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
• RoHS compliant, lead-free
and halogen-free
• Fast response to fault
currents
• High voltage
• Low-profile
Agency Approvals
AGENCY
AGENCY FILE NUMBER
E183209
R50119118
Applications
• IEE1394 port protection
• Powered ethernet port
protection (IEEE 802.3 af)
• Automotive electronic
control module protection
• Low voltage telecom
equipment protection
Electrical Characteristics
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
2.0
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
20.00
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
5.00
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
0.005
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
0.025
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
Part Number
2920L030
2920L050
2920L075
2920L075/60
2920L100
2920L125
2920L150
2920L185
2920L200
2920L200/24
2920L250
2920L260
2920L300
2920L300/15
2920L500/16
Marking
LF030
LF050
LF075
LF075-60
LF100
LF125
LF150
LF185
LF200
LF200-24
LF250
LF260
LF300
LF300-15
LF500-16
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
5.00
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
10.00
V
max
(Vdc)
60
60
30
60
33
15
33
33
15
24
15
6
6
15
16
I
max
(A)
10
10
40
10
40
40
40
40
40
40
40
40
40
40
40
Agency
Approvals
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.
© 2014 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: 04/01/14
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
2920L500/16
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
6.85
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
6.25
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
5.65
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
5.00
-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
4.25
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
3.88
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
3.50
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
2.80
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
2.25
50°C
60°C
70°C
85°C
Notes: The temperature rerating data is only for reference, please contact Littelfuse technical support for detail temperature rerating information.
Average Time Current Curves
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
Temperature Rerating Curve
170%
150%
Percentage of Rated Current
130%
110%
90%
70%
50%
30%
10%
-40
2016L
100
2920L
0.13A
1000
250S
10
100
Time in Seconds
Time in Seconds
-30 -20
-10
0
10
20 30
40
Temperature (°C)
50
60
70
80 85
1
10
0.1
1
0.01
0.1
1
10
100
0.10
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.
© 2014 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: 04/01/14
Current in Amperes
0.10A
0.30A
0.50A
.75A .75A/60
1.00A
1.25A
1.50A
1.85A
2.00A/24V
2.00A
2.50A
2.60A
3.00A/15V
3.00A
2920L
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
Reflow
260°C / 10 Sec
60 Sec ~ 100 Sec
Temperature (°C)
260
220
Soldering
Cooling
50 Sec ~ 150 Sec
0°C~35°C,
< 70%RH
=
• Recommended reflow methods: IR, vapor phase oven, hot air
oven, N
2
environment for lead–free
• Recommended maximum paste thickness is 0.25mm (0.010 inch)
• Devices can be cleaned using standard industry methods and
solvents.
Note:
If reflow temperatures exceed the recommended profile,
devices may not meet the performance requirements.
180
120
Preheating
0
50 to 150
60 to 100
Time(s)
120
Physical Specifications
Terminal Material
Lead Solderability
Solder-Plated Copper (Solder Material:
Matte Tin(Sn))
Meets EIA Specification RS186-9E, ANSI/
J-STD-002 Category 3.
Environmental Specifications
Operating/Storage
Temperature
Maximum Device Surface
Temperature in Tripped
State
Passive Aging
Humidity Aging
-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
MIL
-STD-20 2, Method 107G
+85°C/-40°C 20 times
-30% typical resistance change
MIL–STD–202, Method 215
MIL–STD–883C, Method 2007
.1,
Condition A
Level 1, J–STD–020C
Thermal Shock
Solvent Resistance
Vibration
Moisture Sensitivity Level
© 2014 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: 04/01/14
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
E
4.60 mm
(.181”)
5.30 mm
(.209”)
2.0mm
(.079”)
Part
Number
2920L030
2920L050
2920L075
2920L100
2920L125
2920L150
2920L185
2920L200
2920L250
2920L260
2920L300
A
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
0.01
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
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
Max Min Max
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
2.00
Min Max Min Max Min Max Min Max Min Max Min Max Min
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
5.44 0.03 0.05 0.75 1.25
5.44 0.03 0.05 0.75 1.25
5.44 0.05 0.06 1.20 1.80
5.44 0.02 0.04 0.55
5.44 0.02 0.04 0.55
1
1
2920L075/60 0.26 0.31 6.73 7
.98 0.19 0.21
5.44 0.03 0.05 0.75 1.25
5.44 0.03 0.05 0.75 1.25
5.44 0.03 0.05 0.75 1.25
5.44 0.03 0.05 0.75 1.25
5.44 0.03 0.05 0.75 1.25
5.44 0.02 0.04 0.55
1
5.44 0.03 0.05 0.75 1.25
5.44 0.03 0.05 0.75 1.25
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
2920L500/16 0.26 0.31 6.73 7
.98 0.19 0.21 4.80 5.44 0.80 1.60 0.80 1.60 0.012 0.098 0.30 2.50 0.010 0.079 0.25
© 2014 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: 04/01/14
POLY-FUSE
®
Resettable PTCs
Surface Mount > 2920L Series
Part Ordering Number System
2920 L 380 /12 TH Y R - A
-A:
Automotive grade
Blank:
Standard version
PACKAGING STYLE
R:
Tape & Reel
QUANTITY CODE: K=10,000 Y=4,000 W=3,000 P=2,000
THIN PROFILE
(Not applicable to all parts)
/XX: SPECIAL VOLTAGE RATING
(Not applicable to all parts. Refer
to Electrical Characteristics Table)
I
HOLD
HOLD CURRENT CODE
(Refer to Electrical Characteristics Table)
L: LITTELFUSE SURFACE MOUNT PPTC
SIZE
SERIES
Packaging
Part Number
2920L030
2920L050
2920L075
2920L075/60
2920L100
2920L125
2920L150
2920L185
2920L200
2920L200/24
2920L250
2920L260
2920L300
2920L300/15
2920L500/16
Ordering Number
2920L030DR
2920L050DR
2920L075DR
2920L075/60MR
2920L100PR
2920L125PR
2920L150DR
2920L185DR
2920L200DR
2920L200/24DR
2920L250DR
2920L260PR
2920L300DR
2920L300/15DR
2920L500/16MR
Halogen
Free
Yes
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
5.00
I
hold
Code
030
050
075
075
100
125
150
185
200
200
250
260
300
300
500
/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
Tape and Reel
Quantity
1500
1500
1500
1000
2000
2000
1500
1500
1500
1500
1500
2000
1500
1500
1,000
Quantity &
Packaging Codes
DR
DR
DR
MR
PR
PR
DR
DR
DR
DR
DR
PR
DR
DR
MR
© 2014 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: 04/01/14
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