Datasheet

© 2012 Littelfuse, Inc.
Specifications are subject to change without notice.
Axial Lead & Cartridge Fuses
473 Series
Please refer to www.littelfuse.com/series/473.html for current information.
PICO
®
ll > Slo-Blo
®
> 473 Series
473 Series
473 Series, PICO
®
II, Slo-Blo
®
Fuse
Description
The PICO
®
II Slo-Blo
®
Fuse combines time-delay
performance characteristics with the proven reliability of
a PICO
®
Fuse.
Agency Approvals
Agency Agency File Number Ampere Range
E10480 375mA - 7A
LR 29862 375mA - 7A
PS
E
JET 1896-31007-1001 1A - 5A
Features
Electrical Characteristics
t&OIBODFEJOSVTI
withst
and
t 4NBMMTJ[F
t 8JEFSBOHFPGDVSSFOU
SBUJOHTN""
t 3P)4DPNQMJBOU
t 8JEFPQFSBUJOH
UFNQFSBUVSFSBOHF
t -PXUFNQFSBUVSF
EFSBUJOH
% of Ampere
Rating
Opening Time
100% )PVSTMin.
20
0% 4FDMin.4FDMax.
300% 4FDMin.4FDMax.
800% 4FDMin.4FDMax.
Applications
Ampere
Rating
(A)
Amp
Code
Max
Voltage
Rating
(V)
Interrupting
Rating
Nominal Cold
Resistance
(Ohms)
Nominal
Melting
I
2
t (A
2
sec)
Nom
Voltage Drop
(mV)
Agency Approvals
PS
E
0.375 .375 125
50 amperes at 125 VDC/
VAC
1.7400 0.085 0.840 XX
0.500 .500 125 1.1300 0.210 0.775 XX
0.750 .750
125
0.4600 0.760 0.429 XX
1.00 001.
125
0.3000 2.010 0.353 XXX
1.50 01.5 125 0.1160 3.940 0.208 XXX
2.00 002. 125 0.0712 7.600 0.180 XXX
2.25 2.25 125 0.0630 9.280 0.164 XXX
2.50 02.5 125 0.0520 13.00 0.153 XXX
3.00 003.
125
0.0380 21.00 0.140 XXX
3.50 03.5 125 0.0240 26.80 0.094 XXX
4.00 004. 125 0.0194 35.00 0.086 XXX
5.00 005. 125 0.0133 54.80 0.074 XXX
7.00 007. 125 0.0092 105.00 0.070 XX
Electrical Characteristics
t'MBUoQBOFM%JTQMBZ57
t-$%NPOJUPS
t-JHIUJOHTZ
TUFN
t.FEJDBMFRVJQNFOU
t*OEVTUSJBMFRVJQNFOU
PS
E
Revised: April 24, 2011