POLYFUSE
®
Resettable PTCs
Radial Leaded > 30R Series
30R Series
Description
provide overcurrent protection for low voltage (≤30V)
applications where space is not a concern and resettable
protection is preferred.
Features
epoxy polymer insulating
material meets UL 94V-0
requirements
Agency Approvals
AGENCY
AGENCY FILE NUMBER
E183209
Free and Halogen-Free*
Applications
and peripherals
R50119318
Electrical Characteristics
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
Part Number
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
typ.
(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
Agency
Approvals
30R090
30R110
30R135
30R160
30R185
30R250
30R300
30R400
30R500
30R600
30R700
30R800
30R900
I
hold
= Hold current: maximum current device will pass without tripping in 23°C still air.
I
trip
= Trip current: minimum current at which the device will trip in 23°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 23°C still air.
R
min
= Minimum resistance of device in initial (un-soldered) state.
R
1max
= Maximum resistance of device at 23°C measured one hour after tripping.
Caution:
Operation beyond the specified rating may result in damage and possible arcing
and flame.
* Effective January 1, 2010, all 30R PTC products will be manufactured Halogen Free (HF). Existing Non-Halogen Free 30R PTC products may continue to be sold, until supplies are depleted.
© 2010 Littelfuse, Inc
Specifications are subject to change without notice.
Please refer to www.littelfuse.com/series/30R.html for current information.
75
30R Series
Revised: July 12, 2010
30R Series
POLYFUSE
®
Resettable PTCs
Radial Leaded > 30R Series
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
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
-20°C
0°C
23°C
40°C
Hold Current (A)
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
50°C
60°C
70°C
85°C
Average Time Current Curves
Temperature Rerating Curve
170%
150%
0.90A
1.10A
1.35A
1.60A
1.85 A
2.50A
3.00A
4.00A
5.00A
6.00A
7.00A
8.00A
9.00A
Percentage of Rated Current
100000
30R
130%
110%
90%
70%
50%
30%
10%
-40 -30 -20
-10
0
10
10000
1000
Time in Seconds
100
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.
76
30R Series
Revised: July 12, 2010
© 2010 Littelfuse, Inc.
Specifications are subject to change without notice.
Please refer to www.littelfuse.com/series/30R.html for current information.
POLYFUSE
®
Resettable PTCs
Radial Leaded > 30R Series
Soldering Parameters - Wave Soldering
Refer to the condition recommended
by the flux manufacturer.
Pre-Heating Zone
Max. ramping rate should not exceed
4°C/Sec.
Soldering Zone
Max. solder temperature should not
exceed 260°C
Cooling by natural convection in air.
Temperature (°C)
260
220
Soldering
Cooling
Preheating
190
160
Cooling Zone
0
60 min.
5 max.
Time(s)
Physical Specifications
Environmental Specifications
Operating/Storage
Temperature
Maximum Device Surface
Temperature in Tripped State
Passive Aging
Lead Material
0.90-2.50A: Tin-plated Copper clad steel
3.00-9.00A: 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.
-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
MIL–STD–202, Method 215F
No change
Level 1, J–STD–020C
Soldering
Characteristics
Insulating Material
Humidity Aging
Device Labeling
Thermal Shock
Solvent Resistance
Moisture Resistance Level
© 2010 Littelfuse, Inc
Specifications are subject to change without notice.
Please refer to www.littelfuse.com/series/30R.html for current information.
77
30R Series
Revised: July 12, 2010
30R Series
POLYFUSE
®
Resettable PTCs
Radial Leaded > 30R Series
Dimensions
A
E
Part Marking System
Single Sided Marking
Littelfuse
Trademark
30
110U
XXXX
B
Voltage Rating
Current Rating
Date Code
(Contact Littelfuse
for additional
information)
D
C
Part Number
30R090
30R110
30R135
30R160
30R185
30R250
30R300
30R400
30R500
30R600
30R700
30R800
30R900
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
0.03
0.03
0.03
0.03
0.03
0.03
0.03
0.51
0.51
0.51
0.51
0.51
0.81
0.81
0.81
0.81
0.81
0.81
0.81
Sn/CuFe
Sn/CuFe
Sn/CuFe
Sn/CuFe
Sn/Cu
Sn/Cu
Sn/Cu
Sn/Cu
Sn/Cu
Sn/Cu
Sn/Cu
Sn/Cu
78
30R Series
Revised: July 12, 2010
© 2010 Littelfuse, Inc.
Specifications are subject to change without notice.
Please refer to www.littelfuse.com/series/30R.html for current information.
POLYFUSE
®
Resettable PTCs
Radial Leaded > 30R Series
Part Ordering Number System
30 R 250
U PR
PACKAGING STYLE
BLANK:
Bulk
R:
Tape & Ammo
SERIES
QUANTITY CODE:
F=200 H=100 M=1000 P=2000 U=500
TYPE: U (30VDC)
I
HOLD
CURRENT CODE (SEE TABLE BELOW)
R: RADIAL
VOLTAGE RATING (VDC)
Packaging
Part Number
30R090
30R110
30R135
30R160
30R185
30R250
30R300
30R400
30R500
30R600
30R700
30R800
30R900
Ordering Number
30R090UU
30R090UPR
30R110UU
30R110UPR
30R135UU
30R135UPR
30R160UU
30R160UPR
30R185UU
30R185UPR
30R250UU
30R250UPR
30R300UU
30R300UPR
30R400UF
30R400UMR
30R500UF
30R500UMR
30R600UF
30R600UMR
30R700UF
30R700UMR
30R800UH
30R900UH
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
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
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
© 2010 Littelfuse, Inc
Specifications are subject to change without notice.
Please refer to www.littelfuse.com/series/30R.html for current information.
79
30R Series
Revised: July 12, 2010
30R Series
京公网安备 11010802033920号
Copyright © 2005-2026 EEWORLD.com.cn, Inc. All rights reserved
电子工程世界
