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HomeProductsCircuit ProtectionPTC Resettable FusesRKEF300
RKEF300 Image
Image may be representation.
See specifications for product details.

RKEF300 - Littelfuse Inc.

Manufacturer Part Number
RKEF300
Manufacturer
Littelfuse
Allelco Part Number
32D-RKEF300
ECAD Model
Parts Description
PTC RESET FUSE 60V 3A RADIAL
Detailed Description
Package
Radial, Disc
Data sheet
RKEF Series Datasheet.pdf
RKEF300 Spec.pdf
RoHs Status
ROHS3 Compliant
In stock: 103710

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Quantity

Specifications

RKEF300 Tech Specifications
Littelfuse Inc. - RKEF300 technical specifications, attributes, parameters and parts with similar specifications to Littelfuse Inc. - RKEF300

Product Attribute Attribute Value  
Manufacturer Littelfuse  
Voltage - Max 60V  
Type Polymeric  
Time to Trip 19.8 s  
Thickness (Max) -  
Size / Dimension 0.650' L x 0.118' W (16.50mm x 3.00mm)  
Series PolySwitch®, RKEF  
Resistance - Post Trip (R1) (Max) 80 mOhms  
Resistance - Initial (Ri) (Min) 30 mOhms  
Ratings -  
Product Attribute Attribute Value  
Package / Case Radial, Disc  
Package Bag  
Operating Temperature -40°C ~ 85°C  
Mounting Type Through Hole  
Lead Spacing 0.199' (5.05mm)  
Height - Seated (Max) 0.835' (21.20mm)  
Current - Trip (It) 6 A  
Current - Max 40 A  
Current - Hold (Ih) (Max) 3 A  
Approval Agency CSA, TUV, UL  

Parts with Similar Specifications

The three parts on the right have similar specifications to Littelfuse Inc. RKEF300

Product Attribute RKEF300 RKEF500-2 1206L012WR RKEF065
Part Number RKEF300 RKEF500-2 1206L012WR RKEF065
Manufacturer Littelfuse Inc. Littelfuse Inc. Littelfuse Inc. Littelfuse Inc.
Height - Seated (Max) 0.835' (21.20mm) 1.142' (29.00mm) - 0.480" (12.20mm)
Operating Temperature -40°C ~ 85°C -40°C ~ 85°C -40°C ~ 85°C -40°C ~ 85°C
Thickness (Max) - - 0.057' (1.45mm) -
Current - Trip (It) 6 A 10 A 290 mA 1.3 A
Voltage - Max 60V 60V 30V 60V
Resistance - Post Trip (R1) (Max) 80 mOhms 50 mOhms 6 Ohms 720 mOhms
Type Polymeric Polymeric Polymeric Polymeric
Current - Hold (Ih) (Max) 3 A 5 A 125 mA 650 mA
Resistance - Initial (Ri) (Min) 30 mOhms 12 mOhms 1.5 Ohms 250 mOhms
Mounting Type Through Hole Through Hole Surface Mount Through Hole
Package Bag Tape & Reel (TR) Tape & Reel (TR) Bag
Ratings - - - -
Series PolySwitch®, RKEF PolySwitch®, RKEF POLY-FUSE®, 1206L PolySwitch®, RKEF
Current - Max 40 A 40 A 100 A 40 A
Time to Trip 19.8 s 28 s 200 ms 1 s
Approval Agency CSA, TUV, UL CSA, TUV, UL cURus, TUV CSA, TUV, UL
Lead Spacing 0.199' (5.05mm) 0.400' (10.15mm) - 0.199" (5.05mm)
Size / Dimension 0.650' L x 0.118' W (16.50mm x 3.00mm) 1.140' L x 0.120' W (29.00mm x 3.00mm) 0.126' L x 0.065' W (3.20mm x 1.65mm) 0.280" L x 0.140" W (7.10mm x 3.56mm)
Package / Case Radial, Disc Radial, Disc 1206 (3216 Metric), Concave Radial, Disc

RKEF300 Datasheet PDF

Download RKEF300 pdf datasheets and Littelfuse Inc. documentation for RKEF300 - Littelfuse Inc..

PCN Packaging
2.73KHz.pdf
HTML Datasheet
RKEF Series Datasheet.pdf RKEF300 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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RKEF300 Image

RKEF300

Littelfuse Inc.
32D-RKEF300

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