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HomeProductsCircuit ProtectionPTC Resettable Fuses1812L075/24DR
1812L075/24DR Image
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1812L075/24DR - Littelfuse Inc.

Manufacturer Part Number
1812L075/24DR
Manufacturer
Littelfuse
Allelco Part Number
32D-1812L075/24DR
ECAD Model
Parts Description
PTC RESET FUSE 24V 750MA 1812
Package
1812 (4532 Metric), Concave
Data sheet
1812L Series Datasheet.pdf
RoHs Status
ROHS3 Compliant
Our certification
In stock: 131360

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Specifications

1812L075/24DR Tech Specifications
Littelfuse Inc. - 1812L075/24DR technical specifications, attributes, parameters and parts with similar specifications to Littelfuse Inc. - 1812L075/24DR

Product Attribute Attribute Value  
Manufacturer Littelfuse  
Voltage - Max 24V  
Type Polymeric  
Time to Trip 200 ms  
Thickness (Max) 0.061" (1.55mm)  
Size / Dimension 0.179" L x 0.128" W (4.55mm x 3.24mm)  
Series POLY-FUSE®, 1812L  
Resistance - Post Trip (R1) (Max) 290 mOhms  
Resistance - Initial (Ri) (Min) 110 mOhms  
Ratings AEC-Q200  
Product Attribute Attribute Value  
Package / Case 1812 (4532 Metric), Concave  
Package Tape & Reel (TR)  
Operating Temperature -40°C ~ 85°C  
Mounting Type Surface Mount  
Lead Spacing -  
Height - Seated (Max) -  
Current - Trip (It) 1.5 A  
Current - Max 100 A  
Current - Hold (Ih) (Max) 750 mA  
Approval Agency cURus, TUV  

Environmental & Export Classifications

ATTRIBUTE DESCRIPTION
RoHs Status ROHS3 Compliant
Moisture Sensitivity Level (MSL) 1 (Unlimited)
REACH Status REACH Unaffected
ECCN EAR99
HTSUS 8533.40.8070

Parts Introduction

Manufacturer Part Number

1812L075/24DR

Manufacturer

littelfuse

Introduction

The 1812L075/24DR is a surface mount polymeric positive temperature coefficient (PPTC) resettable fuse from Littelfuse's POLY-FUSE® series. It is designed to provide overcurrent and overtemperature protection for a wide range of electronic devices and circuits, ensuring reliable and safe operation.

Product Features and Performance

Polymeric construction with resettable functionality

Rated voltage: 24V

Hold current (Ih): 750 mA

Trip current (It): 1.5 A

Maximum current: 100 A

Time to trip: 200 ms

Initial resistance (Ri): 110 mOhms

Post-trip resistance (R1): 290 mOhms

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

AEC-Q200 qualified

Product Advantages

Provides overcurrent and overtemperature protection

Automatically resets after the fault condition is removed

Compact 1812 (4532 metric) surface mount package

RoHS compliant and halogen-free

Key Reasons to Choose This Product

Reliable and safe overcurrent protection for your electronic devices

Compact size allows for efficient space utilization in your designs

Meets stringent AEC-Q200 automotive requirements for quality and reliability

Versatile application in a wide range of industries and products

Quality and Safety Features

UL and TUV safety agency approvals

Compliant with RoHS and halogen-free requirements

Designed and manufactured to the highest quality standards

Compatibility

The 1812L075/24DR is compatible with a wide range of electronic devices and circuits that require overcurrent and overtemperature protection, including:

Consumer electronics

Industrial equipment

Automotive applications

Telecommunications equipment

Power supplies and chargers

Application Areas

Overcurrent and overtemperature protection for electronic circuits

Safeguarding against short circuits and overloads

Protecting sensitive components from damage

Ensuring reliable and safe operation of electronic devices

Product Lifecycle

The 1812L075/24DR is an active and currently available product. There are no immediate plans for discontinuation, and it remains a viable solution for the intended applications. If you require an alternative or equivalent model, please contact our website's sales team for the most up-to-date information and recommendations.

Parts with Similar Specifications

The three parts on the right have similar specifications to Littelfuse Inc. 1812L075/24DR

Product Attribute 1812L075/24DR 1812L110/33MR 1812L110/16DR 1812L050PR
Part Number 1812L075/24DR 1812L110/33MR 1812L110/16DR 1812L050PR
Manufacturer Littelfuse Inc. Littelfuse Inc. Littelfuse Inc. Littelfuse Inc.
Height - Seated (Max) - - - -
Type Polymeric Polymeric Polymeric Polymeric
Current - Trip (It) 1.5 A 1.95 A 1.95 A 1 A
Resistance - Post Trip (R1) (Max) 290 mOhms 200 mOhms 180 mOhms 1 Ohms
Current - Max 100 A 20 A 100 A 100 A
Package / Case 1812 (4532 Metric), Concave 1812 (4532 Metric), Concave 1812 (4532 Metric), Concave 1812 (4532 Metric), Concave
Series POLY-FUSE®, 1812L POLY-FUSE®, 1812L POLY-FUSE®, 1812L POLY-FUSE®, 1812L
Current - Hold (Ih) (Max) 750 mA 1.1 A 1.1 A 500 mA
Approval Agency cURus, TUV cURus, TUV cURus, TUV cURus, TUV
Package Tape & Reel (TR) Tape & Reel (TR) Tape & Reel (TR) Tape & Reel (TR)
Ratings AEC-Q200 - - -
Resistance - Initial (Ri) (Min) 110 mOhms 60 mOhms 60 mOhms 150 mOhms
Time to Trip 200 ms 500 ms 300 ms 150 ms
Size / Dimension 0.179" L x 0.128" W (4.55mm x 3.24mm) 0.179' L x 0.128' W (4.55mm x 3.24mm) 0.179" L x 0.128" W (4.55mm x 3.24mm) 0.179" L x 0.128" W (4.55mm x 3.24mm)
Thickness (Max) 0.061" (1.55mm) 0.079' (2.00mm) 0.049" (1.25mm) 0.030" (0.75mm)
Mounting Type Surface Mount Surface Mount Surface Mount Surface Mount
Lead Spacing - - - -
Voltage - Max 24V 33V 16V 15V
Operating Temperature -40°C ~ 85°C -40°C ~ 85°C -40°C ~ 85°C -40°C ~ 85°C

1812L075/24DR Datasheet PDF

Download 1812L075/24DR pdf datasheets and Littelfuse Inc. documentation for 1812L075/24DR - Littelfuse Inc..

HTML Datasheet
1812L Series Datasheet.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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1812L075/24DR Image

1812L075/24DR

Littelfuse Inc.
32D-1812L075/24DR

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