Littelfuse FLQ-1/4 Midget Fuse 0.25A 500VAC Time-Delay

Littelfuse FLQ-1/4 Midget Fuse 0.25A 500VAC Time-Delay

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Brand	Littelfuse
Model Number	FLQ-1/4
Product Category	Midget Fuse
Series	FLQ
Fuse Type	Time-Delay
Current Rating	1/4 A (0.25 A)
AC Voltage Rating	500 VAC
DC Voltage Rating	300 VDC
AC Interrupting Rating	10 kA RMS Symmetrical
DC Interrupting Rating	10 kA Self-Certified
Fuse Size	10 × 38 mm Midget
Body Diameter	10.31 mm (0.406 in)
Body Length	38.1 mm (1.50 in)
Mounting Method	Ferrule
Body Material	Paper
Cap Material	Nickel-Plated Copper Alloy
UL	UL Listed, File E10480
CSA	CSA Certified, File LR29862

Key Features

0.25 A Current Rating

The FLQ-1/4 corresponds to the FLQ series 1/4 A fuse rating, equivalent to 0.25 A.

500 VAC Rating

The FLQ series is rated for 500 VAC or less, with a documented DC voltage rating of 300 VDC.

Time-Delay Characteristic

The FLQ series uses a time-delay operating characteristic for circuits that can experience temporary inrush current.

10 kA Interrupting Rating

The documented interrupting ratings are 10 kA RMS symmetrical on AC and 10 kA self-certified on DC.

10 × 38 mm Format

The ferrule version uses the midget fuse format with a body approximately 10.31 mm in diameter and 38.1 mm long.

Supplemental Circuit Protection

Littelfuse specifies the FLQ series for supplemental protection of control power transformers, solenoids and circuits with high inrush current.

Applications

Control power transformer protection
Solenoid circuit protection
Circuits with high inrush current
Industrial control circuits
Electrical control panels
Supplemental equipment protection

Purchase Information

We support online purchase of the Littelfuse FLQ-1/4 Midget Fuse. If you need to make bulk purchases and inquire about other products, please contact our team to inform us of your purchase requirements. We will provide you with information such as quantity quotations, delivery dates, and transportation methods.

Frequently Asked Questions

What is Littelfuse FLQ-1/4?
Littelfuse FLQ-1/4 is an FLQ series time-delay midget fuse with a 1/4 A current rating.

What is the current rating of FLQ-1/4?
The documented current rating is 1/4 A, equivalent to 0.25 A.

What is the AC voltage rating of FLQ-1/4?
The documented AC voltage rating is 500 VAC or less.

What is the DC voltage rating of the FLQ series?
Current Littelfuse FLQ series documentation specifies a 300 VDC rating.

Is FLQ-1/4 a time-delay fuse?
Yes. Littelfuse classifies the FLQ series as time-delay midget fuses.

What is the interrupting rating?
The documented interrupting ratings are 10 kA RMS symmetrical for AC and 10 kA self-certified for DC.

What are the dimensions of FLQ-1/4?
The ferrule version is approximately 10.31 mm in diameter and 38.1 mm in length.

What body material is used for FLQ-1/4?
Littelfuse documentation specifies a paper body for FLQ ratings from 1/10 A through 5 A, with nickel-plated copper-alloy caps.

What applications are specified for the FLQ series?
Littelfuse identifies control power transformers, solenoids and circuits with high inrush current as applications for the FLQ series.

Is the FLQ series UL Listed?
The AC specification is UL Listed under File E10480 and CSA Certified under File LR29862.

What should be checked before ordering FLQ-1/4?
Check the 1/4 A current rating, required AC or DC voltage, time-delay characteristic, 10 × 38 mm dimensions, interrupting requirements and the specifications of the protected circuit before purchasing.

Specifications

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