POLYFUSE
®
Resettable PTCs
Radial Leaded > 60R Series
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
lead–free
epoxy polymer insulating
material meets UL 94V-0
requirements
Agency Approvals
AGENCY
AGENCY FILE NUMBER
E183209
R50119318
Applications
and peripherals
Electrical Characteristics
Maximum Time
To Trip
Current
(A)
0.50
1.00
1.25
1.50
2.00
2.50
3.25
3.75
4.50
5.50
6.75
8.00
9.25
12.50
15.00
18.75
Time
(Sec.)
4.00
2.20
2.50
3.00
3.80
4.00
5.30
6.30
7
.20
8.20
9.60
11.40
12.60
15.60
19.80
24.00
Resistance
R
min
(Ω)
2.500
1.830
1.250
0.880
0.550
0.500
0.310
0.250
0.200
0.150
0.120
0.090
0.080
0.050
0.040
0.030
R
1max
(Ω)
7
.500
4.400
3.000
2.100
1.290
1.170
0.720
0.600
0.470
0.380
0.300
0.220
0.190
0.130
0.100
0.080
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
X
X
X
X
X
X
Part Number
I
hold
(A)
0.10
0.20
0.25
0.30
0.40
0.50
0.65
0.75
0.90
1.10
1.35
1.60
1.85
2.50
3.00
3.75
I
trip
(A)
0.20
0.40
0.50
0.60
0.80
1.00
1.30
1.50
1.80
2.20
2.70
3.20
3.70
5.00
6.00
7
.50
V
max
(Vdc)
60
60
60
60
60
60
60
60
60
60
60
60
60
60
60
60
I
max
(A)
40
40
40
40
40
40
40
40
40
40
40
40
40
40
40
40
P
d
max.
(W)
0.38
0.41
0.45
0.49
0.56
0.77
0.88
0.92
0.99
1.50
1.70
1.90
2.10
2.50
2.80
3.20
Agency
Approvals
60R010
60R020
60R025
60R030
60R040
60R050
60R065
60R075
60R090
60R110
60R135
60R160
60R185
60R250
60R300
60R375
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.
V
max
= Maximum voltage device can withstand without damage at rated current (I max)
I
max
= Maximum fault current device can withstand without damage at rated voltage (V
max
)
P
d
= Power dissipated from device when in the tripped state at 20°C still air.
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 or reflow
soldering of 260°C for 20 sec.
Caution:
Operation beyond the specified rating may result in damage and possible arcing
and flame.
©2008 Littelfuse, Inc.
Specifications are subject to change without notice.
Please refer to www.littelfuse.com/series/60R.html for current information.
Revised: October 24, 2008
60R Series
60R Series
POLYFUSE
®
Resettable PTCs
Radial Leaded > 60R Series
Temperature Rerating
Ambient Operation Temperature
-40°C
Part Number
60R010
60R020
60R025
60R030
60R040
60R050
60R065
60R075
60R090
60R110
60R135
60R160
60R185
60R250
60R300
60R375
0.16
0.31
0.39
0.47
0.62
0.78
1.01
1.16
1.40
1.71
2.09
2.48
2.87
3.88
4.65
5.81
0.14
0.27
0.34
0.41
0.54
0.68
0.88
1.02
1.22
1.50
1.84
2.18
2.52
3.40
4.08
5.10
0.12
0.24
0.30
0.36
0.48
0.60
0.77
0.89
1.07
1.31
1.61
1.90
2.20
2.98
3.57
4.46
0.10
0.20
0.25
0.30
0.40
0.50
0.65
0.75
0.90
1.10
1.35
1.60
1.85
2.50
3.00
3.75
-20°C
0°C
23°C
40°C
Hold Current (A)
0.08
0.16
0.20
0.24
0.32
0.41
0.53
0.61
0.73
0.89
1.09
1.30
1.50
2.03
2.43
3.04
0.07
0.14
0.18
0.22
0.29
0.36
0.47
0.54
0.65
0.79
0.97
1.15
1.33
1.80
2.16
2.70
0.06
0.13
0.16
0.19
0.25
0.32
0.41
0.47
0.57
0.69
0.85
1.01
1.17
1.58
1.89
2.36
0.05
0.11
0.14
0.16
0.22
0.27
0.35
0.41
0.49
0.59
0.73
0.86
1.00
1.35
1.62
2.03
0.04
0.08
0.10
0.12
0.16
0.20
0.26
0.30
0.36
0.44
0.54
0.64
0.74
1.00
1.20
1.50
50°C
60°C
70°C
85°C
Average Time Current Curves
0.200A
0.250A
0.300A
0.400A
0.500A
0.650A
0.750A
0.900A
1.10A
1.35A
1.60A
1.85A
2.50A
3.00A
3.75A
Temperature Rerating Curve
170%
Percentage of Rated Current
100000
60R
150%
130%
110%
90%
70%
50%
30%
10%
10000
1000
Time in Seconds
100
10
-40 -30 -20
-10
0
10
20 30
40
Temperature (°C)
50
60
70
80
1
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.
60R Series
Revised: October 24, 2008
©2008 Littelfuse, Inc.
Specifications are subject to change without notice.
Please refer to www.littelfuse.com/series/60R.html for current information.
POLYFUSE
®
Resettable PTCs
Radial Leaded > 60R Series
Soldering Parameters - Wave Soldering
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
Cooling by natural
convection in air.
0
60 min.
5 max.
Time(s)
Pre-Heating
Zone
260
220
Temperature (°C)
Soldering
Cooling
Preheating
190
160
Soldering
Zone
Cooling
Zone
Physical Specifications
.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
Lead Material
Soldering
Characteristics
Insulating Material
Device Labeling
-40°C to +85°C
125°C
Humidity Aging
+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
Level 2, J–STD–020C
Thermal Shock
Solvent Resistance
Moisture Resistance Level
©2008 Littelfuse, Inc.
Specifications are subject to change without notice.
Please refer to www.littelfuse.com/series/60R.html for current information.
Revised: October 24, 2008
60R Series
60R Series
+85°C, 1000 hours
-/+ 5% typical resistance
change
POLYFUSE
®
Resettable PTCs
Radial Leaded > 60R Series
Dimensions
A
E
Part Marking System
Single Sided Marking
Littelfuse
Trademark
050X
XXXX
60
Voltage Rating
Current Rating
Date Code
(Contact Littelfuse
for additional
information)
B
D
C
A
Part Number
Inches
Max.
60R010
60R020
60R025
60R030
60R040
60R050
60R065
60R075
60R090
60R110
60R135
60R160
60R185
60R250
60R300
60R375
0.29
0.29
0.29
0.29
0.30
0.31
0.37
0.40
0.44
0.51
0.53
0.60
0.66
0.78
0.91
1.04
mm
Max.
7
.4
7
.4
7
.4
7
.4
7
.6
7
.9
9.4
10.2
11.2
13
13.58
15.36
16.76
19.93
23.11
26.3
B
Inches
Max.
0.50
0.46
0.50
0.50
0.53
0.54
0.57
0.59
0.62
0.72
0.78
0.85
0.91
1.03
1.15
1.22
mm
Max.
12.7
11.7
12.7
12.7
13.5
13.7
14.5
15
15.8
18.2
19.8
21.6
23
26.2
29.3
31.1
C
Inches
Typ.
0.20
0.20
0.20
0.20
0.20
0.20
0.20
0.20
0.20
0.20
0.20
0.20
0.20
0.40
0.40
0.40
mm
Typ.
5.1
5.1
5.1
5.1
5.1
5.1
5.1
5.1
5.1
5.1
5.1
5.1
5.1
10.2
10.2
10.2
D
Inches
Min.
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
mm
Min.
7
.6
7
.6
7
.6
7
.6
7
.6
7
.6
7
.6
7
.6
7
.6
7
.6
7
.6
7
.6
7
.6
7
.6
7
.6
7
.6
E
Inches
Max.
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
0.12
0.12
0.12
mm
Max.
3.1
3.1
3.1
3.1
3.1
3.1
3.1
3.1
3.1
3.1
3.1
3.1
3.1
3.1
3.1
3.1
Physical Characteristics
Lead (dia)
Inches
0.02
0.02
0.02
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
mm
0.51
0.51
0.51
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
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
Sn/Cu
Sn/Cu
Sn/Cu
60R Series
Revised: October 24, 2008
©2008 Littelfuse, Inc.
Specifications are subject to change without notice.
Please refer to www.littelfuse.com/series/60R.html for current information.
POLYFUSE
®
Resettable PTCs
Radial Leaded > 60R Series
Part Ordering Number System
60 R 250
X MR
PACKAGING STYLE
BLANK:
Bulk
R:
Tape & Ammo
SERIES
QUANTITY CODE:
F=200 H=100 M=1000 P=2000 U=500
TYPE: X (60VDC)
I
HOLD
CURRENT CODE (SEE TABLE BELOW)
R: RADIAL
VOLTAGE RATING (VDC)
Packaging
Part Number
60R010
Ordering
Number
60R010XU
60R010XPR
60R020XU
60R020XPR
60R025XU
60R025XPR
60R030XU
60R030XPR
60R040XU
60R040XPR
60R050XU
60R050XPR
60R065XU
60R065XPR
60R075XU
60R075XPR
60R090XU
60R090XPR
60R110XU
60R110XMR
60R135XF
60R135XMR
60R160XF
60R160XMR
60R185XF
60R185XMR
60R250XF
60R250XMR
60R300XF
60R375XH
I
hold
(A)
0.10
I
hold
Code
010
Packaging Option
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
Bulk
Tape and Ammo
Bulk
Tape and Ammo
Bulk
Tape and Ammo
Bulk
Tape and Ammo
Bulk
Bulk
Quantity
500
2000
500
2000
500
2000
500
2000
500
2000
500
2000
500
2000
500
2000
500
2000
500
1000
200
1000
200
1000
200
1000
200
1000
200
100
Quantity & Packaging
Codes
U
PR
U
PR
U
PR
U
PR
U
PR
U
PR
U
PR
U
PR
U
PR
U
MR
F
MR
F
MR
F
MR
F
MR
F
H
60R020
0.20
020
60R025
0.25
025
60R030
0.30
030
60R040
0.40
040
60R050
0.50
050
60R065
0.65
065
60R075
0.75
075
60R090
0.90
090
60R110
1.10
110
60R135
1.35
135
60R160
1.60
160
60R185
1.85
185
60R250
60R300
60R375
2.50
3.00
3.75
250
300
375
©2008 Littelfuse, Inc.
Specifications are subject to change without notice.
Please refer to www.littelfuse.com/series/60R.html for current information.
Revised: October 24, 2008
60R Series
60R Series
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