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HomeProductsCircuit ProtectionPTC Resettable FusesMF-R050-0-99
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MF-R050-0-99 - Bourns Inc.

Manufacturer Part Number
MF-R050-0-99
Manufacturer
Bourns, Inc.
Allelco Part Number
32D-MF-R050-0-99
ECAD Model
Parts Description
PTC RESET FUSE 60V 500MA RADIAL
Package
Radial, Disc
Data sheet
MF-R Series.pdf
RoHs Status
ROHS3 Compliant
Our certification
In stock: 4150

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Payment method
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Specifications

MF-R050-0-99 Tech Specifications
Bourns Inc. - MF-R050-0-99 technical specifications, attributes, parameters and parts with similar specifications to Bourns Inc. - MF-R050-0-99

Product Attribute Attribute Value  
Manufacturer Bourns, Inc.  
Voltage - Max 60V  
Type Polymeric  
Time to Trip 4 s  
Thickness (Max) -  
Size / Dimension 0.311' Dia x 0.122' T (7.90mm x 3.10mm)  
Series Multifuse®, MF-R  
Resistance - Post Trip (R1) (Max) 1.17 Ohms  
Resistance - Initial (Ri) (Min) 410 mOhms  
Ratings -  
Package / Case Radial, Disc  
Product Attribute Attribute Value  
Package Bulk  
Operating Temperature -40°C ~ 85°C  
Mounting Type Through Hole  
Lead Spacing 0.201' (5.10mm)  
Height - Seated (Max) 0.539' (13.70mm)  
Current - Trip (It) 1 A  
Current - Max 40 A  
Current - Hold (Ih) (Max) 500 mA  
Base Product Number MF-R050  
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-R050-0-99

Manufacturer

bourns

Introduction

The Bourns MF-R050-0-99 is a polymeric PTC resettable fuse that provides overcurrent and overtemperature protection for a variety of electronic applications. It offers a compact design and reliable performance, making it a versatile solution for circuit protection needs.

Product Features and Performance

Voltage rating up to 60V

Hold current of 500mA

Trip current of 1A

Maximum current rating of 40A

Time to trip in 4 seconds

Initial resistance of 410mOhms

Post-trip resistance up to 1.17 Ohms

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

Product Advantages

Resettable design for easy circuit recovery after fault condition

Robust construction for reliable performance

Compact size for space-constrained applications

Approved for safety standards including cURus and TUV

Key Reasons to Choose This Product

Effective circuit protection against overcurrent and overtemperature events

Reliable and long-lasting performance to ensure the safety and integrity of your electronic devices

Versatile design suitable for a wide range of applications

Compliance with industry safety standards for peace of mind

Quality and Safety Features

Approved for cURus and TUV safety standards

Robust construction for reliable performance

Compatibility

The Bourns MF-R050-0-99 PTC resettable fuse is compatible with a variety of electronic devices and circuits that require overcurrent and overtemperature protection.

Application Areas

Consumer electronics

Industrial equipment

Power supplies

Telecommunications equipment

Automotive electronics

Product Lifecycle

The Bourns MF-R050-0-99 PTC resettable fuse is currently discontinued. However, there are equivalent or alternative models available from Bourns that offer similar features and performance. Customers are advised to contact our website's sales team for more information on available options and replacement recommendations.

Parts with Similar Specifications

The three parts on the right have similar specifications to Bourns Inc. MF-R050-0-99

Product Attribute MF-R050-0-99 MF-R025 MF-R135 MF-R020
Part Number MF-R050-0-99 MF-R025 MF-R135 MF-R020
Manufacturer Bourns Inc. Bourns Inc. Bourns Inc. Bourns Inc.
Current - Trip (It) 1 A 500 mA 2.7 A 400 mA
Lead Spacing 0.201' (5.10mm) 0.201' (5.10mm) 0.201' (5.10mm) 0.201' (5.10mm)
Height - Seated (Max) 0.539' (13.70mm) 0.500' (12.70mm) 0.744' (18.90mm) 0.500' (12.70mm)
Voltage - Max 60V 60V 30V 60V
Series Multifuse®, MF-R Multifuse®, MF-R Multifuse®, MF-R Multifuse®, MF-R
Approval Agency cURus, TUV cURus, TUV cURus, TUV cURus, TUV
Base Product Number MF-R050 MF-R0 MF-R135 MF-R0
Mounting Type Through Hole Through Hole Through Hole Through Hole
Operating Temperature -40°C ~ 85°C -40°C ~ 85°C -40°C ~ 85°C -40°C ~ 85°C
Current - Hold (Ih) (Max) 500 mA 250 mA 1.35 A 200 mA
Package / Case Radial, Disc Radial, Disc Radial, Disc Radial, Disc
Ratings - - - -
Package Bulk Bulk Bulk Bulk
Size / Dimension 0.311' Dia x 0.122' T (7.90mm x 3.10mm) 0.291' Dia x 0.122' T (7.40mm x 3.10mm) 0.350' Dia x 0.118' T (8.90mm x 3.00mm) 0.291' Dia x 0.122' T (7.40mm x 3.10mm)
Type Polymeric Polymeric Polymeric Polymeric
Current - Max 40 A 40 A 40 A 40 A
Resistance - Initial (Ri) (Min) 410 mOhms 1 Ohms 65 mOhms 1.5 Ohms
Thickness (Max) - - - -
Resistance - Post Trip (R1) (Max) 1.17 Ohms 3 Ohms 170 mOhms 4.4 Ohms
Time to Trip 4 s 2.5 s 7.3 s 2.2 s

MF-R050-0-99 Datasheet PDF

Download MF-R050-0-99 pdf datasheets and Bourns Inc. documentation for MF-R050-0-99 - Bourns Inc..

Datasheets
MF-R Series.pdf
Environmental Information
Bourns REACH.pdf MF-R Series Material Declaration.pdf RoHS MF-R, MF-RG, MF-RHT, MF-RM, MF-RX Series.pdf
PCN Design/Specification
Cylindrical Battery Holders.pdf
PCN Obsolescence/ EOL
Select Multifuse Parts With -99 Suffix 06/Jun/2018.pdf
PCN Packaging
Revised MOQ,MULT 30/May/2018.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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MF-R050-0-99 Image

MF-R050-0-99

Bourns Inc.
32D-MF-R050-0-99

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