Littelfuse 209 Series User Manual
Axial lead & cartridge fuses, 209 series lead-free 2ag, slo-blo, Time-lag) fuse
© 2013 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: 12/19/13
Axial Lead & Cartridge Fuses
2AG > Time Lag > 209 Series
209 Series Lead-Free 2AG, Slo-Blo
®
(Time-Lag) Fuse
Littelfuse 209 Series (2AG) 350V, Time-Lag (Slo-Blo
®
) Fuses
are available in cartridge form or with axial leads. This
series provides the same performance characteristics as
its 3AG counterpart, while occupying one-third the space.
Sleeved fuses are available.
Agency Approvals
Agency
Agency File Number
Ampere Range
E10480
250mA - 7A
PS
E
NBK210405-E10480G/H
NBK210405-E10480C/D
NBK210405-E10480E/F
1A - 3.5A
4A - 5A
6A - 7A
250mA - 7A
Features
Electrical Characteristics for Series
• In accordance
with Underwriter’s
Laboratories Standard
UL 248-14
• Available in cartridge
and axial lead form and
with various forming
dimensions
• RoHS compliant and
Lead-free
Applications
% of Ampere
Rating
Opening Time
100%
4 Hours, Min.
135%
1 Hour, Max.
200%
3 Sec. Min. ; 20 Sec. Max.
Amp
Code
Ampere
Rating
(A)
Voltage
Rating
(V)
Interrupting
Rating
Nominal Cold
Resistance
(Ohms)
Nominal
melting
I
2
t (A
2
sec)
Agency Approvals
PS
E
.250
0.25
350
100A @
350Vac
2.410
0.216
x
x
.375
0.375
350
1.170
0.580
x
x
.500
0.5
350
0.688
1.160
x
x
.600
0.6
350
0.477
1.750
x
x
.750
0.75
350
0.340
2.950
x
x
.800
0.8
350
0.304
3.450
x
x
001.
1
350
0.210
5.640
x
x
x
1.25
1.25
350
0.1460
9.80
x
x
x
01.5
1.5
350
0.1077
15.0
x
x
x
002
2
350
0.0689
30.0
x
x
x
2.25
2.25
350
0.0567
39.0
x
x
x
02.5
2.5
350
0.0502
50.0
x
x
x
003
3
350
0.0383
77.0
x
x
x
03.5
3.5
350
0.0312
110
x
x
x
004
4
350
0.0258
148
x
x
x
005
5
350
0.0186
267
x
x
x
006
6
350
0.0141
380
x
x
x
007
7
350
0.0116
464
x
x
x
Electrical Characteristic Specifications by Item
• Electronic Lighting Ballasts
PS
E
Description
Additional Information