Axial Lead & Cartridge Fuses
2AG > Time Lag > 209 Series
PS
E
209 Series Lead-Free 2AG, Slo-Blo (Time-Lag) Fuse
Description
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.
Features
t *OBDDPSEBODF with various forming
with Underwriters dimensions
Laboratories Standard
t P)4DPNQMJBOUBOE 3
UL 248-14
Lead-free
Agency Approvals
t BJMBCMFJODBSUSJEHF W
and axial lead form and
Agency Agency File Number Ampere Range
Applications
E10480 250mA-7A
BMMBTUT t&MFDUSPOJD-JHIUJOH#
NBK210405-E10480G/H
PS
NBK210405-E10480C/D 1A-7A
E
Electrical Characteristics for Series
NBK210405-E10480E/F
% of Ampere
250mA-7A
Opening Time
Rating
100% 4 Hours, Min.
135% 1 Hour, Max.
200% 3 Sec. Min. ; 20 Sec. Max.
Electrical Characteristic Specifications by Item
Agency Approvals
Ampere Voltage Nominal Cold Nominal
Amp Interrupting
Rating Rating Resistance Melting
Code Rating
PS
2 2
(A) (V) (Ohms) I t (A sec)
E
.250 0.25 350 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
100A @
350Vac
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
2009 Littelfuse, Inc.
209 Series
251
Specifications are subject to change without notice.
Revised: June 25, 2010
Please refer to www.littelfuse.com/series/209.html for current information.
209 SeriesIntrIntroduction toduction too Cir Circuit Prcuit Prototectionection
Axial Lead & Cartridge Fuses
Transientology
2AG > Time Lag > 209 Series
Temperature Rerating Curve Average Time Current Curves
Soldering Parameters - Wave Soldering
300
Recommended Process Parameters:
280
260
Wave Parameter Lead-Free Recommendation
240
220
Preheat:
200
ZQJDBM*OEVTUS FDPNNFOEBUJPO
Z3 5
(Depends on Flux Activation Temperature)
180
Temperature Minimum: 100 C
160
Temperature Maximum: 150 C
140
120
Preheat Time: 60-180 seconds
100
80 Solder Pot Temperature: 260 C Maximum
60
Solder Dwell Time: 2-5 seconds
40
20
0
Recommended Hand-Solder Parameters:
Time (Seconds)
Preheat Time Cooling Time VSF$$ FNQFSBU 5 4PMEFS*SPO
Dwell Time
Heating Time: 5 seconds max.
Note: These devices are not recommended for IR or
Convection Reflow process.
2009 Littelfuse, Inc.
209 Series
252
Specifications are subject to change without notice.
Please refer to www.littelfuse.com/series/209.html for current information.
Temperature (C) - Measured on bottom side of board
0
10
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30
40
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100
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120
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160
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240