•ꢀ
•ꢀ
•ꢀ
•ꢀ
•ꢀ
USBꢀperipherals
Diskꢀdrives
Mobileꢀphonesꢀ-ꢀbatteryꢀ
andꢀportꢀprotection
•ꢀ
•ꢀ
•ꢀ
Diskꢀdrives
CD-ROMs
PDAsꢀ/ꢀdigitalꢀcameras
Plugꢀandꢀplayꢀprotectionꢀ
forꢀmotherboardsꢀandꢀ
peripherals
Gameꢀconsoleꢀportꢀ
protection
Rꢀ1maxꢀ=ꢀ
Maximumꢀresistanceꢀofꢀdeviceꢀatꢀ20°Cꢀmeasuredꢀoneꢀhourꢀafterꢀtrippingꢀorꢀreflowꢀ
solderingꢀofꢀ260°Cꢀforꢀ20ꢀsec.
POLYFUSE® Resettable PTCs
Surface Mount
1206L Series
Description
Theꢀ1206Lꢀseriesꢀdeviceꢀprovidesꢀsurfaceꢀmountꢀ
overcurrentꢀprotectionꢀforꢀapplicationsꢀwhereꢀspaceꢀisꢀatꢀ
aꢀpremiumꢀandꢀresettableꢀprotectionꢀisꢀdesired.
Features
•ꢀ
•ꢀ
•ꢀ
RoHSꢀcompliantꢀandꢀꢀꢀ
lead-freeꢀ
•ꢀ
•ꢀ
•ꢀ
Lowꢀresistance
Low-profile
Fastꢀresponseꢀtoꢀfaultꢀ
currents
Compatibleꢀwithꢀhighꢀ
temperatureꢀsolders
Compactꢀdesignꢀsavesꢀ
boardꢀspace
Agency Approvals
AGENCY
AGENCY FILE NUMBER
E183209
Applications
R50082521
Electrical Characteristics
Maximum Time
To Trip
Agency
Approvals
Resistance
P d
max.
(W)
I hold
(A)
I trip
(A)
V max
(Vdc)
I max
(A)
Part Number
Marking
R min
(Ω)
R typ
(Ω)
R 1max
(Ω)
Current
(A)
Time
(Sec.)
1206L012
A
B
C
D
E
0.125 0.29
30
30
24
16
6
100
100
100
100
100
100
100
100
100
100
100
100
0.6
0.6
0.6
0.6
0.6
0.6
0.6
0.6
0.6
0.8
0.8
0.8
1.00
1.00
8.00
8.00
8.00
8.00
8.00
8.00
8.00
8.00
8.00
8.00
0.20
0.30
0.10
1.500
1.200
0.650
0.550
0.300
0.300
0.150
0.150
0.090
0.055
0.040
0.040
3.600
2.800
1.550
1.400
0.750
0.750
0.400
0.400
0.200
0.110
0.110
0.080
6.000
4.500
2.600
2.300
1.200
1.200
0.700
0.750
0.290
0.210
0.180
0.120
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
1206L016
0.16
0.20
0.25
0.35
0.35
0.50
0.50
0.75
1.00
1.10
1.50
0.37
0.42
0.50
0.75
0.75
1.00
1.00
1.50
1.80
2.20
3.00
1206L020-C
1206L025-C
1206L035-C
1206L035/16
1206L050-C
1206L050/15
1206L075-C
1206L100
0.08
0.10
0.10
0.10
0.10
0.20
0.30
0.30
1.00
J
16
6
F
M
G
N
H
K
15
6
6
1206L110-C
1206L150-C
6
6
Iꢀholdꢀ=ꢀHoldꢀcurrent:ꢀmaximumꢀcurrentꢀdeviceꢀwillꢀpassꢀwithoutꢀtrippingꢀinꢀ20°Cꢀstillꢀair.ꢀ
Iꢀtripꢀ=ꢀTripꢀcurrent:ꢀminimumꢀcurrentꢀatꢀwhichꢀtheꢀdeviceꢀwillꢀtripꢀinꢀ20°Cꢀstillꢀair.
Vꢀmaxꢀ=ꢀMaximumꢀvoltageꢀdeviceꢀcanꢀwithstandꢀwithoutꢀdamageꢀatꢀratedꢀcurrentꢀ(Iꢀmax)ꢀ
Rꢀtypꢀ=ꢀTypicalꢀresistanceꢀofꢀdeviceꢀinꢀinitialꢀ(un-soldered)ꢀstate.
Caution:ꢀOperationꢀbeyondꢀtheꢀspecifiedꢀratingꢀmayꢀresultꢀinꢀdamageꢀandꢀpossibleꢀarcingꢀ
andꢀflame.
Iꢀmaxꢀ=ꢀMaximumꢀfaultꢀcurrentꢀdeviceꢀcanꢀwithstandꢀwithoutꢀdamageꢀatꢀratedꢀvoltageꢀ(Vmax
Pꢀdꢀ=ꢀPowerꢀdissipatedꢀfromꢀdeviceꢀwhenꢀinꢀtheꢀtrippedꢀstateꢀatꢀ20°Cꢀstillꢀair.
Rꢀminꢀ=ꢀMinimumꢀresistanceꢀofꢀdeviceꢀinꢀinitialꢀ(un-soldered)ꢀstate.
)
ꢄꢀ0ꢃL Series
ꢃ
www.littelfuse.com
Specifications are subject to change without notice.
Electronics Designers Guide
©2006 Littelfuse