0459.125UR The Littelfuse 0459.125UR is a 125 mA, 125 VAC/VDC very fast-acting surface mount fuse. It features a 2-SMD J-Lead package and is RoHS compliant.
Mfr Part #:

0459.125UR

Available from 1 distributors
Mfr Name: Littelfuse Inc.
Littelfuse Inc.
The Littelfuse 0459.125UR is a 125 mA, 125 VAC/VDC very fast-acting surface mount fuse. It features a 2-SMD J-Lead package and is RoHS compliant.
Total Stock: 10 pcs

0459.125UR Available from 1 distributor

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0459.125UR Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Approval Agency
Body Material
Breaking Capacity
Breaking Capacity @ Rated Voltage
Cold Resistance
Current Rating
Current Rating (Amps)
Fuse Type
Height
Lead Style
Length
Melting I²t
Mounting Type
Operating Temperature
Package / Case
Packaging Type
Response Time
Tape & Reel
Termination Material
Termination Style
Voltage Rating
Width

0459.125UR Description

Short technical summary and product information.

The Littelfuse 0459.125UR is a 125 mA, 125 VAC/VDC very fast-acting surface mount fuse from the 459 series. It is designed for overcurrent protection in space-constrained applications.

 

This fuse offers a breaking capacity of 50 A AC and 300 A DC at rated voltage. It has a nominal cold resistance of 1.7000 Ω and a melting I²t of 0.00163 A²s. The operating temperature range is -55°C to 125°C.

 

The device is housed in a 2-SMD J-Lead package with dimensions of 7.24 mm x 4.32 mm x 3.05 mm. The body is molded thermoplastic with tin-plated copper terminations. It is suitable for surface mount assembly and is available in tape and reel packaging.

0459.125UR Quick Information

Product Type: Surface Mount Fuse
Series: 459
Canonical Name: Littelfuse 459 Series PICO Very Fast-Acting Surface Mount Fuse, 125 mA, 125 VAC/VDC
Subcategory: Surface Mount Fuse

0459.125UR Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): Level 1 (Unlimited)
REACH Status: Non-Compliant
Lead Free: Yes

0459.125UR Features

  • Very fast-acting response time.
  • Rated for 125 mA at 125 V.
  • Surface mount 2-SMD J-Lead package.
  • RoHS compliant and MSL Level 1.
  • Operating temperature range -55°C to 125°C.

0459.125UR Applications

  • Overcurrent protection in wireless basestations.
  • Protection for network equipment circuits.
  • Used in telecom power supplies.
  • Ideal for board-level power distribution.

0459.125UR FAQs

7 frequently asked questions generated from this part’s specifications.
What is the current rating of the 0459.125UR fuse?

The current rating is 125 mA.

What is the voltage rating of the 0459.125UR?

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

What is the breaking capacity of the 0459.125UR?

The breaking capacity is 50 A AC and 300 A DC at rated voltage.

What is the response time of the 0459.125UR?

The response time is very fast-acting (Fast Blow).

What package does the 0459.125UR come in?

The fuse is in a 2-SMD J-Lead surface mount package.

What is the operating temperature range of the 0459.125UR?

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

Is the 0459.125UR RoHS compliant?

Yes, the 0459.125UR is RoHS compliant.

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