60R Series
POLYFUSE® Resettable PTCs
Radial Leaded > 60R Series
Description
The 60R Series radial leaded device is designed to provide
overcurrent protection for (≤60V) 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
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Free and Halogen-Free*
requirements
Agency Approvals
AGENCY AGENCY FILE NUMBER
E183209
R50119318
Applications
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and peripherals
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t(FOFSBMFMFDUSPOJDT
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Electrical Characteristics
Part Number
I
hold
(A)
I
(A)
d
Current
Maximum Time
To Trip
Time
(A)
(Sec.)
trip
V
max
(Vdc)
I
(A)
max
P
typ.
(W)
Resistance
R
min
(Ω)
R
1max
(Ω)
60R010 0.10 0.20 60 40 0.38 0.50 4.00 2.500 7.500
60R017 0.17 0.34 60 40 0.48 0.85 3.00 3.300 8.000
60R020 0.20 0.40 60 40 0.41 1.00 2.20 1.830 4.400
60R025 0.25 0.50 60 40 0.45 1.25 2.50 1.250 3.000
60R030 0.30 0.60 60 40 0.49 1.50 3.00 0.880 2.100
60R040 0.40 0.80 60 40 0.56 2.00 3.80 0.550 1.290
60R050 0.50 1.00 60 40 0.77 2.50 4.00 0.500 1.170
60R065 0.65 1.30 60 40 0.88 3.25 5.30 0.310 0.720
60R075 0.75 1.50 60 40 0.92 3.75 6.30 0.250 0.600
60R090 0.90 1.80 60 40 0.99 4.50 7.20 0.200 0.470
60R110 1.10 2.20 60 40 1.50 5.50 8.20 0.150 0.380
60R135 1.35 2.70 60 40 1.70 6.75 9.60 0.120 0.300
60R160 1.60 3.20 60 40 1.90 8.00 11.40 0.090 0.220
60R185 1.85 3.70 60 40 2.10 9.25 12.60 0.080 0.190
60R250 2.50 5.00 60 40 2.50 12.50 15.60 0.050 0.130
60R300 3.00 6.00 60 40 2.80 15.00 19.80 0.040 0.100
60R375 3.75 7.50 60 40 3.20 18.75 24.00 0.030 0.080
I
= Hold current: maximum current device will pass without tripping in 20°C still air.
hold
= Trip current: minimum current at which the device will trip in 20°C still air.
I
trip
= Maximum voltage device can withstand without damage at rated current (I max)
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 20°C still air.
P
d
* Effective January 1, 2010, all 60R PTC products will be manufactured Halogen Free (HF). Existing Non-Halogen Free 60R PTC products may continue to be sold, until supplies are depleted.
R
= Minimum resistance of device in initial (un-soldered) state.
min
= Typical resistance of device in initial (un-soldered) state.
R
typ
= Maximum resistance of device at 20°C measured one hour after tripping or reflow
R
1max
)
max
soldering of 260°C for 20 sec.
Caution: Operation beyond the specified rating may result in damage and possible arcing
and flame.
Agency
Approvals
XX
XX
XX
XX
XX
XX
XX
XX
XX
XX
XX
XX
XX
XX
XX
XX
XX
60R Series
© 2010 Littelfuse, Inc
Specifications are subject to change without notice.
Please refer to www.littelfuse.com/series/60R.html for current information.
83
Revised: July 12, 2010
60R Series
POLYFUSE® Resettable PTCs
Radial Leaded > 60R 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
60R010 0.16 0.14 0.12 0.10 0.08 0.07 0.06 0.05 0.04
60R017 0.26 0.23 0.20 0.17 0.14 0.12 0.11 0.09 0.07
60R020 0.31 0.27 0.24 0.20 0.16 0.14 0.13 0.11 0.08
60R025 0.39 0.34 0.30 0.25 0.20 0.18 0.16 0.14 0.10
60R030 0.47 0.41 0.36 0.30 0.24 0.22 0.19 0.16 0.12
60R040 0.62 0.54 0.48 0.40 0.32 0.29 0.25 0.22 0.16
60R050 0.78 0.68 0.60 0.50 0.41 0.36 0.32 0.27 0.20
60R065 1.01 0.88 0.77 0.65 0.53 0.47 0.41 0.35 0.26
60R075 1.16 1.02 0.89 0.75 0.61 0.54 0.47 0.41 0.30
60R090 1.40 1.22 1.07 0.90 0.73 0.65 0.57 0.49 0.36
60R110 1.71 1.50 1.31 1.10 0.89 0.79 0.69 0.59 0.44
60R135 2.09 1.84 1.61 1.35 1.09 0.97 0.85 0.73 0.54
60R160 2.48 2.18 1.90 1.60 1.30 1.15 1.01 0.86 0.64
60R185 2.87 2.52 2.20 1.85 1.50 1.33 1.17 1.00 0.74
60R250 3.88 3.40 2.98 2.50 2.03 1.80 1.58 1.35 1.00
60R300 4.65 4.08 3.57 3.00 2.43 2.16 1.89 1.62 1.20
60R375 5.81 5.10 4.46 3.75 3.04 2.70 2.36 2.03 1.50
Hold Current (A)
0.10A
0.17A
0.30A
0.40A
0.20A
0.25A
0.50A
0.65A
0.75A
0.90A
1.10A
1.35A
1.60A
1.85A
2.50A
100
10
1
Time in Seconds
0.1
0.01
0.1 1 10 100
Current in Amperes
3.00A
3.75A
60R
Temperature Rerating CurveAverage Time Current Curves
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.
60R Series
Revised: July 12, 2010
84
Please refer to www.littelfuse.com/series/60R.html for current information.
Specifications are subject to change without notice.
© 2010 Littelfuse, Inc.
Soldering Parameters - Wave Soldering
Refer to the condition
recommended by the
Pre-Heating Zone
Soldering Zone
Cooling Zone
flux manufacturer.
Max. ramping rate
should not exceed 4°C/
Sec.
Max. solder
temperature should not
exceed 260°C
Cooling by natural
convection in air.
POLYFUSE® Resettable PTCs
Radial Leaded > 60R Series
260
220
190
160
Temperature (°C)
0
Preheating
60 min.
Soldering Cooling
5 max.
Time(s)
Physical Specifications
Lead Material
Soldering
Characteristics
Insulating Material
Device Labeling
.20-.40A: Tin-plated Copper clad steel
.50-3.75A: 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.
Environmental Specifications
Operating/Storage
Temperature
Maximum Device Surface
Temperature in Tripped State
Passive Aging
Humidity Aging
Thermal Shock
Solvent Resistance MIL–STD–202, Method 215F
Moisture Resistance Level Level 1, J–STD–020C
-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
60R Series
© 2010 Littelfuse, Inc
Specifications are subject to change without notice.
Please refer to www.littelfuse.com/series/60R.html for current information.
85
Revised: July 12, 2010
60R Series
POLYFUSE® Resettable PTCs
Radial Leaded > 60R Series
Dimensions
A
E
B
Part Marking System
Single Sided Marking
Littelfuse
Trademark
60
050X
XXXX
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
60R010 0.29 7.4 0.50 12.7 0.20 5.1 0.30 7.6 0.12 3.1 0.02 0.51 Sn/CuFe
60R017 0.29 7.4 0.50 12.7 0.20 5.1 0.30 7.6 0.12 3.1 0.02 0.51 Sn/CuFe
60R020 0.29 7.4 0.46 11.7 0.20 5.1 0.30 7.6 0.12 3.1 0.02 0.51 Sn/CuFe
60R025 0.29 7.4 0.50 12.7 0.20 5.1 0.30 7.6 0.12 3.1 0.02 0.51 Sn/CuFe
60R030 0.29 7.4 0.50 12.7 0.20 5.1 0.30 7.6 0.12 3.1 0.02 0.51 Sn/CuFe
60R040 0.30 7.6 0.53 13.5 0.20 5.1 0.30 7.6 0.12 3.1 0.02 0.51 Sn/CuFe
60R050 0.31 7.9 0.54 13.7 0.20 5.1 0.30 7.6 0.12 3.1 0.02 0.51 Sn/Cu
60R065 0.37 9.4 0.57 14.5 0.20 5.1 0.30 7.6 0.12 3.1 0.02 0.51 Sn/Cu
60R075 0.40 10.2 0.59 15 0.20 5.1 0.30 7.6 0.12 3.1 0.02 0.51 Sn/Cu
60R090 0.44 11.2 0.62 15.8 0.20 5.1 0.30 7.6 0.12 3.1 0.02 0.51 Sn/Cu
60R110 0.51 13 0.72 18.2 0.20 5.1 0.30 7.6 0.12 3.1 0.03 0.81 Sn/Cu
60R135 0.53 13.58 0.78 19.8 0.20 5.1 0.30 7.6 0.12 3.1 0.03 0.81 Sn/Cu
60R160 0.60 15.36 0.85 21.6 0.20 5.1 0.30 7.6 0.12 3.1 0.03 0.81 Sn/Cu
60R185 0.66 16.76 0.91 23 0.20 5.1 0.30 7.6 0.12 3.1 0.03 0.81 Sn/Cu
60R250 0.78 19.93 1.03 26.2 0.40 10.2 0.30 7.6 0.12 3.1 0.03 0.81 Sn/Cu
60R300 0.91 23.11 1.15 29.3 0.40 10.2 0.30 7.6 0.12 3.1 0.03 0.81 Sn/Cu
60R375 1.04 26.3 1.22 31.1 0.40 10.2 0.30 7.6 0.12 3.1 0.03 0.81 Sn/Cu
Material
60R Series
86
Revised: July 12, 2010
© 2010 Littelfuse, Inc.
Please refer to www.littelfuse.com/series/60R.html for current information.
Specifications are subject to change without notice.
Part Ordering Number System
60 R 250 X M R
PACKAGING STYLE
SERIES
Packaging
I
HOLD
R: RADIAL
VOLTAGE RATING (VDC)
QUANTITY CODE: F=200 H=100 M=1000 P=2000 U=500
TYPE: X (60VDC)
CURRENT CODE (SEE TABLE BELOW)
POLYFUSE® Resettable PTCs
Radial Leaded > 60R Series
BLANK: Bulk
R: Tape & Ammo
Part Number
60R010
60R017
60R020
60R025
60R030
60R040
60R050
60R065
60R075
60R090
60R110
60R135
60R160
60R185
60R250
Ordering
Number
60R010XU
60R010XPR Tape and Ammo 2000 PR
60R017XU
60R017XPR Tape and Ammo 2000 PR
60R020XU
60R020XPR Tape and Ammo 2000 PR
60R025XU
60R025XPR Tape and Ammo 2000 PR
60R030XU
60R030XPR Tape and Ammo 2000 PR
60R040XU
60R040XPR Tape and Ammo 2000 PR
60R050XU
60R050XPR Tape and Ammo 2000 PR
60R065XU
60R065XPR Tape and Ammo 2000 PR
60R075XU
60R075XPR Tape and Ammo 2000 PR
60R090XU
60R090XPR Tape and Ammo 2000 PR
60R110XU
60R110XMR Tape and Ammo 1000 MR
60R135XF
60R135XMR Tape and Ammo 1000 MR
60R160XF
60R160XMR Tape and Ammo 1000 MR
60R185XF
60R185XMR Tape and Ammo 1000 MR
60R250XF
60R250XMR Tape and Ammo 1000 MR
I
hold
I
Code Packaging Option Quantity
(A)
hold
0.10 010
0.20 020
0.20 020
0.25 025
0.30 030
0.40 040
0.50 050
0.65 065
0.75 075
0.90 090
1. 10 11 0
1.35 135
1.60 160
1.85 185
2.50 250
Quantity & Packaging
Bulk 500 U
Bulk 500 U
Bulk 500 U
Bulk 500 U
Bulk 500 U
Bulk 500 U
Bulk 500 U
Bulk 500 U
Bulk 500 U
Bulk 500 U
Bulk 500 U
Bulk 200 F
Bulk 200 F
Bulk 200 F
Bulk 200 F
60R300 60R300XF 3.00 300 Bulk 200 F
60R375 60R375XH 3.75 375 Bulk 100 H
© 2010 Littelfuse, Inc
Specifications are subject to change without notice.
Please refer to www.littelfuse.com/series/60R.html for current information.
87
Revised: July 12, 2010
Codes
60R Series
60R Series
POLYFUSE® Resettable PTCs
Radial Leaded > 60R Series
Tape and Ammo Specifications
Devices taped using EIA468-B/IE286-2 standards. See table below and Figure 1 for details.
Dimension EIA Mark
Carrier tape width WW 18 -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) HH 18.5 -/+ 3.0
Abscissa to plane(kinked lead) H
Abscissa to top 60R010-60R090 H
Abscissa to top 60R110-60R300 H
Overall width without lead protrusion:60R010-60R090 C
0
1
1
1
Overall width without lead protrusion:60R110-60R300 57
Overall width with lead protrusion:60R010-60R090 C2 43.2 max.
Overall width with lead protrusion:60R110-60R300 58
Lead protrusion L
1
Protrusion of cut out LL 11 max.
Protrusion beyond hold-down tape l
Sprocket hole pitch:60R010-60R090 P
Sprocket hole pitch:60R110-60R300 P
2
0
0
Pitch tolerance 20 consecutive. -/+ 1
Device pitch:60R010-60R090 12.7
Device pitch:60R110-60R300 25.4
Tape thickness tt 0.9 max.
Tape thickness with splice t
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*:60R010-60R090 P
1
Ordinate to adjacent component lead*:60R110-60R300 7.62 -/+ 0.7
Lead spacing:60R010-60R185 FF 5.08 -/+ 0.8
Lead spacing:60R250-60R300 FF 10.18 -/+ 0.8
IEC Mark
W
0
W
2
W
1
D
0
H
0
H
1
l
1
l
2
P
0
P
0
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.
47.5 max.
42.5 max.
1.0 max.
Not specified
12.7 -/+ 0.3
25.4 -/+ 0.5
2.0 max.
3.81 -/+ 0.7
*Differs from EIA Specification
60R Series
88
Revised: July 12, 2010
© 2010 Littelfuse, Inc.
Please refer to www.littelfuse.com/series/60R.html for current information.
Specifications are subject to change without notice.
Tape and Ammo Diagram
POLYFUSE® Resettable PTCs
Radial Leaded > 60R Series
Δh
H
Δh
1
Figure 1
Δh
Δp
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
60R Series
© 2010 Littelfuse, Inc
Specifications are subject to change without notice.
Please refer to www.littelfuse.com/series/60R.html for current information.
89
Revised: July 12, 2010
60R Series
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