

Part Number

Manufacturer

Description

Stock

RUEF250U-2

D# RUEF250U-2TR-ND

Littelfuse Inc

PTC RESET FUSE 30V 2.5A RADIAL

Part Number

Manufacturer

Description

Stock

RUEF250U-2

D# 2078268

Littelfuse Inc

RESETTABLE FUSE, PTC, 30V, 2.5A, RADIAL

RoHS: Compliant

Min Qty: 3000

Container: Cut Tape

Part Number

Manufacturer

Description

Stock

RUEF250U-2

Littelfuse Inc

RoHS: Compliant

pbFree: Yes

Part Number

Manufacturer

Description

Stock

RUEF250U-2

D# NS-RUEF250U-2

TE Connectivity

OEM/CM ONLY

30304

Part Number

Manufacturer

Description

Stock

RUEF250U2

TE Connectivity

OEM/CM ONLY

13640

Part Number

Manufacturer

Description

Stock

RF0057-000

Littelfuse Inc

Resettable Fuses - PPTC 30V 2.5A-HD 40A MAX (R)

pbFree: Pb-Free

RUEF250U-2

Littelfuse Inc

Resettable Fuses - PPTC 2.5A 30V 40A Imax Uncoated

pbFree: Pb-Free

Part Number

Manufacturer

Description

Stock

RUEF250U-2

D# 16508241

TE Connectivity

PTC Resettable Fuse 2.5A(hold) 5A(trip) 30VAC/30VDC 100A 1.2W 10.3s 0.02Ohm Radial 11.4 X 3 X 18.3mm T/R

RoHS: Compliant

Part Number

Manufacturer

Description

Stock

RUEF250U-2

D# 2078268

Littelfuse Inc

RESETTABLE FUSE, PTC, 30V, 2.5A, RADIAL

RoHS: Compliant

Min Qty: 3000

Container: Cut Tape

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RUEF250U-2

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