Positive Thermal Coefficient (PTC
PTC)
RL30 Series
Description
Positive Thermal Coefficient devices(PTC),provide over
over-current
protection for electrical and electronic devices. They function
using conducting strips of metal imbedded inside polymers.
Under normal conditions, the devices resistance is near zero,
but over-current
current conditions will heat the PTC and expand the
polymer, increasing the impedance. When current returns to
normal, the components
mponents cool down, returning to their original
shape and very low levels of resistance.
Applications
l Over-current
current and over-temperature
over
protection of
Features
automotive electronics
l I(hold): 0.5~9.0A
l Hard disk drives
l 30V Operating voltages
l Point-of-sale
sale (POS) equipment
l Radial leaded devices.
l PCMCIA cards
l Over-current protection
l Power over Ethernet (POE)
l Very high voltage surge capabilities.
l HDMI 1.4 Source protection
l Available in lead-free version.
l Computers & peripherals
l Fast time–to–trip
l Industrial control
Halogen-Free
l RoHS compliant, Lead- Free and Halogen
l Security systems
Part Number Code
R
L
X
LOGO
X
X
-
Voltage rating(VDC)
X
X
X
Hold current
Environmental Specifications
Test
Conditions
Resistance change
Passive aging
+85℃,1000hrs
±8% typical
Humidity aging
+85℃,85%R.H.1000hrs
±8% typical
Thermal shock
+125℃ to -55℃,10times
±12% typical
Resistance to solvent
MIL-STD-202,Method 215
No change
Vibration
MIL-STD-202,Method 201
No change
Specifications are subject to change without notice.
Please refer to http://www.ruilon.com.cn for current information.
Revised: 2021-06-21
Page:1
PTC)
Positive Thermal Coefficient (PTC
RL30 Series
Electrical Characteristic
Ihold
(A)
IT
(A)
Vmax
(
(V)
RL30-050
0.50
1.0
RL30-070
0.70
RL30-075
Model
Maximum Time to Trip
Imax
(A)
Pd typ
(W
W)
Current(A)
Time(S)
30
2.5
4.1
40
1.4
30
3.50
4.3
0.75
1.5
30
3.75
RL30-090
0.90
1.8
30
RL30-110
1.10
2.2
RL30-120
1.20
RL30-135
Resistance(Ω)
Rimin
R1max
0.5
0.25
0.25~1.20
40
0.6
0.14
0.35
5.2
40
0.6
0.12
0.42
4.5
5.9
40
0.6
0.07
0.30
30
5.5
6.6
40
0.7
0.05
0.26
2.4
30
6.0
8.0
40
0.8
0.08
0.20
1.35
2.7
30
6.75
7.3
40
0.8
0.04
0.22
RL30-160
1.60
3.2
30
8.0
8.0
40
0.9
0.03
0.18
RL30-185
1.85
3.7
30
9.25
8.7
40
1.0
0.03
0.15
RL30-200
2.00
4.0
30
10.0
11
40
1.0
0.03
0.13
RL30-250
2.50
5.0
30
12.5
10.3
40
1.2
0.02
0.10
RL30-300
3.00
6.0
30
15.0
10.8
40
2.0
0.02
0.10
RL30-400
4.00
8.0
30
20.0
12.7
40
2.5
0.01
0.09
RL30-500
5.00
10.0
30
25.0
14.5
40
3.0
0.01
0.08
RL30-600
6.00
12.0
30
30.0
16
40
3.5
0.005
0.06
RL30-700
7.00
14.0
30
35.0
17.5
40
3.8
0.005
0.05
RL30-800
8.00
16.0
30
40.0
18.8
40
4.0
0.005
0.18
RL30-900
9.00
18.0
30
45.0
20
40
4.2
0.005
0.025
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 nalways at 25℃ still air.
V max=Maximum voltage device can withstand without damage at rated current.
Imax=Maximum fault current device can withstand tithout damage at rated voltage.
T trip=Maximum time to trip(s) at assigned current.
Pd=Typical power dissipation: typical amount of power dissipated by the decice when in state air environment.
Ri min=Minimum device resistance at 25℃ prior to tripping.
R1 max=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: 2021-06-21
Page:2
Positive Thermal Coefficient (PTC
PTC)
RL30 Series
Solder reflow conditions
Wave Soldering
300
Soldering Temperature:260℃~270℃
250
Soldering Time:≤3sec.
200
Soldering Position: Resettable fuse wire and the bottom ≥ 6mm。
Manual soldering
Soldering Temperature:250℃~280℃
Temperature℃
5s max.
245℃-260
Soldering
Pre-heating
150
100℃-130℃
100
Cooling
50
Soldering Time:≤3sec.
0
Soldering Position: Resettable fuse wire and the bottom ≥ 6mm。
0
50
100
150
200
250
Time(s)
Ihold Versus Temperature
Ambient Operation Temperature
Part Number
-40 ºC
-20 ºC
0 ºC
25 ºC
40 ºC
50 ºC
60 ºC
70 ºC
85 ºC
RL30-050
0.73
0.65
0.58
0.50
0.42
0.38
0.34
0.31
0.26
RL30-070
1.01
0.95
0.84
0.70
0.63
0.58
0.50
0.47
0.38
RL30-075
1.10
1.13
0.93
0.75
0.69
0.63
0.54
0.51
0.42
RL30-090
1.31
1.17
1.04
0.90
0.75
0.69
0.61
0.55
0.47
RL30-110
1.60
1.43
1.27
1.10
0.91
0.85
0.75
0.67
0.57
RL30-135
1.96
1.76
1.55
1.35
1.12
1.04
0.92
0.82
0.70
RL30-160
2.32
2.08
1.84
1.60
1.33
1.23
1.09
0.98
0.83
RL30-185
2.68
2.41
2.13
1.85
1.54
1.42
1.26
1.13
0.96
RL30-200
3.13
2.80
2.35
2.00
1.82
1.66
1.45
1.33
1.01
RL30-250
3.63
3.25
2.88
2.50
2.08
1.93
1.54
1.53
1.30
RL30-300
4.35
3.90
3.45
3.00
2.49
2.31
2.04
1.83
1.56
RL30-400
5.80
5.20
4.60
4.00
3.32
3.08
2.72
2.44
2.08
RL30-500
7.25
6.50
5.75
5.00
4.15
3.85
3.40
3.05
2.60
RL30-600
8.70
7.80
6.90
6.00
4.98
4.62
4.08
3.66
3.12
RL30-700
10.15
9.10
8.05
7.00
5.81
5.39
4.76
4.27
3.64
RL30-800
11.60
10.40
9.20
8.00
6.64
RL30-120
RL30-900
Specifications are subject to change without notice.
Please refer to http://www.ruilon.com.cn for current information.
Revised: 2021-06-21
Page:3
Positive Thermal Coefficient (PTC
PTC)
RL30 Series
Product Dimensions
Marking
Marking
Marking
fig.1
fig.2
fig.3
Dimensions(
(in)
Dimensions
Dimensions(mm)
Type Number
Shape
A(max)
B(max)
C(typ
typ)
D(max)
LeadΦ
(typ)
A(max)
B(max)
C(typ)
D(max)
LeadΦ
(typ)
Fig
RL30-050
8.0
14.0
5.1
3.1
0.5
0.315
0.551
0.201
0.122
0.02
1
RL30-070
7.4
14.2
5.1
3
0.5
0.291
0.559
0.201
0.118
0.02
2
RL30-075
7.4
14.2
5.1
3
0.5
0.291
0.559
0.201
0.118
0.02
2
RL30-090
7.4
18.5
5.1
3
0.5
0.291
0.728
0.201
0.118
0.02
2
RL30-110
7.4
18.5
5.1
3
0.5
0.291
0.728
0.201
0.118
0.02
2
RL30-120
7.4
18.5
5.1
3
0.5
0.291
0.728
0.201
0.118
0.02
2
RL30-135
9.2
17.6
5.1
3
0.6
0.362
0.693
0.201
0.118
0.024
2
RL30-160
9.2
20.2
5.1
3
0.6
0.362
0.795
0.201
0.118
0.024
2
RL30-185
10.2
20.2
5.1
3
0.6
0.402
0.795
0.201
0.118
0.024
2
RL30-200
15.2
20.2
5.1
3
0.6
0.598
0.795
0.201
0.118
0.024
2
RL30-250
13.2
22.4
5.1
3
0.6
0.52
0.882
0.201
0.118
0.024
2
RL30-300
13.2
20.4
5.1
3
0.8
0.52
0.803
0.201
0.118
0.031
3
RL30-400
14.0
23.7
5.1
3
0.8
0.551
0.933
0.201
0.118
0.031
3
RL30-500
17.7
24.9
10.2
3
0.8
0.697
0.980
0.402
0.118
0.031
3
RL30-600
17.2
27.0
10.2
3
0.8
0.677
1.063
0.402
0.118
0.031
3
RL30-700
19.1
27.0
10.2
3
0.8
0.752
1.063
0.402
0.118
0.031
3
RL30-800
23.5
29.2
10.2
3
0.8
0.925
1.150
0.402
0.118
0.031
3
RL30-900
25.5
30.0
10.2
3
0.8
1.004
1.181
0.402
0.118
0.031
3
Packaging
Part Number
Quantity
RL30-050~RL30-700
500pcs/bag
00pcs/bag
RL30-800~RL30-900
200pcs/bag
0pcs/bag
Specifications are subject to change without notice.
Please refer to http://www.ruilon.com.cn for current information.
Revised: 2021-06-21
Page:4
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