Revised: January 20, 2009
337
© 2009 Littelfuse, Inc.
Specications are subject to change without notice.
Axial Lead & Cartridge Fuses
3AB > Fast-Acting > 505 Series
505 Series
Please refer to www.littelfuse.com/series/505.html for current information.
505 Series
505 Series, Lead-free 3AB, Fast-Acting Fuse
Features
Description
; 0$&&13'$0&(8,5+
60'(383,5(34$%13$513,(4
5$0'$3'!
; 7$,.$%.(,0&$353,'*($0'
$9,$..($')13/$0'8,5+
7$3,164.($')13/,0*
',/(04,104
; 1 &1/2.,$05$0'
($')3((
; 62(3,1305(33625,0*
3$5,0*1)/2(3(4
; 1/2$&5)13/)$&5131)
9//
; !0,05(33625,%.(18(3
622.,(4!
; +$4(18(3 622.,(4
""3$5('&(3$/,&)64(8,5+3(/$3-$%.(,05(33625
,0*3$5,0*,0$&1/2$&59//2$&-$*(8+,&+,48(..
46,5(')13&,3&6,52315(&5,10,0+,*+(0(3*:$22.,&$5,104
/,065(4$9,/6/
/,065(4$9,/6/
4(&$9,/6/
Applications
Electrical Characteristics for Series
% of Ampere
Rating Ampere Rating Opening Time
%
%
%
Agency Approvals
Agency Agency File Number Ampere Range
(&1*0,4(',.(
Electrical Characteristics Specications by Item
Agency Approvals
Amp
Code
010.
012.
016.
020.
025.
030.
Amp
Rating
(A)
10
12
16
20
25
30
Max
Voltage
Rating
(V)
450
450
500
500
500
500
Nominal
Cold
Resistance
(Ohms)
0.0167
0.0117
0.0073
0.0056
0.0048
0.0038
Nominal
Melting
I2T (A2Sec.)
91
192
51
101
145
203
X
X
X
X
X
X
X
X
X
X
X
X
X
X
Interrupting
Rating
20kA@450VAC
1000A@250VDC
50kA@500VAC
20kA@500VDC
30kA@500VAC
20kA@500VDC