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HomeProductsCircuit ProtectionElectrical, Specialty Fuses0242.100UR
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0242.100UR - Littelfuse Inc.

Manufacturer Part Number
0242.100UR
Manufacturer
Littelfuse
Allelco Part Number
32D-0242.100UR
ECAD Model
Parts Description
FUSE CARTRIDGE 100MA 250VAC/VDC
Package
Cartridge, Non-Standard
Data sheet
242 Series Datasheet.pdf
242 UR Series Drawing.pdf
RoHs Status
ROHS3 Compliant
Our certification
In stock: 9456

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Specifications

0242.100UR Tech Specifications
Littelfuse Inc. - 0242.100UR technical specifications, attributes, parameters and parts with similar specifications to Littelfuse Inc. - 0242.100UR

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 0.000977  
Fuse Type Cartridge  
Features Intrinsically Safe  
DC Cold Resistance 3.6 Ohms  
Current Rating (Amps) 100mA  
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

100UR

Manufacturer

Littelfuse

Introduction

The Littelfuse 0242.100UR is a high-performance, surface mount cartridge fuse designed for circuit protection in hazardous location applications. This specialized fuse offers reliable overcurrent protection and meets the stringent safety requirements for intrinsically safe circuits.

Product Features and Performance

100mA current rating

250VAC/250VDC voltage rating

Fast-acting, "fast blow" response time

High breaking capacity of 4kA

Compact 3.02mm x 8.40mm size

Operates within a wide temperature range of -40°C to 125°C

Low DC cold resistance of 3.6 Ohms

Specialized melting I²t of 0.000977

Product Advantages

Provides reliable overcurrent protection for hazardous location applications

Compact surface mount design for efficient space utilization

Meets intrinsically safe requirements for added safety

Wide operating temperature range for diverse environmental conditions

Low resistance and specialized melting characteristics for optimal performance

Key Reasons to Choose This Product

Proven Littelfuse quality and reliability

Specially designed for hazardous location applications

Compact size and surface mount capability for space-constrained designs

Comprehensive safety approvals, including cURus listing

Exceptional performance characteristics for critical circuit protection

Quality and Safety Features

cURus safety approval for use in hazardous locations

Designed to meet intrinsically safe requirements

Robust construction for reliable operation

Compatibility

The Littelfuse 0242.100UR is a specialized surface mount cartridge fuse suitable for use in hazardous location applications requiring intrinsically safe circuit protection.

Application Areas

Hazardous locations

Intrinsically safe circuits

Industrial automation and control systems

Instrumentation and process control equipment

Telecommunications and data communication infrastructure

Product Lifecycle

The Littelfuse 0242.100UR is an active and current product. There are no known plans for discontinuation at this time. For the latest information or to inquire about alternative or equivalent models, please contact our website's sales team.

Parts with Similar Specifications

The three parts on the right have similar specifications to Littelfuse Inc. 0242.100UR

Product Attribute 0242.100UR 0242.160UR 0242.050UR 170M4469
Part Number 0242.100UR 0242.160UR 0242.050UR 170M4469
Manufacturer Littelfuse Inc. Littelfuse Inc. Littelfuse Inc. Eaton - Bussmann Electrical Division
Features Intrinsically Safe Intrinsically Safe Intrinsically Safe Indicating
Series 242 242 242 -
Breaking Capacity @ Rated Voltage 4kA 4kA 4kA 200kA
Package / Case Cartridge, Non-Standard Cartridge, Non-Standard Cartridge, Non-Standard Rectangular, Blade
Applications Hazardous Locations Hazardous Locations Hazardous Locations Electrical, Industrial
Fuse Type Cartridge Cartridge Cartridge Square
Response Time Fast Blow Fast Blow Fast Blow -
DC Cold Resistance 3.6 Ohms 3 Ohms 11.34 Ohms -
Melting I²t 0.000977 0.00157 0.000103 155000
Voltage Rating - DC 250 V 250 V 250 V -
Approval Agency cURus cURus cURus CSA, UR
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) 1.969' L x 2.087' W x 2.717' H (50.00mm x 53.00mm x 69.00mm)
Current Rating (Amps) 100mA 160mA 50mA 900A
Voltage Rating - AC 250 V 250 V 250 V 700 V
Class - - - -
Mounting Type Surface Mount Surface Mount Surface Mount Requires Holder
Package Tape & Reel (TR) Tape & Reel (TR) Tape & Reel (TR) Bulk
Operating Temperature -40°C ~ 125°C -40°C ~ 125°C -40°C ~ 125°C -

0242.100UR Datasheet PDF

Download 0242.100UR pdf datasheets and Littelfuse Inc. documentation for 0242.100UR - Littelfuse Inc..

HTML Datasheet
242 Series Datasheet.pdf 242 UR Series Drawing.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

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0242.100UR Image

0242.100UR

Littelfuse Inc.
32D-0242.100UR

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