ELECTRONICS
Positive
Thermal
Coefficent
SMD1210 Series
Circuit Protection
System
Specifications are subject to change without notice.
Positive Thermal Coefficent - SMD1210 Series
Features
1. I(hold): 0.05~2A
2. RoHS compliant, lead-free and halogen-free
3. Fast response to fault currents
4. Compact design saves board space
5. Low resistance
6. Low-profile
7. Compatible with high temperature solders
Applications
1. USB peripherals
2. Disk drives
3. CD-ROMs
4. Plug and play protection for motherboards and peripherals
5. Mobile phones - battery and port protection
6. Disk drives
7. PDAs / digital cameras
8. Game console port protecti
Product Name
S
M
Surface Mount
Device
D
1
2
Device
Dimensions:
Length/Width
(Unit: 1/100
inch)
Circuit Protection
System
1
0
P
0
1
Polytronics
Symbol
Current
Rating:0.1A
0
T
F
T: Thin
Version
(Optional)
F: Lead-free
/
-
-
Special
Voltage
Rating
(Optional)
Specifications are subject to change without notice.
Page:1
Positive Thermal Coefficent - SMD1210 Series
Dimension
A
B
D
Ihold Itrip
Type Number
Marking
A
A
Maximum
Time To Trip
Current A Time s
C
Vmax Imax
P
Rmin R1max
dmax
Vdc
A
W
Ω
Ω
Package Dimensions
(mm)
A
Package
B
C
D
min max min max min max min
SMD1210P005TF
A
0.05 0.15
0.25
1.5
30
100
0.6
2.8
50
1210
3
3.43 2.35 2.8 0.3 0.8 0.3
SMD1210P010TF
1
0.1
0.3
0.5
0.6
30
100
0.6
0.8
15
1210
3
3.43 2.35 2.8 0.3 0.8 0.3
SMD1210P020TF
2
0.2
0.4
8
0.02
30
100
0.6
0.4
5
1210
3
3.43 2.35 2.8 0.3 0.8
SMD1210P035TF
3
0.35 0.75
8
0.2
6
100
0.6
0.2
1.3
1210
3
3.43 2.35 2.8 0.3 0.8 0.3
SMD1210P050TF
5
0.5
1
8
0.1
13.2
100
0.6
0.18
0.9
1210
3
3.43 2.35 2.8 0.3 0.8 0.3
SMD1210P075TF
7
0.75
1.5
8
0.1
6
100
0.6
0.07
0.4
1210
3
3.43 2.35 2.8 0.3 0.8 0.3
SMD1210P110TF
0
1.1
2.2
8
0.3
6
100
0.6
0.05
0.21
1210
3
3.43 2.35 2.8 0.3 0.8 0.3
SMD1210P150TF
X
1.5
3
8
0.5
6
100
0.8
0.03
0.11
1210
3
3.43 2.35 2.8 0.4 0.8 0.3
SMD1210P175TF
Y
1.75
3.6
8
0.6
6
100
0.8
0.02
0.08
1210
3
3.43 2.35 2.8 0.4 0.8 0.3
SMD1210P200TF
Z
2
4
8
1
6
100
0.8
0.015
0.07
1210
3
3.43 2.35 2.8 0.4 1.2 0.3
03
Vocabulary
Ihold = Hold current: maximum current device will pass without tripping in 23ºC still air.
Itrip = Trip current: minimum current at which the device will trip in 23 ºC still air.
Vmax = Maximum voltage device can withstand without damage at rated current (I max)
Imax = Maximum fault current device can withstand without damage at rated voltage (Vmax)
Pd typ = Typical power dissipated from device when in the tripped state at 23 ºC still air.
Rmin = Minimum resistance of device in initial (un-soldered) state.
R1max = Maximum resistance of device at 23 ºC measured one hour after tripping or reflow soldering of 260 ºC for 20 sec.
Circuit Protection
System
Specifications are subject to change without notice.
Page:2
Positive Thermal Coefficent - SMD1210 Series
Thermal Derating Curve
Percentage of Rated Current
200.00
150.00
100.00
50.00
0.00
-40.00
0.00
40.00
80.00
Device Ambient Temperature (
120.00
)
Thermal Derating Chart
Profile Feature
Pb-Free Assembly
Average Ramp-Up Rate(Ts max to T p)
3°C/second mac.
Preheat
-Temperature Min(Ts min)
-Temperature Max(Ts max)
-Time(Ts min to Ts max)
150°C
200°C
60~180 seconds
Time maintained above:
-Temperature(TL)
-Time(tL)
+217°C
60~150 seconds
Peak Temperature(Tp)
Ramp-Down Rate
·Recommended reflow methods: IR, vapor phase oven, hot air oven,
N2 environment for lead-free
·Recommended maximum paste thickness is 0.25mm (0.010 inch)
·Devices can be cleaned using standard industry methods and
solvents.
Note 1: All temperature refer to topside of the package, measured on
the package body surface.
Note 2: If reflow temperatures exceed the recommended profile,
devices may not meet the performance requirements.
Circuit Protection
System
Time 25°C to Peak Temperature
Storage Condition
260°C
6°C/second max.
8 minutes max
0°C~35°C,70%RH
Specifications are subject to change without notice.
Page:3
Positive Thermal Coefficent - SMD1210 Series
Average Time-Current Curve
A
100.00
B
DE
C
F
GH IJ
SMD1210P005TF
SMD1210P010TF
C
SMD1210P020TF
D SMD1210P035TF
10.00
Time to Trip (Sec.)
A
B
E
SMD1210P050TF
F
SMD1210P075TF
SMD1210P075TF/24
1.00
G
SMD1210P110TFT
H SMD1210P150TFT
0.10
I
SMD1210P175TF
J
SMD1210P200TF
0.01
0.10
1.00
10.00
Fault Current (Amp.)
Temperature(°C)
Average Time-Current Curve
300
250
200
190
160
100
0
Preheating
Soldering
Cooling
60-120
sec.
30-60
sec.
120
sec.
·Recommended reflow methods: IR, vapor phase oven, hot air oven, N2 environment for lead-free
·Recommended maximum paste thickness is 0.25mm (0.010 inch)
·Devices can be cleaned using standard industry methods and solvents.
Note 1: All temperature refer to topside of the package, measured on the package body surface.
Note 2: If reflow temperatures exceed the recommended profile, devices may not meet the performance requirements.
Circuit Protection
System
Specifications are subject to change without notice.
Page:4
Positive Thermal Coefficent - SMD1210 Series
Tape And Reel Specifications (mm) EIA Tape Component Dimention
Governing Specifications
P0
EIA 481-2
W
12 ± 0.20
P0
4.0 ± 0.10
P1
8.0 ± 0.10
P2
2.0± 0.05
A0
3.5 ± 0.23
B0
5.1 ± 0.15
B1max
5.9
D0
1.5+0.1,-0
F
5.5 ± 0.05
E1
1.75 ± 0.10
E2min
10.25
Tmax
0.6
T1max
0.1
K0
0.9 ± 0.15
Leader min.
390
Trailer min.
160
T
60
W1
12.4+20,-0.0
W2max.
18.4
E1
A0
B1
F
K0
B0
T1
P1
W
E2
EIA Reel Dimentions
W2(measured at hub)
A
178
N min.
Embossment
P2
Cover tape
Reel Dimensions
A max
D0
Cover tape
.
0
N(hub dia.)
W1(measured at hub)
Carrier tape
Embossed cavity
Storage And Handling
• Storage conditions : 40°C max, 70% R.H.
• Devices may not meet specified performance
if storage conditions are exceeded.
Circuit Protection
System
Specifications are subject to change without notice.
Page:5
Positive Thermal Coefficent - SMD1210 Series
Thermal Derating Chart
Part Numberr
-40℃
-20℃
0℃
23℃
40℃
50 ℃
60℃
70℃
85℃
SMD1210P005TF
0.08
0.07
0.06
0.05
0.04
0.04
0.03
0.03
0.02
SMD1210P010TF
0.16
0.14
0.12
0.10
0.08
0.07
0.06
0.05
0.05
SMD1210P020TF
0.29
0.26
0.22
0.20
0.16
0.14
0.13
0.11
0.08
SMD1210P035TF
0.47
0.45
0.40
0.35
0.33
0.28
0.24
0.21
0.18
SMD1210P050TF
0.76
0.67
0.58
0.50
0.43
0.40
0.36
0.32
0.28
SMD1210P075TF
1.00
0.97
0.86
0.75
0.64
0.59
0.54
0.48
0.40
SMD1210P075TF/24
1.00
0.97
0.86
0.75
0.64
0.59
0.54
0.48
0.40
SMD1210P110TFT
1.60
1.42
1.26
1.10
0.94
0.86
0.80
0.70
0.58
SMD1210P150TFT
2.30
2.02
1.76
1.50
1.24
1.11
1.00
0.85
0.65
SMD1210P175TF
2.45
2.22
2.01
1.75
1.45
1.26
1.10
0.98
0.80
SMD1210P200TF
2.60
2.44
2.35
2.00
1.78
1.67
1.50
1.45
1.10
Warehouse Storage Conditions of Products
· Storage Conditions:
1. Storage Temperature: -10°C~+40°C
2. Relative Humidity:≤75%RH
3. Keep away from corrosive atmosphere and sunlight.
· Period of Storage: 1 year
Circuit Protection
System
Specifications are subject to change without notice.
Page:6
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