Name: MF-R040
Brand: Bourns Inc.
SKU: MF-R040
Availability: InStock
Rating: 5 (115 reviews)

MF-R040

For Reference Only

Part Number	MF-R040
Manufacturer	Bourns Inc.
Description	FUSE PTC RESETTABLE .4A HOLD
Datasheet	MF-R040 Datasheet MF-R040 Specifications
Package	Radial, Disc
ECAD
In Stock	24,000 piece(s)
Unit Price	Request a Quote
Lead Time	Can Ship Immediately
Estimated Delivery Time	Apr 18 - Apr 23 (Choose Expedited Shipping)
Request for Quotation

Payment Methods
Delivery Services

Part Number # MF-R040 (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-R040 specifications/configurations, quotation, lead time, payment terms of further enquiries please have no hesitation to contact us. To process your RFQ, please add MF-R040 with quantity into BOM. Heisener.com does NOT require any registration to request a quote of MF-R040.

MF-R040 Specifications

Manufacturer	Bourns Inc.
Category	Circuit Protection - PTC Resettable Fuses
Package	Radial, Disc
ECAD
Series	Multifuse?, MF-R
Type	Polymeric
Voltage - Max	60V
Current - Max	40A
Current - Hold (Ih) (Max)	400mA
Current - Trip (It)	800mA
Time to Trip	3.8s
Resistance - Initial (Ri) (Min)	520 mOhms
Resistance - Post Trip (R1) (Max)	1.29 Ohms
Resistance - 25°C (Typ)	-
Operating Temperature	-40°C ~ 85°C
Ratings	-
Mounting Type	Through Hole
Package / Case	Radial, Disc
Size / Dimension	0.291" Dia x 0.122" W (7.40mm x 3.10mm)
Height - Seated (Max)	0.539" (13.70mm)
Thickness (Max)	-
Lead Spacing	0.201" (5.10mm)

MF-R040 Datasheet

MF-R040 Reviews

Bria*****uhan

April 4, 2023

★ ★ ★ ★ ★

the parts work as they should. Amazing price perfect all round many thanks

Maxim***** Sarna

April 1, 2023

★ ★ ★ ★ ★

Thanks a lot! Ease of ordering and I love when they upgrade my shipping for free. What a nice thing to do.

Ko*****More

March 17, 2023

★ ★ ★ ★ ★

Does what it says. As with this this type of device it is important to have it mounted so that heat can dissipate. The higher the amperage the hotter the device.

Giann*****annan

March 1, 2023

★ ★ ★ ★ ★

They work great exactly what I needed.

Santi*****sparza

February 20, 2023

★ ★ ★ ★ ★

Well packed, good item, capacitors both within 2.5% tolerance!

Shan*****uilar

February 18, 2023

★ ★ ★ ★ ★

Work great, great price, I use a lot of them for battery chargers, not the first time ordered.

Write a Review

★★★★★

Not Rated

Thanks for Your Review!

MF-R040 Packaging

MF-R040 FAQ

1. How to order MF-R040 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-R040 is from the original manufacturer or authorized agents?

We have a professional and experienced quality control team to strictly verify and test the MF-R040. All suppliers must pass our qualification reviews before they can publish their products including MF-R040 on Heisener; we pay more attention to the channels and quality of MF-R040 products than any other customer. We strictly implement supplier audits, so you can purchase with confidence.
3. Are the MF-R040 price and inventory displayed accurate?

The price and inventory of MF-R040 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-R040?

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-R040 we delivered, we will accept the replacement or return of the MF-R040 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-R040.

(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-R040 pin diagram, MF-R040 datasheet?

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

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MF-R040 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-R040-2 D# V72:2272_06254284	Bourns Inc	PTC Resettable Fuse 0.4A(hold) 0.8A(trip) 60V 40A 0.55W 3.8s 0.52Ohm Radial 7.4 X 3.1mm T/R Automotive RoHS: Compliant	0
MF-R040-2-17 D# V36:1790_23984487	Bourns Inc	PTC RESETTABLE 0.4A 60V RADIAL LEADED	0
MF-R040-AP D# V72:2272_06254286	Bourns Inc	PTC Resettable Fuse 0.4A(hold) 0.8A(trip) 60V 40A 0.55W 3.8s 0.52Ohm Radial 7.4 X 3.1mm Ammo Automotive RoHS: Compliant	0
MF-R040 D# E02:0323_00123545	Bourns Inc	PTC Resettable Fuse 0.4A(hold) 0.8A(trip) 60V 40A 0.55W 3.8s 0.52Ohm Radial 7.4 X 3.1mm Bag Automotive RoHS: Compliant	0
MF-R040-0-17 D# V36:1790_23984486	Bourns Inc	PTC RESETTABLE 0.4A 60V RADIAL LEADED	0
MF-R040-AP-17 D# V36:1790_23984488	Bourns Inc	PTC RESETTABLE 0.4A 60V RADIAL LEADED	0
MF-R040-0-99 D# V99:2348_06254654	Bourns Inc	PTC Resettable Fuse 0.4A(hold) 0.8A(trip) 60V 40A 0.55W 3.8s 0.52Ohm Radial 7.4 X 3.1mm Bag Automotive RoHS: Compliant	0

Part Number	Manufacturer	Description	Stock
MF-R040-2-17 D# MF-R040-2-17	Bourns Inc	- Tape and Reel (Alt: MF-R040-2-17)	0
MF-R040-2 D# 05B2503	Bourns Inc	PTC Resettable Fuse 40A 60V T/R - Product that comes on tape, but is not reeled (Alt: 05B2503) RoHS: Compliant	0
MF-R040-AP D# MF-R040-AP	Bourns Inc	PTC Resettable Fuse 40A 60V Ammo Pack - Ammo Pack (Alt: MF-R040-AP) RoHS: Compliant	0
MF-R040-0-17 D# MF-R040-0-17	Bourns Inc	- Bulk (Alt: MF-R040-0-17)	0
MF-R040 D# MF-R040	Bourns Inc	PTC Resettable Fuse 40A 60V Bulk - Tape and Reel (Alt: MF-R040)	0
MF-R040-AP-17 D# MF-R040-AP-17	Bourns Inc	- Ammo Pack (Alt: MF-R040-AP-17)	0

Part Number

Manufacturer

Description

Stock

MF-R040

D# MF-R040

Bourns Inc

PTC Resettable Fuse 40A 60V Bulk (Alt: MF-R040)

Part Number	Manufacturer	Description	Stock
MF-R040-AP D# MF-R040-AP	Bourns Inc	PTC Resettable Fuse 40A 60V Ammo Pack (Alt: MF-R040-AP) RoHS: Compliant	0
MF-R040 D# MF-R040	Bourns Inc	PTC Resettable Fuse 40A 60V Bulk (Alt: MF-R040) RoHS: Compliant	0
MF-R040-2 D# MF-R040-2	Bourns Inc	PTC Resettable Fuse 40A 60V T/R (Alt: MF-R040-2) RoHS: Compliant	0

Part Number	Manufacturer	Description	Stock
RS60RB-040(CROSS: MF-R040)	OptiFuse		6000
MF-R040-AP-99	Bourns Inc		2000
MF-R040	Bourns Inc		298

Part Number

Manufacturer

Description

Stock

MF-R040

D# 50G1670

Bourns Inc

Part Number	Manufacturer	Description	Stock
MF-R040	Bourns Inc	Min Qty 500	7500
MF-R040-2-99	Bourns Inc	Min Qty 3000	0
MF-R040-AP	Bourns Inc	FUSE PTC RESETTABLE	0
MF-R040-AP-99	Bourns Inc	FUSE PTC RESETTABLE	0
MF-R040-0-99	Bourns Inc	Min Qty 1000	0
MF-R040-2	Bourns Inc	Min Qty 12	11685

Part Number	Manufacturer	Description	Stock
MF-R040-2-99 D# MF-R040-2-99TR-ND	Bourns Inc	PTC RESET FUSE 60V 400MA RADIAL	0
MF-R040-AP D# MF-R040-AP-ND	Bourns Inc	PTC RESET FUSE 60V 400MA RADIAL	0
MF-R040 D# MF-R040-ND	Bourns Inc	PTC RESET FUSE 60V 400MA RADIAL	7766
MF-R040-AP-99 D# MF-R040-AP-99-ND	Bourns Inc	PTC RESET FUSE 60V 400MA RADIAL	0
MF-R040-0-99 D# MF-R040-0-99-ND	Bourns Inc	PTC RESET FUSE 60V 400MA RADIAL	0
MF-R040-2 D# MF-R040-2CT-ND	Bourns Inc	PTC RESET FUSE 60V 400MA RADIAL	2779

Part Number

Manufacturer

Description

Stock

MF-R040

D# 9350411

Bourns Inc

MULTIFUSE, RADIAL, 0.4A, 60V

RoHS: Compliant

Min Qty: 5

Container: Each

8982

MF-R040-2

D# 2920149

Bourns Inc

PTC RESETTABLE FUSE, 0.4A, 60VDC

RoHS: Compliant

Min Qty: 1

Container: Cut Tape

1698

Part Number

Manufacturer

Description

Stock

MF-R040

Bourns Inc

In stock

298

Part Number

Manufacturer

Description

Stock

MF-R040-2-99

Bourns Inc

in stock - can ship the same day

1000

Part Number	Manufacturer	Description	Stock
MF-R040-2-99	Bourns Inc	PTC Resettable Fuse 0.4A(hold) 0.8A(trip) 60V 40A 0.55W 3.8s 0.52Ohm Radial 7.4 X 3.1mm T/R Automotive RoHS: Compliant	5197
MF-R040-AP-17	Bourns Inc	RoHS: Not Compliant	0
MF-R040-AP-99	Bourns Inc	PTC Resettable Fuse 0.4A(hold) 0.8A(trip) 60V 40A 0.55W 3.8s 0.52Ohm Radial 7.4 X 3.1mm Ammo Automotive RoHS: Compliant	8000
MF-R040	Bourns Inc	PTC Resettable Fuse 0.4A(hold) 0.8A(trip) 60V 40A 0.55W 3.8s 0.52Ohm Radial 7.4 X 3.1mm Bulk Automotive RoHS: Compliant	1823
MF-R040-2-17	Bourns Inc	RoHS: Not Compliant	0
MF-R040-2	Bourns Inc	PTC Resettable Fuse 0.4A(hold) 0.8A(trip) 60V 40A 0.55W 3.8s 0.52Ohm Radial 7.4 X 3.1mm T/R Automotive RoHS: Compliant	5848
MF-R040-0-99	Bourns Inc	PTC Resettable Fuse 0.4A(hold) 0.8A(trip) 60V 40A 0.55W 3.8s 0.52Ohm Radial 7.4 X 3.1mm Bag Automotive RoHS: Compliant	1500
MF-R040-0-17	Bourns Inc	RoHS: Not Compliant	0

Part Number

Manufacturer

Description

Stock

MF-R040

Bourns Inc

OEM/CM Immediate delivery

1000

Part Number	Manufacturer	Description	Stock
MF-R040 D# 652-MFR040	Bourns Inc	Resettable Fuses - PPTC 60v Max 40Amps Max Hold .40 Trip .80 RoHS: Compliant	3795
MF-R040-2-99 D# 652-MF-R040-2-99	Bourns Inc	Resettable Fuses - PPTC 0.40A 60V 0.52ohm Hold .4 Trip .8 RoHS: Compliant	2665
MF-R040-0-99 D# 652-MFR040-LF	Bourns Inc	Resettable Fuses - PPTC .4A 60V RoHS: Compliant	1084
MF-R040-2 D# 652-MF-R040-2	Bourns Inc	Resettable Fuses - PPTC 0.40A 60V 0.52ohm Hold .40 Trip .80 RoHS: Compliant	3223

Part Number

Manufacturer

Description

Stock

MF-R040

D# XSKDRABA0002192

Bourns Inc

PTC Resettable Fuse, Radial, 40A 60V Bulk

1500

MF-R040-2

D# XSKDRABA0002193

Bourns Inc

PTC Resettable Fuse, Radial, 40A 60V T/R

6000

Part Number	Manufacturer	Description	Stock
MF-R040. D# 27AC8881	Bourns Inc	FUSE, PTC RESET, 60V, 400mA, RADIAL, Product Range:MF-R Series, Voltage Rating:60VDC, Holding Current:400mA, Tripping Current:800mA, Time to Trip:3.8s, Fuse Shape:Round, Current Rating Max:40A, Lead Spacing:5.1mm, Diameter:7.4mm RoHS Compliant: Yes RoHS: Compliant Min Qty: 500 Container: TAPE & REEL - FULL	6527
MF-R040-2-17 D# 34AH1221	Bourns Inc	PTC RESETTABLE 0.4A 60V RADIAL LEADED / Tape & Reel - 13" reel RoHS: Not Compliant Min Qty: 3000 Container: Bulk	0
MF-R040-2 D# 05B2503	Bourns Inc	PTC RESETTABLE FUSE, 0.4A, 60VDC, Product Range:MF-R Series, Voltage Rating:60VDC, Holding Current:400mA, Tripping Current:800mA, Time to Trip:3.8s, Fuse Shape:Round, Current Rating Max:40A, Lead Spacing:5.1mm, Diameter:7.4mm RoHS Compliant: Yes RoHS: Compliant Min Qty: 1 Container: Cut Tape	1698
MF-R040-AP D# 05B2500	Bourns Inc	PTC RESETTABLE 0.4A 60V RADIAL LEADED / Ammo Pack RoHS: Not Compliant Min Qty: 4000 Container: TAPE & REEL - FULL	0
MF-R040-0-17 D# 34AH1220	Bourns Inc	PTC RESETTABLE 0.4A 60V RADIAL LEADED / Bulk, Bag Packaging RoHS: Not Compliant Min Qty: 3000 Container: Bulk	0
MF-R040 D# 58K1837	Bourns Inc	FUSE, PTC RESET, 60V, 400mA, RADIAL, Product Range:MF-R Series, Voltage Rating:60VDC, Holding Current:400mA, Tripping Current:800mA, Time to Trip:3.8s, Fuse Shape:Round, Current Rating Max:40A, Lead Spacing:5.1mm, Diameter:7.4mm RoHS Compliant: Yes RoHS: Compliant Min Qty: 1 Container: Bulk	2015
MF-R040-AP-17 D# 34AH1219	Bourns Inc	PTC RESETTABLE 0.4A 60V RADIAL LEADED / Ammo Pack RoHS: Not Compliant Min Qty: 4000 Container: Bulk	0

Part Number	Manufacturer	Description	Stock
MF-R040-2-99 D# NS-MF-R040-2-99	Bourns Inc	OEM/CM ONLY	4731
MF-R040-AP D# NS-MF-R040-AP	Bourns Inc	OEM/CM ONLY	6372
BON-MF-R040-0-99-SZ D# NS-BON-MF-R040-0-99-SZ	BOURNS	OEM/CM ONLY	7985
MF-R040-AP-99 D# NS-MF-R040-AP-99	Bourns Inc	OEM/CM ONLY	9307
MF-R040-2 D# NS-MF-R040-2	Bourns Inc	OEM/CM ONLY	5795
MF-R040-0-99 D# NS-MF-R040-0-99	Bourns Inc	OEM/CM ONLY	2616
MF-R040 D# NS-MF-R040	Bourns Inc	OEM/CM ONLY	5110

Part Number	Manufacturer	Description	Stock
MF-R040	Bourns Inc	PTC Resettable Fuse 0.4A(hold) 0.8A(trip) 60V 40A 0.55W 3.8s 0.52Ohm Radial 7.4 X 3.1mm Bulk Automotive RoHS: Compliant	1823
MF-R040-AP-17	Bourns Inc	RoHS: Not Compliant	0
MF-R040-AP-99	Bourns Inc	PTC Resettable Fuse 0.4A(hold) 0.8A(trip) 60V 40A 0.55W 3.8s 0.52Ohm Radial 7.4 X 3.1mm Ammo Automotive RoHS: Compliant	8000
MF-R040-2	Bourns Inc	PTC Resettable Fuse 0.4A(hold) 0.8A(trip) 60V 40A 0.55W 3.8s 0.52Ohm Radial 7.4 X 3.1mm T/R Automotive RoHS: Compliant	5848
MF-R040-2-17	Bourns Inc	RoHS: Not Compliant	0
MF-R040-0-99	Bourns Inc	PTC Resettable Fuse 0.4A(hold) 0.8A(trip) 60V 40A 0.55W 3.8s 0.52Ohm Radial 7.4 X 3.1mm Bag Automotive RoHS: Compliant	1500
MF-R040-AP	Bourns Inc	PTC Resettable Fuse 0.4A(hold) 0.8A(trip) 60V 40A 0.55W 3.8s 0.52Ohm Radial 7.4 X 3.1mm Ammo Automotive RoHS: Compliant	0
MF-R040-0-17	Bourns Inc	RoHS: Not Compliant	0
MF-R040-2-99	Bourns Inc	PTC Resettable Fuse 0.4A(hold) 0.8A(trip) 60V 40A 0.55W 3.8s 0.52Ohm Radial 7.4 X 3.1mm T/R Automotive RoHS: Compliant	5197

Part Number

Manufacturer

Description

Stock

MF-R040

Bourns Inc

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

319

Part Number

Manufacturer

Description

Stock

MF-R040

D# 6478471P

Bourns Inc

Bourns 0.4A Hold current, Radial Leaded PCB Mount Resettable Fuse, 60V, BG

Min Qty: 10

Container: Bag

3172

Part Number	Manufacturer	Description	Stock
MFR040AP99	Bourns Inc	OEM/CM ONLY	2016
MFR0402	Bourns Inc	OEM/CM ONLY	5115
MFR040	Bourns Inc	OEM/CM ONLY	65017
MFR040299	Bourns Inc	OEM/CM ONLY	39016
MFR040099	Bourns Inc	OEM/CM ONLY	33016

Part Number

Manufacturer

Description

Stock

MF-R040

Bourns Inc

IN stock Immediate delivery

995

Part Number

Manufacturer

Description

Stock

MF-R040

Bourns Inc

Resettable Fuses - PPTC 60v Max 40Amps Max Hold .40 Trip .80

pbFree: Pb-Free

MF-R040-2

Bourns Inc

Resettable Fuses - PPTC 0.40A 60V 0.52ohm Hold .40 Trip .80

pbFree: Pb-Free

Part Number

Manufacturer

Description

Stock

MF-R040-2

Bourns Inc

shipping today

2799696

MF-R040

Bourns Inc

shipping today

2799696

Part Number	Manufacturer	Description	Stock
MF-R040-AP-99 D# 51563052	Bourns Inc	PTC Resettable Fuse 0.4A(hold) 0.8A(trip) 60V 40A 0.55W 3.8s 0.52Ohm Radial 7.4 X 3.1mm Ammo Automotive RoHS: Compliant	0
MF-R040-2 D# 51509186	Bourns Inc	PTC Resettable Fuse 0.4A(hold) 0.8A(trip) 60V 40A 0.55W 3.8s 0.52Ohm Radial 7.4 X 3.1mm T/R Automotive RoHS: Compliant	0
MF-R040-AP D# 46356285	Bourns Inc	PTC Resettable Fuse 0.4A(hold) 0.8A(trip) 60V 40A 0.55W 3.8s 0.52Ohm Radial 7.4 X 3.1mm Ammo Automotive RoHS: Compliant	0
MF-R040 D# 53124335	Bourns Inc	PTC Resettable Fuse 0.4A(hold) 0.8A(trip) 60V 40A 0.55W 3.8s 0.52Ohm Radial 7.4 X 3.1mm Bag Automotive RoHS: Compliant	0
MF-R040-2-99 D# 51517217	Bourns Inc	PTC Resettable Fuse 0.4A(hold) 0.8A(trip) 60V 40A 0.55W 3.8s 0.52Ohm Radial 7.4 X 3.1mm T/R Automotive RoHS: Compliant	0
MF-R040-0-99 D# 31954822	Bourns Inc	PTC Resettable Fuse 0.4A(hold) 0.8A(trip) 60V 40A 0.55W 3.8s 0.52Ohm Radial 7.4 X 3.1mm Bag Automotive RoHS: Compliant	0

Part Number

Manufacturer

Description

Stock

MF-R040

mfr

RFQ

860

Part Number

Manufacturer

Description

Stock

MF-R040

Bourns Inc

FUSE PTC RESETTABLE

7891

Part Number	Manufacturer	Description	Stock
MF-R040 D# 9350411	Bourns Inc	MULTIFUSE, RADIAL, 0.4A, 60V RoHS: Compliant Min Qty: 1 Container: Each	7157
MF-R040-0-99 D# 1843615	Bourns Inc	FUSE, PTC RESET, 60V, 400mA, RADIAL RoHS: Compliant Min Qty: 1 Container: Each	0
MF-R040-2 D# 2920149	Bourns Inc	PTC RESETTABLE FUSE, 0.4A, 60VDC RoHS: Compliant Min Qty: 1 Container: Cut Tape	1698

Quick Inquiry

MF-R040

Certified Quality

Heisener's commitment to quality has shaped our processes for sourcing, testing, shipping, and every step in between. This foundation underlies each component we sell.

ISO9001:2015, ICAS, IAF, UKAS