Name: 250R120U
Brand: Littelfuse Inc.
SKU: 250R120U
Availability: InStock
Rating: 5 (95 reviews)

250R120U

For Reference Only

Part Number	250R120U
Manufacturer	Littelfuse Inc.
Description	PTC RESETBL 60V/250V .120A RAD
Datasheet	250R120U Datasheet 250R120U Specifications
Package	Radial, Disc
ECAD
In Stock	32,940 piece(s)
Unit Price	Request a Quote
Lead Time	Can Ship Immediately
Estimated Delivery Time	May 1 - May 6 (Choose Expedited Shipping)
Request for Quotation

Payment Methods
Delivery Services

Part Number # 250R120U (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 250R120U specifications/configurations, quotation, lead time, payment terms of further enquiries please have no hesitation to contact us. To process your RFQ, please add 250R120U with quantity into BOM. Heisener.com does NOT require any registration to request a quote of 250R120U.

250R120U Specifications

Manufacturer	Littelfuse Inc.
Category	Circuit Protection - PTC Resettable Fuses
Package	Radial, Disc
ECAD
Series	POLY-FUSE?, 250R
Type	Polymeric
Voltage - Max	60V (250V Int)
Current - Max	3A
Current - Hold (Ih) (Max)	120mA
Current - Trip (It)	240mA
Time to Trip	2.5s
Resistance - Initial (Ri) (Min)	4 Ohms
Resistance - Post Trip (R1) (Max)	16 Ohms
Resistance - 25°C (Typ)	-
Operating Temperature	-40°C ~ 85°C
Ratings	-
Mounting Type	Through Hole
Package / Case	Radial, Disc
Size / Dimension	0.256" L x 0.181" W (6.50mm x 4.60mm)
Height - Seated (Max)	0.433" (11.00mm)
Thickness (Max)	-
Lead Spacing	0.201" (5.10mm)

250R120U Datasheet

250R120U Reviews

Maur***** Henry

April 8, 2023

★ ★ ★ ★ ★

Purchasing from Heisener means the real part is obtained no worried for product quality.

Serg*****cevedo

March 15, 2023

★ ★ ★ ★ ★

The pricing is great. This is the first time I use Heisener Electronics but I will recommend it to my business partners.

Ange*****ayak

March 14, 2023

★ ★ ★ ★ ★

EXACTLY what I was looking for -- one piece with a low forward voltage drop to isolate some DC power sources. They work fantastic!

Giann*****inson

March 12, 2023

★ ★ ★ ★ ★

Awesome!!! great prices, easy to order and great service, thank you!

Isai*****erez

March 6, 2023

★ ★ ★ ★ ★

Heisener is awesome! Never any issues whatsoever. Product selection is good and delivery is on time.

Zari*****tuart

February 28, 2023

★ ★ ★ ★ ★

They work great exactly what I needed.

Ayli*****carty

February 21, 2023

★ ★ ★ ★ ★

Quality made product satisfied with my purchase. Thanks.

Jame*****Sekhon

February 19, 2023

★ ★ ★ ★ ★

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

Write a Review

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250R120U Packaging

250R120U FAQ

1. How to order 250R120U 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 250R120U is from the original manufacturer or authorized agents?

We have a professional and experienced quality control team to strictly verify and test the 250R120U. All suppliers must pass our qualification reviews before they can publish their products including 250R120U on Heisener; we pay more attention to the channels and quality of 250R120U products than any other customer. We strictly implement supplier audits, so you can purchase with confidence.
3. Are the 250R120U price and inventory displayed accurate?

The price and inventory of 250R120U 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 250R120U?

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 250R120U we delivered, we will accept the replacement or return of the 250R120U 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 250R120U.

(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 250R120U pin diagram, 250R120U datasheet?

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

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250R120U 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

250R120U

D# V99:2348_06419966

Littelfuse Inc

PTC Resettable Fuse 0.12A(hold) 0.24A(trip) 60VDC 3A 1W 1.5s 4Ohm Radial 6.5 X 3.8 X 11mm Bulk

RoHS: Compliant

Part Number

Manufacturer

Description

Stock

RS250-120U(CROSS: 250R120U)

OptiFuse

2500

Part Number

Manufacturer

Description

Stock

250R120U

Littelfuse Inc

FUSE, PTC RESETTABLE, 60V, 120mA, RADIAL, Holding Current:120mA, Tripping Current:240mA, Initial Resistance Max:16ohm, Operating Voltage:60VDC, PTC Fuse Case Style:Radial Leaded, Fuse Terminals:Radial Leaded, Interrupting Capacity:3A, RoHS Compliant: Yes

463

Part Number

Manufacturer

Description

Stock

250R120U

Littelfuse Inc

Polymeric 60V 240mA 2.5s 16ohms Through Hole,P=5.1mm PTC Resettable Fuses RoHS

525

Part Number	Manufacturer	Description	Stock
250R120UZR D# 18-250R120UZR-ND	Littelfuse Inc	POLYFUSE RADIAL	0
250R120U D# F1915-ND	Littelfuse Inc	PTC RESET FUSE 60V 120MA RADIAL	588
250R120UX1002 D# 18-250R120UX1002-ND	Littelfuse Inc	POLYFUSE RADIAL	0

Part Number

Manufacturer

Description

Stock

250R120U

D# 2752769

Littelfuse Inc

FUSE, RESETTABLE PTC, 60VDC, 0.12A, TH

RoHS: Compliant

Min Qty: 1

Container: Each

490

Part Number

Manufacturer

Description

Stock

250R120U

D# C142905

Littelfuse Inc

525

Part Number

Manufacturer

Description

Stock

250R120U

D# 05M2690

Littelfuse Inc

FUSE, PTC RESETTABLE, 60V, 120mA, RADIAL, Product Range:POLYFUSE 250R Series, Voltage Rating:60VDC, Holding Current:120mA, Tripping Current:240mA, Time to Trip:2.5s, Fuse Shape:Rectangular, Current Rating Max:3A, Lead Spacing:5.1mm RoHS Compliant: Yes

RoHS: Compliant

Min Qty: 500

Container: Bulk

Part Number

Manufacturer

Description

Stock

250R120U

D# NS-250R120U

Littelfuse Inc

OEM/CM ONLY

7608

Part Number

Manufacturer

Description

Stock

250R120U

Littelfuse Inc

OEM/CM ONLY

2016

Part Number

Manufacturer

Description

Stock

250R120

Littelfuse Inc

Resettable Fuses - PPTC 250V .12A-HD 3A MAX

pbFree: Pb-Free

250R120U

Littelfuse Inc

Resettable Fuses - PPTC 0.12A 250V RADIAL

pbFree: Pb-Free

Part Number

Manufacturer

Description

Stock

250R120U

Littelfuse Inc

shipping today

284696

Part Number

Manufacturer

Description

Stock

250R120U

D# 36326441

Littelfuse Inc

PTC Resettable Fuse 0.12A(hold) 0.24A(trip) 60VDC 3A 1W 1.5s 4Ohm Radial 6.5 X 3.8 X 11mm Bulk

RoHS: Compliant

Part Number

Manufacturer

Description

Stock

250R120U

D# 2752769

Littelfuse Inc

FUSE, RESETTABLE PTC, 60VDC, 0.12A, TH

RoHS: Compliant

Min Qty: 1

Container: Each

Quick Inquiry

250R120U

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