113
Cartridge, Axial Lead, and Plug-In Fuses
©2008 Littelfuse, Inc.
Revised: June 19, 2008
2AG > Fast-Acting > 208 Series
208 Series
Specifications are subject to change without notice.
Please refer to http://www.littelfuse.com/series/208.html for current information.
Agency Agency File Number Ampere Range
®E10480 125mA - 1A
PS
E
NBK200405-E10480 C/D
NBK060405-E10480 E/F
1A - 5A
6A - 10A
125mA - 10A
208 Series Lead-Free 2AG, Fast-Acting Fuse
Description
Littelfuse 208 Series 2AG 350V fast-acting 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
Features
Electrical Characteristics for Series
t *OBDDPSEBODF
with Underwriter’s
Laboratories Standard UL
248-14
t 'VTFTBSFCPBSEXBTIBCMF
in most solvents
t "WBJMBCMFJODBSUSJEHF
and axial lead form and
with various lead forming
dimensions
t 3P)4DPNQMJBOUBOEMFBE
free
Applications
% of Ampere
Rating Opening Time
100% 4 hours, Minimum
135% 1 hour, Maximum
200% 1 sec., Maximum
RoHS Pb
Amp
Code
Amp
Rating
Voltage
Rating
Interrupting
Rating
Nominal Cold
Resistance
(Ohms)
Nominal
Melting
I2t (A2 sec)
Nom
Voltage
Drop
(mV)
Nom
Power
Dissipation
(W)
Agency Approvals
®
PS
E
.125 0.125 350
100A @
350V AC
3.900 0.00286 N/A N/A x x
.250 0.250 350 1.150 0.0300 N/A N/A x x
.375 0.375 350 0.395 0.171 N/A N/A x x
.500 0.500 350 0.265 0.365 N/A N/A x x
.750 0.750 350 0.152 1.050 N/A N/A x x
001 1.0 350 0.103 2.220 N/A N/A x x x
01.5 1.5 350 0.0712 0.800 N/A N/A x x x
002 2.0 350 0.0497 1.50 N/A N/A x x x
02.5 2.5 350 0.0372 2.68 N/A N/A x x x
003 3.0 350 0.0317 4.62 N/A N/A x x x
03.5 3.5 350 0.0265 6.70 N/A N/A x x x
004 4 350 0.0240 9.40 N/A N/A x x x
005 5 350 0.0186 17.00 N/A N/A x x x
006 6 350 0.0154 22.10 N/A N/A x x x
007 7 350 0.0130 40 N/A N/A x x x
008 8 350 0.0107 56 N/A N/A x x x
010 10 350 0.0075 116 N/A N/A x x x
Electrical Characteristic Specifications by Item
t&MFDUSPOJD-JHIUJOH#BMMBTUT
®
PS
E
114
Cartridge, Axial Lead, and Plug-In Fuses
©2008 Littelfuse, Inc.
Revised: June 19, 2008
2AG > Fast-Acting > 208 Series
208 Series
Specifications are subject to change without notice.
Please refer to http://www.littelfuse.com/series/208.html for current information.
Average Time Current Curves
100
10
1
0.1
0.01
0.001
0.1 1 10 100 1000
1/8A
1/10A
1/4A
3/8A
1/2A
3/4A
1A
1 1/2A
2A
2 1/2A
3A
4A
5A
6A
7A
8A
10A
TIME IN SECONDS
CURRENT IN AMPERES
Soldering Parameters - Wave Soldering
Temperature Rerating Curve
Dwell Time
0
20
40
60
80
100
120
140
160
180
200
220
240
260
280
300
0
10
20
30
40
50
60
70
80
90
100
110
120
130
140
150
160
170
180
190
200
210
220
230
240
Time (Seconds)
Temperature (°C) - Measured on bottom side of board
Cooling Time
Preheat Time
Wave Parameter Lead-Free Recommendation
Preheat:
(Depends on Flux Activation Temperature) 5ZQJDBM*OEVTUSZ3FDPNNFOEBUJPO
Temperature Minimum: 100° C
Temperature Maximum: 150° C
Preheat Time: 60-180 seconds
Solder Pot Temperature: 280° C Maximum
Solder Dwell Time: 2-5 seconds
Recommended Hand-Solder Parameters:
4PMEFS*SPO5FNQFSBUVSF¡$¡$
)FBUJOH5JNFTFDPOETNBY
Note: These devices are not recommended for IR or
Convection Reflow process.
Recommended Process Parameters:
115
Cartridge, Axial Lead, and Plug-In Fuses
©2008 Littelfuse, Inc.
Revised: June 19, 2008
2AG > Fast-Acting > 208 Series
208 Series
Specifications are subject to change without notice.
Please refer to http://www.littelfuse.com/series/208.html for current information.
Product Characteristics
Dimensions
Materials
Body : Glass
Cap : Nickel Plated Brass
Leads: Tin Plated Copper
Terminal Strength .*-45%(.FUIPE"
Test Condition A
Solderability 3FGFSFODF*&$4FDPOE&EJUJPO
2003-01 Annex A
Product Marking
Cap1 : Brand logo, current and voltage
ratings
Cap2 : Series and agency approval marks
Operating
Temperature:
–55ºC to 125ºC.
Terminal
Shock:
.*-45%(.FUIPE(5FTU$POEJUJPO#
$ZDMFT$UP$
Vibration .*-45%(.FUIPE"
Humidity .*-45%(.FUIPE#5FTUDPOEJUJPO
")JHISFMBUJWFIVNJEJUZBOEFMFWBUFE
temperature (40ºC) for 240 hours
Salt Spray .*-45%(.FUIPE%5FTU$POEJUJPO#
Packaging Option Quantity Lead Type Quantity &
Option Code
208 Series
Bulk 1000 Cartridge MX
Bulk 1000 Axial Leads MXE
Packaging
208 000P Series 208 000EP Series
4.5
.177")
14.48
(.57")
14.48
(.57")
4.7 (.184") .635
(.025")
38.1
(1.50
"
) TYP.
Part Numbering System
0208 xxxx M X E
Option Codes
Packaging Code
Quantity Code
Current Rating Code
Series
Blank = Cartridge Type Fuse
E = Axial Leaded Fuse
X = Loose Pack
M = 1000
Refer to Amp Code column of
Electrical Characteristics Table