30R Series
POLYFUSE® Resettable PTCs
Radial Leaded > 30R Series
Description
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provide overcurrent protection for low voltage (≤30V)
applications where space is not a concern and resettable
protection is preferred.
Features
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epoxy polymer insulating
material meets UL 94V-0
requirements
Agency Approvals
AGENCY AGENCY FILE NUMBER
E183209
Applications
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and peripherals
R50119318
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Electrical Characteristics
Part Number
I
hold
(A)
I
(A)
trip
V
max
(Vdc)
I
(A)
max
P
typ.
(W)
d
Current
Maximum Time
To Trip
Time
(A)
(Sec.)
30R090 0.90 1.80 30 40 0.6 4.50 5.90 0.070 0.220
30R110 1.10 2.20 30 40 0.7 5.50 6.60 0.050 0.170
30R135 1.35 2.70 30 40 0.8 6.75 7.30 0.040 0.130
30R160 1.60 3.20 30 40 0.9 8.00 8.00 0.030 0.110
30R185 1.85 3.70 30 40 1.0 9.25 8.70 0.030 0.090
30R250 2.50 5.00 30 40 1.2 12.50 10.30 0.020 0.070
30R300 3.00 6.00 30 40 2.0 15.00 10.80 0.020 0.080
30R400 4.00 8.00 30 40 2.5 20.00 12.70 0.010 0.050
30R500 5.00 10.00 30 40 3.0 25.00 14.50 0.010 0.050
30R600 6.00 12.00 30 40 3.5 30.00 16.00 0.005 0.040
30R700 7.00 14.00 30 40 3.8 35.00 17.50 0.005 0.030
30R800 8.00 16.00 30 40 4.0 40.00 18.80 0.005 0.020
30R900 9.00 18.00 30 40 4.2 40.00 20.00 0.005 0.020
I
= Hold current: maximum current device will pass without tripping in 23°C still air.
hold
= Trip current: minimum current at which the device will trip in 23°C still air.
I
trip
= Maximum voltage device can withstand without damage at rated current (I
V
max
= Maximum fault current device can withstand without damage at rated voltage (V
I
max
= Power dissipated from device when in the tripped state at 23°C still air.
P
d
)
max
R
= Minimum resistance of device in initial (un-soldered) state.
min
= Maximum resistance of device at 23°C measured one hour after tripping.
R
1max
Caution: Operation beyond the specified rating may result in damage and possible arcing
and flame.
)
max
Resistance
R
min
(Ω)
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Free and Halogen-Free*
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Agency
Approvals
R
1max
(Ω)
XX
XX
XX
XX
XX
XX
XX
XX
XX
XX
XX
XX
XX
30R Series
* Effective January 1, 2010, all 30R PTC products will be manufactured Halogen Free (HF). Existing Non-Halogen Free 30R PTC products may continue to be sold, until supplies are depleted.
© 2010 Littelfuse, Inc
Specifications are subject to change without notice.
Please refer to www.littelfuse.com/series/30R.html for current information.
75
Revised: July 12, 2010
30R Series
POLYFUSE® Resettable PTCs
Radial Leaded > 30R Series
Temperature Rerating
Ambient Operation Temperature
-40°C -20°C 0°C 23°C 40°C 50°C 60°C 70°C 85°C
Part Number
30R090 1.31 1.17 1.04 0.90 0.75 0.69 0.61 0.55 0.47
30R110 1.60 1.43 1.27 1.10 0.91 0.85 0.75 0.67 0.57
30R135 1.96 1.76 1.55 1.35 1.12 1.04 0.92 0.82 0.70
30R160 2.32 2.08 1.84 1.60 1.33 1.23 1.09 0.98 0.83
30R185 2.68 2.41 2.13 1.85 1.54 1.42 1.26 1.13 0.96
30R250 3.63 3.25 2.88 2.50 2.08 1.93 1.70 1.53 1.30
30R300 4.35 3.90 3.45 3.00 2.49 2.31 2.04 1.83 1.56
30R400 5.80 5.20 4.60 4.00 3.32 3.08 2.72 2.44 2.08
30R500 7.25 6.50 5.75 5.00 4.15 3.85 3.40 3.05 2.60
30R600 8.70 7.80 6.90 6.00 4.98 4.62 4.08 3.66 3.12
30R700 10.15 9.10 8.05 7.00 5.81 5.39 4.76 4.27 3.64
30R800 11.60 10.40 9.20 8.00 6.64 6.16 5.44 4.88 4.16
30R900 13.05 11.70 10.35 9.00 7.47 6.93 6.12 5.49 4.68
Hold Current (A)
Average Time Current Curves
0.90A
1.10A
1.35A
1.60A
1.85 A
2.50A
100000
10000
1000
100
10
Time in Seconds
1
0.1
0.01
0.1 1 10 100
3.00A
Current in Amperes
4.00A
5.00A
6.00A
7.00A
8.00A
9.00A
30R
Temperature Rerating Curve
170%
150%
130%
110%
90%
70%
50%
Percentage of Rated Current
30%
10%
-40 -30 -20 -10 0 10 20 30 40 50 60 70 80
Temperature (°C)
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.
30R Series
Revised: July 12, 2010
76
Please refer to www.littelfuse.com/series/30R.html for current information.
Specifications are subject to change without notice.
© 2010 Littelfuse, Inc.
Soldering Parameters - Wave Soldering
Refer to the condition recommended
Pre-Heating Zone
by the flux manufacturer.
Max. ramping rate should not exceed
4°C/Sec.
POLYFUSE® Resettable PTCs
Radial Leaded > 30R Series
260
220
Soldering Cooling
Soldering Zone
Max. solder temperature should not
exceed 260°C
Cooling Zone Cooling by natural convection in air.
Physical Specifications
Lead Material
Soldering
Characteristics
Insulating Material
Device Labeling
0.90-2.50A: Tin-plated Copper clad steel
3.00-9.00A: Tin-plated Copper
Solderability per MIL–STD–202,
Method 208E
Cured, flame retardant epoxy polymer
meets UL94V-0 requirements.
Marked with ‘LF’, voltage, current rating,
and date code.
190
160
Temperature (°C)
0
Preheating
60 min.
5 max.
Time(s)
Environmental Specifications
Operating/Storage
Temperature
Maximum Device Surface
Temperature in Tripped State
Passive Aging
Humidity Aging
Thermal Shock
Solvent Resistance
-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 215F
No change
30R Series
© 2010 Littelfuse, Inc
Specifications are subject to change without notice.
Please refer to www.littelfuse.com/series/30R.html for current information.
Moisture Resistance Level Level 1, J–STD–020C
77
Revised: July 12, 2010
30R Series
POLYFUSE® Resettable PTCs
Radial Leaded > 30R Series
Dimensions
A
E
B
Part Marking System
Single Sided Marking
Littelfuse
Trademark
110U
XXXX
30
Voltage Rating
Current Rating
Date Code
(Contact Littelfuse
for additional
information)
D
C
A B C D E Physical Characteristics
Part Number
Inches mm Inches mm Inches mm Inches mm Inches mm Lead (dia)
Max. Max. Max. Max. Typ. Typ. Min. Min. Max. Max. Inches mm
30R090 0.29 7.40 0.48 12.20 0.20 5.10 0.30 7.60 0.12 3.00 0.02 0.51 Sn/CuFe
30R110 0.29 7.40 0.56 14.20 0.20 5.10 0.30 7.60 0.12 3.00 0.02 0.51 Sn/CuFe
30R135 0.35 8.90 0.53 13.50 0.20 5.10 0.30 7.60 0.12 3.00 0.02 0.51 Sn/CuFe
30R160 0.35 8.90 0.60 15.20 0.20 5.10 0.30 7.60 0.12 3.00 0.02 0.51 Sn/CuFe
30R185 0.40 10.20 0.62 15.70 0.20 5.10 0.30 7.60 0.12 3.00 0.02 0.51 Sn/CuFe
30R250 0.45 11.40 0.72 18.30 0.20 5.10 0.30 7.60 0.12 3.00 0.02 0.51 Sn/Cu
30R300 0.45 11.40 0.76 19.20 0.20 5.10 0.30 7.60 0.12 3.00 0.03 0.81 Sn/Cu
30R400 0.55 14.00 0.87 22.00 0.20 5.10 0.30 7.60 0.12 3.00 0.03 0.81 Sn/Cu
30R500 0.55 14.00 1.01 25.60 0.40 10.20 0.30 7.60 0.12 3.00 0.03 0.81 Sn/Cu
30R600 0.65 16.50 1.06 26.80 0.40 10.20 0.30 7.60 0.12 3.00 0.03 0.81 Sn/Cu
30R700 0.75 19.10 1.13 28.60 0.40 10.20 0.30 7.60 0.12 3.00 0.03 0.81 Sn/Cu
30R800 0.85 21.60 1.22 31.10 0.40 10.20 0.30 7.60 0.12 3.00 0.03 0.81 Sn/Cu
30R900 0.95 24.10 1.24 31.60 0.40 10.20 0.30 7.60 0.12 3.00 0.03 0.81 Sn/Cu
Material
30R Series
78
Revised: July 12, 2010
© 2010 Littelfuse, Inc.
Please refer to www.littelfuse.com/series/30R.html for current information.
Specifications are subject to change without notice.
Part Ordering Number System
30 R 250 U P R
PACKAGING STYLE
BLANK: Bulk
SERIES
I
R: RADIAL
VOLTAGE RATING (VDC)
Packaging
TYPE: U (30VDC)
CURRENT CODE (SEE TABLE BELOW)
HOLD
R: Tape & Ammo
QUANTITY CODE: F=200 H=100 M=1000 P=2000 U=500
POLYFUSE® Resettable PTCs
Radial Leaded > 30R Series
Part Number Ordering Number
30R090
30R110
30R135
30R160
30R185
30R250
30R300
30R400
30R500
30R600
30R700
30R090UU
30R090UPR Tape and Ammo 2000
30R110UU
30R110UPR Tape and Ammo 2000
30R135UU
30R135UPR Tape and Ammo 2000
30R160UU
30R160UPR Tape and Ammo 2000
30R185UU
30R185UPR Tape and Ammo 2000
30R250UU
30R250UPR Tape and Ammo 2000
30R300UU
30R300UPR Tape and Ammo 2000
30R400UF
30R400UMR Tape and Ammo 1000
30R500UF
30R500UMR Tape and Ammo 1000
30R600UF
30R600UMR Tape and Ammo 1000
30R700UF
30R700UMR Tape and Ammo 1000
I
hold
(A)
0.90 090
1. 10 11 0
1.35 135
1.60 160
1.85 185
2.50 250
3.00 300
4.00 400
5.00 500
6.00 600
7.00 700
I
hold
Code
Packaging Option Quantity
Bulk 500
Bulk 500
Bulk 500
Bulk 500
Bulk 500
Bulk 500
Bulk 500
Bulk 200
Bulk 200
Bulk 200
Bulk 200
30R800 30R800UH 8.00 800 Bulk 100
30R900 30R900UH 9.00 900 Bulk 100
Quantity & Packaging
Codes
U
PR
U
PR
U
PR
U
PR
U
PR
U
PR
U
PR
F
MR
F
MR
F
MR
F
MR
H
H
30R Series
© 2010 Littelfuse, Inc
Specifications are subject to change without notice.
Please refer to www.littelfuse.com/series/30R.html for current information.
79
Revised: July 12, 2010
30R Series
POLYFUSE® Resettable PTCs
Radial Leaded > 30R Series
Tape and Ammo Specifications
Devices taped using EIA468-B/IE286-2 standards. See table below and Figure 1 for details.
Dimension EIA Mark IEC Mark
Carrier tape width WW18 -0.5 / +1.0
Hold down tape width: W
Top distance between tape edges W
Sprocket hole position W
Sprocket hole diameter* D
4
6
5
0
Abscissa to plane(straight lead) HH18.5 -/+ 3.0
Abscissa to plane(kinked lead) H
Abscissa to top: 30R090-30R185 H
0
1
Abscissa to top: 30R250-30R900 45.0 max.
Overall width w/o lead protrusion: 30R090-30R185 C
1
Overall width w/o lead protrusion: 30R250-30R900 56 max.
Overall width w/ lead protrusion: 30R090-30R185 C
2
Overall width w/ lead protrusion: 30R250-30R900 57 max.
Lead protrusion L
1
Protrusion of cut out LL11 max.
Protrusion beyond hold–down tape l
Sprocket hole pitch: 30R090-30R300 P
Sprocket hole pitch on: 30R400-30R900 P
2
0
0
Device pitch: 30R090-30R300 12.7
Device pitch: 30R400-30R900 25.4
Pitch tolerance 20 consecutive. -/+ 1
Tape thickness tt0.9 max.
Tape thickness with splice: 30R090-30R250 t
Tape thickness with splice: 30R300-30R900 t
1
1
Splice sprocket hole alignment 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* P
1
Ordinate to adjacent component lead* 7.62 -/+ 0.7
Lead spacing: 30R090–30R400 FF5.08 -/+ 0.8
Lead spacing: 30R500-30R900 FF10.18 -/+ 0.8
W
0
W
2
W
1
D
0
H
0
H
1
l
1
l
2
P
0
P
0
2.0 max.
P
1
Dimensions
Dim. (mm) Tol. (mm)
11 min.
3 max.
9 -0.5 / +0.75
4 -0.32 / +0.2
16 -/+ 0.5
32.2 max.
42.5 max.
43.2 max.
1.0 max.
Not specified
12.7 -/+ 0.3
25.4 -/+ 0.5
1.5 max.
3.81 -/+ 0.7
*Differs from EIA Specification
30R Series
80
Revised: July 12, 2010
© 2010 Littelfuse, Inc.
Please refer to www.littelfuse.com/series/30R.html for current information.
Specifications are subject to change without notice.
Tape and Ammo Diagram
POLYFUSE® Resettable PTCs
Radial Leaded > 30R Series
Δh
H
Δh
1
Figure 1
Δh
Reference plane
A
1
F
H
L
I
2
P
L
1
0
A
B
0
W
W
D
0
5
4
W
Direction of unreeling
C
H
1
1
C
H
2
Cross section A - B
t
Δp
30R Series
© 2010 Littelfuse, Inc
Specifications are subject to change without notice.
Please refer to www.littelfuse.com/series/30R.html for current information.
81
Revised: July 12, 2010
30R Series
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