View All

Please refer to the English Version as our Official Version.Return

Europe
France(Français) Germany(Deutsch) Italy(Italia) Russian(русский) Poland(polski) Czech(Čeština) Luxembourg(Lëtzebuergesch) Netherlands(Nederland) Iceland(íslenska) Hungarian(Magyarország) Spain(español) Portugal(Português) Turkey(Türk dili) Bulgaria(Български език) Ukraine(Україна) Greece(Ελλάδα) Israel(עִבְרִית) Sweden(Svenska) Finland(Svenska) Finland(Suomi) Romania(românesc) Moldova(românesc) Slovakia(Slovenská) Denmark(Dansk) Slovenia(Slovenija) Slovenia(Hrvatska) Croatia(Hrvatska) Serbia(Hrvatska) Montenegro(Hrvatska) Bosnia and Herzegovina(Hrvatska) Lithuania(lietuvių) Spain(Português) Switzerland(Deutsch) United Kingdom(English)
Asia/Pacific
Japan(日本語) Korea(한국의) Thailand(ภาษาไทย) Malaysia(Melayu) Singapore(Melayu) Vietnam(Tiếng Việt) Philippines(Pilipino)
Africa, India and Middle East
United Arab Emirates(العربية) Iran(فارسی) Tajikistan(فارسی) India(हिंदी) Madagascar(malaɡasʲ)
South America / Oceania
New Zealand(Maori) Brazil(Português) Angola(Português) Mozambique(Português)
North America
United States(English) Canada(English) Haiti(Ayiti) Mexico(español)
HomeProductsCircuit ProtectionElectrical, Specialty Fuses0242.040UR
0242.040UR Image
Image may be representation.
See specifications for product details.
EXPRESS OPTION
Payment method

0242.040UR - Littelfuse Inc.

Manufacturer Part Number
0242.040UR
Manufacturer
Littelfuse
Allelco Part Number
32D-0242.040UR
ECAD Model
Parts Description
FUSE CRTRDGE 40MA 250VAC/VDC
Package
Cartridge, Non-Standard
Data sheet
242 Series Datasheet.pdf
RoHs Status
ROHS3 Compliant
Our certification
In stock: 10890

Required fields are indicated by an asterisk (*)
Please send RFQ, we will respond immediately.

Quantity
EXPRESS OPTION
Payment method
Our certification

Specifications

0242.040UR Tech Specifications
Littelfuse Inc. - 0242.040UR technical specifications, attributes, parameters and parts with similar specifications to Littelfuse Inc. - 0242.040UR

Product Attribute Attribute Value  
Manufacturer Littelfuse  
Voltage Rating - DC 250 V  
Voltage Rating - AC 250 V  
Size / Dimension 0.119" Dia x 0.331" L (3.02mm x 8.40mm)  
Series 242  
Response Time Fast Blow  
Package / Case Cartridge, Non-Standard  
Package Tape & Reel (TR)  
Operating Temperature -40°C ~ 125°C  
Mounting Type Surface Mount  
Product Attribute Attribute Value  
Melting I²t 7.8E-05  
Fuse Type Cartridge  
Features Intrinsically Safe  
DC Cold Resistance 16.48 Ohms  
Current Rating (Amps) 40mA  
Class -  
Breaking Capacity @ Rated Voltage 4kA  
Approval Agency cURus  
Applications Hazardous Locations  

Environmental & Export Classifications

ATTRIBUTE DESCRIPTION
RoHs Status ROHS3 Compliant
Moisture Sensitivity Level (MSL) Not Applicable
REACH Status REACH Unaffected
ECCN EAR99
HTSUS 8536.10.0040

Parts Introduction

Manufacturer Part Number

040UR

Manufacturer

Littelfuse

Introduction

The Littelfuse 0242.040UR is a high-quality, specialized fuse designed for circuit protection in hazardous location applications. This compact, surface-mount fuse provides reliable and efficient overcurrent protection, ensuring the safety and integrity of sensitive electronic systems.

Product Features and Performance

40mA current rating

250VAC and 250VDC voltage ratings

Fast-blow response time for rapid overcurrent protection

Intrinsically safe design for use in hazardous environments

Compact 3.02mm diameter x 8.40mm length cartridge package

Wide operating temperature range of -40°C to 125°C

4kA breaking capacity at rated voltage

Low DC cold resistance of 16.48 ohms

Product Advantages

Specialized for hazardous location applications

Reliable and robust overcurrent protection

Compact and space-saving design

Wide voltage and temperature range

Exceptional breaking capacity and performance

Key Reasons to Choose This Product

Ensures the safety and reliability of electronic systems in hazardous environments

Provides critical overcurrent protection for sensitive components

Delivers superior performance and durability

Offers a compact and space-efficient solution

Backed by Littelfuse's reputation for quality and innovation

Quality and Safety Features

cURus approval for safety and reliability

Intrinsically safe design for hazardous locations

Robust construction and high-quality materials

Compatibility

This Littelfuse 0242.040UR fuse is designed for use in a wide range of hazardous location applications, including industrial equipment, medical devices, and specialized electronic systems.

Application Areas

Hazardous locations

Industrial equipment

Medical devices

Specialized electronic systems

Product Lifecycle

The Littelfuse 0242.040UR is an active, currently available product. There are no known equivalent or alternative models at this time. If you require more information or have any questions, please contact our website's sales team.

Parts with Similar Specifications

The three parts on the right have similar specifications to Littelfuse Inc. 0242.040UR

Product Attribute 0242.040UR 0242.200UR 0242.100UR 0242.250UR
Part Number 0242.040UR 0242.200UR 0242.100UR 0242.250UR
Manufacturer Littelfuse Inc. Littelfuse Inc. Littelfuse Inc. Littelfuse Inc.
Voltage Rating - DC 250 V 250 V 250 V 250 V
Class - - - -
Package Tape & Reel (TR) Tape & Reel (TR) Tape & Reel (TR) Tape & Reel (TR)
Voltage Rating - AC 250 V 250 V 250 V 250 V
Melting I²t 7.8E-05 0.0038 0.000977 0.00579
Response Time Fast Blow Fast Blow Fast Blow Fast Blow
Fuse Type Cartridge Cartridge Cartridge Cartridge
Features Intrinsically Safe Intrinsically Safe Intrinsically Safe Intrinsically Safe
Size / Dimension 0.119" Dia x 0.331" L (3.02mm x 8.40mm) 0.119" Dia x 0.331" L (3.02mm x 8.40mm) 0.119' Dia x 0.331' L (3.02mm x 8.40mm) 0.119' Dia x 0.331' L (3.02mm x 8.40mm)
Current Rating (Amps) 40mA 200mA 100mA 250mA
Approval Agency cURus cURus cURus cURus
Package / Case Cartridge, Non-Standard Cartridge, Non-Standard Cartridge, Non-Standard Cartridge, Non-Standard
Mounting Type Surface Mount Surface Mount Surface Mount Surface Mount
Series 242 242 242 242
Applications Hazardous Locations Hazardous Locations Hazardous Locations Hazardous Locations
Operating Temperature -40°C ~ 125°C -40°C ~ 125°C -40°C ~ 125°C -40°C ~ 125°C
Breaking Capacity @ Rated Voltage 4kA 4kA 4kA 4kA
DC Cold Resistance 16.48 Ohms 2.68 Ohms 3.6 Ohms 1.6 Ohms

0242.040UR Datasheet PDF

Download 0242.040UR pdf datasheets and Littelfuse Inc. documentation for 0242.040UR - Littelfuse Inc..

Datasheets
242 Series Datasheet.pdf

Shipment

Delivery Time

In-stock items can be shipped within 24 hours. Some parts will be arranged for delivery within 1-2 days from the date all items arrive at our warehouse. And Allelco ships order once a day at about 17:00, except Sunday. Once the goods are shipped, the estimated delivery time depends on the shipping methods and Delivery destination. The table below shows are the logistic time for some common countries.

Delivery Cost

  1. Use your express account for shipment if you have one.
  2. Use our account for the shipment. Refer to the table below for the approximate charges.
(Different time frame / countries / package size has different price.)

Delivery Method

  1. Global Common Shipment by DHL / UPS / FedEx / TNT / EMS / SF we support.
  2. Others more shipping ways, please get in touch with your customer manager.

Common Countries Logistic Time Reference
Region Country Logistic Time(Day)
America United States 5
Brazil 7
Europe Germany 5
United Kingdom 4
Italy 5
Oceania Australia 6
New Zealand 5
Asia India 4
Japan 4
Middle East Israel 6
DHL & FedEx Shipment Charges Reference
Shipment charges(KG) Reference DHL(USD$)
0.00kg-1.00kg USD$30.00 - USD$60.00
1.00kg-2.00kg USD$40.00 - USD$80.00
2.00kg-3.00kg USD$50.00 - USD$100.00
Note:
The above table is for reference only. There may have some data bias for the uncontrollable factors.
Contact us if you have any questions.

Payment Support

The payment method can be chosen from the methods shown below: Wire Transfer (T/T, Bank Transfer), Western Union, Credit card, PayPal.

Your Faithful Supply Chain Partner -

Contact us if you have any questions.

  1. Phone
    +00852 9146 4856

Certifications & Memberships

View More
0242.040UR Image

0242.040UR

Littelfuse Inc.
32D-0242.040UR

Want a better price? Please Add to Cart, we'll contact you immediately.

0 RFQ
Shopping cart (0 Items)
It is empty.
Compare List (0 Items)
It is empty.
Feedback

Your feedback matters! At Allelco, we value the user experience and strive to improve it constantly.
Please share your comments with us via our feedback form, and we'll respond promptly.
Thank you for choosing Allelco.

Subject
E-mail
Comments
Captcha
Drag or click to upload file
Upload File
types: .xls, .xlsx, .doc, .docx, .jpg, .png and .pdf.
Max file size: 10MB