Positive Thermal Coefficent (PTC)
SMD2920 Series
Description
The 2920 series provides surface mount resettable
over-current protection with holding current from 0.3A to
7.0A. This series is suitable for applications with higher
holding currant and higher working voltage up to 60V.
Features
Applications
l I(hold): 0.3~7.0A
l USB peripherals
l PDAs / digital cameras
l Very high voltage surge capabilities
l Disk drives
l Game console port
l Available in lead-free version
l CD-ROMs
l Fast response to fault current
l General electronics
l RoHS compliant, Lead- Free and Halogen-Free
l Disk drives
for motherboards and
l Low resistance
l Set-top-box and HDMI
peripherals
l Compact design saves board space
l Mobile Internet Device
l Compatible with high temperature solders
protection
l Plug and play protection
l Mobile phones - battery
and port protection
(MID)
Part Number Code
S
M
D
2
Surface Mount
Device
9
2
0
Device size
code
P
Polytronics
Symbol
X
X
X
Current Rating
T
F
T: Thin Version
(Optional)
/
-
-
Special Voltage
Rating (Optional)
F: Lead-free
Environmental Specifications
Test
Conditions
Resistance change
Passive aging
+85℃,1000 hrs
±5% typical
Humidity aging
+85℃,85%R.H.,168 hours
±5% typical
Thermal shock
+85℃ to -40℃,20times
±33% typical
Resistance to solvent
MIL-STD-202,Method 215
No change
Vibration
MIL-STD-202,Method 201
No change
Ambient operating conditions : - 40 °C to +85 °C
Maximum surface temperature of the device in the tripped state is 125 °C
Specifications are subject to change without notice.
Please refer to http://www.ruilon.com.cn for current information.
Revised: 2021-01-19
Page:1
Positive Thermal Coefficent (PTC)
SMD2920 Series
Performance Specification
Ihold
Itrip
Vmax
Max.
Time to Trip
Imax
Pd typ
Rimin
R1max
Package
Type Number
A
A
VDC
Current
A
Tmax
S
A
W
Ω
Ω
SMD2920P030TF
0.3
0.6
60
1.5
3
10
1.5
0.6
4.8
2920
SMD2920P050TF
0.5
1
60
2.5
4
10
1.5
0.18
1.4
2920
SMD2920P075TF
0.75
1.5
33
8
0.3
40
1.5
0.1
1
2920
SMD2920P075TF/60
0.75
1.5
60
8
0.3
40
1.5
0.1
1
2920
SMD2920P100TF
1.1
2.2
33
8
0.5
40
1.5
0.065
0.41
2920
SMD2920P100TF/60
1.1
2.2
60
8
0.5
40
1.5
0.065
0.41
2920
SMD2920P125TF
1.25
2.5
33
8
2
40
1.5
0.05
0.25
2920
SMD2920P150TF
1.5
3
33
8
2
40
1.5
0.035
0.23
2920
SMD2920P185TF
1.85
3.7
33
8
2.5
40
1.5
0.03
0.15
2920
SMD2920P200TF
2
4
16
8
4.5
40
1.5
0.02
0.12
2920
SMD2920P200TF/24
2
4
24
8
4.5
40
1.5
0.02
0.12
2920
SMD2920P200TF/33
2
4
33
8
4.5
40
1.5
0.02
0.12
2920
SMD2920P250TF
2.5
5
16
8
16
40
1.5
0.02
0.085
2920
SMD2920P250TF/24
2.5
5
24
8
16
40
1.5
0.02
0.085
2920
SMD2920P250TF/30
2.5
5
30
8
16
40
1.5
0.02
0.085
2920
SMD2920P260TF
2.6
5.2
6
8
10
40
1.5
0.014
0.075
2920
SMD2920P260TF/16
2.6
5.2
16
8
10
40
1.5
0.014
0.075
2920
SMD2920P260TF/33
2.6
5.2
33
8
10
40
1.5
0.014
0.075
2920
SMD2920P300TF
3
6
6
8
20
40
1.5
0.012
0.048
2920
SMD2920P300TF/16
3
6
16
8
20
40
1.5
0.012
0.048
2920
SMD2920P300TF/24
3
6
24
8
20
40
1.5
0.012
0.048
2920
SMD2920P300TF/33
3
6
33
8
20
40
1.5
0.012
0.048
2920
SMD2920P400TF
4
8
6
20
4.0
40
1.5
0.008
0.04
2920
SMD2920P400TF/16
4
8
16
20
4.0
40
1.5
0.008
0.04
2920
SMD2920P400TF/24
4
8
24
20
4.0
40
1.5
0.008
0.04
2920
SMD2920P500TF
5
10
6
25
5.0
40
1.5
0.005
0.031
2920
SMD2920P500TF/12
5
10
12
25
5.0
40
1.5
0.005
0.031
2920
SMD2920P500TF/16
5
10
16
25
5.0
40
1.5
0.005
0.031
2920
SMD2920P600TF
6
12
6
25
6.0
40
1.5
0.004
0.02
2920
SMD2920P600TF/12
6
12
12
25
6.0
40
1.5
0.004
0.02
2920
SMD2920P700TF
7
14
6
25
6.0
40
1.5
0.0025
0.01
2920
SMD2920P700TF/12
7
14
12
25
6.0
40
1.5
0.0025
0.01
2920
I hold = Hold current: maximum current device will pass without tripping in 25ºC still air.
I trip = Trip current: minimum current at which the device will trip in 25 ºC still air.
V max = Maximum voltage device can withstand without damage at rated current (I max)
Imax = Maximum fault current device can withstand without damage at rated voltage (V max)
Pd typ = Typical power dissipated from device when in the tripped state at 25 ºC still air.
Ri min/max = Minimum/Maximum device resistance prior to tripping at 25°C.
R1max = Maximum device resistance is measured one hour post reflow.
Specifications are subject to change without notice.
Please refer to http://www.ruilon.com.cn for current information.
Revised: 2021-01-19
Page:2
Positive Thermal Coefficent (PTC)
SMD2920 Series
Thermal Derating Chart-Ih(A)
Ambient Operation Temperature
Part Number
-40 ºC
-20 ºC
0 ºC
25 ºC
40 ºC
50 ºC
60 ºC
70 ºC
85 ºC
SMD2920P030TF
0.45
0.40
0.35
0.30
0.25
0.23
0.20
0.17
0.14
SMD2920P050TF
0.76
0.67
0.59
0.50
0.42
0.38
0.33
0.29
0.23
SMD2920P075TF
1.13
1.01
0.88
0.75
0.62
0.56
0.50
0.44
0.34
SMD2920P075TF/60
1.13
1.01
0.88
0.75
0.62
0.56
0.50
0.44
0.34
SMD2920P100TF
1.66
1.47
1.29
1.10
0.91
0.83
0.73
0.64
0.50
SMD2920P100TF/60
1.66
1.47
1.29
1.10
0.91
0.83
0.73
0.64
0.50
SMD2920P125TF
1.89
1.68
1.46
1.25
1.04
0.94
0.83
0.73
0.56
SMD2920P150TF
2.27
2.01
1.76
1.50
1.25
1.13
1.00
0.87
0.74
SMD2920P185TF
2.80
2.47
2.17
1.85
1.54
1.39
1.22
1.07
0.85
SMD2920P200TF
3.02
2.68
2.34
2.00
1.66
1.50
1.32
1.16
0.90
SMD2920P200TF/24
3.02
2.68
2.34
2.00
1.66
1.50
1.32
1.16
0.90
SMD2920P200TF/33
3.02
2.68
2.34
2.00
1.66
1.50
1.32
1.16
0.90
SMD2920P250TF
3.78
3.35
2.93
2.50
2.08
1.88
1.65
1.45
1.13
SMD2920P250TF/24
3.78
3.35
2.93
2.50
2.08
1.88
1.65
1.45
1.13
SMD2920P250TF/30
3.78
3.35
2.93
2.50
2.08
1.88
1.65
1.45
1.13
SMD2920P260TF
3.64
3.25
2.91
2.60
2.26
2.08
1.95
1.74
1.13
SMD2920P260TF/16
3.64
3.25
2.91
2.60
2.26
2.08
1.95
1.74
1.13
SMD2920P260TF/33
3.64
3.25
2.91
2.60
2.26
2.08
1.95
1.74
1.13
SMD2920P300TF
4.53
4.02
3.51
3.00
2.52
2.26
1.99
1.75
1.34
SMD2920P300TF/16
4.53
4.02
3.51
3.00
2.52
2.26
1.99
1.75
1.34
SMD2920P300TF/24
4.53
4.02
3.51
3.00
2.52
2.26
1.99
1.75
1.34
SMD2920P300TF/33
4.53
4.02
3.51
3.00
2.52
2.26
1.99
1.75
1.34
SMD2920P400TF
6.04
5.36
4.68
4.00
3.36
3.01
2.65
2.33
1.79
SMD2920P400TF/16
6.04
5.36
4.68
4.00
3.36
3.01
2.65
2.33
1.79
SMD2920P400TF/24
6.04
5.36
4.68
4.00
3.36
3.01
2.65
2.33
1.79
SMD2920P500TF
7.55
6.70
5.85
5.00
4.20
3.77
3.32
2.92
2.23
SMD2920P500TF/12
7.55
6.70
5.85
5.00
4.20
3.77
3.32
2.92
2.23
SMD2920P500TF/16
7.55
6.70
5.85
5.00
4.20
3.77
3.32
2.92
2.23
SMD2920P600TF
8.60
7.70
6.80
6.00
4.95
4.60
4.06
3.65
3.15
SMD2920P600TF/12
8.60
7.70
6.80
6.00
4.95
4.60
4.06
3.65
3.15
SMD2920P700TF
10.03
8.98
7.93
7.00
5.77
5.36
4.73
4.26
3.68
SMD2920P700TF/12
10.03
8.98
7.93
7.00
5.77
5.36
4.73
4.26
3.68
Specifications are subject to change without notice.
Please refer to http://www.ruilon.com.cn for current information.
Revised: 2021-01-19
Page:3
Positive Thermal Coefficent (PTC)
Thermal Derating Curve
Average Time-Current Curve
Average Time Current Curves
Derating Curves for SMD2920 Series
160
100
0.30A
0.50A
0.75A
1.10A
1.25A
1.50A
1.85A
2.00A
2.50A
2.60A
3.00A
4.00A
5.00A
6.00A
7.00A
140
120
Time In Seconds
Percentage of Derated Current
SMD2920 Series
100
80
60
40
10
1
0.1
20
0
-40
-20
0
20
40
60
0.01
80
0.1
1
Current in Amperes
Temperature (°C)
10
Soldering Parameters
Reflow Condition
TP
Critical Zone
TL to TP
Ramp-up
TL
Pre
Heat
Temperature
TS(max)
Ramp-down
Pb - Free assembly
-Temperature Min (Ts(min))
150°C
-Temperature Max (Ts(max))
200°C
- Time (min to max) (ts)
60 -180 Seconds
Average ramp up rate ( Liquids Temp
TL) to peak
3°C/second max
TS(max) to TL - Ramp-up Rate
3°C/second max
TS(min)
Preheat
25
Time to peak temperature
(t 25℃ to peak)
Time
Reflo
w
217°C
- Time (min to max) (ts)
60 -150 Seconds
Peak Temperature (TP)
260 +0/-5°C
Time within 5°C of actual peak
Temperature (tp)
20 - 40 Seconds
Ramp-down Rate
6°C/second max
Time 25°C to peak Temperature (TP)
8 minutes Max
Do not exceed
260°C
Recommended Pad Layout (mm.)
Lead style code
Specifications are subject to change without notice.
Please refer to http://www.ruilon.com.cn for current information.
- Temperature (TL) (Liquids)
Revised: 2021-01-19
Page:4
Positive Thermal Coefficent (PTC)
SMD2920 Series
Dimensions
Package Dimensions (mm)
Type Number
A
B
Package Dimensions (in)
C
D
A
B
C
D
min
max
min
max
min
max
min
min
max
min
max
min
max
min
SMD2920P030TF
6.73
7.98
4.8
5.44
0.6
1.2
0.3
0.265
0.314
0.189
0.214
0.024
0.047
0.012
SMD2920P050TF
6.73
7.98
4.8
5.44
0.8
1.6
0.3
0.265
0.314
0.189
0.214
0.031
0.063
0.012
SMD2920P075TF
6.73
7.98
4.8
5.44
0.7
1.3
0.3
0.265
0.314
0.189
0.214
0.028
0.051
0.012
SMD2920P075TF/60
6.73
7.98
4.8
5.44
0.8
1.6
0.3
0.265
0.314
0.189
0.214
0.031
0.063
0.012
SMD2920P100TF
6.73
7.98
4.8
5.44
0.4
1.0
0.3
0.265
0.314
0.189
0.214
0.016
0.039
0.012
SMD2920P100TF/60
6.73
7.98
4.8
5.44
1.0
2.1
0.3
0.265
0.314
0.189
0.214
0.039
0.083
0.012
SMD2920P125TF
6.73
7.98
4.8
5.44
0.4
1.0
0.3
0.265
0.314
0.189
0.214
0.016
0.039
0.012
SMD2920P150TF
6.73
7.98
4.8
5.44
0.5
1.3
0.3
0.265
0.314
0.189
0.214
0.02
0.051
0.012
SMD2920P185TF
6.73
7.98
4.8
5.44
0.7
1.4
0.3
0.265
0.314
0.189
0.214
0.028
0.055
0.012
SMD2920P200TF
6.73
7.98
4.8
5.44
0.7
1.4
0.3
0.265
0.314
0.189
0.214
0.028
0.055
0.012
SMD2920P200TF/24
6.73
7.98
4.8
5.44
0.7
1.4
0.3
0.265
0.314
0.189
0.214
0.028
0.055
0.012
SMD2920P200TF/33
6.73
7.98
4.8
5.44
0.7
1.4
0.3
0.265
0.314
0.189
0.214
0.028
0.055
0.012
SMD2920P250TF
6.73
7.98
4.8
5.44
0.7
1.4
0.3
0.265
0.314
0.189
0.214
0.028
0.055
0.012
SMD2920P250TF/24
6.73
7.98
4.8
5.44
0.7
1.4
0.3
0.265
0.314
0.189
0.214
0.028
0.055
0.012
SMD2920P250TF/30
6.73
7.98
4.8
5.44
0.7
1.4
0.3
0.265
0.314
0.189
0.214
0.028
0.055
0.012
SMD2920P260TF
6.73
7.98
4.8
5.44
0.7
1.4
0.3
0.265
0.314
0.189
0.214
0.028
0.055
0.012
SMD2920P260TF/16
6.73
7.98
4.8
5.44
0.7
1.4
0.3
0.265
0.314
0.189
0.214
0.028
0.055
0.012
SMD2920P260TF/33
6.73
7.98
4.8
5.44
0.7
1.4
0.3
0.265
0.314
0.189
0.214
0.028
0.055
0.012
SMD2920P300TF
6.73
7.98
4.8
5.44
0.6
1.2
0.3
0.265
0.314
0.189
0.214
0.024
0.047
0.012
SMD2920P300TF/16
6.73
7.98
4.8
5.44
0.6
1.2
0.3
0.265
0.314
0.189
0.214
0.024
0.047
0.012
SMD2920P300TF/24
6.73
7.98
4.8
5.44
0.6
1.2
0.3
0.265
0.314
0.189
0.214
0.024
0.047
0.012
SMD2920P300TF/33
6.73
7.98
4.8
5.44
0.6
1.2
0.3
0.265
0.314
0.189
0.214
0.024
0.047
0.012
SMD2920P400TF
6.73
7.98
4.8
5.44
1
1.6
0.3
0.265
0.314
0.189
0.214
0.039
0.063
0.012
SMD2920P400TF/16
6.73
7.98
4.8
5.44
1
1.6
0.3
0.265
0.314
0.189
0.214
0.039
0.063
0.012
SMD2920P400TF/24
6.73
7.98
4.8
5.44
1
1.6
0.3
0.265
0.314
0.189
0.214
0.039
0.063
0.012
SMD2920P500TF
6.73
7.98
4.8
5.44
1
1.6
0.3
0.265
0.314
0.189
0.214
0.039
0.063
0.012
SMD2920P500TF/12
6.73
7.98
4.8
5.44
1
1.6
0.3
0.265
0.314
0.189
0.214
0.039
0.063
0.012
SMD2920P500TF/16
6.73
7.98
4.8
5.44
1
1.6
0.3
0.265
0.314
0.189
0.214
0.039
0.063
0.012
SMD2920P600TF
6.73
7.98
4.8
5.44
1
1.6
0.3
0.265
0.314
0.189
0.214
0.039
0.063
0.012
SMD2920P600TF/12
6.73
7.98
4.8
5.44
1
1.6
0.3
0.265
0.314
0.189
0.214
0.039
0.063
0.012
SMD2920P700TF
6.73
7.98
4.8
5.44
1
1.6
0.3
0.265
0.314
0.189
0.214
0.039
0.063
0.012
SMD2920P700TF/12
6.73
7.98
4.8
5.44
1
1.6
0.3
0.265
0.314
0.189
0.214
0.039
0.063
0.012
Specifications are subject to change without notice.
Please refer to http://www.ruilon.com.cn for current information.
Revised: 2021-01-19
Page:5
Positive Thermal Coefficent (PTC)
SMD2920 Series
Taping and Reel Specifications
Symbol
Millimeters
Inches
W
16.0±0.3
0.63±0.012
P
8.0±0.1
0.315±0.004
F
7.5±0.05
0.295±0.002
E
1.75±0.1
0.069±0.004
D
1.55±0.05
0.061±0.002
P0
4.0±0.1
0.157±0.004
P2
2.0±0.05
0.079±0.002
D1(max.)
178.0
7.007
D2(min.)
60
2.362
W1
16.4±0.5
0.646±0.02
Part Number
Halogen
Free
Packaging
Option
Quantity
Quantity &
Packaging Codes
SMD2920PxxxTF
Yes
Tape and Reel
1500
YR
Specifications are subject to change without notice.
Please refer to http://www.ruilon.com.cn for current information.
Revised: 2021-01-19
Page:6
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- 2000+0.34354
- 国内价格
- 10+0.75914
- 100+0.62954
- 300+0.56474
- 1500+0.43092
- 4500+0.39204
- 10500+0.37260