Name: MF-LR550
Brand: Bourns Inc.
SKU: MF-LR550
Availability: InStock
Rating: 5 (73 reviews)

MF-LR550

For Reference Only

Part Number	MF-LR550
Manufacturer	Bourns Inc.
Description	FUSE RESETTABLE LOW RESISTANCE
Datasheet	MF-LR550 Datasheet MF-LR550 Specifications
Package	Strap
ECAD
In Stock	12,168 piece(s)
Unit Price	Request a Quote
Lead Time	To be Confirmed
Estimated Delivery Time	May 22 - May 27 (Choose Expedited Shipping)
Request for Quotation

Payment Methods
Delivery Services

Part Number # MF-LR550 (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-LR550 specifications/configurations, quotation, lead time, payment terms of further enquiries please have no hesitation to contact us. To process your RFQ, please add MF-LR550 with quantity into BOM. Heisener.com does NOT require any registration to request a quote of MF-LR550.

MF-LR550 Specifications

Manufacturer	Bourns Inc.
Category	Circuit Protection - PTC Resettable Fuses
Package	Strap
ECAD
Series	Multifuse?, MF-LR
Type	Polymeric
Voltage - Max	10V
Current - Max	100A
Current - Hold (Ih) (Max)	5.5A
Current - Trip (It)	10.5A
Time to Trip	5s
Resistance - Initial (Ri) (Min)	9 mOhms
Resistance - Post Trip (R1) (Max)	22 mOhms
Resistance - 25°C (Typ)	-
Operating Temperature	-40°C ~ 85°C
Ratings	-
Mounting Type	User Defined
Package / Case	Strap
Size / Dimension	1.417" L x 0.283" W (36.00mm x 7.20mm)
Height - Seated (Max)	-
Thickness (Max)	0.039" (1.00mm)
Lead Spacing	-

MF-LR550 Datasheet

MF-LR550 Reviews

Colte*****gherty

April 8, 2023

★ ★ ★ ★ ★

Your technical assistance and professionalism cannot be complained!

Lai*****Sahni

March 28, 2023

★ ★ ★ ★ ★

On time and as described, fast delivery. Would definitely buy again. Thx.

Rya*****rady

March 27, 2023

★ ★ ★ ★ ★

Boundless range of products, ease of search and fast delivery continue to impress. Heisener is always my first stop for electronic components.

Syl***** Rama

March 26, 2023

★ ★ ★ ★ ★

Fast delivery well packed and as described.

Leif*****oney

March 24, 2023

★ ★ ★ ★ ★

These were delivered very quickly and are fantastic selection of products.

Amand*****llips

March 22, 2023

★ ★ ★ ★ ★

Purchased this in May and didn't use it until last week. worked and all was good.

Vaugh*****donald

March 5, 2023

★ ★ ★ ★ ★

EVERY OK ...GOOD ITEM AND SUPERFAST SHIPPING

Write a Review

★★★★★

Not Rated

Thanks for Your Review!

MF-LR550 Packaging

MF-LR550 FAQ

1. How to order MF-LR550 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-LR550 is from the original manufacturer or authorized agents?

We have a professional and experienced quality control team to strictly verify and test the MF-LR550. All suppliers must pass our qualification reviews before they can publish their products including MF-LR550 on Heisener; we pay more attention to the channels and quality of MF-LR550 products than any other customer. We strictly implement supplier audits, so you can purchase with confidence.
3. Are the MF-LR550 price and inventory displayed accurate?

The price and inventory of MF-LR550 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-LR550?

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-LR550 we delivered, we will accept the replacement or return of the MF-LR550 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-LR550.

(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-LR550 pin diagram, MF-LR550 datasheet?

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

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VJ1210A100JBRAT4X	Vishay Vitramon, CAP CER 10PF 1.5KV NP0 1210, 1210 (3225 Metric), Multifuse?, MF-LR	View
S-1206B49-M3T1U	SII Semiconductor Corporation, IC REG LINEAR 250MA SOT23-3, TO-236-3, SC-59, SOT-23-3, Multifuse?, MF-LR	View
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RN55C4701BBSL	Vishay Dale, RES 4.7K OHM 1/8W .1% AXIAL, Axial, Multifuse?, MF-LR	View
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RPC0805JT27K0	Stackpole Electronics Inc., RES SMD 27K OHM 5% 1/4W 0805, 0805 (2012 Metric), Multifuse?, MF-LR	View
ERJ-PA3F3922V	Panasonic Electronic Components, RES SMD 39.2K OHM 1% 1/4W 0603, 0603 (1608 Metric), Multifuse?, MF-LR	View
SLW-116-01-T-D	Samtec Inc., CONN RCPT .100" 32POS DUAL TIN, -, Multifuse?, MF-LR	View
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MF-LR550 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-LR550

D# V99:2348_06254118

Bourns Inc

PTC Resettable Fuse 5.5A(hold) 10.5A(trip) 10V 100A 1.4W 5s 0.009Ohm SMD Solder Pad 23.6 X 7.5 X 1mm Bulk

RoHS: Compliant

MF-LR550/20-0

D# V36:1790_21593162

Bourns Inc

MF-LR Series PTC Resettable Fuses

Part Number

Manufacturer

Description

Stock

MF-LR550

D# MF-LR550

Bourns Inc

PTC Resettable Fuse 100A 10V Bulk - Bulk (Alt: MF-LR550)

MF-LR550/20-0

D# MF-LR550/20-0

Bourns Inc

PTC Resettable Fuse 100A 5s 20V 0.009Ohm 2-Pin SMD T/R - Bulk (Alt: MF-LR550/20-0)

RoHS: Not Compliant

Part Number

Manufacturer

Description

Stock

MF-LR550

D# MF-LR550

Bourns Inc

PTC Resettable Fuse 100A 10V Bulk (Alt: MF-LR550)

RoHS: Compliant

Part Number

Manufacturer

Description

Stock

RALR-550(CROSS: MF-LR-550)

OptiFuse

5000

Part Number

Manufacturer

Description

Stock

MF-LR550S

Bourns Inc

FUSE RESETTABLE LOW RESISTANCE

MF-LR550

Bourns Inc

FUSE RESETTABLE LOW RESISTANCE

Part Number

Manufacturer

Description

Stock

MF-LR550

D# MF-LR550-ND

Bourns Inc

PTC RESET FUSE 10V 5.5A STRAP

2106

MF-LR550S

D# MF-LR550S-ND

Bourns Inc

PTC RESET FUSE 10V 5.5A STRAP

Part Number

Manufacturer

Description

Stock

MF-LR550/20-0

Bourns Inc

RoHS: Not Compliant

Part Number

Manufacturer

Description

Stock

MF-LR550

D# 10C0157

Bourns Inc

PTC RESETTABLE 5.5A 10V AXIAL STRAP / Bulk, Bag Packaging

RoHS: Not Compliant

Min Qty: 2000

Container: Bulk

MF-LR550/20-0

D# 52AC4888

Bourns Inc

PTC RESETTABLE 5.5A 20V AXIAL STRAP / Bulk, Bag Packaging

RoHS: Not Compliant

Min Qty: 2000

Container: Bulk

Part Number

Manufacturer

Description

Stock

MF-LR550S

D# NS-MF-LR550S

Bourns Inc

OEM/CM ONLY

2895

MF-LR550

D# NS-MF-LR550

BOURNS

OEM/CM ONLY

1766

Part Number

Manufacturer

Description

Stock

MF-LR550

Bourns Inc

PTC Resettable Fuse 5.5A(hold) 10.5A(trip) 10V 100A 1.4W 5s 0.009Ohm SMD Solder Pad 23.6 X 7.5 X 1mm Bulk

RoHS: Compliant

MF-LR550/20-0

Bourns Inc

RoHS: Not Compliant

Part Number

Manufacturer

Description

Stock

MF-LR550

D# MF-LR550

Bourns Inc

Fuse

2000

Part Number

Manufacturer

Description

Stock

MFLR550

Bourns Inc

OEM/CM ONLY

21820

Part Number

Manufacturer

Description

Stock

MF-LR550

Bourns Inc

Resettable Fuses - PPTC 5.5A 10V 0.009ohm Axial

pbFree: Pb-Free

Part Number

Manufacturer

Description

Stock

MF-LR550

D# 25841408

Bourns Inc

PTC Resettable Fuse 5.5A(hold) 10.5A(trip) 10V 100A 1.4W 5s 0.009Ohm SMD Solder Pad 23.6 X 7.5 X 1mm Bulk

RoHS: Compliant

Quick Inquiry

MF-LR550

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.

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