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HomeProductsCircuit ProtectionPTC Resettable FusesRUEF900
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RUEF900 - Littelfuse Inc.

Manufacturer Part Number
RUEF900
Manufacturer
Littelfuse
Allelco Part Number
32D-RUEF900
ECAD Model
Parts Description
PTC RESET FUSE 30V 9A RADIAL
Package
Radial, Disc
Data sheet
RUEF Series Datasheet.pdf
RUEF900 Spec.pdf
RoHs Status
ROHS3 Compliant
Our certification
In stock: 96820

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Specifications

RUEF900 Tech Specifications
Littelfuse Inc. - RUEF900 technical specifications, attributes, parameters and parts with similar specifications to Littelfuse Inc. - RUEF900

Product Attribute Attribute Value  
Manufacturer Littelfuse  
Voltage - Max 30V  
Type Polymeric  
Time to Trip 20 s  
Thickness (Max) -  
Size / Dimension 0.949' L x 0.118' W (24.10mm 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) 1.142' (29.00mm)  
Current - Trip (It) 18 A  
Current - Max 100 A  
Current - Hold (Ih) (Max) 9 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

RUEF900

Manufacturer

Littelfuse

Introduction

The RUEF900 is a high-performance, polymeric PTC resettable fuse from Littelfuse's PolySwitch® series. Designed for circuit protection applications, this device offers reliable overcurrent and overtemperature protection, ensuring the safety and reliability of your electronic devices.

Product Features and Performance

Polymeric PTC (Positive Temperature Coefficient) design

Voltage rating: 30V

Hold current (Ih): 9A

Trip current (It): 18A

Maximum current: 100A

Time to trip: 20 seconds

Initial resistance (Ri): Minimum 5 mOhms

Post-trip resistance (R1): Maximum 20 mOhms

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

Product Advantages

Resettable overcurrent and overtemperature protection

Compact, space-saving design

Reliable and long-lasting performance

Suitable for a wide range of applications

Key Reasons to Choose This Product

Robust circuit protection for your electronic devices

Ensures safety and reliability of your products

Versatile and easy to integrate into your design

Cost-effective solution for circuit protection

Quality and Safety Features

Approved by CQC, CSA, TUV, and UL

Designed and manufactured to the highest quality standards

Compatibility

The RUEF900 is compatible with a wide range of electronic devices and applications that require overcurrent and overtemperature protection.

Application Areas

Consumer electronics

Industrial equipment

Telecommunications

Automotive electronics

Power supplies

And other applications requiring reliable circuit protection

Product Lifecycle

The RUEF900 is an active product in Littelfuse's portfolio. There are no known plans for discontinuation at this time. If you have any questions or need assistance in finding an alternative or equivalent model, please contact our website's sales team.

Parts with Similar Specifications

The three parts on the right have similar specifications to Littelfuse Inc. RUEF900

Product Attribute RUEF900 RUEF700-2 RUEF400 RUEF500
Part Number RUEF900 RUEF700-2 RUEF400 RUEF500
Manufacturer Littelfuse Inc. Littelfuse Inc. Littelfuse Inc. Littelfuse Inc.
Current - Trip (It) 18 A 14 A 8 A 10 A
Mounting Type Through Hole Through Hole Through Hole Through Hole
Resistance - Initial (Ri) (Min) 5 mOhms 5 mOhms 10 mOhms 10 mOhms
Current - Hold (Ih) (Max) 9 A 7 A 4 A 5 A
Package Bag Tape & Reel (TR) Bag Bag
Voltage - Max 30V 30V 30V 30V
Resistance - Post Trip (R1) (Max) 20 mOhms 30 mOhms 50 mOhms 50 mOhms
Operating Temperature -40°C ~ 85°C -40°C ~ 85°C -40°C ~ 85°C -40°C ~ 85°C
Type Polymeric Polymeric Polymeric Polymeric
Approval Agency CQC, CSA, TUV, UL CQC, CSA, TUV, UL CQC, CSA, TUV, UL CQC, CSA, TUV, UL
Package / Case Radial, Disc Radial, Disc Radial, Disc Radial, Disc
Current - Max 100 A 100 A 100 A 100 A
Ratings - - - -
Series PolySwitch®, RUEF PolySwitch®, RUEF PolySwitch®, RUEF PolySwitch®, RUEF
Height - Seated (Max) 1.142' (29.00mm) 1.020" (25.90mm) 0.760" (19.30mm) 0.949' (24.10mm)
Thickness (Max) - - - -
Time to Trip 20 s 17.5 s 12.7 s 14.5 s
Lead Spacing 0.400' (10.15mm) 0.400" (10.15mm) 0.199" (5.05mm) 0.400' (10.15mm)
Size / Dimension 0.949' L x 0.118' W (24.10mm x 3.00mm) 0.752" L x 0.118" W (19.10mm 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)

RUEF900 Datasheet PDF

Download RUEF900 pdf datasheets and Littelfuse Inc. documentation for RUEF900 - Littelfuse Inc..

PCN Packaging
2.73KHz.pdf
HTML Datasheet
RUEF Series Datasheet.pdf RUEF900 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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RUEF900 Image

RUEF900

Littelfuse Inc.
32D-RUEF900

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