Cartridge, Axial Lead, and Plug-In Fuses
2AG > Time Lag > 209 Series
RoHS
Pb
209 Series
Lead-Free 2AG, Slo-Blo (Time Lag) Fuse
Description
®
PS
E
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
with Underwriter’s
Laboratories Standard UL
248-14
Agency Approvals
Agency
®
and axial lead form and
with various forming
dimensions
free
Agency File Number
Ampere Range
in most solvents
Applications
E10480
PS
E
250mA - 1A
1A
250mA - 1A
Electrical Characteristics for Series
% of Ampere
Rating
100%
135%
200%
Opening Time
4 hours, Minimum
1 hour, Maximum
3 secs., Min; 20 secs., Max
Electrical Characteristic Specifications by Item
Ampere
Rating
(A)
0.25
0.375
0.5
0.6
0.75
0.8
1
Max
Voltage
Rating
(V)
350
350
350
350
350
350
350
100A @ 350Vac
Nominal Cold Nominal
Resistance
Melting
(Ohms)
I
2
t (A
2
sec)
2.410
1.170
0.688
0.477
0.340
0.304
0.210
0.216
0.580
1.160
1.750
2.950
3.450
5.640
Nom
Voltage
Drop
(mV)
N/A
N/A
N/A
N/A
N/A
N/A
N/A
Nom
Power
Dissipation
(W)
N/A
N/A
N/A
N/A
N/A
N/A
N/A
Agency Approvals
PS
E
Amp
Code
.250
.375
.500
.600
.750
.800
001
Interrupting
Rating
®
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
©2008 Littelfuse, Inc.
Please refer to http://www.littelfuse.com/series/209.html for current information.
117
Revised: June 19, 2008
209 Series
Cartridge, Axial Lead, and Plug-In Fuses
2AG > Time Lag > 209 Series
Temperature Rerating Curve
Average Time Current Curves
.250A
.375A
.500A
.750A
1.00A
1000
100
TIME IN SECONDS
10
1
0.1
0.01
0.1
1
10
100
CURRENT IN AMPERES
1000
Soldering Parameters - Wave Soldering
300
Recommended Process Parameters:
Wave Parameter
Preheat:
(Depends on Flux Activation Temperature)
Temperature
(°C) - Measured on bottom side of board
280
260
240
220
200
180
160
140
120
100
80
60
40
20
100
110
120
130
150
160
170
180
190
200
210
220
230
140
240
10
20
30
40
50
60
70
80
90
0
0
Lead-Free Recommendation
Temperature Minimum:
Temperature Maximum:
Preheat Time:
Solder Pot Temperature:
Solder Dwell Time:
100
°
C
150
°
C
60-180 seconds
280
°
C Maximum
2-5 seconds
Recommended Hand-Solder Parameters:
Time
(Seconds)
Preheat
Time
Dwell
Time
Cooling
Time
Note: These devices are not recommended for IR or
Convection Reflow process.
209 Series
118
Revised: June 19, 2008
©2008 Littelfuse, Inc.
Please refer to http://www.littelfuse.com/series/209.html for current information.
Cartridge, Axial Lead, and Plug-In Fuses
2AG > Time Lag > 209 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:
Terminal
Shock:
Vibration
Humidity
temperature (40ºC) for 240 hours
Salt Spray
–55ºC to 125ºC.
Dimensions
Part Numbering System
209
000P
Series
4.5
(.177")
14.48
(.57")
209
000EP
Series
.635
(.025")
14.48
(.57")
Series
0209 xxxx M X E
4.7 (.184")
Current Rating Code
Refer to Amp Code column of
Electrical Characteristics Table
38.1
(1.50") TYP.
Quantity Code
M = 1000
Packaging Code
X = Loose Pack
Option Codes
Blank = Cartridge Type Fuse
E = Axial Leaded Fuse
Packaging
Quantity &
Option Code
MX
MXE
Packaging Option
209 Series
Bulk
Bulk
Quantity
Lead Type
1000
1000
Cartridge
Axial Leads
©2008 Littelfuse, Inc.
Please refer to http://www.littelfuse.com/series/209.html for current information.
119
Revised: June 19, 2008
209 Series