Surface Mount Fuses
NANO2® > Slo-Blo® > 452/454 Series
PS
E
452/454 Series Fuse
Description
The NANO2 Slo-Blo® fuse has enhanced inrush withstand
characteristics over the NANO2 Fast-Acting fuse. The
unique time delay feature of this fuse design helps solve
the problem of nuisance “opening” by accommodating
inrush currents that normally cause a fast-acting fuse to
open.
Features
tꢀ 5JNFꢁ-BHꢀꢂ4MPꢁ#MPꢃ
tꢀ 4NBMMꢀTJ[Fꢀ
tꢀ -PXꢀUFNQFSBUVSFꢀ
de-rating
tꢀ 3P)4ꢀDPNQMJBOU
tꢀ )BMPHFOꢀ'SFF
tꢀ 8JEFꢀSBOHFꢀPGꢀDVSSFOUꢀ
SBUJOHꢀBWBJMBCMFꢀꢂꢄꢅꢆN"ꢀ
UPꢀꢇꢈ"ꢃ
Agency Approvals
tꢀ 8JEFꢀPQFSBUJOHꢀ
AGENCY
AGENCY FILE NUMBER
AMPERE RANGE
375mA - 12A
temperature range
E10480
LR29862
Applications
375mA - 12A
1A - 5A
tꢀ /PUFCPPLꢀ1$
tꢀ -$%ꢎ1%1ꢀ57ꢀ
tꢀ 5FMFDPNꢀTZTUFN
tꢀ 8JSFMFTTꢀCBTFTUBUJPO
tꢀ 8IJUFꢀHPPET
PS
E
NBK030205-E10480B
tꢀ -$%ꢀNPOJUPS
tꢀ -$%ꢎ1%1ꢀQBOFM
tꢀ -$%ꢀCBDLMJHIUꢀJOWFSUFS
tꢀ 1PSUBCMFꢀ%7%ꢀQMBZFS
tꢀ 1PXFSꢀTVQQMZ
tꢀ /FUXPSLJOHꢀ
tꢀ 1$ꢀTFSWFS
tꢀ (BNFꢀDPOTPMF
Electrical Characteristics for Series
tꢀ 0GåDFꢀ"VUPNBUJPOꢀ
equipment
% of Ampere
OpeningTime
4 hours, Minimum
Rating
100%
200%
ꢄꢉꢉꢊ
800%
tꢀ #BUUFSZꢀDIBSHJOHꢀDJSDVJUꢀ
protection
tꢀ *OEVTUSJBMꢀFRVJQNFOU
tꢀ .FEJDBMꢀFRVJQNFOU
tꢀ "VUPNPUJWF
1 sec., Min.; 60 sec., Max.
ꢉꢋꢈꢀTFDꢋꢌꢀ.JOꢋꢍꢀꢄꢀTFDꢋꢌꢀ.BY
0.02 sec., Min.; 0.1 sec., Max.
tꢀ $PPMJOHꢀGBOꢀTZTUFN
tꢀ 4UPSBHFꢀTZTUFN
Electrical Specifications by Item
Max
Agency Approvals
Ampere
Rating
(A)
Nominal Cold
Resistance
(Ohms)
Nominal
Melting
Voltage
Interrupting
Rating
Amp Code
PS
E
Rating
(V)
I2t (A2sec)
ꢉꢋꢄꢅꢆ
ꢉꢋꢆꢉꢉ
ꢉꢋꢅꢆꢉ
001.
ꢋꢄꢅꢆ
ꢋꢆꢉꢉ
ꢋꢅꢆꢉ
001.
ꢉꢇꢋꢆ
ꢇꢈꢆ
ꢇꢈꢆ
ꢇꢈꢆ
ꢇꢈꢆ
ꢇꢈꢆ
ꢇꢈꢆ
ꢇꢈꢆ
ꢇꢈꢆ
ꢇꢈꢆ
ꢇꢈꢆ
ꢇꢈꢆ
1.2000
ꢉꢋꢅꢉꢉꢉ
ꢉꢋꢄꢐꢉꢉ
ꢉꢋꢈꢈꢆꢉ
ꢉꢋꢉꢑꢄꢉ
ꢉꢋꢉꢐꢈꢆ
ꢉꢋꢉꢒꢆꢉ
ꢉꢋꢉꢄꢒꢉ
0.0224
0.0186
ꢉꢋꢉꢇꢄꢐ
0.101
0.240
0.904
1.98
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
ꢇꢋꢆꢉ
ꢀꢄꢋꢐꢆ
8.20
ꢆꢉꢀBNQFSFTꢀ!ꢀꢇꢈꢆꢀ7"$ꢎ7%$
ꢄꢉꢉꢀBNQFSFTꢀ!ꢀꢄꢈꢀ7%$
14&ꢏꢀꢇꢉꢉꢀBNQFSFTꢀ!ꢀꢇꢉꢉꢀ7"$
2.00
ꢈꢋꢆꢉ
ꢄꢋꢉꢉ
ꢄꢋꢆꢉ
4.00
ꢆꢋꢉꢉ
002.
ꢉꢈꢋꢆ
ꢉꢉꢄꢋ
ꢉꢄꢋꢆ
004.
ꢉꢉꢆꢋ
ꢇꢆꢋꢉ
20.16
ꢈꢐꢋꢆꢄ
ꢄꢒꢋꢒꢉ
ꢆꢄꢋꢅꢈ
ꢆꢉꢀBNQFSFTꢀ!ꢀꢅꢈꢀ7"$
ꢆꢉꢀBNQFSFTꢀ!ꢀꢐꢉꢀ7%$
ꢋꢉꢉ
ꢉꢉ ꢋ
ꢅꢈ
ꢉꢋꢉꢇꢉꢆ
ꢇꢈꢄꢋꢓꢄ
x
x
8
008.
012.
ꢅꢈ
ꢅꢈ
0.0088
0.0061
ꢇꢄ ꢋꢄꢒ
x
x
x
x
ꢆꢉꢀBNQFSFTꢀ!ꢀꢅꢈꢀ7"$
ꢆꢉꢀBNQFSFTꢀ!ꢀꢐꢉꢀ7%$
12
260.46
Notes:
- l2t calculated at 8ms.
- Resistance is measured at 10% of rated current, 25ºC
© 2009 Littelfuse, Inc.
452/454 Series
61
Specifications are subject to change without notice.
Please refer to www.littelfuse.com/series/452.html
or /454.html for current information.
Revised: May 3, 2011