Have a small number of parts or want to add parts manually? Request Quote manually

Search across all market segments

0459003.ER The Littelfuse 0459003.ER is a 3A, 125VAC/VDC fast blow surface mount fuse in a 2-SMD J-Lead package. It is rated for both AC and DC operation with a breaking capacity of 50A at 125VAC and 300A at 125VDC.
Mfr Part #:

0459003.ER

Available from 2 distributors
Mfr Name: Littelfuse Inc.
Littelfuse Inc.
The Littelfuse 0459003.ER is a 3A, 125VAC/VDC fast blow surface mount fuse in a 2-SMD J-Lead package. It is rated for both AC and DC operation with a breaking capacity of 50A at 125VAC and 300A at 125VDC.
Total Stock: 2,494 pcs
$ Price Range: $0.81 - $1.99

0459003.ER Available from 2 distributors

Authorised
Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Non-Authorised Inventory information
1,247 pcs
1247 pcs On Request 1 On Request On Request 15+ On Request On Request
Non-Authorised Inventory information
1,247 pcs
1247 pcs On Request 1 On Request On Request On Request On Request On Request

0459003.ER Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Approval Agency
Breaking Capacity (@ 125 VDC)
Breaking Capacity @ Rated Voltage
Current Rating (Amps)
Fuse Type
Height
Length
Melting I²t
Mounting Type
Operating Temperature
Response Time
Tape & Reel
Termination Style
Voltage Rating
Width

0459003.ER Description

Short technical summary and product information.

The Littelfuse 0459003.ER is a 3A, 125VAC/VDC fast blow surface mount fuse designed for board-level overcurrent protection. It is housed in a compact 2-SMD, J-Lead package measuring 7.24mm x 4.32mm x 3.05mm, making it suitable for space-constrained applications.

 

This fuse offers a fast response time, providing rapid disconnection during overcurrent events. It is rated for both AC and DC circuits up to 125V, with a breaking capacity of 50A at 125VAC and 300A at 125VDC. The melting I²t is 1.23 A²s, which aids in coordination with downstream components.

 

The operating temperature range spans -55°C to 125°C, allowing use in harsh environments. It is approved by CSA and UL, and is designed for surface mount assembly with J-Lead terminations.

0459003.ER Quick Information

Product Type: Surface Mount Fuse
Series: 459
Canonical Name: Littelfuse 0459003.ER 3A 125V Fast Blow Surface Mount Fuse
Subcategory: Surface Mount Fuse

0459003.ER Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected

0459003.ER Estimated Pricing

Qty Low High
1+ $1.99 $1.99
5+ $1.72 $1.72
10+ $1.62 $1.62
50+ $1.32 $1.32
100+ $1.17 $1.17
250+ $1.09 $1.09
500+ $0.96 $0.96
1,000+ $0.89 $0.89
2,500+ $0.81 $0.81

Estimated market price range - modelled values for guidance only, not live distributor offers.

0459003.ER Features

  • Rated for 3A at 125VAC and VDC.
  • Fast blow response time for rapid protection.
  • Surface mount 2-SMD J-Lead package.
  • Breaking capacity 50A AC, 300A DC.
  • Operating temperature -55°C to 125°C.

0459003.ER Applications

  • Overcurrent protection in power supply circuits.
  • Protection for DC-DC converter input stages.
  • Used in industrial control and automation equipment.
  • Suitable for battery management and charging systems.
  • Ideal for telecom and networking hardware.

0459003.ER FAQs

7 frequently asked questions generated from this part’s specifications.
What is the current rating of the 0459003.ER fuse?

The current rating is 3 A.

What is the voltage rating of the 0459003.ER fuse?

The voltage rating is 125 V for both AC and DC.

What is the breaking capacity of the 0459003.ER fuse?

The breaking capacity is 50 A at 125 VAC and 300 A at 125 VDC.

What is the response time of the 0459003.ER fuse?

The response time is fast blow.

What package type does the 0459003.ER fuse use?

The package type is 2-SMD, J-Lead.

What is the operating temperature range of the 0459003.ER fuse?

The operating temperature range is -55°C to 125°C.

What are the dimensions of the 0459003.ER fuse?

The dimensions are 7.24 mm length, 4.32 mm width, and 3.05 mm height.

Home
Categories
Submit RFQ
Login
Account

Categories