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1210L050YR Datasheet, PDF (1/4 Pages) Littelfuse – 1210L Series
POLYFUSE® Resettable PTCs
Surface Mount
1210L Series
Agency Approvals
AGENCY AGENCY FILE NUMBER
E183209
R50082521
Description
The 1206L series device provides surface mount
overcurrent protection for applications where space is at
a premium and resettable protection is desired.
Features
• RoHS compliant and
lead-free
• Fast response to fault
currents
• Compact design saves
board space
• Low resistance
• Low-profile
• Compatible with high
temperature solders
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
Electrical Characteristics
Part Number Marking I hold
I trip
V max
(A) (A) (Vdc)
1210L005
1210L010
1210L020
1210L035
1210L050
1210L075
1210L110
1210L150
A
0.05 0.15 30
B
0.10 0.30 30
C
0.20 0.40 30
E
0.35 0.70
6
F
0.50 1.00 13.2
G
0.75 1.50
6
H
1.10 2.20
6
K
1.50 3.00
6
Maximum Time
I max
(A)
Pd
To Trip
max.
(W) Current Time
(A)
(Sec.)
10 0.60 0.25
1.50
10 0.60 0.50
1.50
10 0.60 8.00
0.02
100 0.60 8.00
0.20
100 0.60 8.00
0.10
100 0.60 8.00
0.10
100 0.60 8.00
0.30
100 0.80 8.00
0.50
Resistance
R min
(Ω)
3.600
1.600
0.800
0.320
0.250
0.130
0.060
0.040
R typ
(Ω)
25.00
7.000
2.900
0.810
0.550
0.290
0.140
0.070
R 1max
(Ω)
50.00
15.00
5.000
1.300
0.900
0.400
0.210
0.110
Agency
Approvals
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 current: minimum current at which the device will trip in 20°C still air.
trip
V = Maximum voltage device can withstand without damage at rated current (I max)
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 = Maximum resistance of device at 20°C measured one hour after tripping or reflow
1max
soldering of 260°C for 20 sec.
Caution: Operation beyond the specified rating may result in damage and possible arcing
and flame.
1210L Series
Specifications are subject to change without notice.

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