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Home Products Circuit Protection Fuses~~0456020.ER~~

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0456020.ER - Littelfuse Inc.

Manufacturer Part Number: 0456020.ER

Manufacturer: Littelfuse

Allelco Part Number: 32D-0456020.ER

ECAD Model

Parts Description: FUSE BOARD MNT 20A 125VAC 100VDC

Detailed Description

Package: 2-SMD, Square End Block

Data sheet: Cylindrical Battery Holders.pdf
Cylindrical Battery Holders.pdf

RoHs Status: ROHS3 Compliant

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In stock: 19020

Specifications

0456020.ER Tech Specifications
Littelfuse Inc. - 0456020.ER technical specifications, attributes, parameters and parts with similar specifications to Littelfuse Inc. - 0456020.ER

Product Attribute	Attribute Value
Manufacturer	Littelfuse
Voltage Rating - DC	100 V
Voltage Rating - AC	125 V
Size / Dimension	0.398' L x 0.123' W x 0.123' H (10.10mm x 3.12mm x 3.12mm)
Series	NANO²® 456
Response Time	Fast Blow
Package / Case	2-SMD, Square End Block
Package	Tape & Reel (TR)
Operating Temperature	-55°C ~ 125°C

Product Attribute	Attribute Value
Mounting Type	Surface Mount
Melting I²t	18
Fuse Type	Board Mount (Cartridge Style Excluded)
DC Cold Resistance	0.0023 Ohms
Current Rating (Amps)	20 A
Color	-
Breaking Capacity @ Rated Voltage	100A AC, 300A DC
Approval Agency	cULus, PSE

Parts Introduction

Manufacturer Part Number

Manufacturer

littelfuse

Introduction

The 0456020.ER is a surface mount fuse from littelfuse's NANO²® 456 series, specifically designed for circuit protection in electronic devices.

Product Features and Performance

Fast Blow response time for quick reaction in fault conditions

Board Mount (Cartridge Style Excluded) simplifies the installation process

Supports up to 20A Current Rating

Voltage Rating of 125V AC and 100V DC

High Breaking Capacity of 100A AC and 300A DC enhances safety

Very low DC Cold Resistance of 0.0023 Ohms for reduced power loss

Operating Temperature range from -55°C to 125°C for extreme environment applications

Product Advantages

Compact size (10.10mm x 3.12mm x 3.12mm) saves space on PCBs

Industry-standard approvals cULus and PSE ensure reliability and compliance

Tape & Reel packaging for efficient automated assembly

Key Technical Parameters

Current Rating: 20 A

Voltage Rating AC: 125 V

Voltage Rating DC: 100 V

Response Time: Fast Blow

Package / Case: 2-SMD, Square End Block

Melting I²t: 18

DC Cold Resistance: 0.0023 Ohms

Quality and Safety Features

High reliability confirmed by cULus and PSE certifications

Robust breaking capacity supports enhanced safety performance under fault conditions

Compatibility

Compatible with standard surface mount processes and equipment

Suited for applications requiring up to 20A current and 100V DC

Application Areas

Consumer Electronics

Automotive Systems

Industrial Equipment

Telecommunications

Product Lifecycle

Currently active with no planned discontinuation

Replacements and upgrades available as technology progresses

Several Key Reasons to Choose This Product

High reliability and safety with industry-standard certifications

Suitable for a broad range of applications due to versatile electrical ratings

Efficient assembly due to Tape & Reel packaging

Optimized for performance in harsh environments with a wide operating temperature range

Minimal power loss through low resistance design

Parts with Similar Specifications

The three parts on the right have similar specifications to Littelfuse Inc. 0456020.ER

Product Attribute
Part Number	0456020.ER	0454007.MR	0454003.MR	0454001.MR
Manufacturer	Littelfuse Inc.	Littelfuse Inc.	Littelfuse Inc.	Littelfuse Inc.
Fuse Type	Board Mount (Cartridge Style Excluded)	Board Mount (Cartridge Style Excluded)	Board Mount (Cartridge Style Excluded)	Board Mount (Cartridge Style Excluded)
Melting I²t	18	123.83	20.16	1.98
Breaking Capacity @ Rated Voltage	100A AC, 300A DC	50A	50A	50A
DC Cold Resistance	0.0023 Ohms	0.0105 Ohms	0.034 Ohms	0.225 Ohms
Response Time	Fast Blow	Slow Blow	Slow Blow	Slow Blow
Operating Temperature	-55°C ~ 125°C	-55°C ~ 125°C	-55°C ~ 125°C	-55°C ~ 125°C
Mounting Type	Surface Mount	Surface Mount	Surface Mount	Surface Mount
Series	NANO²® 456	NANO²® 454	NANO²® 454	NANO²® 454
Voltage Rating - AC	125 V	72 V	125 V	125 V
Size / Dimension	0.398' L x 0.123' W x 0.123' H (10.10mm x 3.12mm x 3.12mm)	0.240" L x 0.106" W x 0.106" H (6.10mm x 2.69mm x 2.69mm)	0.240' L x 0.106' W x 0.106' H (6.10mm x 2.69mm x 2.69mm)	0.240' L x 0.106' W x 0.106' H (6.10mm x 2.69mm x 2.69mm)
Package / Case	2-SMD, Square End Block	2-SMD, Square End Block	2-SMD, Square End Block	2-SMD, Square End Block
Color	-	-	-	-
Current Rating (Amps)	20 A	7 A	3 A	1 A
Package	Tape & Reel (TR)	Tape & Reel (TR)	Tape & Reel (TR)	Tape & Reel (TR)
Approval Agency	cULus, PSE	CSA, UL	CSA, PSE, UL	CSA, PSE, UL
Voltage Rating - DC	100 V	60 V	125 V	125 V

0456020.ER Datasheet PDF

Download 0456020.ER pdf datasheets and Littelfuse Inc. documentation for 0456020.ER - Littelfuse Inc..

Datasheets: Cylindrical Battery Holders.pdf
HTML Datasheet: Cylindrical Battery Holders.pdf

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Shipment

Delivery Time

In-stock items can be shipped within 24 hours. Some parts will be arranged for delivery within 1-2 days from the date all items arrive at our warehouse. And Allelco ships order once a day at about 17:00, except Sunday. Once the goods are shipped, the estimated delivery time depends on the shipping methods and Delivery destination. The table below shows are the logistic time for some common countries.

Delivery Cost

Use your express account for shipment if you have one.
Use our account for the shipment. Refer to the table below for the approximate charges.

(Different time frame / countries / package size has different price.)

Delivery Method

Global Common Shipment by DHL / UPS / FedEx / TNT / EMS / SF we support.
Others more shipping ways, please get in touch with your customer manager.

Common Countries Logistic Time Reference
Region	Country	Logistic Time(Day)
America	United States	5
America	Brazil	7
Europe	Germany	5
	United Kingdom	4
	Italy	5
Oceania	Australia	6
Oceania	New Zealand	5
Asia	India	4
Asia	Japan	4
Middle East	Israel	6

DHL & FedEx Shipment Charges Reference
Shipment charges(KG)	Reference DHL(USD$)
0.00kg-1.00kg	USD$30.00 - USD$60.00
1.00kg-2.00kg	USD$40.00 - USD$80.00
2.00kg-3.00kg	USD$50.00 - USD$100.00

Note:: The above table is for reference only. There may have some data bias for the uncontrollable factors.
Contact us if you have any questions.

Payment Support

The payment method can be chosen from the methods shown below: Wire Transfer (T/T, Bank Transfer), Western Union, Credit card, PayPal.

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Fast Sourcing & Delivery

Contact us if you have any questions.

Phone
+00852 9146 4856
Email
info@allelco.com

Certifications & Memberships

0456020.ER

Littelfuse Inc.
32D-0456020.ER

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