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HomeProductsCircuit ProtectionPTC Resettable FusesMF-SM250-2
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MF-SM250-2 - Bourns Inc.

Manufacturer Part Number
MF-SM250-2
Manufacturer
Bourns, Inc.
Allelco Part Number
32D-MF-SM250-2
ECAD Model
Parts Description
PTC RESET FUSE 15V 2.5A 2SMD
Package
2-SMD
Data sheet
Multifuse Product Guide.pdf
MF-SM Series.pdf
RoHs Status
ROHS3 Compliant
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In stock: 173700

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Specifications

MF-SM250-2 Tech Specifications
Bourns Inc. - MF-SM250-2 technical specifications, attributes, parameters and parts with similar specifications to Bourns Inc. - MF-SM250-2

Product Attribute Attribute Value  
Manufacturer Bourns, Inc.  
Voltage - Max 15V  
Type Polymeric  
Time to Trip 25 s  
Thickness (Max) 0.118' (3.00mm)  
Size / Dimension 0.344' L x 0.264' W (8.75mm x 6.71mm)  
Series Multifuse®, MF-SM  
Resistance - Post Trip (R1) (Max) 85 mOhms  
Resistance - Initial (Ri) (Min) 24 mOhms  
Ratings AEC-Q200  
Package / Case 2-SMD  
Product Attribute Attribute Value  
Package Tape & Reel (TR)  
Operating Temperature -40°C ~ 85°C  
Mounting Type Surface Mount  
Lead Spacing -  
Height - Seated (Max) -  
Current - Trip (It) 5 A  
Current - Max 100 A  
Current - Hold (Ih) (Max) 2.5 A  
Base Product Number MF-SM  
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

MF-SM250-2

Manufacturer

Bourns

Introduction

The Bourns MF-SM250-2 is a high-performance Multifuse® PTC resettable fuse designed for circuit protection applications. This device offers robust overcurrent and overtemperature protection, ensuring reliable performance and safeguarding sensitive electronic components.

Product Features and Performance

Polymeric positive temperature coefficient (PPTC) technology

Rated voltage: 15V

Hold current (Ih): 2.5A

Trip current (It): 5A

Maximum current: 100A

Time to trip: 25 seconds

Initial resistance (Ri): 24mΩ

Post-trip resistance (R1): 85mΩ

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

AEC-Q200 qualified

Product Advantages

Reliable overcurrent and overtemperature protection

Automatic reset capability for easy system recovery

Compact surface mount package

RoHS-compliant and halogen-free materials

Key Reasons to Choose This Product

Robust circuit protection against overcurrent and overheating

Automatic reset function for hassle-free system recovery

Compact and space-saving design for efficient board layout

Compliance with industry standards for automotive and industrial applications

Quality and Safety Features

UL recognized (cURus) and TUV approved

Designed and manufactured to the highest quality standards

Compatibility

The Bourns MF-SM250-2 is compatible with a wide range of electronic devices and circuits, making it a versatile solution for various applications.

Application Areas

Automotive electronics

Industrial control systems

Power supplies

Consumer electronics

Telecommunications equipment

Product Lifecycle

The Bourns MF-SM250-2 is an active product, and there are no plans for discontinuation. Equivalent or alternative models are available, such as the MF-SM250-3 and MF-SM250-4, which offer slightly different current ratings and specifications. Customers are advised to contact our website's sales team for more information and to discuss their specific application requirements.

Parts with Similar Specifications

The three parts on the right have similar specifications to Bourns Inc. MF-SM250-2

Product Attribute MF-SM250-2 MF-SMDF150-2 MF-USMF010-2 MF-SM200-2
Part Number MF-SM250-2 MF-SMDF150-2 MF-USMF010-2 MF-SM200-2
Manufacturer Bourns Inc. Bourns Inc. Bourns Inc. Bourns Inc.
Approval Agency cURus, TUV cURus, TUV cURus, TUV cURus, TUV
Lead Spacing - - - -
Base Product Number MF-SM MF-SMDF MF-USMF MF-SM
Current - Max 100 A 40 A 10 A 100 A
Type Polymeric Polymeric Polymeric Polymeric
Package / Case 2-SMD 2018 (5045 Metric), Concave 1210 (3225 Metric), Concave 2-SMD
Operating Temperature -40°C ~ 85°C -40°C ~ 85°C -40°C ~ 85°C -40°C ~ 85°C
Resistance - Initial (Ri) (Min) 24 mOhms 50 mOhms 800 mOhms 45 mOhms
Ratings AEC-Q200 - AEC-Q200 AEC-Q200
Thickness (Max) 0.118' (3.00mm) 0.033' (0.85mm) 0.033" (0.85mm) 0.118" (3.00mm)
Current - Trip (It) 5 A 3 A 300 mA 4 A
Mounting Type Surface Mount Surface Mount Surface Mount Surface Mount
Package Tape & Reel (TR) Tape & Reel (TR) Tape & Reel (TR) Tape & Reel (TR)
Current - Hold (Ih) (Max) 2.5 A 1.5 A 100 mA 2 A
Time to Trip 25 s 800 ms 600 ms 12 s
Series Multifuse®, MF-SM Multifuse®, MF-SMDF Multifuse®, MF-USMF Multifuse®, MF-SM
Resistance - Post Trip (R1) (Max) 85 mOhms 170 mOhms 15 Ohms 125 mOhms
Voltage - Max 15V 15V 30V 15V
Size / Dimension 0.344' L x 0.264' W (8.75mm x 6.71mm) 0.200' L x 0.180' W (5.08mm x 4.58mm) 0.127" L x 0.102" W (3.22mm x 2.58mm) 0.344" L x 0.264" W (8.75mm x 6.71mm)
Height - Seated (Max) - - - -

MF-SM250-2 Datasheet PDF

Download MF-SM250-2 pdf datasheets and Bourns Inc. documentation for MF-SM250-2 - Bourns Inc..

Datasheets
Multifuse Product Guide.pdf MF-SM Series.pdf
Environmental Information
Bourns REACH.pdf RoHS MF-D, MF-SD, MF-SM, MF-SMHT Series.pdf
PCN Design/Specification
MF Cert Mark Aug/2015.pdf MF-SM(250), SMHT Series Cover Tape Nov/2010.pdf

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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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MF-SM250-2 Image

MF-SM250-2

Bourns Inc.
32D-MF-SM250-2

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