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HomeProductsCircuit ProtectionPTC Resettable FusesMICROSMD110F-2
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MICROSMD110F-2 - Littelfuse Inc.

Manufacturer Part Number
MICROSMD110F-2
Manufacturer
Littelfuse
Allelco Part Number
32D-MICROSMD110F-2
ECAD Model
Parts Description
PTC RESET FUSE 6V 1.1A 1210
Package
1210 (3225 Metric), Concave
Data sheet
PolySwitch, SMD Catalog.pdf
microSMD110F Spec.pdf
RoHs Status
ROHS3 Compliant
Our certification
In stock: 240390

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Specifications

MICROSMD110F-2 Tech Specifications
Littelfuse Inc. - MICROSMD110F-2 technical specifications, attributes, parameters and parts with similar specifications to Littelfuse Inc. - MICROSMD110F-2

Product Attribute Attribute Value  
Manufacturer Littelfuse  
Voltage - Max 6V  
Type Polymeric  
Time to Trip 200 ms  
Thickness (Max) 0.019" (0.48mm)  
Size / Dimension 0.127" L x 0.102" W (3.22mm x 2.58mm)  
Series PolySwitch®, microSMD  
Resistance - Post Trip (R1) (Max) 210 mOhms  
Resistance - Initial (Ri) (Min) 70 mOhms  
Ratings -  
Product Attribute Attribute Value  
Package / Case 1210 (3225 Metric), Concave  
Package Tape & Reel (TR)  
Operating Temperature -40°C ~ 85°C  
Mounting Type Surface Mount  
Lead Spacing -  
Height - Seated (Max) -  
Current - Trip (It) 2.2 A  
Current - Max 40 A  
Current - Hold (Ih) (Max) 1.1 A  
Approval Agency CSA, TUV, UL  

Environmental & Export Classifications

ATTRIBUTE DESCRIPTION
RoHs Status ROHS3 Compliant
Moisture Sensitivity Level (MSL) 2A (4 Weeks)
REACH Status
ECCN EAR99
HTSUS 8533.40.8070

Parts Introduction

Manufacturer Part Number

MICROSMD110F-2

Manufacturer

littelfuse

Introduction

The MICROSMD110F-2 is a high-performance, polymeric positive temperature coefficient (PTC) resettable fuse from littelfuse. This device provides reliable circuit protection against overcurrent and overtemperature conditions, making it a suitable choice for a wide range of electronic applications.

Product Features and Performance

Polymeric PTC design for resettable overcurrent protection

Voltage rating up to 6V

Hold current (Ih) of 1.1A and trip current (It) of 2.2A

Maximum current rating of 40A

Fast time-to-trip of 200ms

Initial resistance (Ri) of at least 70mOhms and post-trip resistance (R1) of up to 210mOhms

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

Product Advantages

Reliable and self-healing protection against overcurrent and overtemperature conditions

Compact surface-mount package (1210/3225 metric) for space-constrained designs

Compliant with various safety agency approvals, including CSA, TUV, and UL

Key Reasons to Choose This Product

Robust circuit protection to safeguard sensitive electronic components

Compact size and surface-mount design for efficient board layout

Proven performance and reliability from a trusted manufacturer, Littelfuse

Approvals from leading safety agencies for increased design confidence

Quality and Safety Features

Compliant with various safety agency approvals, including CSA, TUV, and UL

Designed and manufactured to high-quality standards for reliable performance

Compatibility

The MICROSMD110F-2 is compatible with a wide range of electronic devices and circuits that require overcurrent and overtemperature protection.

Application Areas

Consumer electronics

Industrial equipment

Telecommunications equipment

Automotive electronics

Power supplies

Instrumentation and control systems

Product Lifecycle

The MICROSMD110F-2 is an active product and is currently available. There are no known equivalent or alternative models at this time. For the latest product information and availability, please contact our website's sales team.

Parts with Similar Specifications

The three parts on the right have similar specifications to Littelfuse Inc. MICROSMD110F-2

Product Attribute MICROSMD110F-2 MICROSMD200F-2 MICROSMD150F-2 MICROSMD190LR-2
Part Number MICROSMD110F-2 MICROSMD200F-2 MICROSMD150F-2 MICROSMD190LR-2
Manufacturer Littelfuse Inc. Littelfuse Inc. Littelfuse Inc. Littelfuse Inc.
Time to Trip 200 ms 2.5 s 1 s 4 s
Height - Seated (Max) - - - -
Ratings - - - -
Size / Dimension 0.127" L x 0.102" W (3.22mm x 2.58mm) 0.127" L x 0.102" W (3.22mm x 2.58mm) 0.127" L x 0.102" W (3.22mm x 2.58mm) 0.127' L x 0.102' W (3.22mm x 2.58mm)
Approval Agency CSA, TUV, UL CSA, TUV, UL CSA, TUV, UL CSA, UL
Current - Max 40 A 100 A 40 A 50 A
Type Polymeric Polymeric Polymeric Polymeric
Operating Temperature -40°C ~ 85°C -40°C ~ 85°C -40°C ~ 85°C -
Package / Case 1210 (3225 Metric), Concave 1210 (3225 Metric), Concave 1210 (3225 Metric), Concave 1210 (3225 Metric), Concave
Series PolySwitch®, microSMD PolySwitch®, microSMD PolySwitch®, microSMD PolySwitch®, LoRho
Current - Trip (It) 2.2 A 4 A 3 A 4.9 A
Package Tape & Reel (TR) Tape & Reel (TR) Tape & Reel (TR) Tape & Reel (TR)
Mounting Type Surface Mount Surface Mount Surface Mount Surface Mount
Thickness (Max) 0.019" (0.48mm) 0.046" (1.17mm) 0.048" (1.22mm) 0.039' (1.00mm)
Voltage - Max 6V 6V 6V 6V
Resistance - Initial (Ri) (Min) 70 mOhms 20 mOhms 40 mOhms 6 mOhms
Lead Spacing - - - -
Resistance - Post Trip (R1) (Max) 210 mOhms 60 mOhms 110 mOhms -
Current - Hold (Ih) (Max) 1.1 A 2 A 1.5 A 1.9 A

MICROSMD110F-2 Datasheet PDF

Download MICROSMD110F-2 pdf datasheets and Littelfuse Inc. documentation for MICROSMD110F-2 - Littelfuse Inc..

Datasheets
PolySwitch, SMD Catalog.pdf microSMD110F 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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MICROSMD110F-2 Image

MICROSMD110F-2

Littelfuse Inc.
32D-MICROSMD110F-2

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