FUZETEC TECHNOLOGY CO., LTD.
NO.
PQ04-01E
Product Specification and Approval Sheet Version D4
Page
1/6
Surface Mountable PTC Resettable Fuse: FSMD Series
1. Summary
(a) RoHS Compliant & Halogen Free
(b) Applications: All high-density boards
(c) Product Features: Small surface mountable, Solid state, Faster time to trip than
standard SMD devices, Lower resistance than standard SMD devices
(d) Operation Current: 0.10A~3.0A
(e) Maximum Voltage: 6VDC~60VDC
(f) Temperature Range : -40℃ to 85℃
2. Agency Recognition
UL:
File No. E211981
C-UL: File No. E211981
TÜ V:
File No. R50004084, R50090556
3. Electrical Characteristics (23℃)
Part
Resistance
Trip
Rated
Max
Typical
Current
Current
Voltage
Current
Power
Current
Time
RMIN
R1MAX
IH, A
IT, A
VMAX, VDC
IMAX, A
Pd, W
Amp
Sec
Ohms
Ohms
0.10
0.10
0.14
0.14
0.20
0.20
0.20
0.30
0.35
0.35
0.35
0.50
0.50
0.50
0.75
0.75
0.75
0.75
1.10
1.10
1.10
1.10
1.10
1.25
1.25
1.25
1.50
1.50
0.30
0.30
0.30
0.30
0.40
0.40
0.40
0.60
0.70
0.70
0.70
1.00
1.00
1.00
1.50
1.50
1.50
1.50
2.20
2.20
2.20
2.20
2.20
2.50
2.50
2.50
3.00
3.00
60
60
60
60
30
30
60
30
16
16
30
16
16
30
16
16
24
33
8
8
16
16
24
6
6
16
8
8
10
100
100
100
100
100
40
100
100
100
100
100
100
100
100
100
40
40
100
100
100
100
100
40
100
100
100
100
0.8
0.8
0.8
0.8
0.8
0.8
0.8
0.8
0.8
0.8
0.8
0.8
0.8
0.8
0.8
0.8
1.0
1.0
0.8
0.8
0.8
0.8
1.0
0.8
0.8
0.8
0.8
0.8
8.0
8.0
8.0
8.0
8.0
8.0
8.0
8.0
8.0
8.0
8.0
8.0
8.0
8.0
8.0
8.0
8.0
8.0
8.0
8.0
8.0
8.0
8.0
8.0
8.0
8.0
8.0
8.0
0.020
0.020
0.008
0.008
0.020
0.020
0.020
0.100
0.100
0.100
0.100
0.150
0.150
0.150
0.200
0.200
0.200
0.200
0.300
0.300
0.500
0.500
0.500
0.400
0.400
0.400
0.500
0.500
1.600
1.600
1.200
1.200
0.800
0.800
0.800
0.200
0.320
0.320
0.320
0.150
0.150
0.150
0.110
0.110
0.110
0.110
0.040
0.040
0.040
0.040
0.060
0.050
0.050
0.050
0.040
0.040
15.00
15.00
6.500
6.500
5.000
5.000
5.000
1.750
1.500
1.500
1.500
1.000
1.000
1.000
0.450
0.450
0.290
0.400
0.210
0.210
0.180
0.180
0.200
0.140
0.140
0.140
0.110
0.110
Number
FSMD010
FSMD010-R
FSMD014
FSMD014-R
FSMD020
FSMD020-R
FSMD020-60-R
FSMD030-R
FSMD035
FSMD035-R
FSMD035-30-R
FSMD050
FSMD050-R
FSMD050-30-R
FSMD075
FSMD075-R
FSMD075-24R
FSMD075-33R
FSMD110
FSMD110-R
FSMD110-16
FSMD110-16-R
FSMD110-24R
FSMD125
FSMD125-R
FSMD125-16R
FSMD150
FSMD150-R
Max Time to Trip
Hold
NOTE : Specification subject to change without notice.
NO.
FUZETEC TECHNOLOGY CO., LTD.
PQ04-01E
Product Specification and Approval Sheet Version D4
FSMD150-12R
FSMD150-24R
FSMD160
FSMD160-R
FSMD160-12R
FSMD160-16R
FSMD200R
FSMD260R
FSMD260-13R
FSMD260-16R
FSMD300R
1.50
1.50
1.60
1.60
1.60
1.60
2.00
2.60
2.60
2.60
3.00
3.00
3.00
3.20
3.20
3.20
3.20
3.50
5.00
5.00
5.00
5.00
12
24
8
8
12
16
8
6
13.2
16
6
100
100
100
100
100
100
100
100
100
100
100
1.0
1.0
0.8
0.8
1.0
1.0
1.0
1.0
1.3
1.3
1.0
8.0
8.0
8.0
8.0
8.0
8.0
8.0
8.0
8.0
8.0
8.0
0.500
1.500
0.500
0.500
1.000
1.000
2.000
2.500
5.000
5.000
4.000
Page
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0.040
0.040
0.030
0.030
0.030
0.030
0.020
0.015
0.015
0.015
0.012
0.110
0.120
0.100
0.100
0.100
0.100
0.070
0.047
0.050
0.050
0.040
IH=Hold current-maximum current at which the device will not trip at 23℃still air.
IT=Trip current-minimum current at which the device will always trip at 23℃ still air.
V MAX=Maximum voltage device can withstand without damage at it rated current.(I MAX)
I MAX= Maximum fault current device can withstand without damage at rated voltage (V MAX).
Pd=Typical power dissipated-type amount of power dissipated by the device when in the tripped state in 23℃ still air environment.
RMIN=Minimum device resistance at 23℃ prior to tripping.
R1MAX=Maximum device resistance at 23℃ measured 1 hour after tripping or reflow soldering of 260℃ for 20 seconds.
Termination pad characteristics
Termination pad materials: Pure Tin
4. FSMD Product Dimensions (Millimeters)
Part
Figure
Number
FSMD010
1
FSMD010-R
2
FSMD014
1
FSMD014-R
2
FSMD020
1
FSMD020-R
2
FSMD020-60-R
2
FSMD030-R
2
FSMD035
1
FSMD035-R
2
FSMD035-30-R
2
FSMD050
1
FSMD050-R
2
FSMD050-30-R
2
FSMD075
1
FSMD075-R
2
FSMD075-24R
2
A
B
C
D
E
Min
Max
Min
Max
Min
Max
Min
Max
Min
Max
4.37
4.37
4.37
4.37
4.37
4.37
4.37
4.37
4.37
4.37
4.37
4.37
4.37
4.37
4.37
4.37
4.37
4.73
4.73
4.73
4.73
4.73
4.73
4.73
4.73
4.73
4.73
4.73
4.73
4.73
4.73
4.73
4.73
4.73
3.07
3.07
3.07
3.07
3.07
3.07
3.07
3.07
3.07
3.07
3.07
3.07
3.07
3.07
3.07
3.07
3.07
3.41
3.41
3.41
3.41
3.41
3.41
3.41
3.41
3.41
3.41
3.41
3.41
3.41
3.41
3.41
3.41
3.41
0.60
0.60
0.60
0.60
0.60
0.60
0.60
0.40
0.40
0.40
0.40
0.35
0.35
0.45
0.35
0.35
0.80
0.90
0.90
0.90
0.90
0.90
0.90
0.90
0.70
0.70
0.70
0.70
0.65
0.65
0.75
0.65
0.65
1.55
0.30
0.30
0.30
0.30
0.30
0.30
0.30
0.30
0.30
0.30
0.30
0.30
0.30
0.30
0.30
0.30
0.25
0.95
0.95
0.95
0.95
0.95
0.95
0.95
0.95
0.95
0.95
0.95
0.95
0.95
0.95
0.95
0.95
0.95
-
0.25
-
0.25
-
0.25
0.25
0.25
-
0.25
0.25
-
0.25
0.25
-
0.25
0.25
-
0.65
-
0.65
-
0.65
0.65
0.65
-
0.65
0.65
-
0.65
0.65
-
0.65
0.65
NOTE : Specification subject to change without notice.
NO.
FUZETEC TECHNOLOGY CO., LTD.
PQ04-01E
Product Specification and Approval Sheet Version D4
FSMD075-33R
FSMD110
FSMD110-R
FSMD110-16
FSMD110-16-R
FSMD110-24R
FSMD125
FSMD125-R
FSMD125-16R
FSMD150
FSMD150-R
FSMD150-12R
FSMD150-24R
FSMD160
FSMD160-R
FSMD160-12R
FSMD160-16R
FSMD200R
FSMD260R
FSMD260-13R
FSMD260-16R
FSMD300R
2
1
2
1
2
2
1
2
2
1
2
2
2
1
2
2
2
2
2
2
2
2
4.37
4.37
4.37
4.37
4.37
4.37
4.37
4.37
4.37
4.37
4.37
4.37
4.37
4.37
4.37
4.37
4.37
4.37
4.37
4.37
4.37
4.37
4.73
4.73
4.73
4.73
4.73
4.73
4.73
4.73
4.73
4.73
4.73
4.73
4.73
4.73
4.73
4.73
4.73
4.73
4.73
4.73
4.73
4.73
3.07
3.07
3.07
3.07
3.07
3.07
3.07
3.07
3.07
3.07
3.07
3.07
3.07
3.07
3.07
3.07
3.07
3.07
3.07
3.07
3.07
3.07
3.41
3.41
3.41
3.41
3.41
3.41
3.41
3.41
3.41
3.41
3.41
3.41
3.41
3.41
3.41
3.41
3.41
3.41
3.41
3.41
3.41
3.41
0.80
0.25
0.25
0.25
0.25
0.80
0.25
0.25
0.50
0.25
0.25
0.60
0.60
0.25
0.25
0.60
0.60
0.40
0.55
0.80
0.80
0.80
1.55
0.55
0.55
0.90
0.90
1.30
0.55
0.55
1.00
0.55
0.55
1.10
1.55
0.90
0.90
1.35
1.35
0.90
1.20
1.55
1.55
1.55
0.25
0.30
0.30
0.30
0.30
0.25
0.30
0.30
0.30
0.30
0.30
0.25
0.25
0.30
0.30
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.95
0.95
0.95
0.95
0.95
0.95
0.95
0.95
0.95
0.95
0.95
0.95
0.95
0.95
0.95
0.95
0.95
0.95
0.95
0.95
0.95
0.95
Page
3/6
0.25
-
0.25
-
0.25
0.25
-
0.25
0.25
-
0.25
0.25
0.25
-
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.65
-
0.65
-
0.65
0.65
-
0.65
0.65
-
0.65
0.65
0.65
-
0.65
0.65
0.65
0.65
0.65
0.65
0.65
0.65
5. Thermal Derating Curve
FSMD1812 Series
Percent of Rated Hold and Trip Current
200%
150%
100%
A= FSMD075, 075-R, 075-24R,
075-33R, 110, 110-R, 110-16,
110-16-R, 110-24R, 125, 125-R,
125-16R, 150, 150-R, 150-12R,
150-24R, 160, 160-R, 160-12R,
160-16R, 200R, 260R, 260-13R,
260-16R 300R
50%
0%
-40
-20
0
20
40
Ambient Temperature (C)
NOTE : Specification subject to change without notice.
60
80
B= FSMD010, 010-R, 014, 014-R, 020,
020-R, 020-60-R, 030-R, 035,
035-R, 035-30-R, 050, 050-R,
050-30-R
NO.
FUZETEC TECHNOLOGY CO., LTD.
PQ04-01E
Product Specification and Approval Sheet Version D4
Page
4/6
6. Typical Time-To-Trip at 23℃
FSMD1812 Series
AB
C
DE
F
G HI J K LM
N
100
10
Time-to-trip (S)
A = FSMD010/010-R
B = FSMD014/014-R
C = FSMD020/020-R/020-60-R
D = FSMD030-R
E = FSMD035/035-R/035-30-R
F = FSMD050/050-R/050-30-R
G = FSMD075/075-R/
075-24R/075-33R
H = FSMD110/110-R/110-16/
110-16-R/110-24R
I = FSMD125/125-R/125-16R
J = FSMD150/150-R/
150-12R/150-24R
K = FSMD160/160-R/
160-12R/160-16R
L = FSMD200R
M = FSMD260R/260-13R/
260-16R
N = FSMD300R
1
0.1
0.01
0.001
0.1
1
10
Fault current (A)
7. Material Specification
Terminal pad material: Pure Tin
Soldering characteristics: Meets EIA specification RS 186-9E, ANSI/J-std-002 Category 3
NOTE : Specification subject to change without notice.
100
FUZETEC TECHNOLOGY CO., LTD.
NO.
PQ04-01E
Product Specification and Approval Sheet Version D4
Page
5/6
8. Part Numbering and Marking System
Part Numbering System
Part Marking System
FSMD014~FSMD300R
FSMD □ □ □ R
F110
F □ □ □
Part Identification
Current Rating
Example
Fuzetec Logo
FSMD □ □ □ –R
F110
Current Rating
F □ □ □
Part Identification
Example
Fuzetec Logo
FSMD110-16
FSMD □ □ □ – □ □
110
Voltage Rating
F 16
F □□□□□
Part Identification
Current Rating
Example
Fuzetec Logo
FSMD110-16-R
FSMD □ □ □ – □ □ –R
Voltage Rating
F
110
16
F □□□□□
Part Identification
Current Rating
Example
Fuzetec Logo
Warning: -Operation beyond the specified maximum ratings or improper use may result in damage and possible
electrical arcing and/or flame.
-PPTC device are intended for occasional overcurrent protection. Application for repeated overcurrent
condition and/or prolonged trip are not anticipated.
-Avoid contact of PPTC device with chemical solvent. Prolonged contact will damage the device
performance.
NOTE : Specification subject to change without notice.
FUZETEC TECHNOLOGY CO., LTD.
NO.
Product Specification and Approval Sheet Version D4
PQ04-01E
Page
6/6
9. Pad Layouts、Solder Reflow and Rework Recommendations
The dimension in the table below provide the recommended pad layout for each FSMD1812 device
Pad dimensions (millimeters)
A
B
Device
Nominal
Nominal
All 1812 Series
3.45
1.78
C
Nominal
3.50
Solder reflow
※ Due to “Lead Free” nature, Temperature and
Profile Feature
Average Ramp-Up Rate (Tsmax to Tp)
Preheat :
Temperature Min (Tsmin)
Temperature Max (Tsmax)
Time (tsmin to tsmax)
Pb-Free Assembly
3 ℃/second max.
Dwelling time for the soldering zone is higher
than those for Regular. This may cause
damage to other components.
150 ℃
200 ℃
60-180 seconds
Time maintained above:
Temperature(TL)
217 ℃
Time (tL)
60-150 seconds
Peak/Classification Temperature(Tp) : 260 ℃
Time within 5℃ of actual Peak :
20-40 seconds
Temperature (tp)
Ramp-Down Rate :
6 ℃/second max.
8 minutes max.
Time 25 ℃ to Peak Temperature :
Note 1: All temperatures refer to of the package,
measured on the package body surface.
Reflow Profile
NOTE : Specification subject to change without notice.
1. Recommended max past thickness > 0.25mm.
2. Devices can be cleaned using standard
methods and aqueous solvent.
3. Rework use standard industry practices.
4. Storage Envorinment : < 30℃ / 60%RH
Caution:
1. If reflow temperatures exceed the
recommended profile, devices may not meet
the performance requirements.
2. Devices are not designed to be wave soldered
to the bottom side of the board.