X-On Electronics has gained recognition as a prominent supplier of MF-R300 Resettable Fuses - PPTC across the USA, India, Europe, Australia, and various other global locations. MF-R300 Resettable Fuses - PPTC are a product manufactured by Bourns. We provide cost-effective solutions for Resettable Fuses - PPTC, ensuring timely deliveries around the world.

MF-R300 Bourns

MF-R300 electronic component of Bourns
MF-R300 Bourns
MF-R300 Resettable Fuses - PPTC
MF-R300  Circuit Protection

Images are for reference only
See Product Specifications
Part No. MF-R300
Manufacturer: Bourns
Category: Resettable Fuses - PPTC
Description: Resettable Fuses - PPTC 30v Max 40Amps Max Hold 3.0 Trip 6.0
Datasheet: MF-R300 Datasheet (PDF)
This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges



Price (USD)
1: USD 0.56 ea
Line Total: USD 0.56 
Availability - 1787
Ship by Wed. 11 Jun to Fri. 13 Jun
MOQ: 1  Multiples: 1
Pack Size: 1
Availability Price Quantity
2526
Ship by Fri. 13 Jun to Thu. 19 Jun
MOQ : 217
Multiples : 1
217 : USD 0.5769
500 : USD 0.4687
1000 : USD 0.4617
3000 : USD 0.4348
6000 : USD 0.4054
9000 : USD 0.3994
12000 : USD 0.3934
27000 : USD 0.3846

1787
Ship by Wed. 11 Jun to Fri. 13 Jun
MOQ : 1
Multiples : 1
1 : USD 0.56
10 : USD 0.4256
45 : USD 0.4172
50 : USD 0.3808
100 : USD 0.3794

1994
Ship by Fri. 13 Jun to Thu. 19 Jun
MOQ : 553
Multiples : 1
553 : USD 0.4706
594 : USD 0.4381
620 : USD 0.4194

2425
Ship by Fri. 13 Jun to Thu. 19 Jun
MOQ : 527
Multiples : 1
527 : USD 0.494
1042 : USD 0.45

   
Manufacturer
Product Category
Hold Current
Trip Current
Current Rating - Max
Maximum Voltage
Resistance
Mounting Style
Termination Style
Series
Lead Spacing
Minimum Operating Temperature
Maximum Operating Temperature
Packaging
Hts Code
LoadingGif
 
Notes:- Show Stocked Products With Similar Attributes.

We are delighted to provide the MF-R300 from our Resettable Fuses - PPTC category, at competitive rates not only in the United States, Australia, and India, but also across Europe and beyond. A long established and extensive electronic component distribution network has enhanced our global reach and dependability, ensuring cost savings through prompt deliveries worldwide. Client satisfaction is at the heart of our business, where every component counts and every customer matters. Our technical service team is ready to assist you. From product selection to after-sales support, we strive to deliver a seamless and satisfying experience. Are you ready to experience the best in electronic component distribution? Contact X-ON Electronics today and discover why X-On are a preferred choice for the MF-R300 and other electronic components in the Resettable Fuses - PPTC category and beyond.

Image Part-Description
Stock Image 1.5SMC15CA
TVS Diodes - Transient Voltage Suppressors 15V 1500W BiDir
Stock : 11246
This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.
Stock Image 2017-15-SMH-RPLF
Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 150V FLAT GDT Horizontal
Stock : 2563
This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.
Stock Image 1669-06
Surge Suppressors 2000pF Single Ended
Stock : 3
This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.
Stock Image 2036-60-SM-RPLF
Gas Discharge Tubes - GDTs / Gas Plasma Arrestors Sparkover100V/s 600V Miniature 3 Pole
Stock : 1448
This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.
Stock Image 2036-07-SMLF
Gas Discharge Tubes - GDTs / Gas Plasma Arrestors Sparkover100V/s 75V
Stock : 1290
This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.
Stock Image 1530-1D-W
Bourns Surge Suppressors ETHERNET PoE DIN MntGrnd Wire
Stock : 0
This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.
Stock Image 1110-331K-RC
High Current RF Choke Bobbin Core 330uH 10% 1KHz Ferrite 1.3A 336mOhm DCR RDL
Stock : 0
This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.
Stock Image 1250-2S-120
Surge Suppressors 120VAC 2W+G 2 Protected Poles
Stock : 33
This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.
Stock Image 1250-3S-230
Surge Suppressors 230VAC 3W+G 3 Protected Poles
Stock : 24
This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.
Stock Image 1130-101K-RC
High Current RF Choke Bobbin Core 100uH 10% 1KHz Ferrite 9A 34mOhm DCR RDL
Stock : 0
This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.
Image Part-Description
Stock Image 0ZCG0075AF2B
Resettable Fuses - PPTC
Stock : 4978
This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.
Stock Image MINIASMDC075F/24-2
Resettable Fuses - PPTC .75A 24V Mini SMD AEC-Q200
Stock : 0
This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.
Stock Image MF-S120
Resettable Fuses - PPTC 1.20A 15V 0.085ohm Hold 1.2A Trip 2.7A
Stock : 0
This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.
Stock Image 0ZCD0250FF2C
PTC Resettable Fuse 2.5A(hold) 5A(trip) 16VDC 40A 1.5W 16s 0.025Ohm SMD Solder Pad 2920 T/R
Stock : 0
This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.
Stock Image 0ZCG0030FF2C
Resettable Fuses - PPTC
Stock : 19732
This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.
Stock Image MF-R030
Resettable Fuses - PPTC 60v Max 40Amps Max Hold .30 Trip .60
Stock : 495
This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.
Stock Image RXEF020-2
Resettable Fuses - PPTC Radial Lead .2A 72V 40A Imax
Stock : 2769
This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.
Stock Image SMD1210P075TF
PTC Resettable Fuses 1210 RoHS
Stock : 0
This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.
Stock Image FRX025-60F
PTC Resettable Fuses Through Hole RoHS
Stock : 500
This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.
Stock Image BK16-600-SZ
PTC Resettable Fuses Through Hole,P=5.1mm RoHS
Stock : 0
This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.

The MF-R300 Resettable Fuses manufactured by Bourns provide overcurrent and short-circuit protection in high-power applications such as automotive and industrial power systems, sub-systems, and DC/DC converters. This fuse can operate at up to 30V and a maximum of 40 Amps. It has a maximum hold current of 3.0 Amps and a trip current of 6.0 Amps. It features a resettable fuse element that can be reset more than 100 times with no deterioration in performance. This feature makes it an ideal choice for applications with multiple cycles that are expected to experience relatively high current surges or other high-current events. The MF-R300 Resettable Fuse provides reliable performance in harsh environments and its robust construction ensures a high level of reliability.

Tariff Desc

8541.50.00 - Other semiconductor devices
42 No Other discrete (not IC) semiconductor devices
(PTC resettable fuses used to protect against overcurrent. Also known as a multifuse or polyfuse or polyswitch)

8536.10 FUSES AND FUSE HOLDERS, subminiature, plug in or pigtail type known as picofuses or microfuses, dimensions NOT exceeding 6mm x 18mm TC 8530773
Bourns Inc.
BOURNS JW MILLER
BR4
J.W. Miller
JW Miller
206305-1 Standard Circular Connector Retailer in India, USA image

Oct 16, 2024
The 206305-1 Standard Circular Connector by TE Connectivity is a 37-position plug with a shell size of 23, designed for demanding applications in aerospace, defense, industrial automation, and telecommunications. This high-performance connector offers gold-plated contacts for superior conductiv
82635AWGDVKPRQ Camera Module by Intel – Depth Sensing image

Jun 4, 2025
Intel’s 82635AWGDVKPRQ Camera Module features RealSense™ stereo depth sensing, full HD RGB, and USB 3.1—ideal for robotics, AI, and 3D vision in modern Optoelectronics and Cameras & Camera Modules applications.
G1G146-BA07-52 Blower – ebm-papst DC Centrifugal Fan image

May 23, 2025
ebm-papst G1G146-BA07-52 is a 24V DC centrifugal blower with EC motor, high airflow, and PWM control—ideal for thermal management in HVAC, inverters, and enclosures.
Revolutionizing Electronic Components Online Shopping Worldwide image

Aug 22, 2024
Discover X-On Electronic Pvt Ltd, a global leader in electronic components online shopping. Offering a vast selection of passive electronic components, basic components, DC-DC isolated converters, audio amplifier ICs, and more, X-On ensures high-quality products at competitive prices. With a user-f

Looking for help? Visit our FAQ's Section to answer to all your questions

 

X-ON Worldwide Electronics

Welcome To X-ON Electronics
For over three decades, we have been advocating and shaping the electronic components industry. Our management complements our worldwide business scope and focus. We are committed to innovation, backed by a strong business foundation. If you need a trustworthy supplier of electronic components for your business – look no further.
 

Copyright ©2025  X-ON Electronics Services. All rights reserved.
Please ensure you have read and understood our Terms & Conditions before purchasing. All prices exclude GST.

Image for all the cards that are accepted Image for all the cards that are accepted Image for all the cards that are accepted Image for all the cards that are accepted Image for all the cards that are accepted AS9120 Certified