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HomeProductsCircuit ProtectionPTC Resettable FusesRUSB250
RUSB250 Image
Image may be representation.
See specifications for product details.

RUSB250 - Littelfuse Inc.

Manufacturer Part Number
RUSB250
Manufacturer
Littelfuse
Allelco Part Number
32D-RUSB250
ECAD Model
Parts Description
PTC RESET FUSE 16V 2.5A RADIAL
Detailed Description
Package
Radial, Disc
Data sheet
RUSB250 Spec.pdf
In stock: 3990

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Quantity

Specifications

RUSB250 Tech Specifications
Littelfuse Inc. - RUSB250 technical specifications, attributes, parameters and parts with similar specifications to Littelfuse Inc. - RUSB250

Product Attribute Attribute Value  
Manufacturer Littelfuse  
Voltage - Max 16V  
Type Polymeric  
Time to Trip 40 s  
Thickness (Max) -  
Size / Dimension 0.449' L x 0.118' W (11.40mm x 3.00mm)  
Series PolySwitch®  
Resistance - Post Trip (R1) (Max) 60 mOhms  
Resistance - Initial (Ri) (Min) 20 mOhms  
Ratings -  
Product Attribute Attribute Value  
Package / Case Radial, Disc  
Package Bulk  
Operating Temperature -  
Mounting Type Through Hole  
Lead Spacing 0.199' (5.05mm)  
Height - Seated (Max) 0.720' (18.30mm)  
Current - Trip (It) 5 A  
Current - Max 40 A  
Current - Hold (Ih) (Max) 2.5 A  
Approval Agency CSA, TUV, UR  

Parts with Similar Specifications

The three parts on the right have similar specifications to Littelfuse Inc. RUSB250

Product Attribute RUSB250 FSMD100-2920-R 0805L075WR 250R180MR
Part Number RUSB250 FSMD100-2920-R 0805L075WR 250R180MR
Manufacturer Littelfuse Inc. RFE/Fuzetec Littelfuse Inc. Littelfuse Inc.
Current - Max 40 A 100 A 40 A 10 A
Lead Spacing 0.199' (5.05mm) - - 0.201' (5.10mm)
Type Polymeric - Polymeric Polymeric
Time to Trip 40 s 500 ms 200 ms 20 s
Size / Dimension 0.449' L x 0.118' W (11.40mm x 3.00mm) 0.290" L x 0.202" W (7.36mm x 5.12mm) 0.083' L x 0.053' W (2.10mm x 1.35mm) 0.374' Dia x 0.181' T (9.50mm x 4.60mm)
Current - Hold (Ih) (Max) 2.5 A 1.1 A 750 mA 180 mA
Ratings - - - -
Voltage - Max 16V 33V 6V 60V (250V Int)
Mounting Type Through Hole Surface Mount Surface Mount Through Hole
Package / Case Radial, Disc 2920 (7351 Metric), Concave 0805 (2012 Metric), Concave Radial, Disc
Series PolySwitch® FSMD2920 POLY-FUSE®, 0805L POLY-FUSE®, 250R
Operating Temperature - -40°C ~ 85°C -40°C ~ 85°C -40°C ~ 85°C
Resistance - Post Trip (R1) (Max) 60 mOhms 410 mOhms 350 mOhms 4 Ohms
Package Bulk Tape & Reel (TR) Tape & Reel (TR) Cut Tape (CT)
Height - Seated (Max) 0.720' (18.30mm) - - 0.472' (12.00mm)
Approval Agency CSA, TUV, UR cUL, TUV, UL cURus, TUV cURus, TUV
Thickness (Max) - 0.039" (1.00mm) 0.030' (0.75mm) -
Resistance - Initial (Ri) (Min) 20 mOhms 90 mOhms 90 mOhms 800 mOhms
Current - Trip (It) 5 A 2.2 A 1.5 A 650 mA

RUSB250 Datasheet PDF

Download RUSB250 pdf datasheets and Littelfuse Inc. documentation for RUSB250 - Littelfuse Inc..

HTML Datasheet
RUSB250 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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RUSB250 Image

RUSB250

Littelfuse Inc.
32D-RUSB250

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