0242.125UR Allicdata Electronics
Allicdata Part #:

F4179TR-ND

Manufacturer Part#:

0242.125UR

Price: $ 1.70
Product Category:

Circuit Protection

Manufacturer: Littelfuse Inc.
Short Description: FUSE CARTRIDGE 125MA 250VAC/VDC
More Detail: N/A
DataSheet: 0242.125UR datasheet0242.125UR Datasheet/PDF
Quantity: 2500
Lead Free Status / RoHS Status: Lead free / RoHS Compliant
Moisture Sensitivity Level (MSL): 1 (Unlimited)
500 +: $ 1.54473
1000 +: $ 1.46483
1500 +: $ 1.38493
2500 +: $ 1.33166
Stock 2500Can Ship Immediately
$ 1.7
Specifications
Series: 242
Packaging: Tape & Reel (TR) 
Lead Free Status / RoHS Status: --
Part Status: Active
Moisture Sensitivity Level (MSL): --
Fuse Type: Cartridge
Current Rating: 125mA
Voltage Rating - AC: 250V
Voltage Rating - DC: 250V
Response Time: Fast
Applications: Hazardous Locations
Features: Intrinsically Safe
Class: --
Approvals: UR
Operating Temperature: -40°C ~ 125°C
Breaking Capacity @ Rated Voltage: 4kA
Mounting Type: Surface Mount
Package / Case: Cartridge, Non-Standard
Size / Dimension: 0.119" Dia x 0.331" L (3.02mm x 8.40mm)
Melting I²t: 0.001026
DC Cold Resistance: 3.78 Ohms
Description

Due to market price fluctuations, if you need to purchase or consult the price. You can contact us or emial to us:   sales@allicdata.com

0242.125UR application field and working principle are important topics in the field of Electrical, Specialty Fuses. The 0242.125UR is a special fuse used mainly for short-circuit and overload protection of low-voltage DC circuits and equipment. Its application field includes DC power supplies, consumer electronics, computers, communication systems, automotive applications, and industrial process control equipment.

The operation principle of the 0242.125UR fuse is based on the Joule effect. When the current in the circuit is higher than the rated current, the temperature of the fuse rises due to the Joule effect, and the fuse melts, making the circuit open, thus providing protection for the circuit and equipment. When the current in the circuit is lower than the rated current, the fuse will not melt, thus protecting the circuit from being broken.

In addition, the 0242.125UR fuse also has a self-resetting function, which is realized by using a thermal bimetal switch to reset the fuse. When the current in the circuit is lower than the rated current, the bimetal switch will reset the fuse to its original state automatically.

Overall, the 0242.125UR fuse is an important fuse used in low-voltage DC circuits and equipment and its working principle is based on the Joule effect. It has self-resetting and overload and short-circuit protection functions, making it an ideal fuse for many applications.

The specific data is subject to PDF, and the above content is for reference

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