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HomeProductsCircuit ProtectionFuses0438.500WRA
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0438.500WRA - Littelfuse Inc.

Manufacturer Part Number
0438.500WRA
Manufacturer
Littelfuse
Allelco Part Number
32D-0438.500WRA
ECAD Model
Parts Description
FUSE BDMT 500MA 32VAC 63VDC 0603
Package
0603 (1608 Metric)
Data sheet
438A Series Datasheet.pdf
RoHs Status
ROHS3 Compliant
Our certification
In stock: 44960

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Specifications

0438.500WRA Tech Specifications
Littelfuse Inc. - 0438.500WRA technical specifications, attributes, parameters and parts with similar specifications to Littelfuse Inc. - 0438.500WRA

Product Attribute Attribute Value  
Manufacturer Littelfuse  
Voltage Rating - DC 63 V  
Voltage Rating - AC 32 V  
Size / Dimension 0.062" L x 0.033" W x 0.024" H (1.58mm x 0.85mm x 0.61mm)  
Series 438A  
Response Time Fast Blow  
Package / Case 0603 (1608 Metric)  
Package Tape & Reel (TR)  
Operating Temperature -55°C ~ 150°C  
Product Attribute Attribute Value  
Mounting Type Surface Mount  
Melting I²t 0.01  
Fuse Type Board Mount (Cartridge Style Excluded)  
DC Cold Resistance 0.829 Ohms  
Current Rating (Amps) 500 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

500WRA

Manufacturer

Littelfuse

Introduction

The Littelfuse 0438.500WRA is a high-performance, surface mount fuse that offers reliable circuit protection in a compact 0603 package. Designed for a wide range of applications, this fuse provides fast-acting overcurrent protection to safeguard sensitive electronic components and circuits.

Product Features and Performance

Current rating of 500 mA

AC voltage rating of 32 V and DC voltage rating of 63 V

Fast-blow response time

Compact 0603 (1608 metric) package size

Breaking capacity of 50 A at rated voltage

Melting I²t of 0.01

Operates in a wide temperature range of -55°C to 150°C

Product Advantages

Miniature size for space-constrained designs

Robust performance in harsh environments

Reliable protection against overcurrent faults

Suitable for high-density circuit board layouts

Compliant with CSA and UL safety standards

Key Reasons to Choose This Product

Proven Littelfuse quality and reliability

Optimized for modern electronic device requirements

Excellent value for the performance and features offered

Easy to integrate into circuit board designs

Supports a wide range of applications and environments

Quality and Safety Features

Certified to CSA and UL safety standards

Rigorous testing and quality control measures

Robust construction for reliable operation

Compatibility

The Littelfuse 0438.500WRA surface mount fuse is compatible with a wide range of electronic devices and circuits, making it suitable for a variety of applications.

Application Areas

Consumer electronics

Industrial equipment

Telecommunications systems

Automotive electronics

Aerospace and defense applications

Product Lifecycle

The Littelfuse 0438.500WRA is an active product, currently available for purchase. There are no known equivalent or alternative models available at this time. If you have any further questions or need assistance, please contact our website's sales team.

Parts with Similar Specifications

The three parts on the right have similar specifications to Littelfuse Inc. 0438.500WRA

Product Attribute 0438.500WRA 04371.25WR 043703.5WR 0438002.WRGT
Part Number 0438.500WRA 04371.25WR 043703.5WR 0438002.WRGT
Manufacturer Littelfuse Inc. Littelfuse Inc. Littelfuse Inc. Littelfuse Inc.
Mounting Type Surface Mount Surface Mount Surface Mount Surface Mount
Color - - - -
Voltage Rating - AC 32 V 63 V 32 V 12 V
Breaking Capacity @ Rated Voltage 50A 50A 50A 50A AC, 50A DC
Operating Temperature -55°C ~ 150°C -55°C ~ 150°C -55°C ~ 150°C -55°C ~ 150°C
Series 438A 437 437 438GT
Response Time Fast Blow Fast Blow Fast Blow Fast Blow
Package / Case 0603 (1608 Metric) 1206 (3216 Metric) 1206 (3216 Metric) 0603 (1608 Metric)
Voltage Rating - DC 63 V 63 V 35 V 32 V
Approval Agency CSA, UR CSA, UR CSA, UR CSA, cURus
Size / Dimension 0.062" L x 0.033" W x 0.024" H (1.58mm x 0.85mm x 0.61mm) 0.126' L x 0.064' W x 0.032' H (3.20mm x 1.63mm x 0.82mm) 0.126' L x 0.064' W x 0.032' H (3.20mm x 1.63mm x 0.82mm) 0.061" L x 0.033" W x 0.020" H (1.54mm x 0.85mm x 0.50mm)
Current Rating (Amps) 500 mA 1.25 A 3.5 A 2 A
Melting I²t 0.01 0.256 0.576 0.181
Fuse Type Board Mount (Cartridge Style Excluded) Board Mount (Cartridge Style Excluded) Board Mount (Cartridge Style Excluded) Board Mount (Cartridge Style Excluded)
DC Cold Resistance 0.829 Ohms 0.318 Ohms 0.027 Ohms 0.049 Ohms
Package Tape & Reel (TR) Tape & Reel (TR) Tape & Reel (TR) Tape & Reel (TR)

0438.500WRA Datasheet PDF

Download 0438.500WRA pdf datasheets and Littelfuse Inc. documentation for 0438.500WRA - Littelfuse Inc..

Datasheets
438A 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

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0438.500WRA Image

0438.500WRA

Littelfuse Inc.
32D-0438.500WRA

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