File No:JS-S1206-SD-00
Revision: C
1206Size>Slow Blow> S1206-SD Series
Page: 1 of 6
Surface Mount Fuses
General
• Slow Blow
• 3.10mm×1.55mm physical size
• Thick film manufacturing method, ceramic
substrate, silver fusing element
• -50℃~125℃ operating temperature
• Excellent environmental integrity
• RoHS compliant
• Halogen-free
Agency / Certificate Information
Agency
File Number
JDYX2.E319512
JDYX8.E319512
Ampere Range
1A~7A
1A~7A
Application
•
Battery pack
• LED driver
• Car charger
• Portable devices (battery charger, etc.)
• Game equipment
• LCD monitor, LCD modules
• Wireless base station
Ordering Information
Current
Rating
(A)
1.0
1.5
2.0
2.5
3.0
3.5
4.0
5.0
6.0
7.0
Voltage
Rating
(V)
Max
Cold
DCR
*
(Ω)
0.380
0.200
0.105
0.078
0.045
0.037
0.028
0.020
0.016
0.009
Typical
I
2
T
**
(A
2
S)
0.245
0.294
0.788
1.149
2.300
2.563
3.667
4.260
9.848
11.176
Part Number
S1206-SD-1.0A
S1206-SD-1.5A
S1206-SD-2.0A
S1206-SD-2.5A
S1206-SD-3.0A
S1206-SD-3.5A
S1206-SD-4.0A
S1206-SD-5.0A
S1206-SD-6.0A
S1206-SD-7.0A
*
**
Marking
H
K
N
O
P
R
S
T
6
U
Interrupting
Rating
63
50A
63V DC
63V AC
Measured at≤10% rated current and 25℃
2
Melting I T at 10 times of rated current
NANJING SART SCIENCE&TECHNOLOGY DEVELOPMENT CO.,LTD OR ANT TECHNOLOGY COMPANY LIMITED.（A WHOLLY OWNED SUBSIDIARY）
Maqun Science & Technology Park, Qingma Road 6#, Nanjing, China
TEL:086-25-84354852
FAX:086-25-83241791
www.sartfuse.com
File No:JS-S1206-SD-00
Revision: C
1206Size>Slow Blow> S1206-SD Series
Page: 2 of 6
Surface Mount Fuses
Catalo
Symbol
Catalog
S
1206
—
SD
—
3.0A
“3.0A”
Ampere Rating: 3A
“S” Electrical Characteristic: S = Slow Blow, “D”=63V
“1206” Size Number
“ S”
Symbol of SART
Shape & Dimensions: (mm)
Dimensions
O
Recommended Land Patterns: (mm)
Recommended Land Patterns
D
A
L(mm)
W(mm)
T(mm)
B(mm)
3.10±0.20 1.55±0.20 0.55±0.20 0.50±0.20
Materials:
Materials
Components
Substrate
C
Material
Ceramic
Silver over-plated with tin
(100%)
Silver or Silver /
Palladium
Terminations
Element
B
Dimensions A(mm)
B(mm)
C(mm)
D(mm)
Spec
2.00±0.30 4.40±0.50 2.40±0.30 1.20±0.30
NANJING SART SCIENCE&TECHNOLOGY DEVELOPMENT CO.,LTD OR ANT TECHNOLOGY COMPANY LIMITED.（A WHOLLY OWNED SUBSIDIARY）
Maqun Science & Technology Park, Qingma Road 6#, Nanjing, China
TEL:086-25-84354852
FAX:086-25-83241791
www.sartfuse.com
File No:JS-S1206-SD-00
Revision: C
1206Size>Slow Blow> S1206-SD Series
Page: 3 of 6
Surface Mount Fuses
Time Current Curve
Time Current Curve:
I
2
T vs Time Curve
Electrical Characteristics
Ampere Rating
1A-7A
1A-7A
1A-7A
% of Current
Rating
100%
200%
1000%
Opening
Time
>4 hours
≤60 sec
>1.0ms
Temperature Derating Curve
•
The current carrying capacity will be
affected by ambient temperature which
was showed in the figure.
•This current derating curve is for fusing
characteristics.
Example,
Work Temp:80℃,
Temp derating factor = 91%
I
actual
= I
normal
/ 0.91
Temp derating factor %
Temperature in degrees
℃
NANJING SART SCIENCE&TECHNOLOGY DEVELOPMENT CO.,LTD OR ANT TECHNOLOGY COMPANY LIMITED.（A WHOLLY OWNED SUBSIDIARY）
Maqun Science & Technology Park, Qingma Road 6#, Nanjing, China
TEL:086-25-84354852
FAX:086-25-83241791
www.sartfuse.com
File No:JS-S1206-SD-00
Revision: C
1206Size>Slow Blow> S1206-SD Series
Page: 4 of 6
Surface Mount Fuses
Reliability
Test
Reliability
Test:
Item
Voltage Drop
Test condition / Methods
100% In; Temperature in fuse was
stabilized
100% In
Time/Current
200% In
1000% In
Endurance Test
Maximum Sustained
Dissipation
Temperature Rise
100% In, 1h on,15min off, 100 cycles;
followed by 1h at 125%In
125%In, during the last 10min of the
endurance test
100%In
50A/63V DC
50A /63V AC
Performance
Deviation between the
mean value:<15%
No Fusing;4hours Min.
≤60 sec
>1.0ms
│
△
R│<10%
Legible appearance
changed with current
rating
|
△
T|<75℃
Without permanent arcing,
ignition and bursting of
fuse link
95% coverage Min.
│
△
R│<10%
Legible appearance
IEC 60127-1
IEC 60127-1
UL248-14
Refer to SART
Spec
Standard
IEC 60127-1
Interrupting Ability
UL248-14
IEC60127-4
IEC60068-2-20
MIL-STD-202
MIL-STD-202
IEC60127-4
IEC 60127-4
MIL-STD-202
Method 108
IEC60068-2-1
IEC60068-2-2
MIL-STD-202
Method 103
MIL-STD-202
Method 101
IEC 60068-2-14
Solderability
Resistance to
Soldering
Bending Test
High Temperature
Operating Life
Low Temperature
Storage
High Temperature
Storage
Humidity
(steady state)
Salt Spray
Thermal Shock
240℃±5℃,3sec±0.5sec
260℃±5℃,10sec±0.5sec
Distance between holding points：90mm
│
△
R│<10%
No mechanical damages
Bending：1mm ; time:10sec
70℃±2℃, 96hours, at 60% In
-55℃±2
℃,
96hours
125℃±2
℃,
96hours
40℃±2℃, 90%½95%RH, 1000hours
5% salt solution，48hours exposure
5 cycles between -55℃/+125℃,
60 minutes ; each extreme
│
△
R│<10%; no fusing
│
△
R│<10%
│
△
R│<10%
│
△
R│<10%
│
△
R│<10%
Legible appearance
│
△
R│<10%
No mechanical damages
NANJING SART SCIENCE&TECHNOLOGY DEVELOPMENT CO.,LTD OR ANT TECHNOLOGY COMPANY LIMITED.（A WHOLLY OWNED SUBSIDIARY）
Maqun Science & Technology Park, Qingma Road 6#, Nanjing, China
TEL:086-25-84354852
FAX:086-25-83241791
www.sartfuse.com
File No:JS-S1206-SD-00
Revision: C
1206Size>Slow Blow> S1206-SD Series
Page: 5 of 6
Surface Mount Fuses
Recommended Solder Curve
1.Infrared Reflow:
Temperature:260℃
Time:5sec Max.
Recommend Reflow profile
Profile Feature
Average Ramp-Up
Rate(Ts
max
to Tp)
Preheat
Temperature Min(Ts
min
)
Temperature Max(Ts
max
)
Time(Ts
min
to Ts
max
)
Peak Temperature(Tp)
Time within 5℃ of actual
Peak Temperature(Tp)
Melting tin time(T
L
)
Ramp-Down Rate
Time 25℃ to Peak
Temperature
2.Wave soldering
Reservoir Temperature:260℃
Time in Reservoir:10sec Max.
3.Hand Soldering
Temperature:350℃
Time:5sec Max.
Pb-Free
Assembly
3℃/s Max.
150℃
200℃
60sec~120sec
260℃
5sec
20sec~30sec
6℃/s Max.
8 minutes Max.
Packaging
5,000 pieces of fuses in paper taper and reeled on a 178mm(7 inch) reel
Type
Spec
Type
Spec
A(mm)
B(mm)
W(mm)
F(mm)
E(mm)
3.50±0.20 1.90±0.20 8.00±0.20 3.50±0.05 1.75±0.10
P(mm)
P0(mm) P1(mm) D0(mm)
T(mm)
4.00±0.10 4.00±0.10 2.00±0.05 1.50±0.10 0.75±0.10
NANJING SART SCIENCE&TECHNOLOGY DEVELOPMENT CO.,LTD OR ANT TECHNOLOGY COMPANY LIMITED.（A WHOLLY OWNED SUBSIDIARY）
Maqun Science & Technology Park, Qingma Road 6#, Nanjing, China
TEL:086-25-84354852
FAX:086-25-83241791
www.sartfuse.com
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