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HomeProductsCircuit ProtectionPTC Resettable FusesRUEF500
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RUEF500 - Littelfuse Inc.

Manufacturer Part Number
RUEF500
Manufacturer
Littelfuse
Allelco Part Number
32D-RUEF500
ECAD Model
Parts Description
PTC RESET FUSE 30V 5A RADIAL
Package
Radial, Disc
Data sheet
RUEF Series Datasheet.pdf
RUEF500 Spec.pdf
RoHs Status
ROHS3 Compliant
Our certification
In stock: 88780

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Specifications

RUEF500 Tech Specifications
Littelfuse Inc. - RUEF500 technical specifications, attributes, parameters and parts with similar specifications to Littelfuse Inc. - RUEF500

Product Attribute Attribute Value  
Manufacturer Littelfuse  
Voltage - Max 30V  
Type Polymeric  
Time to Trip 14.5 s  
Thickness (Max) -  
Size / Dimension 0.551' L x 0.120' W (14.00mm x 3.00mm)  
Series PolySwitch®, RUEF  
Resistance - Post Trip (R1) (Max) 50 mOhms  
Resistance - Initial (Ri) (Min) 10 mOhms  
Ratings -  
Product Attribute Attribute Value  
Package / Case Radial, Disc  
Package Bag  
Operating Temperature -40°C ~ 85°C  
Mounting Type Through Hole  
Lead Spacing 0.400' (10.15mm)  
Height - Seated (Max) 0.949' (24.10mm)  
Current - Trip (It) 10 A  
Current - Max 100 A  
Current - Hold (Ih) (Max) 5 A  
Approval Agency CQC, CSA, TUV, UL  

Environmental & Export Classifications

ATTRIBUTE DESCRIPTION
RoHs Status ROHS3 Compliant
Moisture Sensitivity Level (MSL) Not Applicable
REACH Status REACH Unaffected
ECCN EAR99
HTSUS 8533.40.8070

Parts Introduction

Manufacturer Part Number

RUEF500

Manufacturer

Littelfuse

Introduction

The RUEF500 is a resettable polymeric positive temperature coefficient (PPTC) fuse from Littelfuse, a leading provider of circuit protection solutions. This device offers reliable overcurrent and overtemperature protection for a variety of applications, ensuring safe and reliable operation.

Product Features and Performance

Voltage rating up to 30V

Hold current of 5A

Trip current of 10A

Maximum current of 100A

Time to trip of 14.5 seconds

Initial resistance of 10mOhms

Post-trip resistance of 50mOhms

Operating temperature range of -40°C to 85°C

Product Advantages

Resettable design allows for easy restoration of the circuit after a fault

Compact size and radial disc package for space-saving installation

Reliable protection against overcurrent and overtemperature conditions

RoHS compliance for environmental sustainability

Key Reasons to Choose This Product

Proven Littelfuse quality and reliability

Versatile design suitable for a wide range of applications

Cost-effective solution for circuit protection

Easy integration into your product design

Quality and Safety Features

Certified by CQC, CSA, TUV, and UL for quality and safety

Robust construction for reliable performance

Compatibility

The RUEF500 is compatible with a variety of electronic devices and systems that require overcurrent and overtemperature protection.

Application Areas

Consumer electronics

Industrial equipment

Automotive applications

Power supplies

Telecommunications equipment

Product Lifecycle

The RUEF500 is an active product in the Littelfuse portfolio. There are no known equivalent or alternative models available at this time. For the latest information or assistance, please contact our website's sales team.

Parts with Similar Specifications

The three parts on the right have similar specifications to Littelfuse Inc. RUEF500

Product Attribute RUEF500 RUEF300U RUEF400 RUEF500-2
Part Number RUEF500 RUEF300U RUEF400 RUEF500-2
Manufacturer Littelfuse Inc. Littelfuse Inc. Littelfuse Inc. Littelfuse Inc.
Height - Seated (Max) 0.949' (24.10mm) 0.650' (16.50mm) 0.760" (19.30mm) 0.949" (24.10mm)
Type Polymeric Polymeric Polymeric Polymeric
Mounting Type Through Hole Through Hole Through Hole Through Hole
Ratings - - - -
Operating Temperature -40°C ~ 85°C -40°C ~ 85°C -40°C ~ 85°C -40°C ~ 85°C
Current - Max 100 A 100 A 100 A 100 A
Thickness (Max) - - - -
Series PolySwitch®, RUEF PolySwitch®, RUEF PolySwitch®, RUEF PolySwitch®, RUEF
Current - Trip (It) 10 A 6 A 8 A 10 A
Resistance - Initial (Ri) (Min) 10 mOhms 20 mOhms 10 mOhms 10 mOhms
Package / Case Radial, Disc Radial, Disc Radial, Disc Radial, Disc
Time to Trip 14.5 s 10.8 s 12.7 s 14.5 s
Lead Spacing 0.400' (10.15mm) 0.199' (5.05mm) 0.199" (5.05mm) 0.400" (10.15mm)
Resistance - Post Trip (R1) (Max) 50 mOhms 80 mOhms 50 mOhms 50 mOhms
Current - Hold (Ih) (Max) 5 A 3 A 4 A 5 A
Size / Dimension 0.551' L x 0.120' W (14.00mm x 3.00mm) 0.449' L x 0.118' W (11.40mm x 3.00mm) 0.551" L x 0.118" W (14.00mm x 3.00mm) 0.551" L x 0.120" W (14.00mm x 3.00mm)
Approval Agency CQC, CSA, TUV, UL CQC, CSA, TUV, UL CQC, CSA, TUV, UL CQC, CSA, TUV, UL
Package Bag Bag Bag Tape & Reel (TR)
Voltage - Max 30V 30V 30V 30V

RUEF500 Datasheet PDF

Download RUEF500 pdf datasheets and Littelfuse Inc. documentation for RUEF500 - Littelfuse Inc..

PCN Packaging
2.73KHz.pdf
HTML Datasheet
RUEF Series Datasheet.pdf RUEF500 Spec.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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RUEF500

Littelfuse Inc.
32D-RUEF500

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