Resettable PPTC Datasheet
30R Series
Radial Leaded
RoHS
Description
The 30R Series radial leaded device is designed to
provide overcurrent protection for low voltage (≤30V) applications
where space is not a concern and resettable protection is
preferred.
Features
■ Cured, flame retardant
epoxy polymer insulating
material meets UL 94V-0
requirements
■ Fast time–to-trip
■ RoHS compliant, Lead-Free
and Halogen-Free*
Applications
■ General electronics
■ USB hubs, ports
and peripherals
Additional Information
■ Computers & peripherals
■ Automotive applications
■ Motor protection
Agency Approvals
Resources
Accessories
Agency
Samples
Agency File Number
E183209
R50119318
Electrical Characteristics
Pd
Part Number
I hold
(A)
I trip
(A)
V max
(Vdc)
I max
(A)
typ. (W)
30R090U
30R110U
30R135U
30R160U
30R185U
30R250U
30R300U
30R400U
30R500U
30R600U
30R700U
30R800U
30R900U
0.90
1.10
1.35
1.60
1.85
2.50
3.00
4.00
5.00
6.00
7.00
8.00
9.00
1.80
2.20
2.70
3.20
3.70
5.00
6.00
8.00
10.00
12.00
14.00
16.00
18.00
30
30
30
30
30
30
30
30
30
30
30
30
30
40
40
40
40
40
40
40
40
40
40
40
40
40
0.6
0.7
0.8
0.9
1.0
1.2
2.0
2.5
3.0
3.5
3.8
4.0
4.2
Caution: Operation beyond the specified rating may result in damage and possible arcing and flame.
I hold = Hold current: maximum current device will pass without tripping in 20°C still air.
I trip = Trip current: minimum current at which the device will trip in 20°C still air.
Vint = Maximum voltage the device can withstand without damage at rated current (I max)
Vop = The device regular operation voltage
I max = Maximum fault current device can withstand without damage at rated voltage (Vmax)
P d = Power dissipated from device when in the tripped state at 20°C still air.
Maximum Time To Trip
Current
Time
(A)
(Sec.)
4.50
5.50
6.75
8.00
9.25
12.50
15.00
20.00
25.00
30.00
35.00
40.00
40.00
5.90
6.60
7.30
8.00
8.70
10.30
10.80
12.70
14.50
16.00
17.50
18.80
20.00
Resistance
R min
R 1max
(Ω)
(Ω)
0.070
0.050
0.040
0.030
0.030
0.020
0.020
0.010
0.010
0.005
0.005
0.005
0.005
Agency Approvals
0.220
0.170
0.130
0.110
0.090
0.070
0.080
0.050
0.050
0.040
0.030
0.020
0.020
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
R min = Minimum resistance of device in initial (un-soldered) state.
R typ = Typical resistance of device in initial (un-soldered) state.
R 1max = Maximum resistance of device at 20°C measured one hour after tripping.
* Effective February 11, 2010 onward, all 600R PTC products will be manufactured Halogen Free (HF). Existing
Non-Halogen Free 600R PTC products may continue to be sold, until supplies are depleted. This change will
have no effect on 600R product specifications or performance.
Warning
• Users shall independently assess the suitability of these devices for each of their applications
• Operation of these devices beyond the stated maximum ratings could result in damage to the devices and lead to electrical arcing and/or fire
• These devices are intended to protect against the effects of temporary over-current or over-temperature conditions and are not intended to perform as protective devices where such conditions are expected to be
repetitive or prolonged in duration
• Exposure to silicon-based oils, solvents, electrolytes, acids, and similar materials can adversely affect the performance of these PPTC devices
• These devices undergo thermal expansion under fault conditions, and thus shall be provided with adequate space and be protected against mechanical stresses
• Circuits with inductance may generate a voltage (L di/dt) above the rated voltage of the PPTC device.
1
© 2021 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: GD. 05/07/21
Resettable PPTC Datasheet
30R Series
Radial Leaded
Temperature Rerating
Ambient Operation Temperature
-40°C
-20°C
0°C
20°C
1.31
1.60
1.96
2.32
2.68
3.63
4.35
5.80
7.25
8.70
10.15
11.60
13.05
1.17
1.43
1.76
2.08
2.41
3.25
3.90
5.20
6.50
7.80
9.10
10.40
11.70
1.04
1.27
1.55
1.84
2.13
2.88
3.45
4.60
5.75
6.90
8.05
9.20
10.35
0.90
1.10
1.35
1.60
1.85
2.50
3.00
4.00
5.00
6.00
7.00
8.00
9.00
40°C
Part Number
30R090U
30R110U
30R135U
30R160U
30R185U
30R250U
30R300U
30R400U
30R500U
30R600U
30R700U
30R800U
30R900U
50°C
60°C
70°C
85°C
0.69
0.85
1.04
1.23
1.42
1.93
2.31
3.08
3.85
4.62
5.39
6.16
6.93
0.61
0.75
0.92
1.09
1.26
1.70
2.04
2.72
3.40
4.08
4.76
5.44
6.12
0.55
0.67
0.82
0.98
1.13
1.53
1.83
2.44
3.05
3.66
4.27
4.88
5.49
0.47
0.57
0.70
0.83
0.96
1.30
1.56
2.08
2.60
3.12
3.64
4.16
4.68
Hold Current (A)
0.75
0.91
1.12
1.33
1.54
2.08
2.49
3.32
4.15
4.98
5.81
6.64
7.47
Temperature Rerating Curve
Average Time Current Curves
100000
170%
150%
Percentage of Rated Current
10000
Time in Seconds
1000
C
H KL
M
A B DE F G I
J
100
130%
110%
90%
70%
50%
30%
10%
10
-40 -30 -20
1
-10
0
10
20 30
40
Temperature (°C)
50
60
70
80
Note: Typical Temperature rerating curve, refer to table for derating data
0.1
0.01
0.1
1
10
100
Current in Amperes
The average time current curves and Temperature Rerating curve performance is affected by a number
or variables, and these curves provided as guidance only. Customer must verify the performance in their
application.
2
© 2021 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: GD. 05/07/21
Resettable PPTC Datasheet
30R Series
Radial Leaded
Soldering Parameters - Wave Soldering
Soldering Zone
Cooling Zone
Refer to the condition recommended by the flux
manufacturer.
Max. ramping rate should not exceed 4°C/Sec.
Max. solder temperature should not exceed
260°C.
Time within 5°C of actual Max. solder
temperature within 3 - 5 seconds.
Total time from 25°C room to Max. solder
temperature within 5 minutes including PreHeating time.
Cooling by natural convection in air.
Max. ramping down rate should not exceed 6°C/
Sec.
Soldering
260
Cooling
220
Temperature (°C)
Pre-Heating Zone
190
160
0
Preheating
60 min.
5 max.
Time(s)
Physical Specifications
Lead Material
Soldering
Characteristics
Insulating Material
Device Labeling
Environmental Specifications
0.90-1.85A: Tin-plated Copper clad steel
2.50-9.00A: Tin-plated Copper
Solderability per MIL–STD–202,
Method 208
Cured, flame retardant epoxy polymer meets
UL94V-0 requirements.
Marked with ‘LF’, voltage, current rating, and
date code.
Operating Temperature
Maximum Device Surface
Temperature in Tripped State
Passive Aging
Humidity Aging
Thermal Shock
Solvent Resistance
Moisture Resistance Level
3
-40°C to +85°C
125°C
+85°C, 1000 hours
-/+5% typical resistance change
+85°C, 85% R.H., 1000 hours
-/+5% typical resistance change
+85°C to -40°C 10 times
-/+5% typical resistance change
MIL–STD–202, Method 215
No change
Level 1, J–STD–020
© 2021 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: GD. 05/07/21
Resettable PPTC Datasheet
30R Series
Radial Leaded
Dimensions & Part Marking System
E
A
Single Sided Marking
Littelfuse
Trademark
30
Voltage Rating
Current Rating
Date Code
(Contact Littelfuse
for additional
information)
110U
XXXX
B
D
C
A
F
B
C
D
E
F
Physical Characteristics
Part
Number
Inches
mm
Inches
mm
Inches
mm
Inches
mm
Inches
mm
Inches
mm
Max.
Max.
Max.
Max.
Typ.
Typ.
Min.
Min.
Max.
Max.
Typ.
Typ.
Inches
mm
30R090U
30R110U
30R135U
30R160U
30R185U
30R250U
30R300U
30R400U
30R500U
30R600U
30R700U
30R800U
30R900U
0.29
0.29
0.35
0.35
0.40
0.45
0.45
0.55
0.55
0.65
0.75
0.85
0.95
7.40
7.40
8.90
8.90
10.20
11.40
11.40
14.00
14.00
16.50
19.10
21.60
24.10
0.48
0.56
0.53
0.60
0.62
0.72
0.76
0.87
1.01
1.06
1.13
1.22
1.24
12.20
14.20
13.50
15.20
15.70
18.30
19.20
22.00
25.60
26.80
28.60
31.10
31.60
0.20
0.20
0.20
0.20
0.20
0.20
0.20
0.20
0.40
0.40
0.40
0.40
0.40
5.10
5.10
5.10
5.10
5.10
5.10
5.10
5.10
10.20
10.20
10.20
10.20
10.20
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
7.60
7.60
7.60
7.60
7.60
7.60
7.60
7.60
7.60
7.60
7.60
7.60
7.60
0.12
0.12
0.12
0.12
0.12
0.12
0.12
0.12
0.12
0.12
0.12
0.12
0.12
3.00
3.00
3.00
3.00
3.00
3.00
3.00
3.00
3.00
3.00
3.00
3.00
3.00
0.039
0.039
0.039
0.039
0.039
0.039
0.047
0.047
0.047
0.047
0.047
0.047
0.047
1.0
1.0
1.0
1.0
1.0
1.0
1.2
1.2
1.2
1.2
1.2
1.2
1.2
0.02
0.02
0.02
0.02
0.02
0.02
0.03
0.03
0.03
0.03
0.03
0.03
0.03
0.51
0.51
0.51
0.51
0.51
0.51
0.81
0.81
0.81
0.81
0.81
0.81
0.81
Lead (dia)
Material
Sn/CuFe
Sn/CuFe
Sn/CuFe
Sn/CuFe
Sn/CuFe
Sn/Cu
Sn/Cu
Sn/Cu
Sn/Cu
Sn/Cu
Sn/Cu
Sn/Cu
Sn/Cu
Part Ordering Number System
30 R 250 U P R
Packaging Style
Blank: Bulk
R: Tape & Ammo
Series
Quantity Code: F=200 H=100 M=1000 P=2000 U=500
Type: U (30vdc)
IHold Current Code (See Table Below)
R: Radial
Voltage Rating (Vdc)
4
© 2021 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: GD. 05/07/21
Resettable PPTC Datasheet
30R Series
Radial Leaded
Packaging
Part Number
30R090U
30R110U
30R135U
30R160U
30R185U
30R250U
30R300U
30R400U
30R500U
30R600U
30R700U
30R800U
30R900U
I hold
(A)
Ordering Number
30R090UU
30R090UPR
30R110UU
30R110UPR
30R135UU
30R135UPR
30R160UU
30R160UPR
30R185UU
30R185UPR
30R250UU
30R250UPR
30R300UU
30R300UPR
30R400UF
30R400UMR
30R500UF
30R500UMR
30R600UF
30R600UMR
30R700UMR
30R800UH
30R900UH
30R900UMR
I hold
Code
0.90
090
1.10
110
1.35
135
1.60
160
1.85
185
2.50
250
3.00
300
4.00
400
5.00
500
6.00
600
7.00
8.00
9.00
9.00
700
800
900
900
Packaging Option
Quantity
Quantity & Packaging Codes
Bulk
Tape and Ammo
Bulk
Tape and Ammo
Bulk
Tape and Ammo
Bulk
Tape and Ammo
Bulk
Tape and Ammo
Bulk
Tape and Ammo
Bulk
Tape and Ammo
Bulk
Tape and Ammo
Bulk
Tape and Ammo
Bulk
Tape and Ammo
Tape and Ammo
Bulk
Bulk
Tape and Ammo
500
2000
500
2000
500
2000
500
2000
500
2000
500
2000
500
2000
200
1000
200
1000
200
1000
1000
100
100
1000
U
PR
U
PR
U
PR
U
PR
U
PR
U
PR
U
PR
F
MR
F
MR
F
MR
MR
H
H
MR
Tape and Ammo Diagram
∆h
Figure 1
∆h
∆h
∆p
Reference plane
A1
H1
H1 C 1
H C2
F
A
L
H0
B
W4
W5
W
I2
L1
P0
D0
Direction of unreeling
Cross section A - B
t
Reel
Upper side
Direction
of
unreeling
5
Tape
© 2021 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: GD. 05/07/21
Resettable PPTC Datasheet
30R Series
Radial Leaded
Tape and Ammo Specifications
Devices taped using EIA468-B/IE286-2 standards. See table below and Figure 1 for details.
Dimension
Carrier tape width
EIA Mark
IEC Mark
W
Dimensions
Dim. (mm)
Tol. (mm)
W
18
-0.5 / +1.0
Hold down tape width:
W4
W0
11
min.
Top distance between tape edges
W6
W2
3
max.
Sprocket hole position
W5
W1
9
-0.5 / +0.75
Sprocket hole diameter*
D0
D0
4
-0.32 / +0.2
Abscissa to plane(straight lead)
H
H
18.5
-/+ 3.0
Abscissa to plane(kinked lead)
H0
H0
16
-/+ 0.5
Abscissa to top: 30R090-30R185
H1
H1
32.2
max.
-
-
45.0
max.
C1
-
42.5
max.
Abscissa to top: 30R250-30R900
Overall width w/o lead protrusion: 30R09030R185
Overall width w/o lead protrusion: 30R25030R900
Overall width w/ lead protrusion: 30R090-30R185
-
-
56
max.
C2
-
43.2
max.
Overall width w/ lead protrusion: 30R250-30R900
-
-
57
max.
Lead protrusion
L1
l1
1.0
max.
Protrusion of cut out
L
L
11
max.
Protrusion beyond hold–down tape
l2
l2
Not specified
-
Sprocket hole pitch: 30R090-30R300
P0
P0
12.7
-/+ 0.3
Sprocket hole pitch on: 30R400-30R900
P0
P0
25.4
-/+ 0.5
Device pitch: 30R090-30R300
-
-
12.7
-
Device pitch: 30R400-30R900
-
-
25.4
-
Pitch tolerance
-
-
20 consecutive.
-/+ 1
Tape thickness
t
t
0.9
max.
Tape thickness with splice: 30R090-30R250
t1
-
1.5
max.
Tape thickness with splice: 30R300-30R900
t1
-
2.0
max.
-
-
0
-/+ 0.3
Body lateral deviation
Δh
Δh
0
-/+ 1.0
Body tape plane deviation
Δp
Δp
0
-/+ 1.3
Ordinate to adjacent component lead*
P1
P1
3.81
-/+ 0.7
Ordinate to adjacent component lead*
-
-
7.62
-/+ 0.7
Splice sprocket hole alignment
Lead spacing: 30R090–30R400
F
F
5.08
-/+ 0.8
Lead spacing: 30R500-30R900
F
F
10.18
-/+ 0.8
Note: *Differs from EIA Specification
Warning
• Users shall independently assess the suitability of these devices for each of their applications
• Operation of these devices beyond the stated maximum ratings could result in damage to the devices and lead to electrical arcing and/or fire
• These devices are intended to protect against the effects of temporary over-current or over-temperature conditions and are not intended to perform as protective devices where such conditions are expected to be repetitive or
prolonged in duration
• Exposure to silicon-based oils, solvents, electrolytes, acids, and similar materials can adversely affect the performance of these PPTC devices
• These devices undergo thermal expansion under fault conditions, and thus shall be provided with adequate space and be protected against mechanical stresses
• Circuits with inductance may generate a voltage (L di/dt) above the rated voltage of the PPTC device.
Disclaimer Notice - Information furnished is believed to be accurate and reliable. However, users should independently evaluate the suitability of and test each product selected for their own applications. Littelfuse products are
not designed for, and may not be used in, all applications. Read complete Disclaimer Notice at www.littelfuse.com/disclaimer-electronics.
6
© 2021 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: GD. 05/07/21
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