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HomeProductsCircuit ProtectionPTC Resettable FusesMICROSMD110-2
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MICROSMD110-2 - Littelfuse Inc.

Manufacturer Part Number
MICROSMD110-2
Manufacturer
Littelfuse
Allelco Part Number
32D-MICROSMD110-2
ECAD Model
Parts Description
PTC RESET FUSE 6V 1.1A 1210
Package
1210 (3225 Metric), Concave
Data sheet
MicroSMD110 Spec.pdf
nano,microSMDx Series Datasheet.pdf
Our certification
In stock: 5490

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Specifications

MICROSMD110-2 Tech Specifications
Littelfuse Inc. - MICROSMD110-2 technical specifications, attributes, parameters and parts with similar specifications to Littelfuse Inc. - MICROSMD110-2

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 RoHS non-compliant
Moisture Sensitivity Level (MSL) 2A (4 Weeks)
REACH Status REACH Unaffected
ECCN EAR99
HTSUS 8533.40.8070

Parts Introduction

Manufacturer Part Number

MICROSMD110-2

Manufacturer

littelfuse

Introduction

The MICROSMD110-2 is a miniature polymeric positive temperature coefficient (PTC) resettable fuse from Littelfuse. It is designed for circuit protection in small electronic devices, providing overcurrent and overtemperature protection.

Product Features and Performance

Polymeric PTC resettable fuse

Compact 1210 (3225 Metric) surface mount package

Operating voltage up to 6V

Hold current of 1.1A, trip current of 2.2A

Fast time-to-trip of 200ms

Wide operating temperature range of -40°C to 85°C

Low initial resistance of 70mΩ, post-trip resistance of 210mΩ

Product Advantages

Compact size for space-constrained designs

Resettable protection, eliminating the need for replacement

Reliable overcurrent and overtemperature protection

RoHS compliant and halogen-free

Key Reasons to Choose This Product

Provides essential circuit protection in a small footprint

Offers robust and dependable performance for safety-critical applications

Simplifies design and reduces maintenance costs with its resettable functionality

Meets industry safety standards with UL, CSA, and TUV approvals

Quality and Safety Features

Meets industry safety standards with UL, CSA, and TUV approvals

RoHS compliant and halogen-free for environmentally-friendly use

Compatibility

The MICROSMD110-2 is compatible with a wide range of small electronic devices and equipment that require overcurrent and overtemperature protection.

Application Areas

Consumer electronics

Industrial control systems

Power supplies

Telecommunications equipment

Automotive electronics

Product Lifecycle

The MICROSMD110-2 is an obsolete product, meaning it is no longer in active production. However, there are equivalent or alternative models available from Littelfuse that can provide similar functionality and performance. Customers are advised to contact our website's sales team for more information on available options.

Parts with Similar Specifications

The three parts on the right have similar specifications to Littelfuse Inc. MICROSMD110-2

Product Attribute MICROSMD110-2 MICROSMD175F-2 MICROSMD150-2 MICROSMD075F-2
Part Number MICROSMD110-2 MICROSMD175F-2 MICROSMD150-2 MICROSMD075F-2
Manufacturer Littelfuse Inc. Littelfuse Inc. Littelfuse Inc. Littelfuse Inc.
Mounting Type Surface Mount Surface Mount Surface Mount Surface Mount
Current - Max 40 A 40 A 40 A 40 A
Package Tape & Reel (TR) Tape & Reel (TR) Tape & Reel (TR) Tape & Reel (TR)
Thickness (Max) 0.019' (0.48mm) 0.030" (0.76mm) 0.048" (1.22mm) 0.024' (0.62mm)
Type Polymeric Polymeric Polymeric Polymeric
Resistance - Post Trip (R1) (Max) 210 mOhms 80 mOhms 110 mOhms 400 mOhms
Voltage - Max 6V 6V 6V 6V
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)
Package / Case 1210 (3225 Metric), Concave 1210 (3225 Metric), Concave 1210 (3225 Metric), Concave 1210 (3225 Metric), Concave
Current - Trip (It) 2.2 A 3.5 A 3 A 1.5 A
Operating Temperature -40°C ~ 85°C -40°C ~ 85°C -40°C ~ 85°C -40°C ~ 85°C
Lead Spacing - - - -
Height - Seated (Max) - - - -
Resistance - Initial (Ri) (Min) 70 mOhms 25 mOhms 40 mOhms 110 mOhms
Time to Trip 200 ms 800 ms 1 s 100 ms
Current - Hold (Ih) (Max) 1.1 A 1.75 A 1.5 A 750 mA
Approval Agency CSA, TUV, UL CSA, TUV, UL CSA, TUV, UL CSA, TUV, UL
Series PolySwitch®, microSMD PolySwitch®, microSMD PolySwitch®, microSMD PolySwitch®, microSMD

MICROSMD110-2 Datasheet PDF

Download MICROSMD110-2 pdf datasheets and Littelfuse Inc. documentation for MICROSMD110-2 - Littelfuse Inc..

HTML Datasheet
MicroSMD110 Spec.pdf nano,microSMDx 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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MICROSMD110-2

Littelfuse Inc.
32D-MICROSMD110-2

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