27
Revised: April 24, 2012
POLY-FUSE® Resettable PTCs
© 2012 Littelfuse, Inc 1206L Series
1206L Series
Surface Mount > 1206L Series
Specifications are subject to change without notice.
Please refer to www.littelfuse.com/series/1206L.html for current information.
1206L Series
The 1206L Series PTC provides surface mount overcurrent
protection for applications where space is at a premium
and resettable protection is desired.
Electrical Characteristics
Part Number Marking I hold
(A)
I trip
(A)
V max
(Vdc)
I max
(A)
P d
typ.
(W)
Maximum Time
To Trip Resistance Agency
Approvals
Current
(A)
Time
(Sec.)
R min
(Ω)
R 1max
(Ω)
1206L012 A 0.125 0.29 30 100 0.6 1.00 0.20 1.500 6.00 X X
1206L016 B 0.16 0.37 30 100 0.6 1.00 0.30 1.200 4.50 X X
1206L020 1C 0.20 0.42 24 100 0.6 8.00 0.10 0.650 2.60 X X
1206L025 1D 0.25 0.50 16 100 0.6 8.00 0.08 0.550 2.30 X X
1206L035 1E 0.35 0.75 6 100 0.6 8.00 0.10 0.300 1.20 X X
1206L035/16 J 0.35 0.75 16 100 0.6 8.00 0.10 0.300 1.20 X X
1206L050 1F 0.50 1.00 6 100 0.6 8.00 0.10 0.150 0.70 X X
1206L050/15 M 0.50 1.00 15 100 0.6 8.00 0.10 0.150 0.75 X X
1206L075/13.2 G1 0.75 1.50 13.2 100 0.6 8.00 0.20 0.090 0.35 X X
1206L075TH 1G 0.75 1.50 8 100 0.6 8.00 0.20 0.090 0.29 X X
1206L110TH 1H 1.10 2.20 8 100 0.8 8.00 0.10 0.040 0.18 X X
1206L150TH 1K 1.50 3.00 8 100 0.8 8.00 0.30 0.040 0.12 X X
1206L175 V 1.75 3.50 6 100 0.8 8.00 0.50 0.020 0.09 X X
1206L200 L 2.00 3.50 6 100 0.8 8.00 1.50 0.018 0.08 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.
Description
Agency Approvals
AGENCY AGENCY FILE NUMBER
E183209
R50119118
Features
Applications
t3P)4DPNQMJBOUMFBEGSFF
and halogen-free
t
'BTUSFTQPOTFUPGBVMU
currents
t$PNQBDUEFTJHOTBWFT
board space
t-PXSFTJTUBODF
t-PXQSPmMF
t$PNQBUJCMFXJUIIJHI
temperature solders
t64#QFSJQIFSBMT
t%JTLESJWFT
t$%30.T
t1MVHBOEQMBZQSPUFDUJPO
for motherboards and
peripherals
t.PCJMFQIPOFTCBUUFSZ
and port protection
t%JTLESJWFT
t1%"TEJHJUBMDBNFSBT
t(BNFDPOTPMFQPSU
protection
Caution:0QFSBUJPOCFZPOEUIFTQFDJmFESBUJOHNBZSFTVMUJOEBNBHFBOEQPTTJCMFBSDJOHBOEnBNF
1 Some older references to these devices may include “–C“ in the Part Number. The “–C“ should be omitted when placing new orders for the device.
28
Revised: April 24, 2012
POLY-FUSE® Resettable PTCs
© 2012 Littelfuse, Inc.
1206L Series
Surface Mount > 1206L Series
Specifications are subject to change without notice.
Please refer to www.littelfuse.com/series/1206L.html for current information.
Ambient Operation Temperature
-40°C -20°C 0°C 20°C 40°C 50°C 60°C 70°C 85°C
Part Number Hold Current (A)
1206L012 0.18 0.16 0.14 0.125 0.10 0.09 0.08 0.07 0.05
1206L016 0.22 0.20 0.18 0.16 0.14 0.12 0.10 0.09 0.08
1206L020 0.28 0.25 0.23 0.20 0.17 0.15 0.14 0.12 0.09
1206L025 0.37 0.33 0.29 0.25 0.22 0.20 0.17 0.15 0.12
1206L035 0.50 0.45 0.40 0.35 0.30 0.27 0.24 0.21 0.15
1206L035/16 0.50 0.45 0.40 0.35 0.30 0.27 0.24 0.21 0.15
1206L050 0.71 0.64 0.57 0.50 0.42 0.39 0.35 0.31 0.25
1206L050/15 0.71 0.64 0.57 0.50 0.42 0.39 0.35 0.31 0.25
1206L075/13.2 1.14 1.04 0.88 0.75 0.65 0.59 0.54 0.49 0.41
1206L075TH 1.14 1.01 0.88 0.75 0.65 0.59 0.54 0.49 0.41
1206L110TH 1.52 1.37 1.25 1.10 0.92 0.82 0.75 0.64 0.52
1206L150TH 2.18 1.94 1.72 1.50 1.28 1.17 1.06 0.96 0.77
1206L175 2.50 2.25 2.00 1.75 1.55 1.45 1.35 1.25 1.10
1206L200 2.60 2.44 2.35 2.00 1.78 1.67 1.50 1.45 1.10
Temperature Rerating
Temperature Rerating Curve
-40 -30 -20 -10 0 10 20 30 40 50 60 70 80
10%
30%
50%
70%
90%
110%
130%
150%
170%
Temperature (°C)
Percentage of Rated Current
Average Time Current Curves
The average time current curves and Temperature Rerating curve performance is affected
CZBOVNCFSPSWBSJBCMFTBOEUIFTFDVSWFTQSPWJEFEBTHVJEBODFPOMZ$VTUPNFSNVTU
verify the performance in their application.
0.01
0.1
1
10
100
0.1 1 10
Time in Seconds
Current in Amperes
1206L
0.12A
0.16A
0.20A
0.25A
0.35A, 0.35A/15V
0.50A, 0.50A/15V
0.75A
0.75A/13.2V
1.1A
1. 5A
1. 7 5A
2.0A
29
Revised: April 24, 2012
POLY-FUSE® Resettable PTCs
© 2012 Littelfuse, Inc 1206L Series
1206L Series
Surface Mount > 1206L Series
Specifications are subject to change without notice.
Please refer to www.littelfuse.com/series/1206L.html for current information.
Environmental Specifications
Soldering Parameters
Preheating
120
180
220
260
060 to 100
Temperature (°C)
Soldering Cooling
120
50 to 150
Time(s)
Condition Reflow
Peak Temp/ Duration Time 260°C / 10 Sec
Time above liquids (TAL) 220°C 60 Sec ~ 100 Sec
Preheat 120°C~ 180°C 50 Sec ~ 150 Sec
Storage Condition ¡$_¡$3)
t3FDPNNFOEFESFnPXNFUIPET*3WBQPSQIBTFPWFOIPUBJS
PWFO/2 environment for lead–free
t3FDPNNFOEFENBYJNVNQBTUFUIJDLOFTTJTNNJODI
t%FWJDFTDBOCFDMFBOFEVTJOHTUBOEBSEJOEVTUSZNFUIPETBOE
solvents.
Note:*GSFnPXUFNQFSBUVSFTFYDFFEUIFSFDPNNFOEFEQSPmMF
devices may not meet the performance requirements.
Operating/Storage
Temperature -40°C to +85°C
Maximum Device Surface
Temperature in Tripped
State
125°C
Passive Aging ¡$IPVST
UZQJDBMSFTJTUBODFDIBOHF
Humidity Aging ¡$3)IPVST
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Thermal Shock
.*-o45%o.FUIPE(
+85°C/-40°C 20 times
UZQJDBMSFTJTUBODFDIBOHF
Solvent Resistance .*-o45%o.FUIPE
No change
Vibration
.*-o45%o$.FUIPE
Condition A
No change
Moisture Sensivity Level -FWFM+o45%o$
Physical Specifications
Terminal Material Solder-Plated Copper (Solder Material:
Matte Tin (Sn))
Lead Solderability .FFUT&*"4QFDJmDBUJPO34&
ANSI/J-STD-002 Category 3.
30
Revised: April 24, 2012
POLY-FUSE® Resettable PTCs
© 2012 Littelfuse, Inc.
1206L Series
Surface Mount > 1206L Series
Specifications are subject to change without notice.
Please refer to www.littelfuse.com/series/1206L.html for current information.
Dimensions
Part
Number
ABC D E
Inches mm Inches mm Inches mm Inches mm Inches mm
Min Max Min Max Min Max Min Max Min Max Min Max Min Max Min Max Min Max Min Max
1206L012
0.12
0.13
3
3.4
0.06 0.07 1.5 1.8
0.03 0.06 0.65 1.45
0.01 0.03 0.25 0.75 0.002 0.018 0.05 0.45
1206L016 0.03 0.06 0.65 1.45
1206L020 0.02 0.04 0.5 1
1206L025 0.02 0.04 0.5 1
1206L035 0.02 0.03 0.45 0.75
1206L035/16 0.02 0.03 0.45 0.75
1206L050 0.02 0.03 0.45 0.75
1206L050/15 0.02 0.03 0.45 0.75
1206L075/13.2 0.03 0.05 0.75 1.25
1206L075TH 0.02 0.03 0.45 0.75
1206L110TH
0.13 3.4
0.01 0.02 0.30 0.60
1206L150TH 0.02 0.04 0.50 1
1206L175 0.03 0.08 0.80 1.8
1206L200 0.03 0.07 0.80 1.6
C
Top
View
Pad
Layout
Side
View
Bottom
View
1.80 mm
(.071)
1.80 mm
(.071)
1.00 mm
(.040)
D
MARKING CODE VARIES
WITH AMPERAGE RATING
(SEE ELECTRICAL CHARACTERISTICS CHART)
SHOWN IS 1.0 AMP RATING
E
A
B
N
N
31
Revised: April 24, 2012
POLY-FUSE® Resettable PTCs
© 2012 Littelfuse, Inc 1206L Series
1206L Series
Surface Mount > 1206L Series
Specifications are subject to change without notice.
Please refer to www.littelfuse.com/series/1206L.html for current information.
Part Ordering Number System
PACKAGING STYLE
DEVICE SIZE CODE (0.12 x 0.06 inch)
L: LITTELFUSE SURFACE MOUNT PPTC
I HOLD HOLD CURRENT CODE
(Refer to Electrical Characteristics Table)
SPECIAL VOLTAGE RATING ITEM
(Applicable only to 1206L035/16 and 1206L050/15. Refer to
Electrical Characteristics Table for additional information)
QUANTITY CODE: W=3000 Y=4000 P=2000
R: Tape & Reel
SERIES
1206 L xxx /xx TH Y R
LOW PROFILE DEVICE INDICATOR
(Required, for L075, L110 and L150 device orders only.
Refer to “C” in Dimensions section.)
Packaging Options
Part Number Ordering Number Halogen Free I hold (A) I hold Code Packaging Option Quantity Quantity/Pack Code
1206L012 1206L012WR Yes 0.125 012 Tape and Reel 3000 WR
1206L016 1206L016WR Yes 0.16 016 Tape and Reel 3000 WR
1206L020 1206L020YR Yes 0.20 020 Tape and Reel 4000 YR
1206L025 1206L025YR Yes 0.25 025 Tape and Reel 4000 YR
1206L035 1206L035YR Yes 0.35 035 Tape and Reel 4000 YR
1206L035/16 1206L035/16YR Yes 0.35 035 Tape and Reel 4000 YR
1206L050 1206L050YR Yes 0.50 050 Tape and Reel 4000 YR
1206L050/15 1206L050/15YR Yes 0.50 050 Tape and Reel 4000 YR
1206L075/13.2 1206L075/13.2WR Yes 0.75 075 Tape and Reel 3000 WR
1206L075TH 1206L075THYR Yes 0.75 075 Tape and Reel 4000 YR
1206L110TH 1206L110THYR Yes 1.10 110 Tape and Reel 4000 YR
1206L150TH 1206L150THWR Yes 1.50 150 Tape and Reel 3000 WR
1206L175 1206L175PR Yes 1.75 175 Tape and Reel 2000 PR
1206L200 1206L200PR Yes 2.00 200 Tape and Reel 2000 PR
32
Revised: April 24, 2012
POLY-FUSE® Resettable PTCs
© 2012 Littelfuse, Inc.
1206L Series
Surface Mount > 1206L Series
Specifications are subject to change without notice.
Please refer to www.littelfuse.com/series/1206L.html for current information.
TAPE SPECIFICATIONS: EIA-481-1 (mm)
REEL DIMENSIONS:
EIA-481-1 (mm)
Packaging Code “YR”:
1206L020
1206L025
1206L035
1206L035/16
1206L050
1206L050/15
1206L075TH
Packaging Code “WR”:
1206L012
1206L016
1206L110TH
Packaging Code “PR”:
1206L150TH
1206L160
1206L175
1206L200
W8.15+0.15-0.30 8.00+/- 0.30 8.15+0.15-0.30 H16.0+/- 0.2
F3.50+/- 0.05 3.50+/- 0.05 3.50+/- 0.05 W9+/- 0.5
E11.75+/- 0.10 1.75+/- 0.10 1.75+/- 0.10 DØ 60.2+/−0.5
D01.55+/- 0.05 1.55+/- 0.05 1.55+/- 0.05 FØ 13.0+/- 0.5
D11.00 (MIN) 1.00 (MIN) 1.00 (MIN) CØ 178+/- 1.0
P04.00+/- 0.10 4.00+/- 0.10 4.00+/- 0.10 H111+/- 0.5
P14.00+/- 0.10 4.00+/- 0.10 4.00+/- 0.10 W12.5+0.5
P22.00+/- 0.05 2.00+/- 0.05 2.00+/- 0.05 W23.0+0.5
A01.95+/- 0.10 1.95+/- 0.10 1.95+/- 0.10 W34.0+0.5
B03.65+/- 0.10 3.65+/- 0.10 3.65+/- 0.10 W45.0+0.5
T0.25+/- 0.10 0.25+/- 0.10 0.25+/- 0.10
K00.87+/- 0.10 1.30+/- 0.10 1.70+/- 0.10
Leader
min. 390 390 390
Trailer
min. 160 160 160
W
4
W
2
W
3
W
1
F
H1
W
C
D
H
D2
K0B0
A0
T
F
W
E1
P2
D0
P0
P1
Tape and Reel Specifications