Axial Lead & Cartridge Fuses
2AG > Time Lag > 209 Series
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
• In accordance
with Underwriter’s
Laboratories Standard
UL 248-14
Ampere Range
with various forming
dimensions
• RoHS compliant and
Lead-free
Agency Approvals
Agency
Agency File Number
• Available in cartridge
and axial lead form and
Applications
• Electronic Lighting Ballasts
E10480
PS
E
250mA - 7A
1A - 3.5A
4A - 5A
6A - 7A
250mA - 7A
NBK210405-E10480G/H
NBK210405-E10480C/D
NBK210405-E10480E/F
Electrical Characteristics for Series
Additional Information
% of Ampere
Rating
100%
135%
200%
Opening Time
4 Hours,
Min.
1 Hour,
Max.
3 Sec.
Min.
; 20 Sec.
Max.
Datasheet
Resources
Samples
Electrical Characteristic Specifications by Item
Amp
Code
.250
.375
.500
.600
.750
.800
001.
1.25
01.5
002
2.25
02.5
003
03.5
004
005
006
007
Ampere
Rating
(A)
0.25
0.375
0.5
0.6
0.75
0.8
1
1.25
1.5
2
2.25
2.5
3
3.5
4
5
6
7
Voltage
Rating
(V)
350
350
350
350
350
350
350
350
350
350
350
350
350
350
350
350
350
350
100A @
350Vac
Interrupting
Rating
Nominal Cold
Resistance
(Ohms)
2.410
1.170
0.688
0.477
0.340
0.304
0.210
0.1460
0.1077
0.0689
0.0567
0.0502
0.0383
0.0312
0.0258
0.0186
0.0141
0.0116
Nominal
Melting
I
2
t (A
2
sec)
0.216
0.580
1.160
1.750
2.950
3.450
5.640
9.80
15.0
30.0
39.0
50.0
77
.0
110
148
267
380
464
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
x
Agency Approvals
PS
E
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
© 2014 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: 03/10/14
Axial Lead & Cartridge Fuses
2AG > Time Lag > 209 Series
Temperature Rerating Curve
Average Time Current Curves
Soldering Parameters - Wave Soldering
300
Recommended Process Parameters:
Wave Parameter
Preheat:
(Depends on Flux Activation Temperature)
(Typical Industry Recommendation)
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
140
150
160
170
180
190
200
210
220
230
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
260
°
C Maximum
2-5 seconds
Recommended Hand-Solder Parameters:
Solder Iron Temperature: 350° C +/- 5°C
Heating Time: 5 seconds max.
Note: These devices are not recommended for IR or
Convection Reflow process.
Time (Seconds)
Preheat Time
Dwell Time
Cooling Time
© 2014 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: 03/10/14
Axial Lead & Cartridge Fuses
2AG > Time Lag > 209 Series
Product Characteristics
Materials
Terminal Strength
Solderability
Product Marking
Body : Glass
Cap : Nickel–plated brass
Leads: Tin–plated Copper
MIL-STD-202G, Method 211A,
Test Condition A
Reference IEC 60127 Second Edition
2003-01 Annex A
Cap1 : Brand logo, current and voltage
ratings
Cap2 : Series and agency approval marks
Operating
Temperature:
Thermal
Shock:
Vibration
Humidity
–55ºC to 125ºC.
MIL
-STD-202G, Method 107G, Test Condition B
(5 Cycles -65ºC to +125ºC).
MIL
-STD-202G, Method 201A
MIL
-STD-202G, Method 103B, Test Condition
A: High RH (95%) and elevated temp (40ºC)
for 240 hours
MIL
-STD-202G, Method 101D, Test Condition B
Salt Spray
Dimensions
Part Numbering System
0209 xxxx M X E P
209 000P Series
4.2 - 4.8
(.16" - .19”)
4.2 - 4.8
(.16" - .19”)
14.1 - 14.9
(.56" - .59”)
14.1 - 14.9
(.56" - .59”)
209 000EP Series
.635 ± .06
(.025" ± .002”)
38.1 ± 1
(1.50" ± .04”) TYP.
Series
Current Rating Code
Refer to Amp Code column of
Electrical Characteristics Table
Quantity Code
M = 1000
Packaging Code
X = Loose Pack
Option Codes
Blank = Cartridge Type Fuse
E = Axial Leaded Fuse
Lead-free
Packaging Option
209 Series
Bulk
Bulk
Reel and Tape
Packaging Specification
Quantity
Quantity & Packaging
Code
MX
MXE
DRT1
Taping Width
N/A
N/A
EIA 296-E
1000
1000
1500
N/A
N/A
T1=53mm (2.087”)
© 2014 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: 03/10/14
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