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0154.125DR FUSE BOARD MNT 125MA 125VAC/VDC. Fast blow, 50A breaking capacity, UL approved.
Mfr Part #:

0154.125DR

Available from 1 distributors
Mfr Name: Littelfuse Inc.
Littelfuse Inc.
FUSE BOARD MNT 125MA 125VAC/VDC. Fast blow, 50A breaking capacity, UL approved.
Total Stock: 960 pcs

0154.125DR Available from 1 distributor

Authorised
Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Non-Authorised Inventory information
960 pcs
960 pcs On Request 1 On Request On Request 2026-02-25 06:16:38 On Request On Request

0154.125DR Specifications Quick View

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

0154.125DR Description

Short technical summary and product information.

The Littelfuse 0154.125DR is a 125mA, 125VAC/VDC fast-acting board mount fuse from the 154 Series OMNI-BLOK fuse and holder assembly family. It provides overcurrent protection in a compact surface-mount package that requires a holder.

 

Electrically, this fuse offers a fast blow response time with a breaking capacity of 50A at 125V and a melting I²t value of 0.00286 A²s. It operates over a temperature range of -55°C to 125°C.

 

The fuse is housed in a 2-SMD, square end block with holder package measuring 9.73mm x 5.03mm x 3.81mm. It is designed for automated board assembly and allows easy fuse replacement without resoldering.

 

Compliance includes RoHS3 certification and UL recognition (file E14721). The part is also REACH unaffected and has an MSL of 1 (unlimited).

0154.125DR Quick Information

Product Type: Board Mount Fuse
Series: 154
Canonical Name: 0154.125DR Board Mount Fuse, 125mA, 125V, Fast Blow, Littelfuse
Subcategory: Board Mount Fuse

0154.125DR Compliance

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

0154.125DR Features

  • 125 mA current rating.
  • 125 V AC/DC voltage rating.
  • Fast blow response time.
  • 50 A breaking capacity at 125V.
  • RoHS compliant and UL approved.

0154.125DR Applications

  • Board mount overcurrent protection.
  • Surface mount fuse replacement.
  • Used in power supply circuits.
  • Compact design for dense PCBs.

0154.125DR FAQs

7 frequently asked questions generated from this part’s specifications.
What is the current rating of the 0154.125DR?

125 mA

What is the voltage rating of the 0154.125DR?

125 V AC/DC

What is the breaking capacity of the 0154.125DR?

50A at 125V

What is the response time of the 0154.125DR?

Fast Blow

What is the package / case of the 0154.125DR?

2-SMD, Square End Block with Holder

What agency approvals does the 0154.125DR have?

UL (E14721)

What is the operating temperature range of the 0154.125DR?

-55°C to 125°C

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