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HomeProductsCircuit ProtectionPTC Resettable FusesLVR055S
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LVR055S - Littelfuse Inc.

Manufacturer Part Number
LVR055S
Manufacturer
Littelfuse
Allelco Part Number
32D-LVR055S
ECAD Model
Parts Description
PTC RESET FUSE 240V 550MA RADIAL
Package
Radial, Disc
Data sheet
PolySwitch, Line Voltage Catalog.pdf
LVR055S Spec.pdf
RoHs Status
ROHS3 Compliant
Our certification
In stock: 58560

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Specifications

LVR055S Tech Specifications
Littelfuse Inc. - LVR055S technical specifications, attributes, parameters and parts with similar specifications to Littelfuse Inc. - LVR055S

Product Attribute Attribute Value  
Manufacturer Littelfuse  
Voltage - Max 240V (265V Int)  
Type Polymeric  
Time to Trip 26 s  
Thickness (Max) -  
Size / Dimension 0.551" L x 0.161" W (14.00mm x 4.10mm)  
Series PolySwitch®, LVR  
Resistance - Post Trip (R1) (Max) 1.45 Ohms  
Resistance - Initial (Ri) (Min) 450 mOhms  
Ratings -  
Product Attribute Attribute Value  
Package / Case Radial, Disc  
Package Bulk  
Operating Temperature -20°C ~ 85°C  
Mounting Type Through Hole  
Lead Spacing 0.200" (5.08mm)  
Height - Seated (Max) 0.854" (21.70mm)  
Current - Trip (It) 1.25 A  
Current - Max 7 A  
Current - Hold (Ih) (Max) 550 mA  
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

LVR055S

Manufacturer

littelfuse

Introduction

The LVR055S is a PolySwitch® resettable PTC fuse from Littelfuse. It is a polymeric overcurrent protection device that provides resettable overcurrent and overtemperature protection for sensitive electronic circuits and equipment.

Product Features and Performance

Voltage rating up to 240V (265V International)

Hold current of 550 mA

Trip current of 1.25 A

Maximum current of 7 A

Time to trip in 26 seconds

Initial resistance of 450 mOhms

Post-trip resistance of up to 1.45 Ohms

Operating temperature range of -20°C to 85°C

Product Advantages

Resettable protection

Compact and space-saving design

Fast response time

Stable performance over lifetime

Reliable overcurrent and overtemperature protection

Key Reasons to Choose This Product

Robust and reliable circuit protection

Helps prevent damage to sensitive electronics

Resets automatically after fault condition is removed

Extensive agency approvals for safety and compliance

Quality and Safety Features

Approved by CQC, CSA, TUV, and UL

Sturdy through-hole radial disc package

Compatibility

This PolySwitch® resettable fuse is compatible with a wide range of electronic devices and equipment that require overcurrent and overtemperature protection.

Application Areas

Consumer electronics

Industrial controls

Power supplies

Telecommunications equipment

Automotive electronics

Product Lifecycle

The LVR055S is an active and readily available product. There are no plans for discontinuation at this time. Customers are advised to contact our website's sales team for information on any equivalent or alternative models that may be available.

Parts with Similar Specifications

The three parts on the right have similar specifications to Littelfuse Inc. LVR055S

Product Attribute LVR055S LVR055K LVR012S LVR025S-1
Part Number LVR055S LVR055K LVR012S LVR025S-1
Manufacturer Littelfuse Inc. Littelfuse Inc. Littelfuse Inc. Littelfuse Inc.
Approval Agency CQC, CSA, TUV, UL CQC, CSA, TUV, UL CQC, CSA, TUV, UL CQC, CSA, TUV, UL
Thickness (Max) - - - -
Type Polymeric Polymeric Polymeric Polymeric
Package Bulk Bag Bulk Bag
Series PolySwitch®, LVR PolySwitch®, LVR PolySwitch®, LVR PolySwitch®, LVR
Ratings - - - -
Voltage - Max 240V (265V Int) 240V (265V Int) 240V (265V Int) 240V (265V Int)
Operating Temperature -20°C ~ 85°C -20°C ~ 85°C -20°C ~ 85°C -20°C ~ 85°C
Mounting Type Through Hole Through Hole Through Hole Through Hole
Lead Spacing 0.200" (5.08mm) 0.199" (5.05mm) 0.200' (5.08mm) 0.200' (5.08mm)
Height - Seated (Max) 0.854" (21.70mm) 0.822" (20.87mm) 0.430' (10.70mm) 0.685' (17.40mm)
Resistance - Post Trip (R1) (Max) 1.45 Ohms 1.45 Ohms 12 Ohms 3.8 Ohms
Resistance - Initial (Ri) (Min) 450 mOhms 450 mOhms 3 Ohms 1.3 Ohms
Time to Trip 26 s 26 s 15 s 18.5 s
Current - Max 7 A 7 A 1.2 A 3.5 A
Current - Hold (Ih) (Max) 550 mA 550 mA 120 mA 250 mA
Size / Dimension 0.551" L x 0.161" W (14.00mm x 4.10mm) 0.551" L x 0.161" W (14.00mm x 4.10mm) 0.327' Dia x 0.150' T (8.30mm x 3.80mm) 0.378' L x 0.150' W (9.60mm x 3.80mm)
Current - Trip (It) 1.25 A 1.25 A 300 mA 560 mA
Package / Case Radial, Disc Radial, Disc Radial, Disc Radial, Disc

LVR055S Datasheet PDF

Download LVR055S pdf datasheets and Littelfuse Inc. documentation for LVR055S - Littelfuse Inc..

Datasheets
PolySwitch, Line Voltage Catalog.pdf LVR055S Spec.pdf
PCN Packaging
Mult Dev Shipping Chgs 9/Jun/2020.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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LVR055S

Littelfuse Inc.
32D-LVR055S

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