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Littelfuse FUN Series User Manual

Fun mini, Style blade fuse rated 125v, Blade fuses

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© 2012 Littelfuse • Transportation

Products Catalog

www.littelfuse.com

FUN MINI

®

STYLE BLADE FUSE RATED 125V

Description

The FUN is a 125V rated MINI

®

style fuse. It features a three part

construction with copper contacts for excellent reliability in harsh
environment conditions and low voltage drop. Current ratings 3A
thru 15A. Filled with arc-quenching material.

Specifications

Insulating Body:

Out of thermoplastic (UL 94-V0, heat-resistant)

Cover:

Out of thermoplastic V0

Red, not transparent

Terminals:

Blade contacts

Copper alloy, gal. Sn plated

Edge-protected

Interrupting Rating:

1000 A @125 VDC

Time-Current Characteristics

% of Rating

Opening Time Min / Max (s)

110

360,000 s / –

150

0.500 s / 900 s

200

0.150 s / 10 s

350

0.040 s / 0.500 s

600

0.015 s / 0.100 s

Ordering Information

Part Number

Package Size

125.6785.xxx2

1000

125.6785.xxx7

50

Corresponding holder see Section “Fuse Holders.”

Ratings

Part Number

Current Rating

Housing Color

Typ. Voltage Drop

Cold Resistance

I

2

t

125.6785.430_

3 A

130 mV

35.0 mΩ

8.50 A²s

125.6785.440_

4 A

120 mV

23.5 mΩ

14.5 A²s

125.6785.450_

5 A

120 mV

18.0 mΩ

25.0 A²s

125.6785.475_

7.5 A

110 mV

11.0 mΩ

60.0 A²s

125.6785.510_

10 A

110 mV

8.00 mΩ

85.0 A²s

125.6785.515_

15 A

110 mV

5.00 mΩ

155 A²s

Pre-Arcing Time-Limits

Dimensions

Dimensions in mm

FI = 1.43 (max. operating current :

0.7 x I

rat

at 23°C)

Blade Fuses

Blade Fuses