POLY-FUSE® Resettable PTCs
Surface Mount > 1206L Series
1206L Series
RoHS
Description
he 1206L Series PTC provides surface mount overcurrent
T
protection for applications where space is at a premium
and resettable protection is desired.
Features
• Low resistance
• Low-profile
• Compatible with high
temperature solders
• RoHS compliant, lead-free
and halogen-free
• Fast response to fault
currents
• Compact design saves
board space
Agency Approvals
Applications
Agency
• Mobile phones - battery
and port protection
• Disk drives
• PDAs / digital cameras
• Game console port
protection
•U
SB peripherals
•D
isk drives
• CD-ROMs
•P
lug and play protection
for motherboards and
peripherals
Agency File Number
E183209
R50119118
Electrical Characteristics
Marking
I hold
(A)
1206L005/60
f6
0.05
0.15
60
10
1206L010/60
n6
0.10
0.25
60
10
1206L012
A
0.125
0.29
30
1206L016
B
0.16
0.37
30
12
C
0.20
0.42
1
D
0.25
0.50
1
Part Number
1206L020
1206L025
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)
0.6
0.25
1.50
3.60
20.00
X
X
0.6
0.50
1.50
1.50
10.00
X
X
100
0.6
1.00
0.20
1.500
6.000
X
X
100
0.6
1.00
0.30
1.200
4.500
X
X
24
100
0.6
8.00
0.10
0.650
2.600
X
X
16
100
0.6
8.00
0.08
0.550
2.300
X
X
1206L035
E
0.35
0.75
6
100
0.6
8.00
0.10
0.300
1.200
X
X
1206L035/16
J
0.35
0.75
16
100
0.6
8.00
0.10
0.300
1.200
X
X
1206L035/30
J3
0.35
0.75
30
100
0.6
8.00
0.10
0.30
1.20
X
X
F
0.50
1.00
6
100
0.6
8.00
0.10
0.150
0.700
X
X
1
1206L050
1206L050/15
M
0.50
1.00
15
100
0.6
8.00
0.10
0.150
0.750
X
X
1206L050/24
F2
0.50
1.00
24
100
0.6
8.00
0.10
0.15
0.75
X
X
1206L075/13.2
G1
0.75
1.50
13.2
100
0.6
8.00
0.20
0.090
0.350
X
X
1206L075/16
GF
0.75
1.50
16
100
0.6
8.00
0.20
0.090
0.2900
X
X
1
G
0.75
1.50
8
100
0.6
8.00
0.20
0.090
0.290
X
X
1
H
1.10
2.20
8
100
0.8
8.00
0.10
0.040
0.210
X
X
1206L075TH
1206L110TH
HF
1.10
2.20
16
100
0.8
8.00
0.10
0.060
0.210
X
X
1206L150TH
1206L110/16
K
1.50
3.00
8
100
0.8
8.00
0.30
0.040
0.120
X
X
1206L175
V
1.75
3.50
6
100
0.8
8.00
0.50
0.020
0.090
X
X
1206L200
L
2.00
3.50
6
100
0.8
8.00
1.50
0.018
0.080
X
X
1
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.
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.
2 Part Number tested and complied with AEC-Q200.
© 2019 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: 09/30/19
POLY-FUSE® Resettable PTCs
Surface Mount > 1206L Series
Temperature Rerating
Ambient Operation Temperature
-40°C
-20°C
0°C
20°C
50°C
60°C
70°C
85°C
1206L005/60
0.076
0.068
0.060
0.050
1206L010/60
0.15
0.14
0.12
0.10
0.043
0.039
0.034
0.030
0.023
0.083
0.074
0.065
0.056
1206L012
0.18
0.16
0.14
0.042
0.125
0.10
0.09
0.08
0.07
1206L016
0.22
0.20
0.05
0.18
0.16
0.14
0.12
0.10
0.09
1206L020
0.28
0.08
0.25
0.23
0.20
0.17
0.15
0.14
0.12
1206L025
0.09
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
1206L035/30
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
Part Number
40°C
Hold Current (A)
1206L050/15
0.71
0.64
0.57
0.50
0.42
0.39
0.35
0.31
0.25
1206L050/24
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
1206L075/16
1.14
1.01
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
1.64
1.46
1.30
1.10
0.92
0.83
0.80
0.65
0.52
1206L110/16
1.64
1.46
1.30
1.10
0.92
0.83
0.80
0.65
0.52
1206L150TH
2.20
1.99
1.77
1.50
1.34
1.23
1.10
1.01
0.84
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
Notes: The temperature rerating data is only for reference, please contact Littelfuse technical support for detail temperature rerating information.
Temperature Rerating Curve
100
170%
150%
1206L
Percentage of Rated Current
0.05A/60V
0.10A/60V
0.12A
0.16A
0.20A
0.25A
0.35A/30V
0.35A, 0.35A/15V
0.50A/24V
5V
0.50A, 0.50A/1
0.75A
0.75A/13.2V
1.1A
1.1A/16V
1.5A
1.75A
2.0A
Average Time Current Curves
130%
110%
90%
70%
50%
30%
Time in Seconds
10
10%
-40 -30 -20
-10
0
10
20 30
40
Temperature (°C)
50
60
70
80
1
Additional Information
0.1
Datasheet
0.01
0.1
1
Resources
Samples
10
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.
© 2019 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: 09/30/19
POLY-FUSE® Resettable PTCs
Surface Mount > 1206L Series
Soldering Parameters
Pb-Free Assembly
Average Ramp-Up Rate (TS(max) to TP)
3°C/second max
Pre Heat:
Time Maintained
Above:
Temperature Min (Ts(min))
150°C
Temperature Max (Ts(max))
200°C
Time (Min to Max) (ts)
60 – 180 secs
Temperature (TL)
217°C
Temperature (tL)
60 – 150 seconds
Peak / Classification Temperature (TP)
260+0/-5 °C
Time within 5°C of actual peak Temperature (tp)
20 – 40 seconds
Ramp-down Rate
6°C/second max
Time 25°C to peak Temperature (TP)
8 minutes Max.
tP
TP
Critical Zone
tL to tP
Ramp-up
TL
TS(max)
Temperature
Profile Feature
tL
Ramp-do
Ramp-down
Preheat
TS(min)
25
tS
time to peak temperature
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/JSTD-002 Category 3.
Environmental Specifications
Operating/Storage
Temperature
-40°C to +85°C
Maximum Device Surface
Temperature in Tripped State
125°C
Passive Aging
+85°C, 1000 hours
-/+5% typical resistance change
Humidity Aging
+85°C, 85%, R.H.,1000 hours
-/+5% typical resistance change
Thermal Shock
MIL–STD–202, Method 107
+85°C/-40°C 20 times
-30% typical resistance change
Solvent Resistance
MIL–STD–202, Method 215
No change
Vibration
MIL–STD–883, Method 2007, Condition
A
No change
Moisture Sensivity Level
Level 1, J–STD–020
© 2019 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: 09/30/19
POLY-FUSE® Resettable PTCs
Surface Mount > 1206L Series
Dimensions
MARKING CODE VARIES
WITH AMPERAGE RATING
(SEE ELECTRICAL CHARACTERISTICS CHART)
SHOWN IS 1.0 AMP RATING
C
A
Top
View
N
Bottom
View
N
Side
View
B
1.80 mm
(.071)
Pad
Layout
D
E
1.80 mm
(.071)
1.00 mm
(.040)
A
Part
Number
Inches
Min
Max
B
mm
Min
Max
Inches
Min
Max
C
mm
Min
Max
1206L005/60
Inches
D
mm
Min
Max
Min
Max
0.03
0.05
0.65
1.25
1206L010/60
0.03
0.05
0.65
1.25
1206L012
0.03
0.06
0.65
1.45
1206L016
0.03
0.06
0.65
1.45
1206L020
0.02
0.04
0.50
1.00
1206L025
0.02
0.04
0.5
1.00
1206L035
0.02
0.03
0.45
0.75
1206L035/16
0.02
0.03
0.45
0.75
1206L035/30
0.02
0.04
0.50
1.00
1206L050
0.02
0.03
0.45
0.75
1206L050/15
0.02
0.03
0.45
0.75
0.03
0.05
0.75
1.25
1206L075/13.2
0.03
0.05
0.75
1.25
1206L075/16
0.03
0.05
0.75
1.25
1206L075TH
0.02
0.03
0.40
0.75
1206L050/24
0.12
0.13
3.00
3.40
0.06
0.07
1.50
1.80
1206L110TH
0.01
0.02
0.30
0.60
1206L110/16
0.03
0.05
0.75
1.25
1206L150TH
0.02
0.04
0.50
1.00
1206L175
0.03
0.08
0.80
1.80
1206L200
0.03
0.07
0.80
1.60
Inches
E
mm
Inches
Min
mm
Min
Max
Min
Max
Max
Min
Max
0.01
0.03
0.25
0.75 0.002 0.018
0.05
0.45
WARNING
• Users shall independently assess the suitability of these devices for each of their applications
• Operation of these devices beyond the stated maximum ratings could result in damage to the devices and lead to electrical arcing and/or fire
• These devices are intended to protect against the effects of temporary over-current or over-temperature conditions and are not intended to perform as protective devices where such
conditions are expected to be repetitive or prolonged in duration
• Exposure to silicon-based oils, solvents, electrolytes, acids, and similar materials can adversely affect the performance of these PPTC devices
• These devices undergo thermal expansion under fault conditions, and thus shall be provided with adequate space and be protected against mechanical stresses
• Circuits with inductance may generate a voltage (L di/dt) above the rated voltage of the PPTC device.
© 2019 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: 09/30/19
POLY-FUSE® Resettable PTCs
Surface Mount > 1206L Series
Part Ordering Number System
1206 L 380 /12 TH Y R - A
-A: Automotive grade
Blank: Standard version
SERIES
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
Packaging Options
Part Number
Ordering Number
Halogen Free
I hold (A)
I hold Code
Packaging Option
Quantity
Quantity/Pack Code
1206L005/60
1206L005/60WR
Yes
0.05
050
Tape and Reel
3000
WR
1206L010/60
1206L010/60WR
Yes
0.10
100
Tape and Reel
3000
WR
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
1206L035/30
1206L035/30WR
Yes
0.35
350
Tape and Reel
3000
WR
1206L050
1206L050YR
Yes
0.50
050
Tape and Reel
4000
YR
1206L050/15
1206L050/15YR
Yes
0.50
050
Tape and Reel
4000
YR
1206L050/24
1206L050/24WR
Yes
0.50
500
Tape and Reel
3000
WR
1206L075/13.2
1206L075/13.2WR
Yes
0.75
075
Tape and Reel
3000
WR
1206L075/16
1206L075/16WR
Yes
0.75
075
Tape and Reel
3,000
WR
1206L075TH
1206L075THYR
Yes
0.75
075
Tape and Reel
4000
YR
1206L110TH
1206L110THYR
Yes
1.10
110
Tape and Reel
4000
YR
1206L110/16
1206L110/16WR
Yes
1.10
110
Tape and Reel
3000
WR
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
© 2019 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: 09/30/19
POLY-FUSE® Resettable PTCs
Surface Mount > 1206L Series
Tape and Reel Specifications
TAPE SPECIFICATIONS: EIA-481-1 (mm)
Packaging Code
“YR”:
1206L020
1206L025
1206L035
1206L035/16
1206L050
1206L050/15
1206L075TH
1206L110TH
Packaging Code “WR”:
1206L005/60
1206L010/60
1206L012
1206L016
1206L035/30
1206L050/24
1206L075/13.2
1206L075/16
1206L110/16
1206L150TH
Packaging Code
“PR”:
1206L175
1206L200
W
8.20+0.10/-0.30
8.15+0.15/-0.30
8.20+0.10/-0.30
C
Ø178+/−1.0
F
3.50+/- 0.05
3.50+/- 0.05
3.50+/- 0.05
D
Ø60.2+/−0.5
E1
1.75+/- 0.10
1.75+/- 0.10
1.75+/- 0.10
H
11.0+/- 0.5
D0
1.55+/- 0.05
1.55+/- 0.05
1.55+/- 0.05
W
9.0+/- 1.5
D1
1.00+/- 0.10
1.00+/- 0.10
1.00+/- 0.10
P0
4.00+/- 0.10
4.00+/- 0.10
4.00+/- 0.10
P1
4.00+/- 0.10
4.00+/- 0.10
4.00+/- 0.10
2.00+/- 0.05
P2
2.00+/- 0.05
2.00+/- 0.05
A0
1.95+/- 0.10
1.92+/- 0.10
1.95+/- 0.10
B0
3.65+/- 0.10
3.65+/- 0.10
3.65+/- 0.10
T
0.20+/- 0.10
0.25+/- 0.10
0.25+/- 0.10
K0
0.87+/- 0.10
1.30+/- 0.10
1.70+/- 0.10
Leader min.
390
390
390
Trailer min.
160
160
160
REEL DIMENSIONS:
EIA-481-1 (mm)
H
D0
P0
P1
E1
P2
D
F
C
W
T
D1
D1
K0
W
B0
Disclaimer Notice - Information furnished is believed to be accurate and reliable. However, users should independently evaluate the suitability of and
test each product selected for their own applications. Littelfuse products are not designed for, and may not be used in, all applications.
Read complete Disclaimer Notice at http://www.littelfuse.com/disclaimer-electronics.
© 2019 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: 09/30/19
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