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0433.125NR Littelfuse 433 Series 125mA fast blow surface mount fuse rated for 125V AC/DC with 50A interrupting capacity in a 1206 package.
Mfr Part #:

0433.125NR

Available from 1 distributors
Mfr Name: Littelfuse Inc.
Littelfuse Inc.
Littelfuse 433 Series 125mA fast blow surface mount fuse rated for 125V AC/DC with 50A interrupting capacity in a 1206 package.
Total Stock: 1,860 pcs

0433.125NR Available from 1 distributor

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Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Non-Authorised Inventory information
1,860 pcs
1860 pcs On Request 1 On Request On Request On Request On Request On Request

0433.125NR 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
Interrupting Rating
Length
Melting I²t
Mounting Type
Nominal Cold Resistance
Operating Temperature
Response Time
Tape & Reel
Voltage Rating
Width

0433.125NR Description

Short technical summary and product information.

The Littelfuse 433 Series 0433.125NR is a fast-acting surface mount fuse designed for secondary protection in space-constrained applications such as handheld portable electronics. This thin-film device offers precise overcurrent protection with a current rating of 125 mA and a voltage rating of 125 V AC/DC.

 

Key electrical characteristics include a nominal cold resistance of 3.45 Ω and a melting I²t of 0.0004 A²s. The fuse has a fast blow response time, opening within 5 seconds at 200% of rated current and within 0.2 seconds at 300% of rated current. The interrupting rating is 50A at 125 V AC/DC.

 

The fuse is housed in a compact 1206 (3216 metric) surface mount package measuring 3.18mm x 1.52mm x 0.58mm. It is designed for pick-and-place assembly and is suitable for low-profile applications. The operating temperature range is -55°C to 90°C. The device carries CSA and UL agency approvals.

0433.125NR Quick Information

Product Type: Surface Mount Fuse
Series: 433 Series
Canonical Name: Littelfuse 433 Series 125mA Fast Blow Surface Mount Fuse
Subcategory: Fast Blow Surface Mount Fuse

0433.125NR Compliance

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

0433.125NR Features

  • 125mA current rating with fast blow response.
  • Rated for 125V AC/DC operation.
  • 50A interrupting capacity at rated voltage.
  • Compact 1206 surface mount package.
  • CSA and UL agency approved.

0433.125NR Applications

  • Secondary protection in handheld portable electronics.
  • Overcurrent protection for space-constrained circuit boards.
  • Use in low-profile surface mount designs.

0433.125NR FAQs

7 frequently asked questions generated from this part’s specifications.
What is the current rating of the 0433.125NR fuse?

The current rating is 125 mA (0.125 A).

What is the voltage rating of this fuse?

The voltage rating is 125 V AC/DC.

What is the breaking capacity of the 0433.125NR?

The breaking capacity is 50A at 125 V AC/DC.

What is the response time of this fuse?

The fuse has a fast blow (very fast acting) response time.

What package size is the 0433.125NR available in?

The fuse is in a 1206 (3216 metric) surface mount package.

What is the operating temperature range?

The operating temperature range is -55°C to 90°C.

What agency approvals does this fuse have?

The fuse is approved by CSA and UL.

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