Axial Lead & Cartridge Fuses
2AG > Time Lag > 229/230 Series
229/230 Series
Lead-Free 2AG, Slo-Blo
®
Fuse and Indicating Slo-Blo
®
Fuse
Description
PS
E
The 2AG Slo-Blo
®
Fuses are available in cartridge form or
with axial leads. 2AG Fuses provide the same performance
characteristics as their 3AG counterpart, while occupying
one-third the space.
The fuse catalog number with the suffix “S” instantly
identifies itself upon opening by showing a discoloration
of its glass body. Guesswork and time consuming circuit
testing are eliminated. This unique design offers the same
quality performance characteristics as the standard 2AG
Slo-Blo
®
fuse design. When ordering the 2AG Indicating
Slo-Blo
®
Fuse, an 'S' is required after the catalog number.
Agency Approvals
Agency
Agency File Number
Ampere Range
Features
Standard 248-14
boradwashable in most
solvents
Lead-free
Applications
Standard 229/230 series meets the demanding
requirements of the Telecom Industry.
These fuses combine conventional overcurrent
protection with ability to withstand high current,
short duration pulses which complies to short circuit
and axial lead form
and with various lead
forming dimensions
available
E10480
LR 29862
E10480
PS
E
250mA - 3.5A
250mA - 7A
4A - 7A
1A - 7A
250mA - 7A
NBK210405 -
E10480D/F/G/H
Electrical Characteristics for Series
% of Ampere
Rating
100%
135%
200%
Opening Time
4 hours, Minimum
1 hour, Maximum
3 sec.onds, Maximum
20 seconds, Maximum
© 2009 Littelfuse, Inc.
Specifications are subject to change without notice.
Please refer to www.littelfuse.com/series/229.html
or /230.html for current information.
259
Revised: February 25, 2009
229/230 Series
229/230 Series
Introduction to & Cartridge Fuses
Axial Lead Circuit Protection
2AG > Time Lag > Transientology
229/230 Series
Electrical Characteristic Specification by Item
Amp
Code
.250
.350
.375
.500
.600
.750
.800
001.
1.25
01.5
002.
2.25
02.5
003.
03.5
004.
005.
006.
007.
Ampere Voltage
Rating
Rating
(A)
(V)
0.25
0.35
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
250
250
250
250
250
250
250
250
250
250
250
250
250
250
250
125
125
125
125
Interrupting
Rating
Nominal Cold
Resistance
(Ohms)
2.4300
1.3100
1.1685
0.6935
0.4805
0.3430
0.3060
0.2120
0.1460
0.1077
0.0698
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
0.490
0.580
1.16
1.75
2.95
3.45
5.64
9.80
15.0
30.0
39.0
50.0
77
.0
110.0
148.0
267
380
464
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
Agency Approvals
PS
E
35A@250Vac
10KA@125Vac
10KA@125Vdc
80A@310Vac
100A@250Vac
10KA@125Vac
10KA@125Vdc
80A@310Vac
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
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
100A@250Vac
10KA@125Vac
10KA@125Vdc
400A@125Vac
400A@125Vdc
229/230 Series
260
Revised: February 25, 2009
© 2009 Littelfuse, Inc.
Specifications are subject to change without notice.
Please refer to www.littelfuse.com/series/229.html
or /230.html for current information.
Axial Lead & Cartridge Fuses
2AG > Time Lag > 229/230 Series
Description
Standard 229 and 230 Series Slo-Blo fuses meet the demanding requirements of the Telecom industry. These fuses combine
conventional overcurrent protection with the ability to withstand high current, short duration pulses. These fuses comply
Features
Fuses are boardwashable in most solvents.
Available in cartridge and axial lead from and with various lead forming dimensions.
RoHS compliant and lead-free.
Available in ratings from 250mA to 1.25A.
Applications
Surge Withstand Specificatons
Peak Withstand Current(lp):
These fuses will withstand 50 repetitions of a double exponential impulse wave having peak
currents(lp) and peak voltages as listed.
Amp Code
Ampere Rating
(A)
Interrupting
Rating
Nominal Cold
Resistance
(Ohms)
Nominal
Melting
I
2
t (A
2
sec)
10 x 160 μs
1500V
10 x 560 μs
800V
10 x 1000 μs
1000V
* 500A peak, 2500V, 2 x 10 microseconds, 20 repetitions
© 2009 Littelfuse, Inc.
Specifications are subject to change without notice.
Please refer to www.littelfuse.com/series/229.html
or /230.html for current information.
261
Revised: February 25, 2009
229/230 Series
229/230 Series
.250
.350
.375
.500
.600
.750
.800
001.
1.25
0.25
0.35
0.375
0.5
0.6
0.75
0.8
1
1.25*
60A@600Vac
40A@600Vac
7A@600Vac
2.2A@600Vac
2.4300
1.3100
1.1685
0.6935
0.4805
0.3430
0.3060
0.2120
0.1460
0.216
0.490
0.580
1.16
1.75
2.95
3.45
5.64
9.80
23.0A
34.0A
40.0A
60.0A
71.0A
91.0A
104.0A
130A
162.0A
16.6A
25.8A
25.4A
37
.7A
47
.2A
65.5A
68.9A
88.6A
118.1A
12.4A
19.3A
19.0A
28.2A
35.3A
49.0A
51.6A
66.3A
100.0A
Introduction to & Cartridge Fuses
Axial Lead Circuit Protection
2AG > Time Lag > Transientology
229/230 Series
Temperature Rerating Curve
Average Time Current Curves
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
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
Recommended Process Parameters:
Wave Parameter
Preheat:
(Depends on Flux Activation Temperature)
(Typical Industry Recommendation)
Temperature Minimum:
Temperature Maximum:
Preheat Time:
Solder Pot Temperature:
Solder Dwell Time:
Time
(Seconds)
Preheat
Time
Dwell
Time
Cooling
Time
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.
.250A
.375A
.500A
.750A
1.00A
1.50A
2.0A
2 .5A
3.0A
3.5A
4A
5A
7A
Lead-Free Recommendation
100
°
C
150
°
C
60-180 seconds
260
°
C Maximum
2-5 seconds
229/230 Series
262
Revised: February 25, 2009
© 2009 Littelfuse, Inc.
Specifications are subject to change without notice.
Please refer to www.littelfuse.com/series/229.html
or /230.html for current information.
Axial Lead & Cartridge Fuses
2AG > Time Lag > 229/230 Series
Product Characteristics
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:
Product Marking
Cap2:
Brand logo, current and voltage
ratings
Series and agency approval
marks
Operating Temperature
Thermal Shock
Vibration
–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
temperature(40ºC) for 240
hours
MIL
-STD-202G, Method 101D,
Test Condition B
Materials
Terminal Strength
Solderability
Humidity
Salt Spray
Dimensions
Part Numbering System
229
000P
Series
4.7 (.184")
4.5
(.177")
14.48
(.57")
230
000P
Series
.635
(.025")
Series
Amp Code
0229 xxxx M X P
14.48
(.57")
Refer to Amp Code column of
Electrical Characteristics Table
38.1
(1.50") TYP.
Quantity Code
M = 1000
Axial Lead Material: Solder coated Copper.
Packaging Code
X = Filler
Lead-free
© 2009 Littelfuse, Inc.
Specifications are subject to change without notice.
Please refer to www.littelfuse.com/series/229.html
or /230.html for current information.
263
Revised: February 25, 2009
229/230 Series
229/230 Series
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