POLY-FUSE
®
Resettable PTCs
Surface Mount > 1210L Series
1210L Series
Description
RoHS
The 1210L Series PTC provides surface mount overcurrent
protection for applications where space is at a premium
and resettable protection is desired.
Features
• RoHS compliant, lead-free
and halogen-free
• Fast response to fault
currents
• Compact design saves
board space
AGENCY FILE NUMBER
• Low resistance
• Low-profile
• Compatible with high
temperature solders
Agency Approvals
AGENCY
Applications
• USB peripherals
• Disk drives
• CD-ROMs
• PC motherboards - plug
and play protection
• Mobile phones - battery
and port protection
• PDAs / digital cameras
• Game console port
protection
E183209
R50119118
Additional Information
Datasheet
Resources
Samples
Electrical Characteristics
I
hold
(A)
0.05
0.10
0.20
0.35
0.35
0.50
0.50
0.75
0.75
1.10
1.10
1.10
1.50
1.50
1.75
2.00
I
trip
(A)
0.15
0.30
0.40
0.70
0.70
1.00
1.00
1.50
1.50
2.20
2.20
2.20
3.00
3.00
3.50
4.00
V
max
(Vdc)
30
30
30
6
30
13.2
30
6
24
12
16
8
16
6
6
6
I
max
(A)
10
10
10
100
40
100
40
100
100
100
100
100
100
100
100
100
P
d
typ.
(W)
0.60
0.60
0.60
0.60
0.60
0.60
0.60
0.60
0.60
0.6
0.6
0.60
0.80
0.80
0.80
0.80
Maximum Time
To Trip
Current
(A)
0.25
0.50
8.00
8.00
8.00
8.00
8.00
8.00
8.00
8.00
8.00
8.00
8.00
8.00
8.00
8.00
Time
(Sec.)
1.50
1.50
0.02
0.20
0.20
0.05
0.15
0.10
0.10
0.10
0.10
0.10
0.30
0.30
0.60
1.00
Resistance
R
min
(Ω)
3.600
1.600
0.800
0.320
0.320
0.250
0.220
0.130
0.130
0.060
0.060
0.060
0.040
0.040
0.020
0.015
R
1max
(Ω)
50.00
15.00
5.000
1.300
1.300
0.900
0.900
0.400
0.400
0.210
0.210
0.210
0.110
0.110
0.080
0.070
Agency
Approvals
Part Number
1210L005
1210L010
1210L020
1210L035
1210L035/30
1210L050
1210L050/30
1210L075
1210L075/24
1210L110/12
1210L110/16
1210L110TH
1210L150/16
1210L150TH
1210L175
1210L200
Marking
A
B
C
E
E3
F
F3
G
G2
H1
HF
H
KF
K
V
L
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 (V
max
)
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.
© 2017 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: 03/22/17
POLY-FUSE
®
Resettable PTCs
Surface Mount > 1210L Series
Temperature Rerating
Ambient Operation Temperature
-40°C
Part Number
1210L005
1210L010
1210L020
1210L035
1210L035/30
1210L050
1210L050/30
1210L075
1210L075/24
1210L110/12
1210L110/16
1210L110TH
1210L150/16
1210L150TH
1210L175
1210L200
0.08
0.16
0.29
0.47
0.53
0.76
0.75
1.00
1.00
1.65
1.65
1.60
2.19
2.30
2.45
2.60
0.07
0.14
0.26
0.45
0.46
0.67
0.67
0.97
0.97
1.47
1.47
1.42
1.97
2.02
2.22
2.44
0.06
0.12
0.22
0.40
0.42
0.58
0.59
0.86
0.86
1.27
1.27
1.26
1.74
1.76
2.01
2.35
0.05
0.10
0.20
0.35
0.35
0.50
0.50
0.75
0.75
1.10
1.10
1.10
1.50
1.50
1.75
2.00
-20°C
0°C
20°C
40°C
Hold Current (A)
0.04
0.08
0.16
0.33
0.30
0.43
0.42
0.64
0.64
0.92
0.92
0.94
1.31
1.24
1.45
1.78
0.04
0.07
0.14
0.28
0.26
0.40
0.39
0.59
0.59
0.83
0.83
0.86
1.17
1.11
1.26
1.67
0.03
0.06
0.13
0.24
0.25
0.36
0.36
0.54
0.54
0.73
0.73
0.80
1.05
1.00
1.10
1.50
0.03
0.05
0.11
0.21
0.22
0.32
0.31
0.48
0.48
0.63
0.63
0.70
0.93
0.85
0.98
1.45
0.02
0.03
0.08
0.18
0.19
0.28
0.25
0.40
0.40
0.52
0.52
0.58
0.78
0.65
0.80
1.10
50°C
60°C
70°C
85°C
Note:
The temperature rerating data is only for reference, please contact Littelfuse technical support for detail temperature rerating information.
Average Time Current Curves
0.05A
0.10A
0.20A
0.35A
0.35A/30
0.50A
0.50A/30
0.75A
0.75A/24
1.10A
1.50A
1.50A/16
1.75A
2.00A
Temperature Rerating Curve
170%
150%
Percentage of Rated Current
130%
110%
90%
70%
1000
10000
0.10A
0.14A
0.20A
0.50A
0.75A/33V
0.75A/24V
0.75A
1.10A/16V
1.10A/33V
1.10A
1.25A
1.25A/6V
1.50A/12V
1.50A
1.50A/24V
1.60A/12V
1.60A
1.60A/8V
2.00A
2.60A
100000
1812L
100.00
1210L
Time in Seconds
10.00
30%
10%
-40
Time in Seconds
50%
100
-30 -20
-10
10
0
10
1.00
20 30
40
Temperature (°C)
50
60
70
80 85
Note:
Typical Temperature rerating curve, refer to table for derating data
1
0.10
0.1
0.01
0.10
1.00
10.00
0.01
0.1
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.
Current in Amperes
1
10
100
0.05A
0.10A
0.20A
0.35A
0.50A
0.75A
1.10A
1.50A
1.75A
2.00A
10000
© 2017 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: 03/22/17
1000
1210L OLD
POLY-FUSE
®
Resettable PTCs
Surface Mount > 1210L Series
Soldering Parameters
Profile Feature
Average Ramp-Up Rate (T
S(max)
to T
P
)
Temperature Min (T
s(min)
)
Pb-Free Assembly
3°C/second max
150°C
200°C
T
P
T
L
Ramp-up
t
P
Critical Zone
t
L
to t
P
Pre Heat:
Temperature Max (T
s(max)
)
Time (Min to Max) (t
s
)
T
S(max)
t
L
Ramp-do
Ramp-down
Preheat
Time Maintained
Temperature (T
L
)
Above:
Temperature (t
L
)
Peak / Classification Temperature (T
P
)
Time within 5°C of actual peak
Temperature (t
p
)
Ramp-down Rate
Time 25°C to peak Temperature (T
P
)
217°C
60 – 150 seconds
260
+0/-5
°C
20 – 40 seconds
6°C/second max
8 minutes Max.
Temperature
60 – 180 secs
T
S(min)
25
t
S
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, N
2
environment
for lead
-- Recommended maximum paste thickness is 0.25mm (0.010inch)
-- Devices can be cleaned using standard 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/Storage
Temperature
Maximum Device Surface
Temperature in Tripped
State
Passive Aging
Humidity Aging
-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–202, Method 107
+85°C/-40°C, 20 times
-30% typical resistance change
MIL–STD–202, Method 215
No change
MIL–STD–883, Method 2007
,
Condition A
No change
Level 1, J–STD–020
Thermal Shock
Solvent Resistance
Vibration
Moisture Level Sensitivity
© 2017 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: 03/22/17
POLY-FUSE
®
Resettable PTCs
Surface Mount > 1210L Series
Dimensions
MARKING CODE VARIES
WITH AMPERAGE RATING
(See Electrical Characteristics Table)
SHOWN IS 1.5AMP RATING
A
C
Top
View
K
K
D
B
Side
View
Bottom
View
Pad
Layout
E
1.00 mm
(.040)
2.00 mm
(.079)
2.50 mm
(.098)
Part
Number
1210L005
1210L010
1210L020
1210L035
1210L050
1210L075
A
Inches
Min
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
0.14
0.14
0.14
0.14
mm
3.0
3.0
3.0
3.0
3.0
3.0
3.0
3.0
3.0
3.0
3.0
3.0
3.0
Inches
B
mm
Inches
C
mm
0.75
0.75
0.60
0.75
0.75
Inches
D
mm
Inches
Min
Min Max Min Max Min Max
E
mm
Max Min Max
Max Min Max Min Max Min Max Min Max
3.43 0.09 0.11
3.43 0.09 0.11
3.43 0.09 0.11
3.43 0.09 0.11
3.43 0.09 0.11
3.43 0.09 0.11
3.43 0.09 0.11
3.43 0.09 0.11
3.43 0.09 0.11
3.43 0.09 0.11
3.43 0.09 0.11
3.43 0.09 0.11
3.43 0.09 0.11
2.35 2.80 0.03 0.05
2.35 2.80 0.03 0.05
2.35 2.80 0.02 0.04
2.35 2.80 0.02 0.03
2.35 2.80 0.03 0.05
2.35 2.80 0.02 0.03
2.35 2.80 0.03 0.05
2.35 2.80 0.02 0.03
2.35 2.80 0.05 0.07
2.35 2.80 0.03 0.05
2.35 2.80 0.03 0.05
2.35 2.80 0.04 0.05
2.35 2.80 0.03 0.05
2.35 2.80 0.03 0.07
2.35 2.80 0.02 0.04
2.35 2.80 0.03 0.06
1.25 0.01 0.03 0.25 0.75 0.004 0.02 0.10 0.50
1.25 0.01 0.03 0.25 0.75 0.004 0.02 0.10 0.50
1.00 0.01 0.03 0.25 0.75 0.004 0.02 0.10 0.50
1.25 0.01 0.03 0.25 0.75 0.004 0.02 0.10 0.50
1.25 0.01 0.03 0.25 0.75 0.004 0.02 0.10 0.50
0.50 0.85 0.01 0.03 0.25 0.75 0.004 0.02 0.10 0.50
0.50 0.85 0.01 0.03 0.25 0.75 0.004 0.02 0.10 0.50
0.50 0.85 0.01 0.03 0.25 0.75 0.004 0.02 0.10 0.50
1.20 1.80 0.01 0.03 0.25 0.75 0.004 0.02 0.10 0.50
0.75
0.75
0.75
0.75
0.60
0.80
1.25 0.01 0.03 0.25 0.75 0.004 0.02 0.10 0.50
1.25 0.01 0.03 0.25 0.75 0.004 0.02 0.10 0.50
1.25 0.01 0.03 0.25 0.75 0.004 0.02 0.10 0.50
1.07 0.01 0.03 0.25 0.75 0.004 0.02 0.10 0.50
1.00 0.01 0.03 0.25 0.75 0.004 0.02 0.10 0.50
1.60 0.01 0.03 0.25 0.75 0.004 0.02 0.10 0.50
1210L035/30 0.12
1210L050/30 0.12
1210L075/24 0.12
1210L110/12 0.12
1210L110/16 0.12
1210L110TH 0.12
1210L150/16 0.12
1210L150TH 0.12
1210L175
1210L200
0.12
0.12
0.14 3.00 3.43 0.09 0.11
0.14 3.00 3.43 0.09 0.11
0.30 0.71 0.01 0.03 0.25 0.75 0.004 0.02 0.10 0.50
0.14 3.00 3.43 0.09 0.11
Part Ordering Number System
1210 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
© 2017 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: 03/22/17
POLY-FUSE
®
Resettable PTCs
Surface Mount > 1210L Series
Packaging Options
Part Number
Ordering
Number
Halogen Free
I
hold
(A)
I
hold
Code
005
010
020
035
035
050
050
075
075
110
110
110
150
150
175
200
Packaging Option
Quantity
Quantity & Packaging
Codes
1210L005
1210L010
1210L020
1210L035
1210L035/30
1210L050
1210L050/30
1210L075
1210L075/24
1210L110/12
1210L110/16
1210L110TH
1210L150/16
1210L150TH
1210L175
1210L200
1210L005WR
1210L010WR
1210L020WR
1210L035YR
1210L035/30WR
1210L050YR
1210L050/30WR
1210L075YR
1210L075/24PR
1210L110/12WR
1210L110/16WR
1210L110THYR
1210L150/16WR
1210L150THWR
1210L175WR
1210L200PR
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
0.05
0.10
0.20
0.35
0.35
0.50
0.50
0.75
0.75
1.10
1.10
1.10
1.50
1.50
1.75
2.00
Tape and Reel
Tape and Reel
Tape and Reel
Tape and Reel
Tape and Reel
Tape and Reel
Tape and Reel
Tape and Reel
Tape and Reel
Tape and Reel
Tape and Reel
Tape and Reel
Tape and Reel
Tape and Reel
Tape and Reel
Tape and Reel
3000
3000
3000
4000
3,000
4000
3,000
4000
2000
3,000
3,000
4000
3,000
3000
3000
2000
WR
WR
WR
YR
WR
YR
WR
YR
PR
WR
WR
YR
WR
WR
WR
PR
Tape and Reel Specifications
TAPE SPECIFICATIONS: EIA-481-1 (mm)
Packaging Code “YR”:
1210L035
1210L050
1210L075
1210L110TH
Packaging Code “WR”:
1210L005
1210L010
1210L020
1210L035/30
1210L050/30
1210L110/12
1210L110/16
1210L150/16
1210L150TH
1210L175
8.00+/- 0.30
3.50+/- 0.05
1.75+/- 0.10
1.55+/- 0.05
1.00 (min)
4.00+/- 0.10
4.00+/- 0.10
2.00+/- 0.05
2.82+/- 0.10
3.50+/- 0.10
0.20+/- 0.10
1.30+/- 0.10
390
160
Packaging Code “PR”:
1210L200
Packaging Code “PR”:
1210L075/24
REEL DIMENSIONS:
EIA-481-1 (mm)
W
F
E
1
D
0
D
1
P
0
P
1
P
2
A
0
B
0
T
K
0
Leader min.
Trailer min.
8.00+/- 0.30
3.50+/- 0.05
1.75+/- 0.10
1.55+/- 0.05
1.00 (min)
4.00+/- 0.10
4.00+/- 0.10
2.00+/- 0.05
2.82+/- 0.10
3.46+/- 0.10
0.25+/- 0.10
1.00+/- 0.10
390
160
8.00+/- 0.30
3.50+/- 0.05
1.75+/- 0.10
1.55+/- 0.05
1.00 (min)
4.00+/- 0.10
4.00+/- 0.10
2.00+/- 0.05
2.80+/- 0.10
3.50+/- 0.10
0.25+/- 0.10
1.60+/- 0.10
390
160
8.00+/- 0.30
3.50+/- 0.05
1.75+/- 0.10
1.55+/- 0.05
1.00+0.25/- 0
4.00+/- 0.10
4.00+/- 0.10
2.00+/- 0.05
2.80+/- 0.10
3.55+/- 0.10
0.25+/- 0.10
1.75+/- 0.10
390
160
C
D
H
W
Ø178+/- 1.0
Ø60.2+/- 0.5
11.0+/- 0.05
9.0+/- 1.5
© 2017 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: 03/22/17
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