Axial Lead & Cartridge Fuses
3.6x10mm > Time-Lag Fuse > 677 Series
677 Series, 3.6x10mm, Time-Lag Fuse
Description
RoHS
Pb
The 3.6 x 10mm Time-Lag Fuse with ceramic body
construction permits higher interrupting ratings and voltage
ratings. Ideal for applications where high current loads
are expected.
Features
• Available in cartridge
and axial lead format
and with various forming
dimensions
Agency Approvals
Agency
Agency File Number
Ampere Range
• Meets the requirements
of IEC 60127-3, Standard
Sheet 4.
• Time-Lag, ceramic
body fuse in a compact
package.
• Halogen free, Lead-free
and RoHS compliant
0.250 - 6.3A
0.250 - 6.3A
0.250 - 6.3A
0.250 - 6.3A
CQC09012032902
222984
E10480
40006258
Applications
• Lighting
• Power supply
Electrical Characteristics for Series
% of Ampere
Rating
150%
210%
Opening Time
60 minutes, Minimum
2 minutes, Maximum
400msec., Min.; 10 sec. Max.
150msec., Min.; 0.3 sec. Max.
20msec., Min.; 150msec Max.
• Adapter applications
Additional Information
Datasheet
Resources
Samples
275%
400%
1000%
Electrical Specification by Item
Ampere
Rating
(A)
.250
.315
.400
.500
.630
.800
001.
002.
004.
005.
01.6
02.5
06.3
1.25
3.15
Amp
Code
.250
.315
.400
.500
.630
.800
001.
002.
004.
006.
01.6
02.5
06.3
1.25
3.15
Voltage
Rating
(V)
250
250
250
250
250
250
250
250
250
250
250
250
280
250
250
Interrupting
Rating
Nominal Cold Nominal
Resistance
Melting
(Ohms)
I
2
t (A
2
sec)
0.00063
0.00046
0.00036
0.00031
0.000178
0.000125
0.000092
0.000035
0.000016
0.000014
0.000048
0.000028
0.000009
0.000065
0.00002
0.312
0.422
0.755
1.32
2.55
3.25
6.95
20.8
95
140
18.2
32.5
240
12.1
40.8
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
Agency Approvals
35A@250VAC
40A@250VAC
50A@250VAC
35A@250VAC
63A@250VAC
35A@250VAC
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
I
2
t test at 10x rated current
© 2016 Littelfuse, Inc.
Specifications are subject to change without notice. Application testing is strongly recommended.
Revised: 12/05/16
Axial Lead & Cartridge Fuses
3.6x10mm > Time-Lag Fuse > 677 Series
Temperature Re-rating Curve
Average Time Current Curves
250mA
315mA
400mA
500mA
630mA
800mA
1A
1.25A
1.6A
2A
2.5A
3.15A
4A
5A
6.3A
1000
100
TIME IN SECONDS
Note:
Rerating depicted in this curve is in addition to the standard derating of 25%
for continuous operation.
10
1
0.1
0.01
0.1
1
10
CURRENT IN AMPERES
100
1000
Soldering Parameters - Wave Soldering
300
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 (°C) - Measured on bottom side of board
Recommended Process Parameters:
Wave Parameter
Preheat:
(Depends on Flux Activation Temperature)
(Typical Industry Recommendation)
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
© 2016 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: 12/05/16
Axial Lead & Cartridge Fuses
3.6x10mm > Time-Lag Fuse > 677 Series
Product Characteristics
Materials
Terminal Strength
Solderability
Body:
Ceramic
Cap:
Nickel–plated Brass
Leads:
Tin–plated Copper
MIL-STD-202, Method 211, Test
Condition A
MIL-STD-202 Method 208
Cap1:
Brand logo, current and voltage
ratings
Cap2:
Series and agency approval
marks
Operating
Temperature
Thermal Shock
Vibration
Humidity
–55ºC to +125ºC
MIL
-STD-202, Method 107 Test Condition
,
B (5 cycles, -65°C to +125°C)
MIL
-STD-202, Method 201
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
Product Marking
Salt Spray
Dimensions
Measurements displayed in millimeters (inches)
Part Numbering System
677
000
Series
0.6 (.024") ( 0.250 -4A)
0.8 (.031") (5 -6.3A)
0677 xxxx M X E P
Series
Amp Code
Refer to Amp Code column of
Electrical Characteristics Table
3.9
(.153")
11.0
(.433")
30.0
(1.181") TYP.
Quantity Code
M = 1000
Axial Lead Material: Solder coated copper.
Packaging Code
X = Filler
Option Code
E = Axial Leaded
Lead-free
P
= Lead-Free
Others = Special Options
Please call Littelfuse for detail
Packaging
Packaging Option
Bulk
Tape and Reel
Packaging Specification
N/A
EIA-296
Quantity
1000
1500
Quantity and
Packaging Code
MXE
DRT4
Taping Width
N/A
56.5mm
© 2016 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: 12/05/16