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Resettable PTCs. 2920L250 Datasheet

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Resettable PTCs. 2920L250 Datasheet
















2920L250 PTCs. Datasheet pdf. Equivalent













Part

2920L250

Description

Resettable PTCs



Feature


2920L Series Surface Mount PTCs Datashe et Additional Information Resources Accessories Samples RoHS Description The 2920L Series PTC provides surface m ount overcurrent protection for medium voltage (≤60V) applications where res ettable protection is desired. Feature s ■ RoHS compliant, lead-free and hal ogen-free ■ Fast response to fault cu rrents ■ High voltage .
Manufacture

Littelfuse

Datasheet
Download 2920L250 Datasheet


Littelfuse 2920L250

2920L250; ■ Low-profile Applications ■ IEEE 1394 port protection ■ Powered ethern et port protection (IEEE 802.3 af) ■ Automotive electronic control module protection ■ Low voltage telecom equi pment protection Agency Approvals Age ncy Agency File Number E183209 R501191 18 Electrical Characteristics Part Nu mber 2920L030 2920L050 2920L075 2920L07 5/60 2920L100 2920L110/60 29.


Littelfuse 2920L250

20L125 2920L150 2920L185 2920L200 2920L2 00/24 2920L250 2920L260 2920L260/24 292 0L300 2920L300/15 2920L330/24 2920L400/ 15 2920L500/16 2920L600/12 2920L600/16 2920L700/12 Marking LF030 LF050 LF075 LF075-60 LF100 LF110 LF125 LF150 LF185 LF200 LF200-24 LF250 LF260 LF260-24 LF3 00 LF300-15 LF330 LF400 LF500-16 LF600- 12 LF600-16 LF700-12 I hold (A) I tri p V max (A) (Vdc.


Littelfuse 2920L250

) 0.30 0.60 60 0.50 1.00 60 0.75 1.50 30 0.75 1.50 60 1.10 2.20 33 1.10 2 .20 60 1.25 2.50 15 1.50 3.00 33 1.8 5 3.70 33 2.00 4.00 15 2.00 4.00 24 2.50 5.00 15 2.60 5.00 6 2.60 5.00 2 4 3.00 5.00 6 3.00 5.00 15 3.3 5.50 24 4.00 8.00 15 5.00 10.00 16 6.00 12.00 12 6.00 12.00 16 7.00 14.00 12 Maximum Time I max P d typ. To Trip (A) (W) Current.





Part

2920L250

Description

Resettable PTCs



Feature


2920L Series Surface Mount PTCs Datashe et Additional Information Resources Accessories Samples RoHS Description The 2920L Series PTC provides surface m ount overcurrent protection for medium voltage (≤60V) applications where res ettable protection is desired. Feature s ■ RoHS compliant, lead-free and hal ogen-free ■ Fast response to fault cu rrents ■ High voltage .
Manufacture

Littelfuse

Datasheet
Download 2920L250 Datasheet




 2920L250
2920L Series
Surface Mount
PTCs Datasheet
Additional Information
Resources
Accessories
Samples
RoHS
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
Applications
IEEE 1394 port protection
Powered ethernet port
protection (IEEE 802.3 af)
Automotive electronic
control module protection
Low voltage telecom
equipment protection
Agency Approvals
Agency
Agency File Number
E183209
R50119118
Electrical Characteristics
Part Number
2920L030
2920L050
2920L075
2920L075/60
2920L100
2920L110/60
2920L125
2920L150
2920L185
2920L200
2920L200/24
2920L250
2920L260
2920L260/24
2920L300
2920L300/15
2920L330/24
2920L400/15
2920L500/16
2920L600/12
2920L600/16
2920L700/12
Marking
LF030
LF050
LF075
LF075-60
LF100
LF110
LF125
LF150
LF185
LF200
LF200-24
LF250
LF260
LF260-24
LF300
LF300-15
LF330
LF400
LF500-16
LF600-12
LF600-16
LF700-12
I hold
(A)
I trip
V max
(A) (Vdc)
0.30 0.60 60
0.50 1.00 60
0.75 1.50 30
0.75 1.50 60
1.10 2.20 33
1.10 2.20 60
1.25 2.50 15
1.50 3.00 33
1.85 3.70 33
2.00 4.00 15
2.00 4.00 24
2.50 5.00 15
2.60 5.00
6
2.60 5.00 24
3.00 5.00
6
3.00 5.00 15
3.3 5.50 24
4.00 8.00 15
5.00 10.00 16
6.00 12.00 12
6.00 12.00 16
7.00 14.00 12
Maximum Time
I max P d typ.
To Trip
(A)
(W)
Current
Time
(A)
(Sec.)
10 1.50
1.50
3.00
10 1.50
2.50
4.00
40
1.50
8.00
0.30
10
1.50
8.00
0.30
40
1.50
8.00
0.50
20 2.00 8.00
0.50
40
1.50
8.00
2.00
40
1.50
8.00
2.00
40
1.50
8.00
2.50
40
1.50
8.00
5.00
40
1.50
8.00
5.00
40
1.50
8.00
5.00
40
1.50
8.00
10.00
40
1.50
8.00
5.00
40
1.50
8.00
20.00
40
1.50
8.00
20.00
40
2.0
8.00
5.00
40 1.50 20.00
4.00
40
2.0
20.00
5.00
50 2.00 30.00
2.00
40 2.20 30.00
2.00
50 2.00 35.00
2.00
Resistance
R min
(Ω)
1.200
0.350
0.350
0.300
0.120
0.120
0.070
0.080
0.050
0.050
0.050
0.035
0.025
0.025
0.015
0.015
0.015
0.010
0.005
0.004
0.004
0.003
R 1max
(Ω)
4.800
1.400
1.000
0.950
0.410
0.410
0.250
0.230
0.150
0.125
0.125
0.085
0.075
0.075
0.048
0.048
0.055
0.040
0.025
0.020
0.020
0.018
Agency
Approvals
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
X
X
X
X
X
X
X
X
-
-
X
X
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 (Vmax)
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.
© 2021 Littelfuse, Inc.
1
Specifications are subject to change without notice.
Revised: GD. 04/08/21




 2920L250
2920L Series
Surface Mount
PTCs Datasheet
Temperature Rerating
Ambient Operation Temperature
-40°C
-20°C
0°C
20°C
40°C
50°C
Part Number
Hold Current (A)
2920L030
0.45
0.40
0.35
0.30
0.25
0.23
2920L050
0.76
0.67
0.59
0.50
0.42
0.38
2920L075
1.13
1.01
0.88
0.75
0.62
0.56
2920L075/60
1.13
1.01
0.88
0.75
0.62
0.56
2920L100
1.66
1.47
1.29
1.10
0.91
0.83
2920L110/60
1.66
1.47
1.29
1.10
0.91
0.83
2920L125
1.89
1.68
1.46
1.25
1.04
0.94
2920L150
2.27
2.01
1.76
1.50
1.25
1.13
2920L185
2.80
2.47
2.17
1.85
1.54
1.39
2920L200
3.02
2.68
2.34
2.00
1.66
1.50
2920L200/24
3.14
2.77
2.42
2.00
1.73
1.56
2920L250
3.78
3.35
2.93
2.50
2.08
1.88
2920L260
3.64
3.25
2.91
2.60
2.26
2.08
2920L260/24
3.64
3.25
2.91
2.60
2.26
2.08
2920L300
4.53
4.02
3.51
3.00
2.52
2.26
2920L300/15
4.20
3.85
3.44
3.00
2.69
2.50
2920L330/24
4.60
4.20
3.75
3.30
2.95
2.75
2920L400/15
5.50
5.00
4.50
4.00
3.40
3.10
2920L500/16
7.55
6.70
5.85
5.00
4.15
3.75
2920L600/12
8.58
7.83
7.05
6.00
5.27
4.87
2920L600/16
8.58
7.83
7.05
6.00
5.27
4.87
2920L700/12
9.48
8.73
7.92
7.00
6.36
5.88
Notes: The temperature rerating data is only for reference, please contact Littelfuse technical support for detail temperature rerating information.
60°C
0.20
0.33
0.50
0.50
0.73
0.73
0.83
1.00
1.22
1.32
1.38
1.65
1.95
1.95
1.99
2.31
2.50
2.80
3.30
4.48
4.48
5.41
70°C
0.17
0.29
0.44
0.44
0.64
0.64
0.73
0.87
1.07
1.16
1.20
1.45
1.74
1.74
1.75
2.12
2.25
2.50
2.90
4.05
4.05
4.83
Average Time Current Curves
Temperature Rerating Curve
85°C
0.14
0.23
0.34
0.34
0.50
0.50
0.56
0.74
0.85
0.90
0.98
1.13
1.48
1.48
1.34
1.83
1.70
2.10
2.25
3.38
3.38
3.94
170%
150%
130%
110%
100
90%
70%
10
50%
30%
10%
1
-40 -30 -20 -10 0 10 20 30 40 50 60 70 80 85
Temperature (°C)
0.1
Note: Typical Temperature rerating curve, refer to table for rerating data
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.
2
© 2021 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: GD. 04/08/21




 2920L250
2920L Series
Surface Mount
PTCs Datasheet
Soldering Parameters
Profile Feature
Average Ramp-Up Rate (TS(max) to TP)
Temperature Min (Ts(min))
Pre Heat:
Temperature Max (Ts(max))
Time (Min to Max) (ts)
Time Maintained Temperature (TL)
Above:
Temperature (tL)
Peak / Classification Temperature (TP)
Time within 5°C of actual peak Temperature (tp)
Ramp-down Rate
Time 25°C to peak Temperature (TP)
Pb-Free Assembly
3°C/second max
150°C
200°C
60 – 180 secs
217°C
60 – 150 seconds
260+0/-5 °C
20 – 40 seconds
6°C/second max
8 minutes Max.
TP
TL
TS(max)
Ramp-up
TS(min)
Preheat
tS
25
time to peak temperature
tP
tL
Ramp-down
Time
-- All temperature refer to topside of the package, measured on the package body surface
-- If reflow temperature exceeds the recommended profile, devices may not meet the performance
requirements
-- Recommended reflow methods: IR, vapor phase oven, hot air oven, N2 environment for lead
-- Recommended maximum paste thickness is 0.25mm(0.010inch)
-- Devices can be cleaned usingstandard industry methods and solvents
-- Devices can be reworked using the standard industry practices
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 Temperature
Maximum Device Surface
Temperature in Tripped State
Passive Aging
Humidity Aging
Thermal Shock
Solvent Resistance
Vibration
Moisture Sensitivity Level
-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 107
+85°C/-40°C 20 times
-30% typical resistance change
MIL–STD–202, Method 215
MIL–STD–883, Method 2007, Condition A
Level 2a, J–STD–020
© 2021 Littelfuse, Inc.
3
Specifications are subject to change without notice.
Revised: GD. 04/08/21




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