Axial Lead & Cartridge Fuses
2AG > Time Lag > 229/230 Series
229/230 Series 2AG, Slo-Blo
®
Fuse with Indicating Option
Description
RoHS
Pb
PS
E
Littelfuse 229/230 series Slo-Blo
®
Fuses are available in
2AG size cartridge or axial lead form, offer tripped fuse
indicating option, and offer features designed to meet
rigorous Telecom industry requirements.
229/230 series product ordered with the tripped fuse
indicating option show discoloration of the glass body
immediately after trip. They offer the same performance
characteristics as standard product, and help to reduce
time locating the tripped fuse and troubleshooting circuit
issues.
Agency Approvals
Agency
Agency File Number
Ampere Range
E10480
29862
E10480
NBK200405 - E10480C/D
NBK110512 - E10480A/B
NBK210405 - E10480E/F
N/A
0.250A - 3.5A
0.250A - 7A
4A - 7A
1A - 3.5A
4A - 5A
6A - 7A
0.250A - 7A
The 229/230 series 0.25A - 1.25A range combines
conventional overcurrent protection with ability to
withstand high current, short duration pulses which
complies to short circuit requirements of UL 60950
for telephone equipment. Insulating sleeve option is
also available. Please refer to the Surge Withstand
Specifications section of this document for additional
information.
Features
• Available in cartridge
and axial lead form, and
a wide range of lead
forming dimension and
packaging options
• In accordance with UL
Standard 248-14
• Fuses are available for
board washable with
the additional sealing
process (add suffix ‘A’ to
part number)
• Sleeved fuse option
available (contact
Littelfuse for additional
information)
PS
E
Electrical Characteristics for Series
% of Ampere
Rating
100%
135%
200%
Opening Time
4 hours, Minimum
1 hour, Maximum
3 seconds, Minimum
20 seconds, Maximum
• RoHS compliant and
Lead-free
• Tripped fuse indicating
option (add suffix ‘S’ to
part number)
Additional Information
Datasheet
229 Series
Resources
229 Series
Samples
229 Series
Accessories
229 & 230 Series
Datasheet
230 Series
Resources
230 Series
Samples
230 Series
For recommended fuse accessories for this product series,
see ‘Recommended
Accessories’
section.
© 2016 Littelfuse, Inc.
Specifications are subject to change without notice. Application testing is strongly recommended.
Revised: 06/23/16
Axial Lead & Cartridge Fuses
2AG > Time Lag > 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)
0.339
0.640
0.820
1.64
1.75
2.95
3.45
5.64
16.8
20.0
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
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)
10×160 µs
1500V
10×560 µs
800V
10×1000 µs
1000V
.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
0.339
0.640
0.820
1.64
1.75
2.95
3.45
5.64
16.8
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
* 500A peak, 2500V, 2×10 microseconds, 20 repetitions
© 2016 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: 06/23/16
Axial Lead & Cartridge Fuses
2AG > Time Lag > 229/230 Series
Temperature Re-rating Curve
Average Time Current Curves
1000
100
TIME IN SECONDS
10
1
Note:
Rerating depicted in this curve is in addition to the industry practice derating of 25%
for continuous operation.
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)
(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
Temperature Minimum:
Temperature Maximum:
Preheat Time:
Solder Pot Temperature:
Solder Dwell 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.
Time (Seconds)
Preheat Time
Dwell Time
Cooling Time
© 2016 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: 06/23/16
.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
Axial Lead & Cartridge Fuses
2AG > Time Lag > 229/230 Series
Product Characteristics
Materials
Terminal Strength
Solderability
Body: Glass
Cap: Nickel–plated brass
Leads: Tin–plated Copper
MIL-STD-202, Method 211, Test
Condition A
MIL-STD-202 method 208
Cap1:
Product Marking
Cap2:
Brand logo, current and voltage
ratings
Series and agency approval
marks
Operating Temperature
Thermal Shock
Vibration
Humidity
–55ºC to +125ºC
MIL
-STD-202, Method 107 Test
,
Condition B: (5 cycles - -65ºC
to 125ºC)
MIL
-STD-202, Method 201
MIL
-STD-202, Method 103, Test
Condition A: High RH (95%)
and Elevated temperature
(40ºC) for 240 hours
MIL
-STD-202, Method 101, Test
Condition B
Salt Spray
Dimensions
Part Numbering System
229 000P Series
4.2 - 4.8
(.16" - .19”)
4.2 - 4.8
(.16" - .19”)
14.1 - 14.9
(.56" - .59”)
230
000EP Series
000P Series
.635 ± .06
(.025" ± .002”)
14.1 - 14.9
(.56" - .59”)
38.1 ± 1
(1.50" ± .04”) TYP.
0229 xxxx M X P
Series
Amp Code
Refer to Amp Code column of
Electrical Characteristics Table
Quantity Code
M = 1000
Axial Lead Material: Solder coated Copper.
Packaging Code
X = Filler
Lead-free
Recommended Accessories
Accessory
Type
Series
245
Holder
Block
Clip
150
286
254
111
Description
Panel Mount Shock-Safe Fuseholder
In-Line Fuseholder
Panel Mount Flip-Top Shock-Safe Fuseholder
OMNI-BLOK
®
Fuse Block
PC Board Mount Fuse Clip
Max
Application
Voltage
300
350
250
400
250
Max
Application
Amperage
10
10
10
10
10
Notes:
1. Do not use in applications above rating.
2. Please refer to fuseholder data sheet for specific re-rating information.
3. Please contact factory for applications greater than the max voltage and amperage shown.
© 2016 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: 06/23/16
Axial Lead & Cartridge Fuses
2AG > Time Lag > 229/230 Series
Packaging
Packaging Option
229 Series
Bulk
Bulk
Bulk
Bulk
Bulk
Bulk
230 Series
Bulk
Bulk
Bulk
Bulk
Bulk
Bulk
Bulk
Bulk
Bulk
Bulk
Bulk
Bulk
Bulk
Bulk
Bulk
Bulk
Reel and Tape
Reel and Tape
Reel and Tape
Reel and Tape
Reel and Tape
Reel and Tape
Reel and Tape
Reel and Tape
Reel and Tape
Reel and Tape
Reel and Tape
Reel and Tape
Reel and Tape
Reel and Tape
Reel and Tape
Reel and Tape
Reel and Tape
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
EIA 296-E
EIA 296-E
EIA 296-E
EIA 296-E
EIA 296-E
EIA 296-E
EIA 296-E
EIA 296-E
EIA 296-E
EIA 296-E
EIA 296-E
EIA 296-E
EIA 296-E
EIA 296-E
EIA 296-E
EIA 296-E
EIA 296-E
5
5
100
100
1000
1000
1000
1000
1000
1000
1000
1000
1000
1000
1000
1000
1500
1500
1500
2500
2500
1000
1500
1500
1500
1500
1500
1500
1500
2500
2500
2500
2500
VX
VXS
HX
HXS
MX
MXE
MXF1
MXF16
MXF16O
MXF17
MXF17O
MXF23
MXF23O
MXF32
MXO
MXS
DRT2
DRT2S
DRT4
ERT2
ERT2S
MRT1E
DAT1
DAT1O
DRT1
DRT1S
DRT1SS
DRT3
DRT3S
ERT1
ERT1S
ERT3
ERT3S
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
T2=63mm (2.500”)
T2=63mm (2.500”)
N/A
T2=63mm (2.500”)
T2=63mm (2.500”)
T1=53mm (2.087”)
T1=53mm (2.087”)
T1=53mm (2.087”)
T1=53mm (2.087”)
T1=53mm (2.087”)
T1=53mm (2.087”)
T3=73mm (2.874”)
T3=73mm (2.874”)
T1=53mm (2.087”)
T1=53mm (2.087”)
T3=73mm (2.874”)
T3=73mm (2.874”)
N/A
N/A
N/A
N/A
N/A
N/A
5
5
100
100
1000
1000
VX
VXS
HX
HXS
MX
MXS
N/A
N/A
N/A
N/A
N/A
N/A
Packaging Specification
Quantity
Quantity &
Packaging Code
Taping Width
© 2016 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: 06/23/16
