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POLYFUSE(R) Resettable PTCs
Surface Mount
1206L Series
Description T he1206Lseriesdeviceprovidessurfacemount overcurrentprotectionforapplicationswherespaceisat apremiumandresettableprotectionisdesired. Features * oHScompliantand R lead-free * astresponsetofault F currents * ompactdesignsaves C boardspace Applications * SBperipherals U * iskdrives D * D-ROMs C * lugandplayprotection P formotherboardsand peripherals * obilephones-battery M andportprotection * iskdrives D * DAs/digitalcameras P * ameconsoleport G protection * owresistance L * ow-profile L * ompatiblewithhigh C temperaturesolders
Agency Approvals
AGENCY AGENCY FILE NUMBER E183209 R50082521
Electrical Characteristics
I hold (A) 0.125 0.16 0.20 0.25 0.35 0.35 0.50 0.50 0.75 1.00 1.10 1.50 I trip (A) 0.29 0.37 0.42 0.50 0.75 0.75 1.00 1.00 1.50 1.80 2.20 3.00 V max (Vdc) 30 30 24 16 6 16 6 15 6 6 6 6 I max (A) 100 100 100 100 100 100 100 100 100 100 100 100 Pd max. (W) 0.6 0.6 0.6 0.6 0.6 0.6 0.6 0.6 0.6 0.8 0.8 0.8 Maximum Time To Trip Current (A) 1.00 1.00 8.00 8.00 8.00 8.00 8.00 8.00 8.00 8.00 8.00 8.00 Time (Sec.) 0.20 0.30 0.10 0.08 0.10 0.10 0.10 0.10 0.20 0.30 0.30 1.00 R min () 1.500 1.200 0.650 0.550 0.300 0.300 0.150 0.150 0.090 0.055 0.040 0.040 Resistance R typ () 3.600 2.800 1.550 1.400 0.750 0.750 0.400 0.400 0.200 0.110 0.110 0.080 R 1max () 6.000 4.500 2.600 2.300 1.200 1.200 0.700 0.750 0.290 0.210 0.180 0.120 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
1206L012 1206L016 1206L020-C 1206L025-C 1206L035-C 1206L035/16 1206L050-C 1206L050/15 1206L075-C 1206L100 1206L110-C 1206L150-C
A B C D E J F M G N H K
Ihold=Holdcurrent:maximumcurrentdevicewillpasswithouttrippingin20Cstillair. Itrip=Tripcurrent:minimumcurrentatwhichthedevicewilltripin20Cstillair. Vmax=Maximumvoltagedevicecanwithstandwithoutdamageatratedcurrent(Imax) Imax=Maximumfaultcurrentdevicecanwithstandwithoutdamageatratedvoltage(Vmax) Pd=Powerdissipatedfromdevicewheninthetrippedstateat20Cstillair. Rmin=Minimumresistanceofdeviceininitial(un-soldered)state.
Rtyp=Typicalresistanceofdeviceininitial(un-soldered)state. M R1max= aximumresistanceofdeviceat20Cmeasuredonehouraftertrippingorreflow solderingof260Cfor20sec. Caution:Operationbeyondthespecifiedratingmayresultindamageandpossiblearcing andflame.
1206L Series Specifications are subject to change without notice.
1 Electronics Designers Guide
www.littelfuse.com (c)2006 Littelfuse
POLYFUSE(R) Resettable PTCs
Surface Mount
Temperature Rerating
Ambient Operation Temperature -40C Part Number 1206L012 1206L016 1206L020-C 1206L025-C 1206L035-C 1206L035/16 1206L050-C 1206L050/15 1206L075-C 1206L100 1206L110-C 1206L150-C 0.18 0.22 0.28 0.37 0.50 0.50 0.71 0.71 1.14 1.45 1.52 2.18
1206L Series
-20C 0.16 0.20 0.25 0.33 0.45 0.45 0.64 0.64 1.01 1.31 1.37 1.94
0C 0.14 0.18 0.23 0.29 0.40 0.40 0.57 0.57 0.88 1.15 1.25 1.72
23C 0.125 0.16 0.20 0.25 0.35 0.35 0.50 0.50 0.75 1.00 1.1 1.50
40C Hold Current (A) 0.10 0.14 0.17 0.22 0.30 0.30 0.42 0.42 0.65 0.84 0.92 1.28
50C 0.09 0.12 0.15 0.20 0.27 0.27 0.39 0.39 0.59 0.77 0.82 1.17
60C 0.08 0.10 0.14 0.17 0.24 0.24 0.35 0.35 0.54 0.69 0.75 1.06
70C 0.07 0.09 0.12 0.15 0.21 0.21 0.31 0.31 0.49 0.61 0.64 0.96
85C 0.05 0.08 0.09 0.12 0.15 0.15 0.25 0.25 0.41 0.48 0.52 0.77
Average Time Current Curves
0.200A 0.250A 0.350A 0.350A/15V 0.500A 0.500A/15V 0.750A 1.00A 1.10A 1.50A 2.00A
Temperature Rerating Curve
0.120A 0.160A
170% 150% Percentage of Rated Current 130% 110% 90% 70% 50% 30%
100000
10000
1000
TIME IN SECONDS
100
10
10% -40 -30 -20 -10 0 10 20 30 40 Temperature (C) 50 60 70 80
1
0.100
0.010
0.001 0.20 1 10 100 1000
CURRENT IN AMPERES
Specifications are subject to change without notice.
Note: 1.00 means the number one with two decimal places. AKL V3.9 06.05.10
Theaveragetimecurrentcurvesandtemperaturereratingcurveperformanceisaffected byanumberorvariables,andthesecurvesprovidedasguidanceonly.Customermust verifytheperformanceintheirapplication.
1206L Series Specifications are subject to change without notice.
2 Electronics Designers Guide
www.littelfuse.com (c)2006 Littelfuse
POLYFUSE(R) Resettable PTCs
Surface Mount
Soldering Parameters
Condition Peak Temp/ Duration Time Time above liquids (TAL) 220C Preheat 120C~ 180C Storage Condition Reflow 260C/10Sec 60Sec~100Sec 0C~35C,70%RH
Temperature (C) 260 220 Soldering Cooling
50Sec~150Sec
* ecommendedreflowmethods:IR,vaporphaseoven,hot R airoven,N2environmentforlead-free * evicesarenotdesignedtobewavesolderedtothe D bottomsideoftheboard. * ecommendedmaximumpastethicknessis0.25mm R (0.010inch) * evicescanbecleanedusingstandardindustrymethods D andsolvents. Note:freflowtemperaturesexceedtherecommended I profile,devicesmaynotmeettheperformance requirements. Physical Specifications
Terminal Material Lead Solderability Solder-PlatedCopper(SolderMaterial: MatteTin(Sn)) MeetsEIASpecificationRS186-9E,ANSI/ J-STD-002Category3.
180 120
Preheating
0
50 to 150
60 to 100 Time(s)
120
Environmental Specifications
Operating/Storage Temperature Maximum Device Surface Temperature in Tripped State Passive Aging Humidity Aging -40Cto+85C 125C +85C,1000hours 5%typicalresistancechange +85C,85%R.H.1000hours 5%typicalresistancechange MIL-STD-202Method107G +85C/-40C20times -30%typicalresistancechange MIL-STD-202,Method215 Nochange MIL-STD-883C,Method 2007.1,ConditionA Nochange
Thermal Shock
Solvent Resistance
Vibration
1206L Series Specifications are subject to change without notice.
Electronics Designers Guide
www.littelfuse.com (c)2006 Littelfuse
POLYFUSE(R) Resettable PTCs
Surface Mount
Dimensions
MARKING CODE VARIES WITH AMPERAGE RATING (SEE CHART) SHOWN IS 1.6AMP RATING
A
C
Top View
N
B
Side View
Bottom View
D
Pad Layout
E 1.00 mm (.040)
1.80 mm (.071)
1.80 mm (.071)
Part Number 1206L012 1206L016 1206L020-C 1206L025-C 1206L035-C 1206L035/16 1206L050-C 1206L050/15 1206L075-C 1206L100 1206L110-C 1206L150-C
A Inches 0.12 0.12 0.12 0.12 0.12 0.12 0.12 0.12 0.12 0.12 0.12 0.12 0.14 0.14 0.14 0.14 0.14 0.14 0.14 0.14 0.14 0.13 0.13 0.13 3 3 3 3 3 3 3 3 3 3 3 3 mm 3.5 3.5 3.5 3.5 3.5 3.5 3.5 3.5 3.5 3.4 3.4 3.4 Inches 0.06 0.06 0.06 0.06 0.06 0.06 0.06 0.06 0.06 0.06 0.06 0.06 0.07 0.07 0.07 0.07 0.07 0.07 0.07 0.07 0.07 0.07 0.07 0.07
B mm 1.5 1.5 1.5 1.5 1.5 1.5 1.5 1.5 1.5 1.5 1.5 1.5 1.8 1.8 1.8 1.8 1.8 1.8 1.8 1.8 1.8 1.8 1.8 1.8 Inches 0.03 0.03 0.02 0.02 0.02 0.02 0.02 0.02 0.02 0.03 0.03 0.03 0.06 0.06 0.04 0.04 0.03 0.03 0.03 0.03 0.05 0.04 0.04 0.06
C mm 0.65 0.65 0.5 0.5 0.45 0.45 0.45 0.45 0.45 0.75 0.75 0.85 1.45 1.45 1 1 0.75 0.75 0.75 0.75 1.25 1 1 1.4 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
D Inches mm Min. 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 Inches Min 0.004 0.02 0.004 0.02 0.004 0.02 0.004 0.02 0.004 0.02 0.004 0.02 0.004 0.02 0.004 0.02 0.004 0.02 0.004 0.02 0.004 0.02 0.004 0.02
E mm 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.45 0.45 0.45 0.45 0.45 0.45 0.45 0.45 0.45 0.45 0.45 0.45 Max. Min. Max.
Min. Max. Min. Max. Min. Max. Min. Max. Min. Max. Min. Max.
Part Numbering System
1206 L 035 /16 W R
PACKAGING STYLE R: Tape & Reel SERIES QUANTITY CODE: W=3000 Y=4000 /XX: SPECIAL VOLTAGE RATING (NOT APPLICABLE TO ALL PARTS) I HOLD HOLD CURRENT CODE (SEE TABLE BELOW) L: LITTELFUSE SURFACE MOUNT PPTC SIZE
1206L Series Specifications are subject to change without notice.
Electronics Designers Guide
www.littelfuse.com (c)2006 Littelfuse
POLYFUSE(R) Resettable PTCs
Surface Mount
Packaging
I hold (A) 0.125 0.16 0.20 0.25 0.35 0.50 0.75 1.00 1.10 1.50 I hold Code 012 016 020 025 035 050 075 100 110 150 Packaging Option TapeandReel TapeandReel TapeandReel TapeandReel TapeandReel TapeandReel TapeandReel TapeandReel TapeandReel TapeandReel Quantity 3000 3000 4000 4000 4000 4000 3000 3000 3000 2000 Quantity & Packaging Codes WR WR YR YR YR YR WR WR WR PR
1206L Series Specifications are subject to change without notice.
Electronics Designers Guide
www.littelfuse.com (c)2006 Littelfuse

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