Name: MF-R040-2
Brand: Bourns Inc.
SKU: MF-R040-2
Availability: InStock
Rating: 5 (129 reviews)

MF-R040-2

For Reference Only

Part Number	MF-R040-2
Manufacturer	Bourns Inc.
Description	FUSE PTC RESETTABLE
Datasheet	MF-R040-2 Datasheet MF-R040-2 Specifications
Package	Radial, Disc
ECAD
In Stock	28,578 piece(s)
Unit Price	Request a Quote
Lead Time	To be Confirmed
Estimated Delivery Time	May 30 - Jun 4 (Choose Expedited Shipping)
Request for Quotation

Payment Methods
Delivery Services

Part Number # MF-R040-2 (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-R040-2 specifications/configurations, quotation, lead time, payment terms of further enquiries please have no hesitation to contact us. To process your RFQ, please add MF-R040-2 with quantity into BOM. Heisener.com does NOT require any registration to request a quote of MF-R040-2.

MF-R040-2 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-R040-2 Datasheet

MF-R040-2 Reviews

Giana*****andez

April 8, 2023

★ ★ ★ ★ ★

Everything perfect. Great seller.

Rut*****har

March 29, 2023

★ ★ ★ ★ ★

It gives you a good quality product, with a great variety.. I will for sure order this set again when i start to run low

Brook*****Barry

March 24, 2023

★ ★ ★ ★ ★

I've made a few purchases from Heisener and always get a friendly technician helped me with locate what I was looking for. That kind of attitude is greatly appreciated.

Mais*****uller

March 20, 2023

★ ★ ★ ★ ★

Great item and excellent seller! Would highly recommend. Thank you. Trustworthy

Colt*****gupta

March 19, 2023

★ ★ ★ ★ ★

Not messy and easy to handle. I've used these professionally and for my self, and they never failed me.

Julian*****gomery

February 28, 2023

★ ★ ★ ★ ★

The parts as described and fast shipping. Thanks for the great service

Joce*****Durham

February 27, 2023

★ ★ ★ ★ ★

This is the best online shop to order electronic components. From a 30 cent item up to industrial, Customer Service is great. This company is so reliable and super easy to work with and ask questions. One CS agent even stayed after hours to get me an answer!

Write a Review

★★★★★

Not Rated

Thanks for Your Review!

MF-R040-2 Packaging

MF-R040-2 FAQ

1. How to order MF-R040-2 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-R040-2 is from the original manufacturer or authorized agents?

We have a professional and experienced quality control team to strictly verify and test the MF-R040-2. All suppliers must pass our qualification reviews before they can publish their products including MF-R040-2 on Heisener; we pay more attention to the channels and quality of MF-R040-2 products than any other customer. We strictly implement supplier audits, so you can purchase with confidence.
3. Are the MF-R040-2 price and inventory displayed accurate?

The price and inventory of MF-R040-2 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-R040-2?

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-R040-2 we delivered, we will accept the replacement or return of the MF-R040-2 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-R040-2.

(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-R040-2 pin diagram, MF-R040-2 datasheet?

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

MF-R040-2 Related Products

TPSY156K035R0250	AVX Corporation, CAP TANT 15UF 35V 10% 2917, 2917 (7343 Metric), Multifuse?, MF-R	View
Q8040J7TP	Littelfuse Inc., TRIAC ALTERNISTOR 800V TO218X, TO-218X-3 (Isolated), Multifuse?, MF-R	View
AT27C1024-55VI	Microchip Technology, IC OTP 1MBIT 55NS 40VSOP, 40-TFSOP (0.488", 12.40mm Width), Multifuse?, MF-R	View
XTEHVW-Q0-0000-00000H8F8	Cree Inc., LED XLAMP WARM WHITE 2850K 2SMD, 1414 (3535 Metric), Multifuse?, MF-R	View
SMBG7.5A-M3/52	Vishay Semiconductor Diodes Division, TVS DIODE 7.5VWM 12.9VC DO-215AA, DO-215AA, SMB Gull Wing, Multifuse?, MF-R	View
L-07W30NJV4T	Johanson Technology Inc., FIXED IND 30NH 400MA 300 MOHM, 0402 (1005 Metric), Multifuse?, MF-R	View
53887-1	TE Connectivity AMP Connectors, CONN ADAPTER MALE POWER LOCK, -, Multifuse?, MF-R	View
142-0302-401	Cinch Connectivity Solutions Johnson, CONN SMA JACK STR 50 OHM SOLDER, -, Multifuse?, MF-R	View
PRC.M0.8GL.LC52RZ	LEMO, RCPT INLINE 8SKT SLD CUP, -, Multifuse?, MF-R	View
D38999/26WC4JC-LC	Amphenol Aerospace Operations, CONN PLUG HSG FMALE 4POS INLINE, -, Multifuse?, MF-R	View
VE-26R-EY-F1	Vicor Corporation, CONVERTER MOD DC/DC 7.5V 50W, Full Brick, Multifuse?, MF-R	View
REC5-4805SRWZ/H/B/SMD	Recom Power, CONV DC/DC 5W 18-72VIN 05VOUT, 24-SMD Module, 18 Leads, Multifuse?, MF-R	View

MF-R040-2 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 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-R040-2 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-R040-0-99 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
MF-R040-2-17 D# V36:1790_23984487	Bourns Inc	PTC RESETTABLE 0.4A 60V RADIAL LEADED	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 D# MF-R040	Bourns Inc	PTC Resettable Fuse 40A 60V Bulk - Tape and Reel (Alt: MF-R040)	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

D# MF-R040

Bourns Inc

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

RoHS: Compliant

MF-R040-2

D# MF-R040-2

Bourns Inc

PTC Resettable Fuse 40A 60V T/R (Alt: MF-R040-2)

RoHS: Compliant

Part Number

Manufacturer

Description

Stock

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-R040-2	Bourns Inc	Min Qty 12	11685
MF-R040-0-99	Bourns Inc	Min Qty 1000	0

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

Part Number

Manufacturer

Description

Stock

MF-R040-2

D# 2920149

Bourns Inc

PTC RESETTABLE FUSE, 0.4A, 60VDC

RoHS: Compliant

Min Qty: 1

Container: Cut Tape

1698

MF-R040

D# 9350411

Bourns Inc

MULTIFUSE, RADIAL, 0.4A, 60V

RoHS: Compliant

Min Qty: 5

Container: Each

8982

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	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	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-R040-0-99	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-R040-2-99	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

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-R040-2 D# 652-MF-R040-2	Bourns Inc	Resettable Fuses - PPTC 0.40A 60V 0.52ohm Hold .40 Trip .80 RoHS: Compliant	3223
MF-R040-0-99 D# 652-MFR040-LF	Bourns Inc	Resettable Fuses - PPTC .4A 60V RoHS: Compliant	1084

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-R040-2-17 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 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

Part Number	Manufacturer	Description	Stock
MF-R040-2-99 D# NS-MF-R040-2-99	Bourns Inc	OEM/CM ONLY	4731
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-R040-2-17	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-R040-2-99	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-R040-2	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	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

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

MFR0402

Bourns Inc

OEM/CM ONLY

5115

MFR040299

Bourns Inc

OEM/CM ONLY

39016

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 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-R040-2 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-R040-0-99 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-R040-2 D# 2920149	Bourns Inc	PTC RESETTABLE FUSE, 0.4A, 60VDC RoHS: Compliant Min Qty: 1 Container: Cut Tape	1698
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

Quick Inquiry

MF-R040-2

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