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HomeProductsCircuit ProtectionPTC Resettable FusesMICROSMD175F-2
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MICROSMD175F-2 - Littelfuse Inc.

Manufacturer Part Number
MICROSMD175F-2
Manufacturer
Littelfuse
Allelco Part Number
32D-MICROSMD175F-2
ECAD Model
Parts Description
PTC RESET FUSE 6V 1.75A 1210
Package
1210 (3225 Metric), Concave
Data sheet
PolySwitch, SMD Catalog.pdf
microSMD175F Spec.pdf
RoHs Status
ROHS3 Compliant
Our certification
In stock: 160470

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Specifications

MICROSMD175F-2 Tech Specifications
Littelfuse Inc. - MICROSMD175F-2 technical specifications, attributes, parameters and parts with similar specifications to Littelfuse Inc. - MICROSMD175F-2

Product Attribute Attribute Value  
Manufacturer Littelfuse  
Voltage - Max 6V  
Type Polymeric  
Time to Trip 800 ms  
Thickness (Max) 0.030" (0.76mm)  
Size / Dimension 0.127" L x 0.102" W (3.22mm x 2.58mm)  
Series PolySwitch®, microSMD  
Resistance - Post Trip (R1) (Max) 80 mOhms  
Resistance - Initial (Ri) (Min) 25 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) 3.5 A  
Current - Max 40 A  
Current - Hold (Ih) (Max) 1.75 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

MICROSMD175F-2

Manufacturer

littelfuse

Introduction

The MICROSMD175F-2 is a high-performance, surface-mount, polymeric positive temperature coefficient (PPTC) resettable fuse from Littelfuse. It is designed to provide reliable protection for a wide range of electronic devices and applications, offering overcurrent and overtemperature protection.

Product Features and Performance

Polymeric design for reliable and consistent trip performance

Low resistance for minimal voltage drop during normal operation

Fast time-to-trip characteristics for effective protection

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

Compact 1210 (3225 Metric) package size

Product Advantages

Provides robust and dependable circuit protection

Helps prevent damage to sensitive electronic components

Automatically resets after the fault condition is removed

Compact size allows for easy integration into space-constrained designs

Compliant with various safety agency approvals (CSA, TUV, UL)

Key Reasons to Choose This Product

Reliable and consistent overcurrent and overtemperature protection

Compact and space-saving design for versatile application

Proven performance and safety certifications for peace of mind

Cost-effective solution for circuit protection needs

Quality and Safety Features

Meets safety agency approvals for reliable and safe operation

Robust construction for long-term reliability and durability

Consistent performance and trip characteristics

Compatibility

The MICROSMD175F-2 is designed for surface-mount application and can be integrated into a wide range of electronic devices and systems requiring circuit protection.

Application Areas

Consumer electronics

Industrial equipment

Telecommunications infrastructure

Automotive electronics

Power supplies and chargers

Product Lifecycle

The MICROSMD175F-2 is an active product, and Littelfuse does not have any plans for discontinuation at this time. There are no direct equivalent or alternative models available, but customers are advised to contact our website's sales team for the latest information and product availability.

Parts with Similar Specifications

The three parts on the right have similar specifications to Littelfuse Inc. MICROSMD175F-2

Product Attribute MICROSMD175F-2 MICROSMD200F-2 MICROSMD150F-2 MICROSMD250LR-A-2
Part Number MICROSMD175F-2 MICROSMD200F-2 MICROSMD150F-2 MICROSMD250LR-A-2
Manufacturer Littelfuse Inc. Littelfuse Inc. Littelfuse Inc. Littelfuse Inc.
Ratings - - - -
Series PolySwitch®, microSMD PolySwitch®, microSMD PolySwitch®, microSMD PolySwitch®, LoRho
Thickness (Max) 0.030" (0.76mm) 0.046" (1.17mm) 0.048" (1.22mm) 0.039' (1.00mm)
Resistance - Post Trip (R1) (Max) 80 mOhms 60 mOhms 110 mOhms -
Voltage - Max 6V 6V 6V 6V
Operating Temperature -40°C ~ 85°C -40°C ~ 85°C -40°C ~ 85°C -
Mounting Type Surface Mount Surface Mount Surface Mount Surface Mount
Resistance - Initial (Ri) (Min) 25 mOhms 20 mOhms 40 mOhms 5 mOhms
Current - Max 40 A 100 A 40 A 50 A
Time to Trip 800 ms 2.5 s 1 s 5 s
Package Tape & Reel (TR) Tape & Reel (TR) Tape & Reel (TR) Tape & Reel (TR)
Approval Agency CSA, TUV, UL CSA, TUV, UL CSA, TUV, UL CSA, UL
Height - Seated (Max) - - - -
Package / Case 1210 (3225 Metric), Concave 1210 (3225 Metric), Concave 1210 (3225 Metric), Concave 1210 (3225 Metric), Concave
Current - Trip (It) 3.5 A 4 A 3 A 5.2 A
Current - Hold (Ih) (Max) 1.75 A 2 A 1.5 A 2.5 A
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)
Lead Spacing - - - -
Type Polymeric Polymeric Polymeric Polymeric

MICROSMD175F-2 Datasheet PDF

Download MICROSMD175F-2 pdf datasheets and Littelfuse Inc. documentation for MICROSMD175F-2 - Littelfuse Inc..

Datasheets
PolySwitch, SMD Catalog.pdf microSMD175F 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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MICROSMD175F-2

Littelfuse Inc.
32D-MICROSMD175F-2

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