Axial Lead & Cartridge Fuses
5×20 mm > Time-Lag > 618 Series
618 Series, 5×20 mm, Time-Lag Fuse
RoHS
Pb
Description
5×20mm Time-Lag glass body cartridge fuse designed to
IEC specification.
Features
• Designed to International
(IEC ) Standards for use
globally
• Meets the IEC 60127-2,
Sheet 3 specification for
Time-Lag fuses
Agency Approvals
Agency
Agency File Number
• Available in cartridge and
axial lead form
• RoHS compliant and
lead-free
Applications
Ampere Range
2005010207170553
0.125A-6.3A
Used as supplementary protection in appliance or
utilization equipment to provide individual protection for
components or internal circuits.
E10480
0.125A-10A
Additional Information
29862
0.125A-10A
40013496
N/A
* Approval for Cartridge versions only
0.125A – 10A
0.125A-10A
Datasheet
Resources
Samples
Electrical Characteristics
% of Ampere
Rating
150%
210%
275%
400%
1000%
Ampere Rating
Opening Time
0.125A-6.3A
60 minutes, Minimum
8A-10A
30 minutes, Minimum
0.125A-6.3A
120 sec., Maximum
8A-10A
120 sec., Maximum
0.125A-6.3A
600 ms., Min.; 10 sec. Max.
8A-10A
600 ms., Min.; 10 sec. Max.
0.125A-6.3A
150 ms., Min.; 3 sec. Max.
8A-10A
150 ms., Min.; 3 sec. Max.
0.125A-6.3A
20 ms., Min.; 300 ms. Max.
8A-10A
20 ms., Min.; 300 ms. Max.
© 2015 Littelfuse, Inc.
Application testing is strongly recommended. Specifications are subject to change without notice.
Revised: 06/22/15
Axial Lead & Cartridge Fuses
5×20 mm > Time-Lag > 618 Series
Electrical Characteristics
Agency Approvals
Amp
Rating
(A)
Voltage
Rating
(V)
.125
0.125
250
4.2000
0.1465
1900
1.6
x
x
x
x
x
.160
0.16
250
3.7000
0.14400
1500
1.6
x
x
x
x
x
.200
0.2
250
1.6000
0.3410
1300
1.6
x
x
x
x
x
.250
0.25
250
1.0495
0.5405
1100
1.6
x
x
x
x
x
.315
0.315
250
0.8475
1.1100
1000
1.6
x
x
x
x
x
.400
0.4
250
0.5350
1.3250
900
1.6
x
x
x
x
x
.500
0.5
250
0.3700
2.8250
300
1.6
x
x
x
x
x
.630
0.63
250
0.2750
4.6750
250
1.6
x
x
x
x
x
.800
0.8
250
0.0813
3.370
150
1.6
x
x
x
x
x
001.
1
250
0.0613
6.730
150
1.6
x
x
x
x
x
1.25
1.25
250
0.0446
12.650
150
1.6
x
x
x
x
x
01.6
1.6
250
0.0336
23.350
150
1.6
x
x
x
x
x
002.
2
250
0.0293
14.450
150
1.6
x
x
x
x
x
02.5
2.5
250
0.0219
23.250
120
1.6
x
x
x
x
x
3.15
3.15
250
0.0173
38.150
100
1.6
x
x
x
x
x
004.
4
250
40 A @ 250 VAC
0.0129
69.10
100
1.6
x
x
x
x
x
005.
5
250
50 A @ 250 VAC
0.0104
111.00
100
1.6
x
x
x
x
x
06.3
6.3
250
63 A @ 250 VAC
0.0076
198.50
100
1.6
x
x
x
x
x
008.
8
250
80 A @ 250 VAC
0.0059
341.50
100
4
x
x
x
x
010.
10
250
100 A @ 250 VAC
0.0045
568.00
100
4
x
x
x
x
Interrupting
Rating
35 A @ 250 VAC
Nominal Cold
Resistance
(Ohms)
Maximum
Maximum
Voltage Drop at
Power
Rated Current Dissipation At
(mV)
1.5ln(W)
Amp
Code
Average Time Current Curves
0.125A
0.160A
0.200A
0.250A
0.315A
0.400A
0.500A
0.630A
0.800A
1A
1.25A
1.6A
2A
2.5A
3.15A
4A
5A
6.3A
8A
10A
Temperature Re-rating Curve
Nominal
Melting
I2t (A2 sec)
10000
1000
TIME IN SECONDS
100
10
1
0.1
Note:
Rerating depicted in this curve is in addition to the standard derating of 25%
for continuous operation.
0.01
0.01
0.1
1
10
CURRENT IN AMPERES
© 2015 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: 06/22/15
100
Axial Lead & Cartridge Fuses
5×20 mm > Time-Lag > 618 Series
Soldering Parameters - Wave Soldering
Recommended Process Parameters:
280
Wave Parameter
260
240
Lead-Free Recommendation
Preheat:
220
(Depends on Flux Activation Temperature)
200
180
160
140
120
100
80
60
(Typical Industry Recommendation)
Temperature Minimum:
100°C
Temperature Maximum:
Preheat Time:
150°C
60-180 seconds
Solder Pot Temperature:
260°C Maximum
Solder Dwell Time:
2-5 seconds
40
Time (Seconds)
Cooling Time
Preheat Time
Dwell Time
240
230
220
210
200
190
180
170
160
150
140
130
120
110
90
100
80
70
60
50
40
30
0
0
20
20
10
Temperature (°C) - Measured on bottom side of board
300
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.
Product Characteristics
Material
Body: Glass
Cap: Nickel–plated Brass
Leads: Tin–plated Copper
Terminal Strength
MIL-STD-202, Method 211, Test
Condition A
Solderability
MIL-STD-202 method 208
Product Marking
Cap1: Brand logo, current and
voltage ratings
Cap2: Agency approval marks
Packaging
Available in Bulk (M=1000 pcs/pkg)
or on Tape/Reel (MRET1=1000 pcs/
reel)
Operating Temperature
–55ºC to +125ºC
Thermal Shock
MIL-STD-202, Method 107, Test
Condition B (5 cycles, –65°C to
+125°C)
Vibration
MIL-STD-202, Method 201
Humidity
Salt Spray
MIL-STD-202, Method 103, Test
Condition A (High RH (95%) and
elevated temperature (40°C) for 240
hours)
MIL-STD-202, Method 101, Test
Condition B
© 2015 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: 06/22/15
Axial Lead & Cartridge Fuses
5×20 mm > Time-Lag > 618 Series
Dimensions
Part Numbering System
0618 xxxx M X E P
20+0.5
Series
5.2+0.1
-0.2
0618 000P
5.1+0.6
Amp Code
Refer to Amp Code column of
Electrical Characteristics Table
5.1+0.6
Quantity Code
M = 1000
0618.125 XEP
to
0618010. XEP
40±1.0
5.5±0.3
21.5±1.0
Packaging Code
X = Filler
Option Codes
0.65±0.05*
Blank : Cartidge Type Fuse
E
: Axial Lead Fuse
All dimensions in mm
Lead-free
Notes:
* Ratings above 6.3A have 0.8±0.05 diameter lead.
Packaging
Packaging Option
Packaging Specification
Quantity
Quantity &
Packaging Code
Taping Width
N/A
N/A
EIA 296-E
N/A
N/A
N/A
1000
1000
1000
1000
1000
100
MX
MXE
MRET1
MXG
MXB
HX
N/A
N/A
T1=53mm (2.087”)
N/A
N/A
N/A
618 Series
Bulk
Bulk
Reel and Tape
Bulk
Bulk
Bulk
© 2015 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: 06/22/15
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