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POLY-FUSE® Resettable PTCs
Radial Leaded > 60R Series
60R Series
RoHS
*
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.
Agency Approvals
AGENCY
AGENCY FILE
NUMBER
E183209
R50119318
60R010X & 60R017X
E183209
N/A
Features
• Cured, flame retardant
epoxy polymer insulating
material meets UL 94V-0
requirements
Applications
• USB hubs, ports
and peripherals
• IEEE1394 ports
• Computers & peripherals
• Motor protection
• Fast time–to-trip
• RoHS compliant, Lead-
Free and Halogen-Free*
• General electronics
• Automotive applications
• Industrial controls
• Transformers
Electrical Characteristics
Part Number
60R010X
60R017X
60R020X
60R025X
60R030X
60R040X
60R050X
60R065X
60R075X
60R090X
60R110X
60R135X
60R160X
60R185X
60R250X
60R300X
I hold
(A)
0.10
0.17
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
I trip
(A)
0.20
0.34
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
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
tPypd.
(W)
0.38
Maximum Time
To Trip
Current Time
(A) (Sec.)
0.50 4.00
Resistance
R min
(Ω)
2.500
R 1max
(Ω)
7.500
0.48 0.85 3.00 3.300 8.000
0.41 1.00 2.20 1.830 4.400
0.45 1.25 2.50 1.250 3.000
0.49 1.50 3.00 0.880 2.100
0.56 2.00 3.80 0.550 1.290
0.77 2.50 4.00 0.500 1.170
0.88 3.25 5.30 0.310 0.720
0.92 3.75 6.30 0.250 0.600
0.99 4.50
7.20 0.200 0.470
1.50 5.50 8.20 0.150 0.380
1.70 6.75 9.60 0.120 0.300
1.90 8.00 11.40 0.090 0.220
2.10 9.25 12.60 0.080 0.190
2.50 12.50 15.60 0.050 0.130
2.80 15.00 19.80 0.040 0.100
Agency
Approvals
X
X
XX
XX
XX
XX
XX
XX
XX
XX
XX
XX
XX
XX
XX
XX
60R375X
3.75 7.50
60
40
3.20
18.75 24.00 0.030 0.080
X
X
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 (Vmax)
Pd = 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.
* 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.
© 2017 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: 03/22/17

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POLY-FUSE® Resettable PTCs
Radial Leaded > 60R Series
Temperature Rerating
Part Number
60R010X
60R017X
60R020X
60R025X
60R030X
60R040X
60R050X
60R065X
60R075X
60R090X
60R110X
60R135X
60R160X
60R185X
60R250X
60R300X
60R375X
-40°C
0.16
0.26
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
Average Time Current Curves
-20°C
0.14
0.23
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
100
10
1
0.1
0°C
0.12
0.20
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
Ambient OperationTemperature
20°C
40°C
50°C
Hold Current (A)
0.10 0.08 0.07
0.17 0.14 0.12
0.20 0.16 0.14
0.25 0.20 0.18
0.30 0.24 0.22
0.40 0.32 0.29
0.50 0.41 0.36
0.65 0.53 0.47
0.75 0.61 0.54
0.90 0.73 0.65
1.10 0.89 0.79
1.35 1.09 0.97
1.60 1.30 1.15
1.85 1.50 1.33
2.50 2.03 1.80
3.00 2.43 2.16
3.75 3.04 2.70
60°C
0.06
0.11
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
Temperature Rerating Curve
70°C
0.05
0.09
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
85°C
0.04
0.07
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
60R
170%
150%
130%
100
72R
110%
90%
70%
50%
10
30%
10%
-40 -30 -120 -10 0 10 20 30 40 50 60 70 80
Temperature (°C)
Note:
Typical Temperature rerating curve, refer to table for derating dat
0.1
0.01
0.1
1 10
Current in Amperes
100
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.
0.01
0.1
1 10
Current in Amperes
100
© 2017 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: 03/22/17

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POLY-FUSE® Resettable PTCs
Radial Leaded > 60R Series
Soldering Parameters - Wave Soldering
Pre-Heating Zone
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 Pre-Heating time
Cooling by natural convection in air.
Max. ramping down rate should not
exceed 6°C/Sec.
Physical Specifications
Lead Material
.20-.40A: Tin-plated Copper clad steel
.50-3.75A: Tin-plated Copper
Soldering
Characteristics
Solderability per MIL–STD–202,
Method 208
Insulating Material
Cured, flame retardant epoxy polymer
meets UL94V-0 requirements.
Device Labeling
Marked with ‘LF’, voltage, current rating,
and date code.
Additional Information
Datasheet
Resources
Samples
260 Soldering
220
Preheating
190
160
Cooling
0
60 min.
5 max.
Time(s)
Environmental Specifications
Operating/Storage
Temperature
Maximum Device Surface
Temperature in Tripped State
Passive Aging
Humidity Aging
Thermal Shock
-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
Solvent Resistance
MIL–STD–202, Method 215
Moisture Resistance Level
Level 1, J–STD–020
© 2017 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: 03/22/17

No Preview Available !

POLY-FUSE® Resettable PTCs
Radial Leaded > 60R Series
Dimensions
A
E
B
Part Marking System
Littelfuse
Trademark
Single Sided Marking
60
050X
XXXX
Voltage Rating
Current Rating
Date Code
(Contact Littelfuse
for additional
information)
Littelfuse
Trademark
Double Sided M
0.20A to 0.4
Top Side
60
025X
D
CF
Part
Number
60R010X
60R017X
60R020X
60R025X
60R030X
60R040X
60R050X
60R065X
60R075X
60R090X
60R110X
60R135X
60R160X
60R185X
60R250X
60R300X
60R375X
A
Inches mm
Max.
0.29
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
Max.
7.4
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 mm
Max.
0.50
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
Max.
12.7
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 mm
Typ. Typ.
0.20 5.1
0.20 5.1
0.20 5.1
0.20 5.1
0.20 5.1
0.20 5.1
0.20 5.1
0.20 5.1
0.20 5.1
0.20 5.1
0.20 5.1
0.20 5.1
0.20 5.1
0.20 5.1
0.40 10.2
0.40 10.2
0.40 10.2
DE
Inches mm Inches mm
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
0.30
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
7.6
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
0.12
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
3.1
F Physical CharacteristicsLTriattdeelfmusaerk
Inches mm Lead (dia)
Material
Typ. Typ. Inches mm
0.047
0.047
0.047
0.047
0.047
0.047
0.047
0.047
0.047
0.047
0.055
0.055
0.055
0.055
0.055
1.2
1.2
1.2
1.2
1.2
1.2
1.2
1.2
1.2
1.2
1.4
1.4
1.4
1.4
1.4
0.02 0.51 Sn/CuFe
0.02 0.51 Sn/CuFe
0.02 0.51 Sn/CuFe
0.02 0.51 Sn/CuFe
0.02 0.51 Sn/CuFe
0.02 0.51 Sn/CuFe
0.02 0.51 Sn/Cu
0.02 0.51 Sn/Cu
0.02 0.51 Sn/Cu
0.02 0.51 Sn/Cu
0.03 0.81 Sn/Cu
0.03 0.81 Sn/Cu
0.03 0.81 Sn/Cu
0.03 0.81 Sn/Cu
0.03 0.81 Sn/Cu
0.055 1.4 0.03 0.81 Sn/Cu
0.055 1.4 0.03 0.81 Sn/Cu
Bottom Si
60
XXXX
© 2017 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: 03/22/17

No Preview Available !

POLY-FUSE® Resettable PTCs
Radial Leaded > 60R Series
Part Ordering Number System
60 R 250 X M R
SERIES
PACKAGING STYLE
BLANK: Bulk
R: Tape & Ammo
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
Ordering
Number
I hold
(A)
60R010X
60R010XU
60R010XPR
0.10
60R017X
60R017XU
60R017XPR
0.20
60R020X
60R020XU
60R020XPR
0.20
60R025X
60R025XU
60R025XPR
0.25
60R030X
60R030XU
60R030XPR
0.30
60R040X
60R040XU
60R040XPR
0.40
60R050X
60R050XU
60R050XPR
0.50
60R065X
60R065XU
60R065XPR
0.65
60R075X
60R075XU
60R075XPR
0.75
60R090X
60R090XU
60R090XPR
0.90
60R110X
60R110XU
60R110XMR
1.10
60R135X
60R135XF
60R135XMR
1.35
60R160X
60R160XF
60R160XMR
1.60
60R185X
60R185XF
60R185XMR
1.85
60R250X
60R250XF
60R250XMR
2.50
© 20167 L0itRte3lfu0s0e,XInc.
60R300XF
3.00
SRpeevicsief6idc0:a0tR3io/32n2s7/1a57reXsubject to6c0haRng3e7w5itXhoHut notice. 3.75
I hold Code
010
020
020
025
030
040
050
065
075
090
110
135
160
185
250
300
375
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
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
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
PR
U
MR
F
MR
F
MR
F
MR
F
MR
F
H