Name: MF-R300-AP
Brand: Bourns Inc.
SKU: MF-R300-AP
Availability: InStock
Rating: 5 (151 reviews)

MF-R300-AP

For Reference Only

Part Number	MF-R300-AP
Manufacturer	Bourns Inc.
Description	FUSE PTC RESETTABLE
Datasheet	MF-R300-AP Datasheet MF-R300-AP Specifications
Package	Radial, Disc
ECAD
In Stock	8,442 piece(s)
Unit Price	Request a Quote
Lead Time	To be Confirmed
Estimated Delivery Time	Jul 1 - Jul 6 (Choose Expedited Shipping)
Request for Quotation

Payment Methods
Delivery Services

Part Number # MF-R300-AP (PTC Resettable Fuses) is manufactured by Bourns Inc. and distributed by Heisener. Being one of the leading electronics distributors, we carry many kinds of electronic components from some of the world’s top class manufacturers. Their quality is guaranteed by its stringent quality control to meet all required standards.

For MF-R300-AP specifications/configurations, quotation, lead time, payment terms of further enquiries please have no hesitation to contact us. To process your RFQ, please add MF-R300-AP with quantity into BOM. Heisener.com does NOT require any registration to request a quote of MF-R300-AP.

MF-R300-AP Specifications

Manufacturer	Bourns Inc.
Category	Circuit Protection - PTC Resettable Fuses
Package	Radial, Disc
ECAD
Series	Multifuse?, MF-R
Type	Polymeric
Voltage - Max	30V
Current - Max	40A
Current - Hold (Ih) (Max)	3A
Current - Trip (It)	6A
Time to Trip	10.8s
Resistance - Initial (Ri) (Min)	20 mOhms
Resistance - Post Trip (R1) (Max)	80 mOhms
Resistance - 25°C (Typ)	-
Operating Temperature	-40°C ~ 85°C
Ratings	-
Mounting Type	Through Hole
Package / Case	Radial, Disc
Size / Dimension	0.472" L x 0.118" W (12.00mm x 3.00mm)
Height - Seated (Max)	0.720" (18.30mm)
Thickness (Max)	-
Lead Spacing	0.201" (5.10mm)

MF-R300-AP Datasheet

MF-R300-AP Reviews

Ayle*****hare

April 6, 2023

★ ★ ★ ★ ★

So far all the items still work. I'm using these for some home made solar panels and they're doing great.

Das*****arton

March 14, 2023

★ ★ ★ ★ ★

Packing good, very happy with goods, Very fast delivery, good service. Thanks

Geor*****ehta

March 11, 2023

★ ★ ★ ★ ★

Sure appreciate your service high standard, expertise and skills. Thanks Much!!!

Elizab*****llegos

March 2, 2023

★ ★ ★ ★ ★

Your prices are low and your website is customer-use friendly.

Khlo*****ndsey

February 25, 2023

★ ★ ★ ★ ★

They work great exactly what I needed.

Xiom*****Hodges

February 23, 2023

★ ★ ★ ★ ★

Your technical assistance and professionalism cannot be complained!

Write a Review

★★★★★

Not Rated

Thanks for Your Review!

MF-R300-AP Packaging

MF-R300-AP FAQ

1. How to order MF-R300-AP on Heisener?

Currently, Heisener only provide peer-to-peer order processing. While you submit the RFQ, our professional agent will contact you with the competitive prices in the global market, and our agent will prompt you to finish the order if you accept our offers.
2. How does Heisener guarantee that MF-R300-AP is from the original manufacturer or authorized agents?

We have a professional and experienced quality control team to strictly verify and test the MF-R300-AP. All suppliers must pass our qualification reviews before they can publish their products including MF-R300-AP on Heisener; we pay more attention to the channels and quality of MF-R300-AP products than any other customer. We strictly implement supplier audits, so you can purchase with confidence.
3. Are the MF-R300-AP price and inventory displayed accurate?

The price and inventory of MF-R300-AP fluctuates frequently and cannot be updated in time, it will be updated periodically within 24 hours. And, our quotation usually expires after 5 days.
4. What forms of payment are accepted?

Wire Transfer, PayPal, Alipay, Wechat, Credit Card, Western Union, MoneyGram, and Escrow are all acceptable.

Warm Tips: Some orders in certain payment forms may require handling fee.
5. How is the shipping arranged?

Customers can choose industry-leading freight companies, including DHL, UPS, FedEx, TNT, and Registered Mail. Shipping insurance is also available.

Once your order has been processed for shipment, our salesperson will send you an email advising you of the shipping status and tracking number.

Warm Tips: It may take up to 24 hours for the carriers to display tracking information. Usually, express delivery takes 3-5 days, and registered mail takes 25-60 days.
6. What is the process for return or replacement of MF-R300-AP?

All goods will implement Pre-Shipment Inspection (PSI), selected at random from all batches of your order to do a systematic inspection before arranging the shipment. If there is something wrong with the MF-R300-AP we delivered, we will accept the replacement or return of the MF-R300-AP only when all of the below conditions are fulfilled:

(1)Such as a deficiency in quantity, delivery of wrong items, and apparent external defects (breakage and rust, etc.), and we acknowledge such problems.

(2)We are informed of the defect described above within 90 days after the delivery of MF-R300-AP.

(3)The PartNo is unused and only in the original unpacked packaging.

Two processes to return the products:

(1)Inform us within 90 days

(2)Obtain Requesting Return Authorizations
7.How to contact us to get technical supports, such as MF-R300-AP pin diagram, MF-R300-AP datasheet?

If you need any after-sales service, please do not hesitate to contact us.

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MF-R300-AP Guarantees

Service Guarantees

We guarantee 100% customer satisfaction.

Our experienced sales team and tech support team back our services to satisfy all our customers.

Quality Guarantees

We provide 90 days warranty.

If the items you received were not in perfect quality, we would be responsible for your refund or replacement, but the items must be returned in their original condition.

Global Supply Chains - Reliable and Authorized Distributor Resources

Part Number	Manufacturer	Description	Stock
MF-R300-2 D# E02:0323_00123967	Bourns Inc	PTC Resettable Fuse 3A(hold) 6A(trip) 30V 40A 2W 10.8s 0.02Ohm Radial 12 X 3 X 18.3mm T/R Automotive RoHS: Compliant	0
MF-R300 D# E02:0323_00123931	Bourns Inc	PTC Resettable Fuse 3A(hold) 6A(trip) 30V 40A 2W 10.8s 0.02Ohm Radial 12 X 3 X 18.3mm Bulk Automotive RoHS: Compliant	0
MF-R300-AP D# V36:1790_06254362	Bourns Inc	PTC Resettable Fuse 3A(hold) 6A(trip) 30V 40A 2W 10.8s 0.02Ohm Radial 12 X 3 X 18.3mm Ammo Automotive RoHS: Compliant	0
MF-R300-0-99 D# V99:2348_06254360	Bourns Inc	PTC Resettable Fuse 3A(hold) 6A(trip) 30V 40A 2W 10.8s 0.02Ohm Radial 12 X 3 X 18.3mm Bag Automotive RoHS: Compliant	0
MF-R300-AP-14 D# V36:1790_23984451	Bourns Inc	PTC RESETTABLE 3.0A 30V RADIAL LEADED	0

Part Number	Manufacturer	Description	Stock
MF-R300-AP-14 D# MF-R300-AP-14	Bourns Inc	PTC Resettable Fuse 40A 10.8s 30V 0.02 Ohm 2-Pin Radial Ammo Pack - Ammo Pack (Alt: MF-R300-AP-14)	0
MF-R300-2 D# 05B2559	Bourns Inc	PTC Resettable Fuse 40A 30V T/R - Product that comes on tape, but is not reeled (Alt: 05B2559) RoHS: Compliant	0
MF-R300-AP D# MF-R300-AP	Bourns Inc	PTC Resettable Fuse 40A 30V Ammo Pack - Ammo Pack (Alt: MF-R300-AP) RoHS: Compliant	0
MF-R300	Bourns Inc	PTC Resettable Fuse 40A 30V Bulk - Bulk RoHS: Compliant	0

Part Number

Manufacturer

Description

Stock

MF-R300

D# MF-R300

Bourns Inc

PTC Resettable Fuse 40A 30V Bulk (Alt: MF-R300)

MF-R300-2

D# MF-R300-2

Bourns Inc

PTC Resettable Fuse 40A 30V T/R (Alt: MF-R300-2)

Part Number	Manufacturer	Description	Stock
MF-R300-AP D# MF-R300-AP	Bourns Inc	PTC Resettable Fuse 40A 30V Ammo Pack (Alt: MF-R300-AP) RoHS: Compliant	0
MF-R300 D# MF-R300	Bourns Inc	PTC Resettable Fuse 40A 30V Bulk (Alt: MF-R300) RoHS: Compliant	0
MF-R300-2 D# MF-R300-2	Bourns Inc	PTC Resettable Fuse 40A 30V T/R (Alt: MF-R300-2) RoHS: Compliant	0
MF-R300-AP-14 D# MF-R300-AP-14	Bourns Inc	PTC Resettable Fuse 40A 10.8s 30V 0.02 Ohm 2-Pin Radial Ammo Pack (Alt: MF-R300-AP-14) RoHS: Compliant	0

Part Number

Manufacturer

Description

Stock

MF-R300

Bourns Inc

307

MF-R300-2

Bourns Inc

653

Part Number	Manufacturer	Description	Stock
MF-R300	Bourns Inc	Min Qty 7	3000
MF-R300-0-99	Bourns Inc	Lead time 35	2000
MF-R300-2	Bourns Inc	PTC Resettable Fuse 3A(hold) 6A(trip) 30V 40A 2W 10.8s 0.02Ohm Radial 12 X 3 X 18.3mm T/R	0
MF-R300-AP	Bourns Inc	PTC Resettable Fuse 3A(hold) 6A(trip) 30V 40A 2W 10.8s 0.02Ohm Radial 12 X 3 X 18.3mm Ammo Pack	4000

Part Number

Manufacturer

Description

Stock

MF-R300

Bourns Inc

30V 6A Through Hole PTC Resettable Fuses RoHS

5288

Part Number	Manufacturer	Description	Stock
MF-R300 D# MF-R300-ND	Bourns Inc	PTC RESET FUSE 30V 3A RADIAL	7393
MF-R300-0-99 D# MF-R300-0-99-ND	Bourns Inc	PTC RESET FUSE 30V 3A RADIAL	0
MF-R300-AP-99 D# MF-R300-AP-99-ND	Bourns Inc	PTC RESET FUSE 30V 3A RADIAL	0
MF-R300-AP D# 118-MF-R300-APCT-ND	Bourns Inc	PTC RESET FUSE 30V 3A RADIAL	2949
MF-R300-2 D# MF-R300-2CT-ND	Bourns Inc	PTC RESET FUSE 30V 3A RADIAL	5090

Part Number

Manufacturer

Description

Stock

MF-R300-2

D# 2921509

Bourns Inc

PTC RESETTABLE FUSE, 3A, 30VDC

RoHS: Compliant

Min Qty: 1

Container: Cut Tape

2410

MF-R300

D# 2132373

Bourns Inc

FUSE, PTC RESET, 30V, 3A, RADIAL

RoHS: Compliant

Min Qty: 1

Container: Each

1860

Part Number

Manufacturer

Description

Stock

MF-R300

D# C208487

Bourns Inc

5258

Part Number

Manufacturer

Description

Stock

MF-R300

Bourns Inc

in stock - can ship the same day

280

Part Number	Manufacturer	Description	Stock
MF-R300	Bourns Inc	PTC Resettable Fuse 3A(hold) 6A(trip) 30V 40A 2W 10.8s 0.02Ohm Radial 12 X 3 X 18.3mm Bulk Automotive RoHS: Compliant	5720
MF-R300-AP-14	Bourns Inc	RoHS: Not Compliant	0
MF-R300-0-99	Bourns Inc	PTC Resettable Fuse 3A(hold) 6A(trip) 30V 40A 2W 10.8s 0.02Ohm Radial 12 X 3 X 18.3mm Bag Automotive RoHS: Compliant	1872
MF-R300-AP-99	Bourns Inc	PTC Resettable Fuse 3A(hold) 6A(trip) 30V 40A 2W 10.8s 0.02Ohm Radial 12 X 3 X 18.3mm Ammo Automotive RoHS: Compliant	4000
MF-R300-2	Bourns Inc	PTC Resettable Fuse 3A(hold) 6A(trip) 30V 40A 2W 10.8s 0.02Ohm Radial 12 X 3 X 18.3mm T/R Automotive RoHS: Compliant	10388

Part Number

Manufacturer

Description

Stock

MF-R300

Bourns Inc

OEM/CM Immediate delivery

1000

Part Number	Manufacturer	Description	Stock
MF-R300 D# 652-MFR300	Bourns Inc	Resettable Fuses - PPTC 30v Max 40Amps Max Hold 3.0 Trip 6.0 RoHS: Compliant	3191
MF-R300-AP D# 652-MF-R300-AP	Bourns Inc	Resettable Fuses - PPTC 3A 30V 0.02ohm Hold 3.0 Trip 6.0 RoHS: Compliant	9833
MF-R300-0-99 D# 652-MFR300-LF	Bourns Inc	Resettable Fuses - PPTC 3A 30V RoHS: Compliant	1123
MF-R300-2 D# 652-MF-R300-2	Bourns Inc	Resettable Fuses - PPTC 3A 30V 0.02ohm Hold 3.0 Trip 6.0 RoHS: Compliant	4674

Part Number

Manufacturer

Description

Stock

MF-R300-AP-14

D# XSKDRABA0101865

Bourns Inc

PTC Resettable Fuse, Radial, 40A 30V

3000

Part Number	Manufacturer	Description	Stock
MF-R300-0-99 D# 61J7414	Bourns Inc	FUSE, PTC RESET, 30V, 3A, RADIAL, Product Range:MF-R Series, Voltage Rating:30VDC, Holding Current:3A, Tripping Current:6A, Time to Trip:10.8s, Fuse Shape:Rectangular, Current Rating Max:40A, Lead Spacing:5.1mm, Diameter:- RoHS Compliant: Yes RoHS: Compliant Min Qty: 6000 Container: Bulk	10
MF-R300-AP-14 D# 34AH1251	Bourns Inc	PTC RESETTABLE 3.0A 30V RADIAL LEADED / Ammo Pack RoHS: Not Compliant Min Qty: 3000 Container: Bulk	0
MF-R300-2 D# 06X6351	Bourns Inc	FUSE, RESETTABLE PTC, 30V, 3A, RADIAL, Thermistor Mounting:Through Hole, Product Range:MF-R Series, Holding Current:3A, Tripping Current:6A, Voltage Rating:30V, Operating Temperature Min:-40°C, Operating Temperature Max:85°C, RoHS Compliant: Yes RoHS: Compliant Min Qty: 3000 Container: TAPE & REEL - FULL	0
MF-R300-AP D# 05B2556	Bourns Inc	Resettable Fuse, PTC, Thermistor, Holding Current 3.00 Ampere, Tripping Current 6.00 Ampere, Reset Time 10.8 Seconds RoHS: Not Compliant Min Qty: 3000 Container: TAPE & REEL - FULL	0
MF-R300 D# 58K1843	Bourns Inc	FUSE, PTC RESET, 30V, 3A, RADIAL, Product Range:MF-R Series, Voltage Rating:30VDC, Holding Current:3A, Tripping Current:6A, Time to Trip:10.8s, Fuse Shape:Rectangular, Current Rating Max:40A, Lead Spacing:5.1mm, Diameter:- RoHS Compliant: Yes RoHS: Compliant Min Qty: 1 Container: Bulk	1860

Part Number	Manufacturer	Description	Stock
MF-R300-0-99 D# NS-MF-R300-0-99	Bourns Inc	OEM/CM ONLY	1801
MF-R300 D# NS-MF-R300	Bourns Inc	OEM/CM ONLY	7627
MF-R300-AP D# NS-MF-R300-AP	Bourns Inc	OEM/CM ONLY	5297
MF-R300-2 D# NS-MF-R300-2	Bourns Inc	OEM/CM ONLY	8581

Part Number	Manufacturer	Description	Stock
MF-R300-0-99	Bourns Inc	PTC Resettable Fuse 3A(hold) 6A(trip) 30V 40A 2W 10.8s 0.02Ohm Radial 12 X 3 X 18.3mm Bag Automotive RoHS: Compliant	1872
MF-R300-AP-14	Bourns Inc	RoHS: Not Compliant	0
MF-R300-AP-99	Bourns Inc	PTC Resettable Fuse 3A(hold) 6A(trip) 30V 40A 2W 10.8s 0.02Ohm Radial 12 X 3 X 18.3mm Ammo Automotive RoHS: Compliant	4000
MF-R300-2	Bourns Inc	PTC Resettable Fuse 3A(hold) 6A(trip) 30V 40A 2W 10.8s 0.02Ohm Radial 12 X 3 X 18.3mm T/R Automotive RoHS: Compliant	10388
MF-R300-AP	Bourns Inc	PTC Resettable Fuse 3A(hold) 6A(trip) 30V 40A 2W 10.8s 0.02Ohm Radial 12 X 3 X 18.3mm Ammo Automotive RoHS: Compliant	0
MF-R300	Bourns Inc	PTC Resettable Fuse 3A(hold) 6A(trip) 30V 40A 2W 10.8s 0.02Ohm Radial 12 X 3 X 18.3mm Bulk Automotive RoHS: Compliant	5720

Part Number

Manufacturer

Description

Stock

MF-R300

Bourns Inc

RESISTOR, TEMPERATURE DEPENDENT, PTC RESETTABLE FUSE, THROUGH HOLE MOUNT

MF-R300-2

Bourns Inc

RESISTOR, TEMPERATURE DEPENDENT, PTC RESETTABLE FUSE, THROUGH HOLE MOUNT

522

Part Number

Manufacturer

Description

Stock

MF-R300

D# 6478572P

Bourns Inc

Bourns 3A Hold current, Radial Leaded PCB Mount Resettable Fuse, 30V, BG

Min Qty: 10

Container: Bag

5900

Part Number	Manufacturer	Description	Stock
MFR300AP	Bourns Inc	OEM/CM ONLY	1016
MFR300AP14	Bourns Inc	OEM/CM ONLY	3095
MFR300AP99	Bourns Inc	OEM/CM ONLY	191

Part Number

Manufacturer

Description

Stock

MF-R300

Bourns Inc

IN stock Immediate delivery

995

Part Number

Manufacturer

Description

Stock

MF-R300

Bourns Inc

Resettable Fuses - PPTC 30v Max 40Amps Max Hold 3.0 Trip 6.0

pbFree: Pb-Free

MF-R300-2

Bourns Inc

Resettable Fuses - PPTC 3A 30V 0.02ohm Hold 3.0 Trip 6.0

pbFree: Pb-Free

Part Number

Manufacturer

Description

Stock

MF-R300-2

Bourns Inc

shipping today

2799696

MF-R300

Bourns Inc

shipping today

2799696

Part Number	Manufacturer	Description	Stock
MF-R300-2 D# 51526997	Bourns Inc	PTC Resettable Fuse 3A(hold) 6A(trip) 30V 40A 2W 10.8s 0.02Ohm Radial 12 X 3 X 18.3mm T/R Automotive RoHS: Compliant	0
MF-R300 D# 25841471	Bourns Inc	PTC Resettable Fuse 3A(hold) 6A(trip) 30V 40A 2W 10.8s 0.02Ohm Radial 12 X 3 X 18.3mm Bulk Automotive RoHS: Compliant	0
MF-R300-AP-99 D# 51563164	Bourns Inc	PTC Resettable Fuse 3A(hold) 6A(trip) 30V 40A 2W 10.8s 0.02Ohm Radial 12 X 3 X 18.3mm Ammo Automotive RoHS: Compliant	0
MF-R300-0-99 D# 51555024	Bourns Inc	PTC Resettable Fuse 3A(hold) 6A(trip) 30V 40A 2W 10.8s 0.02Ohm Radial 12 X 3 X 18.3mm Bag Automotive RoHS: Compliant	0

Part Number

Manufacturer

Description

Stock

MF-R300-0-99

Bourns Inc

RFQ

13644

MF-R300

mfr

RFQ

9200

Part Number

Manufacturer

Description

Stock

MF-R300

Bourns Inc

FUSE PTC RESETTABLE

4194

Part Number

Manufacturer

Description

Stock

MF-R300-2

D# 2921509

Bourns Inc

PTC RESETTABLE FUSE, 3A, 30VDC

RoHS: Compliant

Min Qty: 1

Container: Cut Tape

2410

MF-R300

D# 9350519

Bourns Inc

MULTIFUSE, RADIAL, 3A, 30V

RoHS: Compliant

Min Qty: 1

Container: Each

2615

Quick Inquiry

MF-R300-AP

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