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HomeProductsCircuit ProtectionFuses0437.750WR
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0437.750WR - Littelfuse Inc.

Manufacturer Part Number
0437.750WR
Manufacturer
Littelfuse
Allelco Part Number
32D-0437.750WR
ECAD Model
Parts Description
FUSE BOARD MOUNT 750MA 63VAC/VDC
Package
1206 (3216 Metric)
Data sheet
437 Series.pdf
437 Series.pdf
RoHs Status
ROHS3 Compliant
Our certification
In stock: 57640

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Specifications

0437.750WR Tech Specifications
Littelfuse Inc. - 0437.750WR technical specifications, attributes, parameters and parts with similar specifications to Littelfuse Inc. - 0437.750WR

Product Attribute Attribute Value  
Manufacturer Littelfuse  
Voltage Rating - DC 63 V  
Voltage Rating - AC 63 V  
Size / Dimension 0.126" L x 0.064" W x 0.032" H (3.20mm x 1.63mm x 0.82mm)  
Series 437  
Response Time Fast Blow  
Package / Case 1206 (3216 Metric)  
Package Tape & Reel (TR)  
Operating Temperature -55°C ~ 150°C  
Product Attribute Attribute Value  
Mounting Type Surface Mount  
Melting I²t 0.064  
Fuse Type Board Mount (Cartridge Style Excluded)  
DC Cold Resistance 0.665 Ohms  
Current Rating (Amps) 750 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

750WR

Manufacturer

Littelfuse

Introduction

The Littelfuse 0437.750WR is a surface mount fuse designed for circuit protection in a wide range of electronic applications. It offers reliable overcurrent protection with a fast-blow response time, ensuring rapid disconnection of the circuit in the event of a fault or overload condition.

Product Features and Performance

750 mA current rating

63 V AC/DC voltage rating

Fast-blow response time for quick disconnection

50A breaking capacity at rated voltage

064 melting I²t for precise overcurrent protection

Compact 1206 (3216 metric) package size

Product Advantages

Reliable and efficient circuit protection

Compact surface mount design for space-constrained applications

Wide operating temperature range of -55°C to 150°C

CSA and UL (UR) safety agency approvals

Key Reasons to Choose This Product

Robust overcurrent protection for sensitive electronic circuits

Optimized performance for reliable operation in diverse applications

Space-saving surface mount package for efficient board layout

Trusted Littelfuse quality and safety features

Quality and Safety Features

CSA and UL (UR) safety agency approvals

Designed and manufactured to the highest quality standards

Consistent performance and reliability

Compatibility

The Littelfuse 0437.750WR fuse is compatible with a wide range of electronic devices and applications, including:

Power supplies

Telecommunications equipment

Industrial controls

Consumer electronics

Automotive electronics

Application Areas

Circuit protection for sensitive electronic components

Overcurrent protection in power supply and distribution systems

Safeguarding against fault conditions in industrial and commercial equipment

Product Lifecycle

The Littelfuse 0437.750WR is an active and current product in the Littelfuse portfolio. There are no known equivalent or alternative models available at this time. For the latest product information or to discuss your specific application requirements, please contact the Littelfuse sales team through our website.

Parts with Similar Specifications

The three parts on the right have similar specifications to Littelfuse Inc. 0437.750WR

Product Attribute 0437.750WR 0437002.WR 0437003.WRA 0437.375WR
Part Number 0437.750WR 0437002.WR 0437003.WRA 0437.375WR
Manufacturer Littelfuse Inc. Littelfuse Inc. Littelfuse Inc. Littelfuse Inc.
Voltage Rating - AC 63 V 63 V 32 V 125 V
Color - - - -
Series 437 437 437A 437
Melting I²t 0.064 0.144 0.506 0.01
Approval Agency CSA, UR CSA, UR CSA, cURus CSA, UR
Size / Dimension 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) 0.126" L x 0.064" W x 0.033" H (3.20mm x 1.63mm x 0.84mm) 0.126' L x 0.064' W x 0.032' H (3.20mm x 1.63mm x 0.82mm)
Breaking Capacity @ Rated Voltage 50A 50A 50A 50A
Fuse Type Board Mount (Cartridge Style Excluded) Board Mount (Cartridge Style Excluded) Board Mount (Cartridge Style Excluded) Board Mount (Cartridge Style Excluded)
Response Time Fast Blow Fast Blow Fast Blow Fast Blow
DC Cold Resistance 0.665 Ohms 0.058 Ohms - 1.33 Ohms
Mounting Type Surface Mount Surface Mount Surface Mount Surface Mount
Operating Temperature -55°C ~ 150°C -55°C ~ 150°C -55°C ~ 150°C -55°C ~ 150°C
Current Rating (Amps) 750 mA 2 A 3 A 375 mA
Package Tape & Reel (TR) Tape & Reel (TR) Tape & Reel (TR) Tape & Reel (TR)
Package / Case 1206 (3216 Metric) 1206 (3216 Metric) 1206 (3216 Metric) 1206 (3216 Metric)
Voltage Rating - DC 63 V 63 V 35 V 125 V

0437.750WR Datasheet PDF

Download 0437.750WR pdf datasheets and Littelfuse Inc. documentation for 0437.750WR - Littelfuse Inc..

Datasheets
437 Series.pdf
HTML Datasheet
437 Series.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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0437.750WR Image

0437.750WR

Littelfuse Inc.
32D-0437.750WR

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