POLY-FUSE
®
Resettable PTCs
Surface Mount > 2920L Series
2920L Series
Description
The 2920L Series PTC provides surface mount overcurrent
protection for medium voltage (≤60V) applications where
resettable protection is desired.
Features
and halogen-free
currents
Agency Approvals
AGENCY
AGENCY FILE NUMBER
E183209
R50119118
Applications
equipment protection
control module protection
Electrical Characteristics
Maximum Time
To Trip
Current
(A)
1.50
2.50
8.00
8.00
8.00
8.00
8.00
8.00
8.00
8.00
8.00
8.00
8.00
8.00
Time
(Sec.)
3.00
4.00
0.30
0.30
0.50
2.00
2.00
2.50
5.00
5.00
10.00
10.00
20.00
20.00
R
min
(Ω)
1.200
0.350
0.350
0.300
0.120
0.070
0.080
0.050
0.050
0.050
0.035
0.025
0.015
0.015
Resistance
R
typ
(Ω)
3.000
0.870
0.670
0.60
0.270
0.160
0.150
0.110
0.090
0.090
0.060
0.050
0.033
0.033
R
1max
(Ω)
4.800
1.400
1.000
0.950
0.410
0.250
0.230
0.150
0.125
0.125
0.085
0.075
0.048
0.048
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
Marking
I
hold
(A)
0.30
0.50
0.75
0.75
1.10
1.25
1.50
1.85
2.00
2.00
2.50
2.60
3.00
3.00
I
trip
(A)
0.60
1.00
1.50
1.50
2.20
2.50
3.00
3.70
4.00
4.00
5.00
5.00
5.00
5.00
V
max
(Vdc)
60
60
30
60
33
15
33
33
15
24
15
6
6
15
I
max
(A)
10
10
40
10
40
40
40
40
40
40
40
40
40
40
P
d
typ.
(W)
1.50
1.50
1.50
1.50
1.50
1.50
1.50
1.50
1.50
1.50
1.50
1.50
1.50
1.50
Agency
Approvals
2920L030
2920L050
2920L075
2920L075/60
2920L100
2920L125
2920L150
2920L185
2920L200
2920L200/24
2920L250
2920L260
2920L300
2920L300/15
LF030
LF050
LF075
LF075-60
LF100
LF125
LF150
LF185
LF200
LF200-24
LF250
LF260
LF300
LF300-15
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.
© 2012 Littelfuse, Inc
Specifications are subject to change without notice.
Please refer to www.littelfuse.com/series/2920L.html for current information.
51
2920L Series
Revised: June 3, 2012
2920L Series
POLY-FUSE
®
Resettable PTCs
Surface Mount > 2920L Series
Temperature Rerating
Ambient Operation Temperature
-40°C
Part Number
2920L030
2920L050
2920L075
2920L075/60
2920L100
2920L125
2920L150
2920L185
2920L200
2920L200/24
2920L250
2920L260
2920L300
2920L300/15
0.45
0.76
1.13
1.13
1.66
1.89
2.27
2.80
3.02
3.14
3.78
3.64
4.53
4.20
0.40
0.67
1.01
1.01
1.47
1.68
2.01
2.47
2.68
2.77
3.35
3.25
4.02
3.85
0.35
0.59
0.88
0.88
1.29
1.46
1.76
2.17
2.34
2.42
2.93
2.91
3.51
3.44
0.30
0.50
0.75
0.75
1.10
1.25
1.50
1.85
2.00
2.00
2.50
2.60
3.00
3.00
-20°C
0°C
20°C
40°C
Hold Current (A)
0.25
0.42
0.62
0.62
0.91
1.04
1.25
1.54
1.66
1.73
2.08
2.26
2.52
2.69
0.23
0.38
0.56
0.56
0.83
0.94
1.13
1.39
1.50
1.56
1.88
2.08
2.26
2.50
0.20
0.33
0.50
0.50
0.73
0.83
1.00
1.22
1.32
1.38
1.65
1.95
1.99
2.31
0.17
0.29
0.44
0.44
0.64
0.73
0.87
1.07
1.16
1.20
1.45
1.74
1.75
2.12
0.14
0.23
0.34
0.34
0.50
0.56
0.74
0.85
0.90
0.98
1.13
1.48
1.34
1.83
50°C
60°C
70°C
85°C
Average Time Current Curves
Temperature Rerating Curve
0.30A
0.50A
0.75A & 0.75A/60
1.00A
1.25A
1.50A
1.85A
2.00A/24V
2.50A
2.60A
3.00A/15V
170%
150%
Percentage of Rated Current
130%
110%
90%
70%
50%
30%
1000
2920L
100
Time in Seconds
10%
-40
-30 -20
-10
0
10
20 30
40
Temperature (°C)
50
60
70
80 85
10
1
0.10
0.1
1
10
100
Current in Amperes
The average time current curves and Temperature Rerating curve performance is affected
verify the performance in their application.
52
2920L Series
Revised: June 3, 2012
© 2012 Littelfuse, Inc.
Specifications are subject to change without notice.
Please refer to www.littelfuse.com/series/2920L.html for current information.
POLY-FUSE
®
Resettable PTCs
Surface Mount > 2920L Series
Soldering Parameters
Condition
Peak Temp/ Duration Time
Time above liquids (TAL) 220°C
Preheat 120°C~ 180°C
Storage Condition
environment for lead–free
Reflow
260°C / 10 Sec
60 Sec ~ 100 Sec
< 70%RH
=
Temperature (°C)
260
220
Soldering
Cooling
50 Sec ~ 150 Sec
Preheating
180
120
2
0
50 to 150
60 to 100
Time(s)
120
Physical Specifications
Solder-Plated Copper (Solder Material:
Matte Tin(Sn))
Environmental Specifications
Operating/Storage
Temperature
Maximum Device Surface
Temperature in Tripped
State
Passive Aging
Terminal Material
-40°C to +85°C
Lead Solderability
125°C
-/+5% typical resistance change
Humidity Aging
-/+5% typical resistance change
+85°C/-40°C 20 times
-30% typical resistance change
Thermal Shock
Solvent Resistance
Vibration
Moisture Sensitivity Level
© 2012 Littelfuse, Inc
Specifications are subject to change without notice.
Please refer to www.littelfuse.com/series/2920L.html for current information.
53
2920L Series
Revised: June 3, 2012
2920L Series
solvents.
Note:
devices may not meet the performance requirements.
POLY-FUSE
®
Resettable PTCs
Surface Mount > 2920L Series
Dimensions (mm)
MARKING CODE VARIES
WITH AMPERAGE AND VOLTAGE RATING
(SEE ELECTRICAL CHARACTERISTIC TABLE)
SHOWN ARE:
- 1.5A/33V RATING (LEFT)
- 2.0A/24V RATING (RIGHT)
A
C
Top
View
150
150
D
B
200
-24
Side
View
Bottom
View
Pad
Layout
4.60 mm
(.181”)
5.30 mm
(.209”)
E
2.0mm
(.079”)
A
Part
Number
2920L030
2920L050
2920L075
2920L100
2920L125
2920L150
2920L185
2920L200
2920L250
2920L260
2920L300
Inches
mm
Inches
B
mm
4.8
4.8
4.8
4.8
4.8
4.8
4.8
4.8
4.8
4.8
4.8
4.8
4.8
4.8
Inches
C
mm
Inches
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
D
mm
0.3
0.3
0.3
0.3
0.3
0.3
0.3
0.3
0.3
0.3
0.3
0.3
0.3
0.3
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
Inches
Min
0.01
0.01
0.01
0.01
0.01
0.01
0.01
0.01
0.01
0.01
0.01
0.01
0.01
0.01
Max
0.08
0.08
0.08
0.08
0.08
0.08
0.08
0.08
0.08
0.08
0.08
0.08
0.08
0.08
E
mm
Min
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
Max
2
2
2
2
2
2
2
2
2
2
2
2
2
2
Min Max Min Max Min Max Min Max Min Max Min Max Min Max Min Max
0.26 0.31 6.73 7
.98 0.19 0.21
0.26 0.31 6.73 7
.98 0.19 0.21
0.26 0.31 6.73 7
.98 0.19 0.21
0.26 0.31 6.73 7
.98 0.19 0.21
0.26 0.31 6.73 7
.98 0.19 0.21
0.26 0.31 6.73 7
.98 0.19 0.21
0.26 0.31 6.73 7
.98 0.19 0.21
0.26 0.31 6.73 7
.98 0.19 0.21
0.26 0.31 6.73 7
.98 0.19 0.21
0.26 0.31 6.73 7
.98 0.19 0.21
0.26 0.31 6.73 7
.98 0.19 0.21
5.44 0.03 0.05 0.75 1.25 0.01
5.44 0.03 0.05 0.75 1.25 0.01
5.44 0.03 0.05 0.75 1.25 0.01
5.44 0.05 0.06 1.20 1.80 0.01
5.44 0.02 0.04 0.55
5.44 0.02 0.04 0.55
1
1
0.01
0.01
2920L075/60 0.26 0.31 6.73 7
.98 0.19 0.21
5.44 0.03 0.05 0.75 1.25 0.01
5.44 0.03 0.05 0.75 1.25 0.01
5.44 0.03 0.05 0.75 1.25 0.01
5.44 0.03 0.05 0.75 1.25 0.01
5.44 0.03 0.05 0.75 1.25 0.01
5.44 0.02 0.04 0.55
1
0.01
5.44 0.03 0.05 0.75 1.25 0.01
5.44 0.03 0.05 0.75 1.25 0.01
2920L200/24 0.26 0.31 6.73 7
.98 0.19 0.21
2920L300/15 0.26 0.31 6.73 7
.98 0.19 0.21
54
2920L Series
Revised: June 3, 2012
© 2012 Littelfuse, Inc.
Specifications are subject to change without notice.
Please refer to www.littelfuse.com/series/2920L.html for current information.
POLY-FUSE
®
Resettable PTCs
Surface Mount > 2920L Series
Part Ordering Number System
2920 L xxx
/xx
D R
PACKAGING STYLE
R:
Tape
& Reel
SERIES
QUANTITY CODE: D=1500 M=1000 P=2000
SPECIAL VOLTAGE RATING ITEM
(Not applicable to all parts. Refer to Electrical
Characteristics
Table
for additional information)
I
HOLD
HOLD CURRENT CODE
(Refer to Electrical Characteristics
Table)
L: LITTELFUSE SURFACE MOUNT PPTC
DEVICE SIZE CODE
(0.29 x 0.20 inch)
Packaging
Part Number
2920L030
2920L050
2920L075
2920L075/60
2920L100
2920L125
2920L150
2920L185
2920L200
2920L200/24
2920L250
2920L260
2920L300
2920L300/15
2920L260PR
2920L075/60MR
2920L100PR
2920L125PR
Ordering Number
Halogen
Free
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
I
hold
(A)
0.30
0.50
0.75
0.75
1.10
1.25
1.50
1.85
2.00
2.00
2.50
2.60
3.00
3.00
I
hold
Code
030
050
075
075
100
125
150
185
200
200
250
260
300
300
/15
/24
/60
Voltage
Option
Packaging
Option
Tape and Reel
Tape and Reel
Tape and Reel
Tape and Reel
Tape and Reel
Tape and Reel
Tape and Reel
Tape and Reel
Tape and Reel
Tape and Reel
Tape and Reel
Tape and Reel
Tape and Reel
Tape and Reel
Quantity
1500
1500
1500
1000
2000
2000
1500
1500
1500
1500
1500
2000
1500
1500
PR
MR
PR
PR
Quantity &
Packaging Codes
© 2012 Littelfuse, Inc
Specifications are subject to change without notice.
Please refer to www.littelfuse.com/series/2920L.html for current information.
55
2920L Series
Revised: June 3, 2012
2920L Series
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