POLYFUSE
®
Resettable PTCs
Surface Mount
2920L Series
Description
The2920Lseriesdeviceprovidessurfacemount
overcurrentprotectionformediumvoltage(≤60V)
applicationswhereresettableprotectionisdesired.
Features
• oHScompliantand
R
lead-free
• astresponsetofault
F
currents
Agency Approvals
AGENCY
AGENCY FILE NUMBER
E183209
R50082521
• ighvoltage
H
• ow-profile
L
Applications
•EE1394portprotection
I
• oweredethernetport
P
protection(IEEE802.3af)
• utomotiveelectronic
A
controlmoduleprotection
• owvoltagetelecom
L
equipmentprotection
Electrical Characteristics
I
hold
(A)
0.30
0.50
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
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
33
15
33
33
15
24
15
6
6
15
I
max
(A)
10
10
40
40
40
40
40
40
40
40
40
40
40
P
d
max.
(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
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
Time
(Sec.)
3.00
4.00
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
0.120
0.070
0.080
0.065
0.050
0.050
0.035
0.025
0.015
0.015
Resistance
R
typ
(Ω)
3.000
0.870
0.670
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
0.410
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
Agency
Approvals
Part Number
Marking
2920L030
2920L050
2920L075
2920L100
2920L125
2920L150
2920L185
2920L200
2920L200/24
2920L250
2920L260
2920L300
2920L300/15
LF030
LF050
LF075
LF100
LF125
LF150
LF185
LF200
LF200-24
LF250
LF260
LF300
LF300-15
I
hold
=Holdcurrent:maximumcurrentdevicewillpasswithouttrippingin20°Cstillair.
I
trip
=Tripcurrent:minimumcurrentatwhichthedevicewilltripin20°Cstillair.
V
max
=Maximumvoltagedevicecanwithstandwithoutdamageatratedcurrent(Imax)
I
max
=Maximumfaultcurrentdevicecanwithstandwithoutdamageatratedvoltage(V
max
)
P
d
=Powerdissipatedfromdevicewheninthetrippedstateat20°Cstillair.
R
min
=Minimumresistanceofdeviceininitial(un-soldered)state.
R
typ
=Typicalresistanceofdeviceininitial(un-soldered)state.
M
R
1max
= aximumresistanceofdeviceat20°Cmeasuredonehouraftertrippingorreflow
solderingof260°Cfor20sec.
Caution:Operationbeyondthespecifiedratingmayresultindamageandpossiblearcing
andflame.
www.littelfuse.com
©2006 Littelfuse
5
Electronics Designers Guide
0L Series
Specifications are subject to change without notice.
POLYFUSE
®
Resettable PTCs
Surface Mount
Temperature Rerating
Ambient Operation Temperature
-40°C
Part Number
2920L030
2920L050
2920L075
2920L100
2920L125
2920L150
2920L185
2920L200
2920L200/24
2920L250
2920L260
2920L300
2920L300/15
0.45
0.76
1.13
1.66
1.89
2.27
2.80
3.02
3.14
3.78
3.64
4.53
4.20
2920L Series
-20°C
0.40
0.67
1.01
1.47
1.68
2.01
2.47
2.68
2.77
3.35
3.25
4.02
3.85
0°C
0.35
0.59
0.88
1.29
1.46
1.76
2.17
2.34
2.42
2.93
2.91
3.51
3.44
23°C
0.30
0.50
0.75
1.10
1.25
1.50
1.85
2.00
2.00
2.50
2.60
3.00
3.00
40°C
Hold Current (A)
0.25
0.42
0.62
0.91
1.04
1.25
1.54
1.66
1.73
2.08
2.26
2.52
2.69
50°C
0.23
0.38
0.56
0.83
0.94
1.13
1.39
1.50
1.56
1.88
2.08
2.26
2.50
60°C
0.20
0.33
0.50
0.73
0.83
1.00
1.22
1.32
1.38
1.65
1.95
1.99
2.31
70°C
0.17
0.29
0.44
0.64
0.73
0.87
1.07
1.16
1.20
1.45
1.74
1.75
2.12
85°C
0.14
0.23
0.34
0.50
0.56
0.74
0.85
0.90
0.98
1.13
1.48
1.34
1.83
Average Time Current Curves
1.00A
1.25A
1.50A
1.85A
2.00A/24V
2.00A
2.50A
2.60A
3.00A/15V
3.00A
0.300A
0.100A
0.500A
0.750A
Temperature Rerating Curve
100000
10000
1000
TIME IN SECONDS
100
10
1
0.100
0.010
0.001
0.02
0.100
1
10
100
CURRENT IN AMPERES
Theaveragetimecurrentcurvesandtemperaturereratingcurveperformanceisaffected
Specifications are subject to change without notice.
byanumberorvariables,andthesecurvesprovidedasguidanceonly.Customermust
06.05.10
Note: 1.00 means the number one with two decimal places.
AKL V3.9
verifytheperformanceintheirapplication.
0L Series
Specifications are subject to change without notice.
Electronics Designers Guide
www.littelfuse.com
©2006 Littelfuse
POLYFUSE
®
Resettable PTCs
Surface Mount
Soldering Parameters
Condition
Peak Temp/ Duration Time
Time above liquids (TAL) 220°C
Preheat 120°C~ 180°C
Storage Condition
Reflow
260°C/10Sec
60Sec~100Sec
Temperature (°C)
260
220
Soldering
Cooling
50Sec~150Sec
0°C~35°C,< 70%RH
=
• ecommendedreflowmethods:IR,vaporphaseoven,hotair
R
oven,N
2
environmentforlead-free
• evicesarenotdesignedtobewavesolderedtothebottomside
D
oftheboard.
• ecommendedmaximumpastethicknessis0.25mm(0.010inch)
R
• evicescanbecleanedusingstandardindustrymethodsand
D
solvents.
Note:
freflowtemperaturesexceedtherecommendedprofile,
I
devicesmaynotmeettheperformancerequirements.
180
120
Preheating
0
50 to 150
60 to 100
Time(s)
120
Physical Specifications
Terminal Material
Lead Solderability
Solder-PlatedCopper(SolderMaterial:
MatteTin(Sn))
MeetsEIASpecificationRS186-9E,ANSI/
J-STD-002Category3.
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
MIL-STD-202Method107G
+85°C/-40°C20times
-30%typicalresistancechange
MIL-STD-202,Method215
MIL-STD-883C,Method
2007.1,ConditionA
Thermal Shock
Solvent Resistance
Vibration
www.littelfuse.com
©2006 Littelfuse
Electronics Designers Guide
0L Series
Specifications are subject to change without notice.
POLYFUSE
®
Resettable PTCs
Surface Mount
Dimensions (mm)
MARKING CODE VARIES
WITH AMPERAGE AND VOLTAGE RATING
(SEE CHART)
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”)
A
Part Number
2920L030
2920L050
2920L075
2920L100
2920L125
2920L150
2920L185
2920L200
2920L200/24
2920L250
2920L260
2920L300
2920L300/15
Inches
0.26
0.26
0.26
0.26
0.26
0.26
0.26
0.26
0.26
0.26
0.26
0.26
0.26
0.31
0.31
0.31
0.31
0.31
0.31
0.31
0.31
0.31
0.31
0.31
0.31
0.31
mm
6.73
6.73
6.73
6.73
6.73
6.73
6.73
6.73
6.73
6.73
6.73
6.73
6.73
7.98
7.98
7.98
7.98
7.98
7.98
7.98
7.98
7.98
7.98
7.98
7.98
7.98
Inches
0.19
0.19
0.19
0.19
0.19
0.19
0.19
0.19
0.19
0.19
0.19
0.19
0.19
0.21
0.21
0.21
0.21
0.21
0.21
0.21
0.21
0.21
0.21
0.21
0.21
0.21
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
5.44
5.44
5.44
5.44
5.44
5.44
5.44
5.44
5.44
5.44
5.44
5.44
5.44
Inches
0.03
0.03
0.03
0.02
0.02
0.03
0.03
0.03
0.03
0.03
0.02
0.03
0.03
0.05
0.05
0.05
0.04
0.04
0.05
0.05
0.05
0.05
0.05
0.04
0.05
0.05
C
mm
0.75
0.75
0.75
0.55
0.55
0.75
0.75
0.75
0.75
0.75
0.55
0.75
0.75
1.25
1.25
1.25
1
1
1.25
1.25
1.25
1.25
1.25
1
1.25
1.25
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
D
Inches mm
Min.
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
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
0.08
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
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
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.
Part Numbering System
2920 L 200 /24 D R
PACKAGING STYLE
R:
Tape & Reel
SERIES
QUANTITY CODE:
D=1500 P=2000
/XX: SPECIAL VOLTAGE RATING (NOT APPLICABLE TO ALL PARTS)
I
HOLD
CURRENT CODE (SEE TABLE BELOW)
L: LITTELFUSE SURFACE MOUNT PPTC
SIZE
0L Series
Specifications are subject to change without notice.
8
Electronics Designers Guide
www.littelfuse.com
©2006 Littelfuse
POLYFUSE
®
Resettable PTCs
Surface Mount
Packaging
I
hold
(A)
0.30
0.50
0.75
1.10
1.25
1.50
1.85
2.00
2.50
2.60
3.00
I
hold
Code
030
050
075
100
125
150
185
200
250
260
300
/15
/24
Voltage
Option
Packaging
Option
TapeandReel
TapeandReel
TapeandReel
TapeandReel
TapeandReel
TapeandReel
TapeandReel
TapeandReel
TapeandReel
TapeandReel
TapeandReel
TapeandReel
TapeandReel
Quantity
1500
1500
1500
2000
2000
1500
1500
1500
1500
1500
2000
1500
1500
Quantity &
Packaging Codes
DR
DR
DR
PR
PR
DR
DR
DR
DR
DR
PR
DR
DR
www.littelfuse.com
©2006 Littelfuse
Electronics Designers Guide
0L Series
Specifications are subject to change without notice.
MEMS传感器
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