X-On Electronics has gained recognition as a prominent supplier of LR4-73XF Resettable Fuses - PPTC across the USA, India, Europe, Australia, and various other global locations. LR4-73XF Resettable Fuses - PPTC are a product manufactured by Littelfuse. We provide cost-effective solutions for Resettable Fuses - PPTC, ensuring timely deliveries around the world.

LR4-73XF Littelfuse

LR4-73XF electronic component of Littelfuse
LR4-73XF Littelfuse
LR4-73XF Resettable Fuses - PPTC
LR4-73XF  Circuit Protection

Images are for reference only
See Product Specifications
Part No. LR4-73XF
Manufacturer: Littelfuse
Category: Resettable Fuses - PPTC
Description: Resettable Fuses - PPTC LR4-73XF
Datasheet: LR4-73XF 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)
20: USD 2.1125 ea
Line Total: USD 42.25 
Availability - 0
MOQ: 20  Multiples: 1
Pack Size: 1
Availability Price Quantity
0
Ship by Fri. 27 Jun to Thu. 03 Jul
MOQ : 20
Multiples : 1
20 : USD 2.1125
25 : USD 1.85
50 : USD 1.4
100 : USD 1.3375
250 : USD 1.2625
500 : USD 1.1985
1000 : USD 1.1475

0
Ship by Fri. 27 Jun to Thu. 03 Jul
MOQ : 34
Multiples : 1
34 : USD 1.0474

   
Manufacturer
Product Category
RoHS - XON
Icon ROHS
Hold Current
Current Rating - Max
Maximum Voltage
Mounting Style
Termination Style
Series
Operating Temperature Range
Packaging
Type
Brand
Factory Pack Quantity :
LoadingGif
 
Notes:- Show Stocked Products With Similar Attributes.

We are delighted to provide the LR4-73XF 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 LR4-73XF and other electronic components in the Resettable Fuses - PPTC category and beyond.

Image Part-Description
Stock Image 0216.500MXEP
Littelfuse Cartridge Fuses 250V .5A Fast Acting
Stock : 737
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 0235.500MXP
500 mA 250 V AC DC Fuse Cartridge, Glass Holder 5mm x 20mm
Stock : 1000
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 0218.032HXP
Cartridge Fuses 250V .032A Time Lag (Slo-Blo)
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 0229003.HXSP
3 A 250 V AC 125 V DC Fuse Cartridge, Glass Requires Holder 2AG, 5mm x 15mm
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 01070002Z
Littelfuse Fuse Clips Clip 916 Dia
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 022903.5MXP
Cartridge Fuses 3.5A 250V Tube,4.2x14.1mm 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.
Stock Image 02292.25HXP
2.25 A 250 V AC 125 V DC Fuse Cartridge, Glass Holder 2AG, 5mm x 15mm
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 0235.200MXP
Cartridge Fuses 250V .2A Fast Acting
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 0235002.VXP
Cartridge Fuses 250V 5X20mm P 2AMP
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 00713200
Pushbutton Switches Plunger Switch 2-Way N.C.
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 : 1430
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 : 18267
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 : 480
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 : 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 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.

PRODUCT: LR4-73XF PolySwitch DOCUMENT: SCD25853 PTC Devices PCN: E62269 Overcurrent Protection Device REV LETTER: D REV DATE: MAY 9, 2011 PAGE NO.: 1 OF 1 Specification Status: RELEASED Electrical Rating Voltage: 20V MAX Current: 100A MAX Nickel Leads: 0.125mm A C D E Tape: Polyester(White) 35mm Width Solder: Lead-free B F Lot Marking Ink Color (Green) Marking: Manufacturer s Mark ORIENTATION MARK(Blue) E7X Part Identification Lot Identification TABLE I. DIMENSIONS: A B C D E G MIN MAX MIN MAX MIN MAX MIN MAX MIN MAX MIN MAX mm: 45.4 47.6 7.9 8.5 0.6 1.0 4.6 6.2 4.6 6.2 5.9 6.1 in*: (1.79) (1.87) (0.31) (0.33) (0.02) (0.04) (0.18) (0.24) (0.18) (0.24) (0.23) (0.24) *Rounded off approximation TABLE II. PERFORMANCE RATINGS: (As measured in Muller Kelvin clips model BU-75K.) I HOLD CURRENT TRIP LIMITS TIME TO REFERENCE ONE-HOUR TRIPPED- TRIP RESISTANCE POST-TRIP STATE RESISTANCE POWER DISSIPATION AMPS AMPS AMPS AMPS AMPS SECONDS AT OHMS OHMS WATTS AT 20C AT 0C AT 20C AT 60C AT --C 20C,30.0A AT 20C AT 20C 20C, 20V HOLD HOLD TRIP HOLD TRIP HOLD TRIP HOLD TRIP TYP MAX MIN MAX MIN MAX TYP MAX 7.3 8.6 16.6 7.3 14.1 5.4 10.5 -- -- -- 5 0.008 0.011 0.008 0.015 -- 3.3 Agency Recognitions: UL, TUV, CSA Reference Documents: PS300 Precedence: This specification takes precedence over documents referenced herein. Effectivity: Reference documents shall be the issue in effect on the date of invitation for bid. CAUTION: Operation beyond the rated voltage or current may result in rupture, electrical arcing or flame. 2004, 2011 Tyco Electronics Corporation, a TE Connectivity Ltd. Company. All rights reserved.

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
Cole Hersee
HAMLIN
Hamlin Littelfuse
Hamlin / Littelfuse
Hamlin Inc
Hartland Controls / Littelfuse
LF
LF7
Littelfuse Teccor Sidactor Product
Littelfuse Wickmann Brand
Littelfuse / US Sensor
Littelfuse Inc
Littelfuse Inc.
Littelfuse Industrial Products
LITTELFUSE SEMITRON
LITTELFUSE WICKMANN
LITTELFUSE, INC.
Littelfuse/CVP
Little Fuse / Wickmann
Littlefuse
SSAC
SSAC Relays
TE Connectivity / Circuit Protection
Wickmann
WICKMANN USA
900-83489-0080-000 by NVIDIA – Jetson Tools & Supplies image

Jun 5, 2025
The NVIDIA 900-83489-0080-000 is a high-quality component in the Jetson Tools & Supplies line—ideal for AI development, robotics, and embedded edge computing. Built for reliability and seamless integration into professional environments.
Molex 39700-0103 Fixed Terminal Blocks by Xon Electronics image

Dec 5, 2024
Explore the Molex 39700-0103 Fixed Terminal Blocks, available at Xon Electronics across the USA, India, Australia, Europe, and more. These premium Molex Fixed Terminal Blocks feature a SPRG TERM BLK LP design with a 5.08mm pitch, 45° angle, 3 positions, and a vibrant green finish. Manufactured by M
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
M2012BB1W01 Toggle Switches by NKK – Rugged Electromechanical Control image

Apr 8, 2025
The M2012BB1W01 Toggle Switch by NKK Switches is a high-reliability electromechanical component designed for rugged industrial and commercial use. Featuring a DPDT configuration with ON-ON functionality, it supports 6A at 125VAC and 3A at 250VAC. Its panel mount design and silver contacts...

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