POLYFUSE
®
Resettable PTCs
Radial Leaded
60R Series
Description
• he60Rseriesradialleadeddeviceisdesignedto
T
provideovercurrentprotectionfor(≤60V)applications
wherespaceisnotaconcernandresettableprotection
ispreferred.
Features
• oHScompliantand
R
lead-free
•Fasttime-to-trip
Agency Approvals
AGENCY
AGENCY FILE NUMBER
E183209
R50082521
• ured,flameretardant
C
epoxypolymerinsulating
materialmeetsUL94V-0
requirements
Applications
• SBhubs,ports
U
andperipherals
•IEEE1394ports
•Computers&peripherals
•Motorprotection
•Generalelectronics
•Automotiveapplications
•Industrialcontrols
•Transformers
Electrical Characteristics
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
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
Agency
Approvals
Part Number
60R010
60R020
60R025
60R030
60R040
60R050
60R065
60R075
60R090
60R110
60R135
60R160
60R185
60R250
60R300
60R375
I
hold
=Holdcurrent:maximumcurrentdevicewillpasswithouttrippingin20°Cstillair.
I
trip
=Tripcurrent:minimumcurrentatwhichthedevicewilltripin20°Cstillair.
V
max
=Maximumvoltagedevicecanwithstandwithoutdamageatratedcurrent(Imax)
I
max
=Maximumfaultcurrentdevicecanwithstandwithoutdamageatratedvoltage(V
max
)
P
d
=Powerdissipatedfromdevicewheninthetrippedstateat20°Cstillair.
R
min
=Minimumresistanceofdeviceininitial(un-soldered)state.
R
typ
=Typicalresistanceofdeviceininitial(un-soldered)state.
M
R
1max
= aximumresistanceofdeviceat20°Cmeasuredonehouraftertrippingorreflow
solderingof260°Cfor20sec.
Caution:Operationbeyondthespecifiedratingmayresultindamageandpossiblearcing
andflame.
0R Series
Specifications are subject to change without notice.
Electronics Designers Guide
www.littelfuse.com
©2006 Littelfuse
POLYFUSE
®
Resettable PTCs
Radial Leaded
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
60R Series
-20°C
0°C
23°C
40°C
Hold Current (A)
50°C
60°C
70°C
85°C
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
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
Average Time Current Curves
0.250A
0.300A
0.400A
0.500A
0.200A
0.650A
0.750A
0.900A
1.10A
1.35A
1.60A
1.85A
2.50A
3.00A
3.75A
Temperature Rerating Curve
100000
170%
150%
10000
Percentage of Rated Current
130%
110%
90%
70%
50%
30%
1000
TIME IN SECONDS
100
10
10%
-40 -30 -20
-10
0
10
20 30
40
Temperature (°C)
50
60
70
80
1
0.100
0.010
0.001
0.20
1
10
100
1000
CURRENT IN AMPERES
Specifications are subject to change without notice.
Note: 1.00 means the number one with two decimal places.
AKL V3.9 06.05.16
Theaveragetimecurrentcurvesandtemperaturereratingcurveperformanceisaffected
byanumberorvariables,andthesecurvesprovidedasguidanceonly.Customermust
verifytheperformanceintheirapplication.
www.littelfuse.com
©2006 Littelfuse
Electronics Designers Guide
0R Series
Specifications are subject to change without notice.
POLYFUSE
®
Resettable PTCs
Radial Leaded
Soldering Parameters - Wave Soldering
Refertothecondition
recommendedbythe
fluxmanufacturer.
Temperature (°C)
260
220
Soldering
Cooling
Pre-Heating Zone
Max.rampingrate
shouldnotexceed
4°C/Sec.
Max.soldertemperature
shouldnotexceed
260°C
Coolingbynatural
convectioninair.
190
160
Preheating
Soldering Zone
Cooling Zone
0
60 min.
5 max.
Time(s)
Physical Specifications
Lead Material
Soldering
Characteristics
Insulating Material
Device Labeling
.20-.40A:Tin-platedcoppercladsteel
.50-3.75A:Tin-platedcopper
SolderabilityperMIL-STD-202,
Method208E
Cured,flameretardantepoxypolymer
meetsUL94V-0requirements.
MarkedwithLF,voltage,currentrating,
anddatecode.
Environmental Specifications
Operating/Storage
Temperature
Maximum Device Surface
Temperature in Tripped State
Passive Aging
Humidity Aging
-40°Cto+85°C
125°C
+85°C,1000hours
±5%typicalresistancechange
+85°C,85%R.H.1000hours
±5%typicalresistancechange
+85°Cto-40°C10times
±5%typicalresistancechange
MIL-STD-202,Method215F
Thermal Shock
Solvent Resistance
0R Series
Specifications are subject to change without notice.
8
Electronics Designers Guide
www.littelfuse.com
©2006 Littelfuse
POLYFUSE
®
Resettable PTCs
Radial Leaded
Dimensions
Sided Marking
Double
0.20A to 0.40A
Top Side
Littelfuse
Trademark
60
A
Voltage Rating
Current Rating
MARKING
E
age Rating
ent Rating
025X
Code
tact Littelfuse
dditional
mation)
B
D
Bottom Side
Littelfuse
Trademark
XXXX
60
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
Voltage Rating
Date Code
(Contact Littelfuse
for additional
information)
C
C
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
29.3
31.1
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
0.40
60
0.40
0.40
050X
XXXX
B
D
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
10.2
10.2
10.2
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
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
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
Littelfuse
Trademark
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
mm
0.51
0.51
0.51
0.51
0.51
0.51
0.51
0.51
0.51
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
Voltage
Sn/Cu
Rating
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
1.15
1.22
13.58
15.36
16.76
19.93
23.11
26.3
Single Sided Marking
0.50A
0.20
to 3.75A
5.1
Double Sided Marking
0.20A 0.40A
0.03
to
0.81
0.81
Top Side
025X
1.03
26.2
Littelfuse
Trademark
Voltage
0.30
Rating
7.6
0.30
Code
7.6
Date
Current Rating
60
0.81
0.81
0.81
Sn/Cu
Sn/Cu
Current Rating
MA
(Contact Littelfuse
0.30
7.6
for additional
information)
Part Marking System
Single Sided Marking Marking
Single Sided
0.50A to 3.75A to 3.75A
0.50A
Double Sided Marking Marking
Double Sided
0.20A to 0.40A to 0.40A
0.20A
Top Side Top Side
Littelfuse
Littelfuse
Trademark
Trademark
60
60
Bottom Side
Voltage Rating Rating
Voltage Littelfuse
Current Rating Rating
Current Trademark
XXXX
A
A
E
E
050X
XXXX
050X
XXXX
Voltage Rating Rating
Voltage
Current Rating Rating
Current
Date Code Code
Date
(Contact (Contact Littelfuse
Littelfuse
for additional
for additional
information)
information)
Littelfuse
Littelfuse
Trademark
Trademark
025X
60
025X
60
60
MARKING
MARKING
B
Voltage Rating
Date Code
(Contact Littelfuse
for additional
information)
B
D
Bottom Side
Bottom Side
Littelfuse
Littelfuse
Trademark
Trademark
XXXX
D
60
XXXX
60
Voltage Rating Rating
Voltage
Date Code Code
Date
(Contact (Contact Littelfuse
Littelfuse
for additional
for additional
information)
information)
C
C
www.littelfuse.com
©2006 Littelfuse
Electronics Designers Guide
0R Series
Specifications are subject to change without notice.
POLYFUSE
®
Resettable PTCs
Radial Leaded
Part Numbering System
60 R 250
X MR
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)
SERIES
R: RADIAL
VOLTAGE RATING (VDC)
Packaging
I
hold
(A)
0.10
0.20
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
hold
Code
010
020
030
040
050
065
075
090
110
135
160
185
250
300
375
Packaging
Option
Bulk
TapeandAmmo
Bulk
TapeandAmmo
Bulk
TapeandAmmo
Bulk
TapeandAmmo
Bulk
TapeandAmmo
Bulk
TapeandAmmo
Bulk
TapeandAmmo
Bulk
TapeandAmmo
Bulk
TapeandAmmo
Bulk
TapeandAmmo
Bulk
TapeandAmmo
Bulk
TapeandAmmo
Bulk
TapeandAmmo
Bulk
Bulk
Quantity
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&
PackagingCodes
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
0R Series
Specifications are subject to change without notice.
0
Electronics Designers Guide
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©2006 Littelfuse
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