Littelfuse 1210L User Manual
POLY-FUSE® Resettable PTCs
Surface Mount > 1210L Series
1210L Series
Agency Approvals
AGENCY AGENCY FILE NUMBER
E183209
R50119118
RoHS
Description
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
• Low resistance
• Low-prole
• Compatible with high
temperature solders
• Compact design saves
board space
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
1210L Series
Electrical Characteristics
Maximum Time
Part Number Marking
I
hold
(A)
I
V
(A)
trip
(Vdc)
max
I
(A)
max
P d
typ.
(W)
To Trip
Current
(A)
Time
(Sec.)
1210L005 A 0.05 0.15 30 10 0.60 0.25 1.50 3.600 50.00
1210L010 B 0.10 0.30 30 10 0.60 0.50 1.50 1.600 15.00
1210L020 C 0.20 0.40 30 10 0.60 8.00 0.02 0.800 5.000
1210L035 E 0.35 0.70 6 100 0.60 8.00 0.20 0.320 1.300
1210L050 F 0.50 1.0 0 13.2 100 0.60 8.00 0.05 0.250 0.900
1210L075 G 0.75 1.50 6 100 0.60 8.00 0.10 0.130 0.400
1210L075/24 G2 0.75 1.50 24 100 0.60 8.00 0.10 0.130 0.400
1210L110/12 H1 1. 10 2.20 12 100 0.6 8.00 0.10 0.060 0.210
1210L110/16 HF 1. 10 2.20 16 100 0.6 8.00 0.10 0.060 0.210
1210L110TH H 1. 10 2.20 8 100 0.60 8.00 0.10 0.060 0.210
1210L150TH K 1.50 3.00 6 10 0 0.80 8.00 0.30 0.040 0.110
1210L175 V 1.75 3.50 6 10 0 0.80 8.00 0.60 0.020 0.080
1210L200 L 2.00 4.00 6 10 0 0.80 8.00 1. 00 0.015 0.070
I
= Hold current: maximum current device will pass without tripping in 20°C still air.
hold
= Trip current: minimum current at which the device will trip in 20°C still air.
I
trip
= Maximum voltage device can withstand without damage at rated current (I max)
V
max
= Maximum fault current device can withstand without damage at rated voltage (V
I
max
Caution: Operation beyond the specied rating may result in damage and possible arcing and ame.
P d = Power dissipated from device when in the tripped state at 20°C still air.
= Minimum resistance of device in initial (un-soldered) state.
R
min
= Typical resistance of device in initial (un-soldered) state.
R
typ
)
max
= Maximum resistance of device at 20°C measured one hour after tripping or reflow
R
1max
soldering of 260°C for 20 sec.
Resistance
R
min
(Ω)
Agency
Approvals
R
1max
(Ω)
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
© 2013 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: 11/05/13
POLY-FUSE® Resettable PTCs
0.01
0.1
1
10
100
1000
10000
100000
0.1 110100
Current in Amperes
Time in Seconds
1812L
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
11
Surface Mount > 1210L Series
Temperature Rerating
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)
1210L005 0.08 0.07 0.06 0.05 0.04 0.04 0.03 0.03 0.02
1210L010 0.16 0.14 0.12 0.10 0.08 0.07 0.06 0.05 0.03
1210L020 0.29 0.26 0.22 0.20 0.16 0.14 0.13 0.11 0.08
1210L035 0.47 0.45 0.40 0.35 0.33 0.28 0.24 0.21 0.18
1210L050 0.76 0.67 0.58 0.50 0.43 0.40 0.36 0.32 0.28
1210L075 1. 0 0 0.97 0.86 0.75 0.64 0.59 0.54 0.48 0.40
1210L075/24 1. 1 3 1. 0 0 0.88 0.75 0.61 0.54 0.47 0.41 0.35
1210L110/12 1.65 1.47 1.27 1. 10 0.92 0.83 0.73 0.63 0.52
1210L110/16 1.65 1.47 1.27 1. 10 0.92 0.83 0.73 0.63 0.52
1210L110TH 1.69 1.48 1.29 1. 10 0.88 0.76 0.65 0.57 0.43
1210L150TH 2.13 1.92 1.71 1.50 1.26 1. 1 4 1. 01 0.89 0.71
1210L175 2.42 2.22 1.98 1.75 1.52 1.35 1.23 1.05 0.84
1210L200 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.
Average Time Current Curves
0.05A
0.10A
0.20A
0.35A
0.50A
0.75A
0.75A/24
1. 10 A
1.50A
1.75A
2.00A
100
10
1
Time in Seconds
0.1
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.
1210L
0
Temperature Rerating Curve
170%
150%
130%
110%
90%
70%
50%
Percentage of Rated Current
30%
10%
-40 -30 -20 -10010 20 30 40 50 60 70 80 85
Temperature (°C)
Specifications are subject to change without notice.
© 2013 Littelfuse, Inc.
Revised: 11/05/13
Loading...