LP-MSM [ETC]
Surface-mount devices; 表面贴装器件
ETC 
CYG Wayon Circuit protection Co., Ltd.
Surface-mount devices
LP-MSM Series
Surface-mount devices
Features
Small size of 1812/4420
Fast tripping resettable circuit protection
Surface mount packaging for automated assembly
Agency recognition: UL、CSA、TUV
Product Dimensions
Size 4532mm/1812 mils
A
B
C
D
E
Part number
Max.
Max.
Max.
Min.
Min.
LP-MSM010
LP-MSM014
LP-MSM020
LP-MSM050
LP-MSM075
LP-MSM110
LP-MSM125
LP-MSM150
LP-MSM160
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
3.41
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
1.00
1.00
1.00
0.83
0.83
0.83
1.05
1.05
1.05
1.05
1.30
1.05
1.30
1.05
1.50
1.70
1.70
2.00
2.50
0.80
0.80
1.00
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
0.30
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
0.30
0.30
0.30
0.30
0.30
0.30
0.30
0.30
0.30
0.30
0.30
0.30
LP-MSM200
LP-MSM260
LP-MSM050/24
LP-MSM075/24
LP-MSM110/24
LP-MSM125/24
LP-MSM150/24
LP-MSM160/24
LP-MSM200/16
LP-MSM260/12
LP-MSML190
LP-MSML250
LP-MSML350
Size 11550mm/4420 mils
Part number
A
B
C
D
E
Max.
12.00
Max.
5.33
Max.
1.00
Min.
0.30
Min.
0.30
LP-MSM190
CYG Wayon Circuit protection Co., Ltd.
Tel: 86-21- 50310888
Fax: 86-21-50757680
No.1001, Shiwan Qi Road, Pudong Area,Shanghai 201202,China
E-mail: market@way-on.com Http://www.way-on.com
CYG Wayon Circuit protection Co., Ltd.
Surface-mount devices
Thermal Derating Chart-IH(A)
Size 4532mm/1812 mils
Maximum ambient operating temperatures(℃)
Part number
-40
-20
0
20
25
40
50
60
70
85
LP-MSM010
LP-MSM014
0.17
0.23
0.33
0.76
1.11
1.65
1.89
2.28
2.45
2.90
3.80
0.78
1.12
1.65
1.89
2.25
2.50
2.91
3.75
2.80
3.71
5.17
0.16
0.20
0.29
0.69
1.02
1.50
1.64
2.05
2.15
2.61
3.61
0.69
1.02
1.49
1.69
2.04
2.20
2.65
3.45
2.52
3.33
4.66
0.14
0.18
0.26
0.61
0.89
1.32
1.41
1.85
1.89
2.40
3.12
0.59
0.89
1.29
1.46
1.80
1.89
2.41
3.08
2.20
2.92
4.07
0.12
0.16
0.22
0.53
0.80
1.15
1.28
1.55
1.64
2.05
2.64
0.52
0.79
1.15
1.29
1.55
1.64
2.08
2.68
1.94
2.58
3.59
0.10
0.14
0.20
0.50
0.75
1.10
1.25
1.50
1.60
2.00
2.60
0.50
0.75
1.10
1.25
1.50
1.60
2.00
2.60
1.90
2.50
3.50
0.08
0.12
0.17
0.45
0.65
0.99
1.09
1.26
1.34
1.70
2.28
0.48
0.66
0.95
1.09
1.30
1.40
1.75
2.35
1.66
2.21
3.09
0.07
0.11
0.16
0.40
0.59
0.85
0.98
1.14
1.25
1.51
2.10
0.41
0.58
0.85
0.95
1.15
1.25
1.65
2.10
1.48
1.95
2.73
0.06
0.10
0.15
0.36
0.54
0.78
0.86
1.05
1.15
1.41
1.85
0.37
0.53
0.79
0.89
1.03
1.13
1.45
1.84
1.33
1.78
2.47
0.05
0.07
0.13
0.33
0.47
0.68
0.74
0.92
0.96
1.21
1.61
0.33
0.47
0.66
0.76
0.92
0.99
1.28
1.62
1.18
1.53
2.16
0.04
0.05
0.09
0.23
0.38
0.52
0.56
0.73
0.79
0.95
1.29
0.23
0.39
0.53
0.59
0.73
0.79
1.05
1.26
0.91
1.19
1.69
LP-MSM020
LP-MSM050
LP-MSM075
LP-MSM110
LP-MSM125
LP-MSM150
LP-MSM160
LP-MSM200
LP-MSM260
LP-MSM050/24
LP-MSM075/24
LP-MSM110/24
LP-MSM125/24
LP-MSM150/24
LP-MSM160/24
LP-MSM200/16
LP-MSM260/12
LP-MSML190
LP-MSML250
LP-MSML350
Size 11550mm/4420 mils
Maximum ambient operating temperatures(℃)
Part number
-40
3.15
-20
0
20
25
40
50
60
70
85
LP-MSM190
2.75
2.21
1.92
1.90
1.50
1.25
1.12
0.82
0.37
CYG Wayon Circuit protection Co., Ltd.
Tel: 86-21- 50310888
Fax: 86-21-50757680
No.1001, Shiwan Qi Road, Pudong Area,Shanghai 201202,China E-mail: market@way-on.com Http://www.way-on.com
CYG Wayon Circuit protection Co., Ltd.
Surface-mount devices
Typical Time-to-Trip Charts at 25℃
AB
C D
E
HI
FG
100
10
LP-MSMSeries
A=LP-MSM010,LP-MSM014
B = LP-MSM020
C=LP-MSM050,LP-MSM050/24
D = LP-MSM075,LP-MSM075/24
E = LP-MSM110,LP-MSM110/24,
LP-MSM125,LP-MSM125/24
F = LP-MSM150,LP-MSM150/24,
LP-MSM160,LP-MSM160/24
G = LP-MSM200,LP-MSM200/24
H = LP-MSM190
1
0.1
I
H
G
0.01
1E-3
F
E
D
B
A
C
I= LP-MSM260,LP-MSM260/24
0.1
1
10
100
Fualt current(A)
Electrical Characteristics at 25℃
Size 4532mm/1812 mils
IH
IT
Vmax
(V)
Imax
Max.Time-to-trip
Pdtyp
(W)
Rmin
R1max
Part number
(A)
(A)
(A)
(A)
(S)
(Ω)
(Ω)
LP-MSM010
0.10
0.14
0.20
0.50
0.75
1.10
1.25
1.50
1.60
2.00
2.60
0.50
0.75
1.10
1.25
1.50
1.60
2.00
2.60
1.90
2.50
3.50
0.20
0.34
0.40
1.00
1.50
2.20
2.50
3.00
3.20
3.50
5.20
1.00
1.50
2.20
2.50
3.00
3.20
3.50
5.20
4.90
8.00
9.00
60
60
30
15
13.2
6
10
10
10
40
40
40
40
40
40
40
40
40
40
40
40
40
40
40
40
50
50
50
1.5
1.5
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
17.5
0.15
0.15
0.02
0.15
0.20
0.30
0.40
0.50
1.00
2.00
2.50
0.15
0.20
0.30
0.40
0.50
1.00
2.00
2.50
5.00
5
1
1
1.600
1.500
0.600
0.150
0.100
0.040
0.070
0.040
0.030
0.020
0.015
0.150
0.100
0.040
0.070
0.040
0.030
0.020
0.015
0.004
0.004
0.004
15.000
6.000
5.000
1.000
0.480
0.260
0.250
0.110
0.100
0.075
0.047
1.000
0.480
0.260
0.250
0.110
0.100
0.075
0.047
0.024
0.020
0.015
LP-MSM014
LP-MSM020
1
LP-MSM050
1
LP-MSM075
1
LP-MSM110
1
LP-MSM125
6
1
LP-MSM150
6
1
LP-MSM160
6
1
LP-MSM200
6
1
LP-MSM260
6
1
LP-MSM050/24
LP-MSM075/24
LP-MSM110/24
LP-MSM125/24
LP-MSM150/24
LP-MSM160/24
LP-MSM200/16
LP-MSM260/12
LP-MSML190
LP-MSML250
LP-MSML350
24
24
24
24
24
24
16
12
6
1
1
1
1
1
1
1
1
1.5
1.5
1.5
6
6
5
CYG Wayon Circuit protection Co., Ltd.
Tel: 86-21- 50310888
Fax: 86-21-50757680
No.1001, Shiwan Qi Road, Pudong Area,Shanghai 201202,China E-mail: market@way-on.com Http://www.way-on.com
CYG Wayon Circuit protection Co., Ltd.
Surface-mount devices
Size 11550mm/4420 mils
IH
IT
Vmax
(V)
16
Imax
(A)
Max.Time-to-trip
Pdtyp
(W)
Rmin
(Ω)
R1max
(Ω)
Part number
(A)
(A)
(A)
(S)
LP-MSM190
1.90
3.80
100
10.0
2.00
1.5
0.024
0.080
IH=Hold current: maximum current at which the device will not trip at 25℃ still air.
IT=Trip current: minimum current at which the device will always trip at 25℃ still air.
Vmax=Maximum voltage device can withstand without damage at rated current.
Imax=Maximum fault current device can withstand without damage at rated voltage.
Ttrip=Maximum time to trip at assigned current.
Pdtyp=Typical power dissipation: typical amount of power dissipated by the device when in state air environment.
Rmin=Minimum device resistance at 25℃ prior to tripping.
R1max=Maximum device resistance measured in the nontripped state 1 hour post reflow.
Marking System
Part Numbering System
Test Procedures And Requirements
Test
Test Conditions
Accept/Reject Criteria
Rmin≤R≤Rmax
Resistance
In still air @ 25℃
Time to Trip
Specified current, Vmax, 25℃
30min, at IH
Vmax, Imax, 100cycles
Vmax, 24hours
T≤maximum Time to Trip
No trip
No arcing or burning
No arcing or burning
Hold Current
Trip Cycle Life
Trip Endurance
CYG Wayon Circuit protection Co., Ltd.
Tel: 86-21- 50310888
Fax: 86-21-50757680
No.1001, Shiwan Qi Road, Pudong Area,Shanghai 201202,China
E-mail: market@way-on.com Http://www.way-on.com
CYG Wayon Circuit protection Co., Ltd.
Surface-mount devices
Packaging and Marking Information
Size 4532mm/1812 mils
Tape &
Reel
Tape
spc
Part
Recommended Pad Layout Figures[mm(In.)]
Agency
Part number
Marking
Recognition
Dimension
A(Nom.)
Dimension
B(Nom.)
Dimension
C(Nom.)
Quantity
code
LP-MSM010
2000
2000
2000
2000
2000
2000
2000
2000
2000
2000
1000
2000
2000
2000
2000
1000
1000
1000
1000
2000
2000
2000
1812A
1812A
1812A
1812A
1812A
1812A
1812A
1812A
1812A
1812A
1812B
1812A
1812A
1812A
1812A
1812B
1812B
1812B
1812B
1812A
1812A
1812A
W010
W014
W020
W050
W075
W110
W125
W150
W160
W200
W260
W050
W075
W110
W125
W150
W160
W200
W260
W190
W250
W350
3.45 (0.141)
3.45 (0.141)
3.45 (0.141)
3.45 (0.141)
3.45 (0.141)
3.45 (0.141)
3.45 (0.141)
3.45 (0.141)
3.45 (0.141)
3.45 (0.141)
3.45 (0.141)
3.45 (0.141)
3.45 (0.141)
3.45 (0.141)
3.45 (0.141)
3.45 (0.141)
3.45 (0.141)
3.45 (0.141)
3.45 (0.141)
3.45 (0.141)
3.45 (0.141)
3.45 (0.141)
1.78 (0.071)
1.78 (0.071)
1.78 (0.071)
1.78 (0.071)
1.78 (0.071)
1.78 (0.071)
1.78 (0.071)
1.78 (0.071)
1.78 (0.071)
1.78 (0.071)
1.78 (0.071)
1.78 (0.071)
1.78 (0.071)
1.78 (0.071)
1.78 (0.071)
1.78 (0.071)
1.78 (0.071)
1.78 (0.071)
1.78 (0.071)
1.78 (0.071)
1.78 (0.071)
1.78 (0.071)
3.15 (0.121)
3.15 (0.121)
3.15 (0.121)
3.15 (0.121)
3.15 (0.121)
3.15 (0.121)
3.15 (0.121)
3.15 (0.121)
3.15 (0.121)
3.15 (0.121)
3.15 (0.121)
3.15 (0.121)
3.15 (0.121)
3.15 (0.121)
3.15 (0.121)
3.15 (0.121)
3.15 (0.121)
3.15 (0.121)
3.15 (0.121)
3.15 (0.121)
3.15 (0.121)
3.15 (0.121)
UL,CSA,TUV
UL,CSA,TUV
UL,CSA,TUV
UL,CSA,TUV
UL,CSA,TUV
UL,CSA,TUV
UL,CSA,TUV
UL,CSA,TUV
UL,CSA,TUV
UL,CSA,TUV
UL,CSA,TUV
TUV
LP-MSM014
LP-MSM020
LP-MSM050
LP-MSM075
LP-MSM110
LP-MSM125
LP-MSM150
LP-MSM160
LP-MSM200
LP-MSM260
LP-MSM050/24
LP-MSM075/24
LP-MSM110/24
LP-MSM125/24
LP-MSM150/24
LP-MSM160/24
LP-MSM200/16
LP-MSM260/12
LP-MSML190
LP-MSML250
LP-MSML350
TUV
TUV
TUV
TUV
TUV
TUV
TUV
UL,CSA
UL,CSA
UL,CSA
Size 11550mm/4420 mils
Tape &
Tape
spc
Part
Recommended Pad Layout Figures[mm(In.)]
Agency
Part number
Reel
Marking
Recognition
Dimension
A(Nom.)
Dimension
B(Nom.)
Dimension
C(Nom.)
Quantity
code
LP-MSM190
4000
4420A
W190
9.57 (0.381)
1.45 (0.061)
4.75 (0.191)
UL,CSA,TUV
Soldering
Preheating
Cooling
Solder Pad Layouts
300
260
250
200
160
150
100
50
0
30 to 90
120
10 to 20
Time(s)
Fax: 86-21-50757680
CYG Wayon Circuit protection Co., Ltd.
Tel: 86-21- 50310888
No.1001, Shiwan Qi Road, Pudong Area,Shanghai 201202,China
E-mail: market@way-on.com Http://www.way-on.com
CYG Wayon Circuit protection Co., Ltd.
Surface-mount devices
* Recommended reflow methods: IR, Vapor phase oven, hot
air oven, wave solder.
* Devices can be cleaned using standard industry methods and solvents.
Notes:
If reflow temperatures exceed the recommended profile,
devices may not meet the performance requirements.
Tape Specification And Reel Dimensions
Tape spc
code
W
P0
P1
P2
A
B B
D
F
E
T
1812(A) 12.0±0.30 4.00±0.10 8.00±0.10 2.00±0.05 3.55±0.10 4.90±0.10 1.55±0.05 5.50±0.10 1.75±0.10 0.25±0.05
1812(B) 12.0±0.30 4.00±0.10 8.00±0.10 2.00±0.05 3.55±0.10 4.90±0.10 1.55±0.05 5.50±0.10 1.75±0.10 0.25±0.05
4420
16.0±0.30 4.00±0.10 8.00±0.10 2.00±0.05 5.65±0.10 8.05±0.10 1.55±0.05 7.50±0.10 1.75±0.10 0.30±0.05
（A）
Reel Dimensions
Tape spc code
A
N
W1
W2
1812(A)
1812(B)
4420(A)
180+0/-1.5
180+0/-1.5
330+0/-1.5
60+1/-0
60+1/-0
100+1/-0
13.0+1/-0
13.0+1/-0
16.4+1/-0
15.4+1/-0
15.4+1/-0
24.2+1/-0
CYG Wayon Circuit protection Co., Ltd.
Tel: 86-21- 50310888
Fax: 86-21-50757680
No.1001, Shiwan Qi Road, Pudong Area,Shanghai 201202,China
E-mail: market@way-on.com Http://www.way-on.com
CYG Wayon Circuit protection Co., Ltd.
Surface-mount devices
Storage
The maximum ambient temperature shall not exceed 40℃. Storage temperatures higher than 40℃ could
result in the deformation of packaging materials. The maximum relative humidity recommended for
storage is 70%. High humidity with high temperature can accelerate the oxidation of the solder plating on
the termination and reduce the solderability of the components. Sealed plastic bags with desiccant shall
be used to reduce the oxidation of the termination and shall only be opened prior to use. The products
shall not be stored in areas where harmful gases containing sulfur or chlorine are present.
Warning:
PPTC devices are intended for protection against occasional over-current or over-temperature fault
conditions, and should not be used when repeated fault conditions are anticipated. Operation beyond
maximum ratings or improper use may result in device damage and possible electrical arcing and flame.
Notes:
The specification is intended to present application, product and technical data to assist the user in
selecting PPTC circuit production devices. However, users should independently evaluate and test the
suitability of each product. Wayon makes no warranties as to the accuracy or completeness of the
information and disclaims any liability resulting from its use. Wayon’s only obligations are those in the
Wayon Standard Terms and Conditions of Sale and in no case will Wayon be liable for any incidental,
indirect, or consequential damages arising from the sale, resale, or misuse of its products. Wayon reserves
the right to change or update, without notice, any information contained in this specification.
CYG Wayon Circuit protection Co., Ltd.
Tel: 86-21- 50310888
Fax: 86-21-50757680
No.1001, Shiwan Qi Road, Pudong Area,Shanghai 201202,China
E-mail: market@way-on.com Http://www.way-on.com
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