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HomeProductsCircuit ProtectionPTC Resettable FusesMICROSMD050-2
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MICROSMD050-2 - Littelfuse Inc.

Manufacturer Part Number
MICROSMD050-2
Manufacturer
Littelfuse
Allelco Part Number
32D-MICROSMD050-2
ECAD Model
Parts Description
PTC RESET FUSE 13.2V 500MA 1210
Package
1210 (3225 Metric), Concave
Data sheet
nano,microSMDx Series Datasheet.pdf
Our certification
In stock: 4310

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Specifications

MICROSMD050-2 Tech Specifications
Littelfuse Inc. - MICROSMD050-2 technical specifications, attributes, parameters and parts with similar specifications to Littelfuse Inc. - MICROSMD050-2

Product Attribute Attribute Value  
Manufacturer Littelfuse  
Voltage - Max 13.2V  
Type Polymeric  
Time to Trip 50 ms  
Thickness (Max) 0.024" (0.62mm)  
Size / Dimension 0.127" L x 0.102" W (3.22mm x 2.58mm)  
Series PolySwitch®, microSMD  
Resistance - Post Trip (R1) (Max) 900 mOhms  
Resistance - Initial (Ri) (Min) 250 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) 1 A  
Current - Max 40 A  
Current - Hold (Ih) (Max) 500 mA  
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

MICROSMD050-2

Manufacturer

littelfuse

Introduction

The littelfuse MICROSMD050-2 is a compact, surface mount PTC resettable fuse designed for overcurrent and short-circuit protection in a variety of electronic devices. This product offers reliable circuit protection in a miniature package, making it suitable for space-constrained applications.

Product Features and Performance

Polymeric PTC resettable fuse design

Voltage rating of up to 13.2V

Hold current of 500mA and trip current of 1A

Maximum current rating of 40A

Fast time-to-trip of 50ms

Initial resistance of 250mOhms, post-trip resistance of 900mOhms

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

Product Advantages

Compact, space-saving design

Resettable protection against overcurrent and short-circuit events

Helps prevent permanent damage to sensitive electronic components

Reliable and long-lasting performance

Key Reasons to Choose This Product

Robust circuit protection in a miniature package

Ideal for space-constrained applications

Proven reliability and safety certifications

Cost-effective solution for overcurrent and short-circuit protection

Quality and Safety Features

CSA, TUV, and UL safety agency approvals

Manufactured to high-quality standards

Compatibility

This product is suitable for a wide range of electronic devices and applications that require compact, reliable circuit protection.

Application Areas

Consumer electronics

Industrial equipment

Telecommunications equipment

Automotive electronics

Power supplies

Product Lifecycle

The MICROSMD050-2 is an obsolete product. Customers are advised to contact our website's sales team for information on equivalent or alternative models that may be available.

Parts with Similar Specifications

The three parts on the right have similar specifications to Littelfuse Inc. MICROSMD050-2

Product Attribute MICROSMD050-2 MICROSMD010-2 MICROSMD110-2 MICROSMD010F-2
Part Number MICROSMD050-2 MICROSMD010-2 MICROSMD110-2 MICROSMD010F-2
Manufacturer Littelfuse Inc. Littelfuse Inc. Littelfuse Inc. Littelfuse Inc.
Thickness (Max) 0.024" (0.62mm) 0.019" (0.48mm) 0.019' (0.48mm) 0.033' (0.85mm)
Resistance - Initial (Ri) (Min) 250 mOhms 2.1 Ohms 70 mOhms 2.1 Ohms
Ratings - - - -
Current - Max 40 A 10 A 40 A 10 A
Series PolySwitch®, microSMD PolySwitch®, microSMD PolySwitch®, microSMD PolySwitch®, microSMD
Package Tape & Reel (TR) Tape & Reel (TR) Tape & Reel (TR) Tape & Reel (TR)
Voltage - Max 13.2V 30V 6V 30V
Approval Agency CSA, TUV, UL CSA, TUV, UL CSA, TUV, UL CSA, TUV, UL
Type Polymeric Polymeric Polymeric Polymeric
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 - - - -
Current - Hold (Ih) (Max) 500 mA 100 mA 1.1 A 100 mA
Current - Trip (It) 1 A 250 mA 2.2 A 250 mA
Resistance - Post Trip (R1) (Max) 900 mOhms 15 Ohms 210 mOhms 15 Ohms
Mounting Type Surface Mount Surface Mount Surface Mount Surface Mount
Package / Case 1210 (3225 Metric), Concave 1210 (3225 Metric), Concave 1210 (3225 Metric), Concave 1210 (3225 Metric), Concave
Operating Temperature -40°C ~ 85°C - -40°C ~ 85°C -40°C ~ 85°C
Time to Trip 50 ms 1 s 200 ms 1 s
Height - Seated (Max) - - - -

MICROSMD050-2 Datasheet PDF

Download MICROSMD050-2 pdf datasheets and Littelfuse Inc. documentation for MICROSMD050-2 - Littelfuse Inc..

Datasheets
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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MICROSMD050-2 Image

MICROSMD050-2

Littelfuse Inc.
32D-MICROSMD050-2

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