POLYFUSE
®
Resettable PTCs
Radial Leaded
30R Series
Description
• he30Rseriesradialleadeddeviceisdesignedto
T
provideovercurrentprotectionforlowvoltage(≤30V)
applicationswherespaceisnotaconcernandresettable
protectionispreferred.
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
•Computers&peripherals
•Motorprotection
•Generalelectronics
•Automotiveapplications
Electrical Characteristics
I
hold
(A)
0.90
1.10
1.35
1.60
1.85
2.50
3.00
4.00
5.00
6.00
7.00
8.00
9.00
I
trip
(A)
1.80
2.20
2.70
3.20
3.70
5.00
6.00
8.00
10.00
12.00
14.00
16.00
18.00
V
max
(Vdc)
30
30
30
30
30
30
30
30
30
30
30
30
30
I
max
(A)
40
40
40
40
40
40
40
40
40
40
40
40
40
P
d
max.
(W)
0.6
0.7
0.8
0.9
1.0
1.2
2.0
2.5
3.0
3.5
3.8
4.0
4.2
Maximum Time
To Trip
Current
(A)
4.50
5.50
6.75
8.00
9.25
12.50
15.00
20.00
25.00
30.00
35.00
40.00
40.00
Time
(Sec.)
5.90
6.60
7.30
8.00
8.70
10.30
10.80
12.70
14.50
16.00
17.50
18.80
20.00
Resistance
R
min
(Ω)
0.070
0.050
0.040
0.030
0.030
0.020
0.020
0.010
0.010
0.005
0.005
0.005
0.005
R
1max
(Ω)
0.220
0.170
0.130
0.110
0.090
0.070
0.080
0.050
0.050
0.040
0.030
0.020
0.020
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
30R090
30R110
30R135
30R160
30R185
30R250
30R300
30R400
30R500
30R600
30R700
30R800
30R900
I
hold
=Holdcurrent:maximumcurrentdevicewillpasswithouttrippingin23°Cstillair.
I
trip
=Tripcurrent:minimumcurrentatwhichthedevicewilltripin23°Cstillair.
V
max
=Maximumvoltagedevicecanwithstandwithoutdamageatratedcurrent(I
max
)
I
max
=Maximumfaultcurrentdevicecanwithstandwithoutdamageatratedvoltage(V
max
)
P
d
=Powerdissipatedfromdevicewheninthetrippedstateat23°Cstillair.
R
min
=Minimumresistanceofdeviceininitial(un-soldered)state.
M
R
1max
= aximumresistanceofdeviceat23°Cmeasuredonehouraftertripping.
Caution:Operationbeyondthespecifiedratingmayresultindamageandpossiblearcing
andflame.
www.littelfuse.com
©2006 Littelfuse
Electronics Designers Guide
0R Series
Specifications are subject to change without notice.
POLYFUSE
®
Resettable PTCs
Radial Leaded
Temperature Rerating
Ambient Operation Temperature
-40°C
Part Number
30R090
30R110
30R135
30R160
30R185
30R250
30R300
30R400
30R500
30R600
30R700
30R800
30R900
1.31
1.60
1.96
2.32
2.68
3.63
4.35
5.80
7.25
8.70
10.15
11.60
13.05
30R Series
-20°C
0°C
23°C
40°C
Hold Current (A)
50°C
60°C
70°C
85°C
1.17
1.43
1.76
2.08
2.41
3.25
3.90
5.20
6.50
7.80
9.10
10.40
11.70
1.04
1.27
1.55
1.84
2.13
2.88
3.45
4.60
5.75
6.90
8.05
9.20
10.35
0.90
1.10
1.35
1.60
1.85
2.50
3.00
4.00
5.00
6.00
7.00
8.00
9.00
0.75
0.91
1.12
1.33
1.54
2.08
2.49
3.32
4.15
4.98
5.81
6.64
7.47
0.69
0.85
1.04
1.23
1.42
1.93
2.31
3.08
3.85
4.62
5.39
6.16
6.93
0.61
0.75
0.92
1.09
1.26
1.70
2.04
2.72
3.40
4.08
4.76
5.44
6.12
0.55
0.67
0.82
0.98
1.13
1.53
1.83
2.44
3.05
3.66
4.27
4.88
5.49
0.47
0.57
0.70
0.83
0.96
1.30
1.56
2.08
2.60
3.12
3.64
4.16
4.68
Average Time Current Curves
0.900A
1.10A
1.35A
1.60A
1.85A
2.50A
3.00A
4.00A
5.00A
6.00A
7.00A
8.00A
9.00A
Temperature Rerating Curve
170%
150%
Percentage of Rated Current
130%
110%
90%
70%
50%
30%
10%
-40 -30 -20
-10
0
10
20 30
40
Temperature (°C)
50
60
70
80
100000
10000
1000
TIME IN SECONDS
100
10
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.
0R Series
Specifications are subject to change without notice.
Electronics Designers Guide
www.littelfuse.com
©2006 Littelfuse
POLYFUSE
®
Resettable PTCs
Radial Leaded
Soldering Parameters - Wave Soldering
Refertothecondition
recommendedbythe
fluxmanufacturer.
Temperature (°C)
Pre-Heating Zone
260
220
Soldering
Cooling
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
0.90-2.50A:Tin-platedcoppercladsteel
3.00-9.00A: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
Nochange
Lead Material
Soldering
Characteristics
Insulating Material
Device Labeling
Thermal Shock
Solvent Resistance
www.littelfuse.com
©2006 Littelfuse
Electronics Designers Guide
0R Series
Specifications are subject to change without notice.
POLYFUSE
®
Resettable PTCs
Radial Leaded
Dimensions
A
Littelfuse
Trademark
E
110U
XXXX
30
Voltage Rating
Current Rating
Date Code
(Contact Littelfuse
for additional
information)
MARKING
B
D
C
A
Inches mm
Max.
Max.
0.29
7.40
0.29
0.35
0.35
0.40
0.45
0.45
0.55
0.55
0.65
0.75
0.85
0.95
7.40
8.90
8.90
10.20
11.40
11.40
14.00
14.00
16.50
19.10
21.60
24.10
B
Inches mm
Max.
Max.
0.48
12.20
0.56
0.53
0.60
0.62
0.72
0.76
0.87
1.01
1.06
1.13
1.22
1.24
14.20
13.50
15.20
15.70
18.30
19.20
22.00
25.60
26.80
28.60
31.10
31.60
C
Inches mm
Typ.
Typ.
0.20
5.10
0.20
0.20
0.20
0.20
0.20
0.20
0.20
0.40
0.40
0.40
0.40
0.40
5.10
5.10
5.10
5.10
5.10
5.10
5.10
10.20
10.20
10.20
10.20
10.20
D
Inches mm
Min.
Min.
0.30
7.60
0.30
0.30
0.30
0.30
0.30
0.30
0.30
0.30
0.30
0.30
0.30
0.30
7.60
7.60
7.60
7.60
7.60
7.60
7.60
7.60
7.60
7.60
7.60
7.60
E
Inches mm
Max.
Max.
0.12
3.00
0.12
0.12
0.12
0.12
0.12
0.12
0.12
0.12
0.12
0.12
0.12
0.12
3.00
3.00
3.00
3.00
3.00
3.00
3.00
3.00
3.00
3.00
3.00
3.00
Physical Characteristics
Lead (dia)
Material
Inches mm
0.02
0.51
Sn/CuFe
0.02
0.02
0.02
0.02
0.02
0.02
0.03
0.03
0.03
0.03
0.03
0.03
0.51
0.51
0.51
0.51
0.51
0.51
0.81
0.81
0.81
0.81
0.81
0.81
Sn/CuFe
Sn/CuFe
Sn/CuFe
Sn/CuFe
Sn/CuFe
Sn/Cu
Sn/Cu
Sn/Cu
Sn/Cu
Sn/Cu
Sn/Cu
Sn/Cu
Part Number
30R090
30R110
30R135
30R160
30R185
30R250
30R300
30R400
30R500
30R600
30R700
30R800
30R900
Part Marking System
Littelfuse
Trademark
A
E
110U
XXXX
30
Voltage Rating
Current Rating
Date Code
(Contact Littelfuse
for additional
information)
MARKING
B
D
C
0R Series
Specifications are subject to change without notice.
Electronics Designers Guide
www.littelfuse.com
©2006 Littelfuse
POLYFUSE
®
Resettable PTCs
Radial Leaded
Part Numbering System
30 R 250
U PR
PACKAGING STYLE
BLANK:
Bulk
R:
Tape & Ammo
QUANTITY CODE:
F=200 H=100 M=1000 P=2000 U=500
TYPE: U (30VDC)
I
HOLD
CURRENT CODE (SEE TABLE BELOW)
SERIES
R: RADIAL
VOLTAGE RATING (VDC)
Packaging
I
hold
(A)
0.90
1.10
1.35
1.60
1.85
2.50
3.00
4.00
5.00
6.00
7.00
8.00
9.00
I
hold
Code
090
110
135
160
185
250
300
400
500
600
700
800
900
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
Bulk
Quantity
500
2000
500
2000
500
2000
500
2000
500
2000
500
2000
500
2000
200
1000
200
1000
200
1000
200
1000
100
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
www.littelfuse.com
©2006 Littelfuse
5
Electronics Designers Guide
0R Series
Specifications are subject to change without notice.
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