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HomeProductsCircuit ProtectionPTC Resettable FusesRUEF800K
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RUEF800K - Littelfuse Inc.

Manufacturer Part Number
RUEF800K
Manufacturer
Littelfuse
Allelco Part Number
32D-RUEF800K
ECAD Model
Parts Description
PTC RESET FUSE 30V 8A RADIAL
Package
Radial, Disc
Data sheet
RUEF Series Datasheet.pdf
RUEF800K Spec.pdf
RoHs Status
ROHS3 Compliant
Our certification
In stock: 114590

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Specifications

RUEF800K Tech Specifications
Littelfuse Inc. - RUEF800K technical specifications, attributes, parameters and parts with similar specifications to Littelfuse Inc. - RUEF800K

Product Attribute Attribute Value  
Manufacturer Littelfuse  
Voltage - Max 30V  
Type Polymeric  
Time to Trip 18.8 s  
Thickness (Max) -  
Size / Dimension 0.850' L x 0.118' W (21.60mm x 3.00mm)  
Series PolySwitch®, RUEF  
Resistance - Post Trip (R1) (Max) 20 mOhms  
Resistance - Initial (Ri) (Min) 5 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) 1.189' (30.20mm)  
Current - Trip (It) 16 A  
Current - Max 100 A  
Current - Hold (Ih) (Max) 8 A  
Approval Agency CQC, CSA, TUV, UL  

Environmental & Export Classifications

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

Parts Introduction

Manufacturer Part Number

RUEF800K

Manufacturer

Littelfuse

Introduction

The Littelfuse RUEF800K is a high-performance, polymeric PTC resettable fuse designed to provide reliable circuit protection. This device offers a compact and efficient solution for overload and overcurrent protection in various electronics and electrical applications.

Product Features and Performance

Voltage rating up to 30V

Hold current of 8A

Trip current of 16A

Maximum current of 100A

Time-to-trip of 18.8 seconds

Initial resistance of 5 mOhms and post-trip resistance of 20 mOhms

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

Product Advantages

Resettable protection against overcurrent and overload conditions

Compact and space-saving design

Excellent electrical performance and reliability

Wide operating temperature range

Key Reasons to Choose This Product

Robust circuit protection for safety-critical applications

Efficient and cost-effective solution for overload and overcurrent protection

Reliable and durable performance over the product's lifecycle

Approvals and certifications from leading agencies (CQC, CSA, TUV, UL)

Quality and Safety Features

Constructed with high-quality materials for long-term reliability

Certified by reputable agencies for safety and performance

Designed to meet industry standards and regulations

Compatibility

Suitable for a wide range of electronic and electrical applications

Compatible with various circuit designs and power supply configurations

Application Areas

Consumer electronics

Industrial equipment

Automotive systems

Power supplies

Telecommunications equipment

Product Lifecycle

["The Littelfuse RUEF800K is an active product, and there are no plans for discontinuation.","There are no direct equivalent or alternative models available from Littelfuse at this time. Customers are advised to contact our website's sales team for any inquiries or potential alternative solutions."]

Parts with Similar Specifications

The three parts on the right have similar specifications to Littelfuse Inc. RUEF800K

Product Attribute RUEF800K RUEF500 RUEF700-2 RUEF600
Part Number RUEF800K RUEF500 RUEF700-2 RUEF600
Manufacturer Littelfuse Inc. Littelfuse Inc. Littelfuse Inc. Littelfuse Inc.
Ratings - - - -
Series PolySwitch®, RUEF PolySwitch®, RUEF PolySwitch®, RUEF PolySwitch®, RUEF
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
Height - Seated (Max) 1.189' (30.20mm) 0.949' (24.10mm) 1.020" (25.90mm) 0.949' (24.10mm)
Approval Agency CQC, CSA, TUV, UL CQC, CSA, TUV, UL CQC, CSA, TUV, UL CQC, CSA, TUV, UL
Mounting Type Through Hole Through Hole Through Hole Through Hole
Package / Case Radial, Disc Radial, Disc Radial, Disc Radial, Disc
Thickness (Max) - - - -
Current - Hold (Ih) (Max) 8 A 5 A 7 A 6 A
Package Bag Bag Tape & Reel (TR) Bag
Voltage - Max 30V 30V 30V 30V
Lead Spacing 0.400' (10.15mm) 0.400' (10.15mm) 0.400" (10.15mm) 0.400' (10.15mm)
Time to Trip 18.8 s 14.5 s 17.5 s 16 s
Resistance - Post Trip (R1) (Max) 20 mOhms 50 mOhms 30 mOhms 40 mOhms
Size / Dimension 0.850' L x 0.118' W (21.60mm x 3.00mm) 0.551' L x 0.120' W (14.00mm x 3.00mm) 0.752" L x 0.118" W (19.10mm x 3.00mm) 0.650' L x 0.118' W (16.50mm x 3.00mm)
Type Polymeric Polymeric Polymeric Polymeric
Resistance - Initial (Ri) (Min) 5 mOhms 10 mOhms 5 mOhms 5 mOhms
Current - Trip (It) 16 A 10 A 14 A 12 A

RUEF800K Datasheet PDF

Download RUEF800K pdf datasheets and Littelfuse Inc. documentation for RUEF800K - Littelfuse Inc..

PCN Packaging
2.73KHz.pdf
HTML Datasheet
RUEF Series Datasheet.pdf RUEF800K 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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RUEF800K Image

RUEF800K

Littelfuse Inc.
32D-RUEF800K

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