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HomeProductsCircuit ProtectionFuses0494.250NR
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0494.250NR - Littelfuse Inc.

Manufacturer Part Number
0494.250NR
Manufacturer
Littelfuse
Allelco Part Number
32D-0494.250NR
ECAD Model
Parts Description
FUSE BOARD MOUNT 250MA 32VAC/VDC
Package
0603 (1608 Metric)
Data sheet
Cylindrical Battery Holders.pdf
RoHs Status
ROHS3 Compliant
Our certification
In stock: 79520

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Specifications

0494.250NR Tech Specifications
Littelfuse Inc. - 0494.250NR technical specifications, attributes, parameters and parts with similar specifications to Littelfuse Inc. - 0494.250NR

Product Attribute Attribute Value  
Manufacturer Littelfuse  
Voltage Rating - DC 32 V  
Voltage Rating - AC 32 V  
Size / Dimension 0.063' L x 0.032' W x 0.012' H (1.60mm x 0.81mm x 0.31mm)  
Series 494  
Response Time Fast Blow  
Package / Case 0603 (1608 Metric)  
Package Tape & Reel (TR)  
Operating Temperature -55°C ~ 90°C  
Product Attribute Attribute Value  
Mounting Type Surface Mount  
Melting I²t 0.003  
Fuse Type Board Mount (Cartridge Style Excluded)  
DC Cold Resistance 0.545 Ohms  
Current Rating (Amps) 250 mA  
Color -  
Breaking Capacity @ Rated Voltage 50A  
Approval Agency CSA, UR  

Environmental & Export Classifications

ATTRIBUTE DESCRIPTION
RoHs Status ROHS3 Compliant
Moisture Sensitivity Level (MSL) 1 (Unlimited)
REACH Status REACH Unaffected
ECCN EAR99
HTSUS 8536.10.0040

Parts Introduction

Manufacturer Part Number

250NR

Manufacturer

littelfuse

Introduction

The 0494.250NR is a surface mount circuit protection fuse from Littelfuse. It is a fast-blow fuse designed for board-mount applications, providing reliable overcurrent protection for sensitive electronic circuits. This fuse offers a compact and robust solution to safeguard against short circuits and overloads, ensuring the safety and reliability of your device.

Product Features and Performance

Current rating: 250 mA

Voltage rating: 32 V AC/DC

Fast-blow response time

Small 0603 (1608 metric) package size

Breaking capacity: 50 A at rated voltage

Melting I²t: 0.003

Wide operating temperature range: -55°C to 90°C

Product Advantages

Compact and space-saving design

Reliable overcurrent protection

Fast-acting response to prevent damage

Suitable for a wide range of applications

Compliant with CSA and UL safety standards

Key Reasons to Choose This Product

Robust and reliable circuit protection

Optimized for space-constrained designs

Ensures the safety and performance of your electronic devices

Cost-effective solution for your circuit protection needs

Backed by Littelfuse's reputation for quality and innovation

Quality and Safety Features

Approved by CSA and UL for safety

Designed and manufactured to the highest quality standards

Robust construction for long-lasting performance

Compatibility

The 0494.250NR fuse is compatible with a wide range of electronic devices and circuits, making it a versatile solution for various applications.

Application Areas

Consumer electronics

Industrial controls

Telecommunications equipment

Medical devices

Automotive electronics

Product Lifecycle

The 0494.250NR is an active and available product from our website's sales team. There are no plans for discontinuation at this time. However, as technology evolves, it's always recommended to check with our website's sales team or your authorized distributor for the latest product information and any potential alternative models that may be available.

Parts with Similar Specifications

The three parts on the right have similar specifications to Littelfuse Inc. 0494.250NR

Product Attribute 0494.250NR 0494001.NRHF 0494.800NR 0494.375NR
Part Number 0494.250NR 0494001.NRHF 0494.800NR 0494.375NR
Manufacturer Littelfuse Inc. Littelfuse Inc. Littelfuse Inc. Littelfuse Inc.
Mounting Type Surface Mount Surface Mount Surface Mount Surface Mount
Package Tape & Reel (TR) Tape & Reel (TR) Tape & Reel (TR) Tape & Reel (TR)
Size / Dimension 0.063' L x 0.032' W x 0.012' H (1.60mm x 0.81mm x 0.31mm) 0.063" L x 0.032" W x 0.012" H (1.60mm x 0.81mm x 0.31mm) 0.063" L x 0.032" W x 0.012" H (1.60mm x 0.81mm x 0.31mm) 0.063' L x 0.032' W x 0.012' H (1.60mm x 0.81mm x 0.31mm)
Current Rating (Amps) 250 mA 1 A 8 A 375 mA
DC Cold Resistance 0.545 Ohms - - -
Operating Temperature -55°C ~ 90°C -50°C ~ 90°C -55°C ~ 90°C -55°C ~ 90°C
Voltage Rating - AC 32 V 32 V 32 V 32 V
Breaking Capacity @ Rated Voltage 50A 50A - 50A
Color - - - -
Fuse Type Board Mount (Cartridge Style Excluded) Board Mount (Cartridge Style Excluded) Board Mount (Cartridge Style Excluded) Board Mount (Cartridge Style Excluded)
Voltage Rating - DC 32 V 32 V 32 V 32 V
Series 494 494 494 494
Melting I²t 0.003 0.0212 - 0.0053
Response Time Fast Blow Fast Blow Fast Blow Fast Blow
Approval Agency CSA, UR CSA, UR CSA, UR CSA, UR
Package / Case 0603 (1608 Metric) 0603 (1608 Metric) 0603 (1608 Metric), Concave 0603 (1608 Metric)

0494.250NR Datasheet PDF

Download 0494.250NR pdf datasheets and Littelfuse Inc. documentation for 0494.250NR - Littelfuse Inc..

Datasheets
Cylindrical Battery Holders.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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0494.250NR Image

0494.250NR

Littelfuse Inc.
32D-0494.250NR

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