Axial Lead & Cartridge Fuses
2AG > Fast-Acting > 208 Series
208 Series
Lead-Free 2AG, Fast-Acting Fuse
PS
E
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.
Features
with Underwriter’s
Laboratories Standard
UL 248-14
Agency Approvals
and axial lead form
Agency
Agency File Number
Ampere Range
and with various lead
forming dimensions
Lead-free
E10480
PS
E
125mA - 10A
1A - 5A
6A - 10A
125mA - 10A
Applications
applications
Electrical Characteristics for Series
% of Ampere
Rating
100%
135%
200%
Opening Time
Min.
Max.
1 Second,
Max.
NBK200405-E10480 C/D
NBK060405-E10480 E/F
Electrical Characteristic Specifications by Item
Nominal Cold
Resistance
(Ohms)
3.900
1.150
0.395
0.265
0.152
0.103
0.0712
100A @
350V AC
0.0497
0.0372
0.0317
0.0265
0.0240
0.0186
0.0154
0.0130
0.0107
0.0075
247
Revised: April 1, 2010
Amp Code
Amp Rating
Voltage
Rating
350
350
350
350
350
350
350
350
350
350
350
350
350
350
350
350
350
Interrupting
Rating
Nominal
Melting
2
I t (A
2
sec)
0.00286
0.0300
0.171
0.365
1.050
2.220
0.800
1.50
2.68
4.62
6.70
9.40
17
.00
22.10
40
56
116
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
Agency Approvals
PS
E
.125
.250
.375
.500
.750
001.
01.5
002.
02.5
003.
03.5
004.
005.
006.
007
.
008.
010.
© 2009 Littelfuse, Inc.
0.125
0.250
0.375
0.500
0.750
1.0
1.5
2.0
2.5
3.0
3.5
4
5
6
7
8
10
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
208 Series
Specifications are subject to change without notice.
Please refer to www.littelfuse.com/series/208.html for current information.
208 Series
Introduction to & Cartridge Fuses
Axial Lead Circuit Protection
Transientology
2AG > Fast-Acting > 208 Series
Temperature Rerating Curve
Average Time Current Curves
100
10
TIME IN SECONDS
1
0.1
0.01
0.001
0.1
1
10
100
CURRENT IN AMPERES
1000
Soldering Parameters - Wave Soldering
300
280
260
240
220
200
180
160
140
120
100
80
60
40
20
100
110
120
130
140
150
160
170
180
190
200
210
220
230
240
10
20
30
40
50
60
70
80
90
0
0
Temperature
(°C) - Measured on bottom side of board
Recommended Process Parameters:
Wave Parameter
Preheat:
(Depends on Flux Activation Temperature)
Temperature Minimum:
Temperature Maximum:
Preheat Time:
Solder Pot Temperature:
Solder Dwell Time:
Recommended Hand-Solder Parameters:
Time
(Seconds)
Preheat
Time
Dwell
Time
Cooling
Time
Note: These devices are not recommended for IR or
Convection Reflow process.
1/4A
3/8A
1/2A
3/4A
1A
1 1/2A
2A
2 1/2A
3A
4A
5A
6A
7A
8A
10A
1/10A
1/8A
Lead-Free Recommendation
100
°
C
150
°
C
60-180 seconds
260
°
C Maximum
2-5 seconds
208 Series
248
© 2009 Littelfuse, Inc.
Specifications are subject to change without notice.
Please refer to www.littelfuse.com/series/208.html for current information.
Axial Lead & Cartridge Fuses
2AG > Fast-Acting > 208 Series
Product Characteristics
Materials
Terminal Strength
Solderability
Product Marking
Body : Glass
Cap : Nickel–plated brass
Leads: Tin–plated Copper
Test Condition A
2003-01 Annex A
Cap1 : Brand logo, current and voltage
ratings
Cap2 : Series and agency approval marks
Operating
Temperature:
Thermal
Shock:
Vibration
Humidity
for 240 hours
Salt Spray
–55ºC to 125ºC.
Dimensions
Part Numbering System
208
000P
Series
4.7 (.184")
4.7
(.184")
14.48
(.57")
208
000EP
Series
.635
(.025")
0208 xxxx M X E P
Series
Current Rating Code
Refer to Amp Code column of
Electrical Characteristics Table
14.48
(.57")
38.1
(1.50") TYP.
Quantity Code
M = 1000
Packaging Code
X = Loose Pack
Option Codes
Blank = Cartridge Type Fuse
E = Axial Leaded Fuse
Lead-free
Packaging
Packaging Option
208 Series
Bulk
Bulk
N/A
N/A
1000
1000
1500
MX
MXE
N/A
N/A
T1=52mm (2.062”)
Packaging Specification
Quantity
Taping Width
© 2009 Littelfuse, Inc.
Specifications are subject to change without notice.
Please refer to www.littelfuse.com/series/208.html for current information.
249
208 Series
208 Series
Quantity & Packaging
Code
Introduction to Circuit Protection
Transientology
250
© 2009 Littelfuse, Inc.
Specifications are subject to change without notice.
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