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1812L150ZR Datasheet, PDF (1/6 Pages) Littelfuse – POLY-FUSE® Resettable PTCs Surface Mount > 1812L Series
POLY-FUSE® Resettable PTCs
Surface Mount > 1812L Series
1812L Series
Agency Approvals
AGENCY AGENCY FILE NUMBER
E183209
R50119118
Description
The 1812L Series PTC provides surface mount overcurrent
protection for applications where resettable protection is
desired.
Features
t3P)4DPNQMJBOU MFBEGSFF
BOEIBMPHFOGSFF
t'BTUSFTQPOTF
t$PNQBDUEFTJHO
t-PXSFTJTUBODF
t-PXQSPmMF
t$PNQBUJCMFXJUIIJHI
temperature solders
Applications
t1MVHBOEQMBZQSPUFDUJPO
for motherboards and
peripherals
t64#QFSJQIFSBMT
t1$*DBSET
t(BNFDPOTPMFQPSU
protection
Electrical Characteristics
Part Number
Marking
I hold
(A)
I trip
V max
I max
(A) (Vdc) (A)
P
d
typ.
(W)
Max. Time To Trip
Current
(A)
Time
(Sec.)
1812L010
LF010 0.10 0.30 30 100 0.8 0.50
1.50
1812L010/60 LF010-60 0.10 0.30 60 10 0.8 0.50
1.50
1812L014
LF014 0.14 0.34 60
10
0.8
1.50
0.15
1812L020
LF020 0.20 0.40 30 100 0.8 8.00
0.02
1812L020/60 LF020-60 0.20 0.40 60
40 0.8
1.00
2.00
1812L035/30 LF035-30 0.35 0.75 30 100 0.8 8.00
0.15
1812L050 1
LF050 0.50 1.00 15 100 0.8 8.00
0.15
1812L050/30 LF050-30 0.50 1.00 30 100 0.8 8.00
0.15
1812L075 1
LF075 0.75 1.50 13.2 100 0.8 8.00
0.20
1812L075/24 LF075-24 0.75 1.50 24 100 0.8 8.00
0.20
1812L075/33 LF075-33 0.75 1.50 33 20 0.8 8.00
0.20
1812L110 1
LF110 1.10 2.20 8 100 0.8 8.00
0.30
1812L110/16 LF110-16 1.10 1.95 16 100 0.8 8.00
0.30
1812L110/24 LF110-24 1.10 1.95 24 20 0.8 8.00
0.50
1812L110/33 LF110-33 1.10 1.95 33 20 0.8 8.00
0.50
1812L125/6
LF125-6 1.25 2.50 6 100 0.8 8.00
0.40
1812L125/16
LF125 1.25 2.50 16 100 0.8 8.00
0.40
1812L150 1
LF150 1.50 3.00 8 100 0.8 8.00
0.30
1812L150/12 LF150-12 1.50 3.00 12 100 0.8 8.00
0.50
1812L150/24 LF150-24 1.50 3.00 24 20 0.8 8.00
1.50
1812L160 1
LF160 1.60 2.80 8 100 0.8 8.00
1.00
1812L160/12 LF160-12 1.60 2.80 12 100 0.8 8.00
1.00
1812L200TH 1
LF200 2.00 3.50
8
100 0.8 8.00
2.00
1812L200/12 LF200-12 2.00 3.50 12 100 1.0 8.00
2.00
1812L260TH 1
LF260 2.60 5.00
8
100 0.8
8.00
2.50
1812L260/12 LF260-12 2.60 5.00 12 100 0.8 8.00
5.00
1812L300
LF300 3.00 5.00 6 100 0.8 8.00
4.00
Resistance
R
min
(Ω)
R
1max
(Ω)
1.600 15.000
1.600 15.000
1.500 6.000
0.800 5.000
1.400 4.400
0.400 1.700
0.150 1.000
0.150 1.000
0.100 0.450
0.110 0.290
0.110 0.400
0.040 0.210
0.060 0.180
0.060 0.200
0.060 0.200
0.050 0.140
0.050 0.140
0.040 0.110
0.040 0.110
0.040 0.120
0.030 0.100
0.030 0.100
0.020 0.070
0.020 0.070
0.015 0.047
0.015 0.055
0.012 0.040
Agency Approvals
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
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
X
X
* hold)PMEDVSSFOUNBYJNVNDVSSFOUEFWJDFXJMMQBTTXJUIPVUUSJQQJOHJO¡$TUJMMBJS
*trip5SJQDVSSFOUNJOJNVNDVSSFOUBUXIJDIUIFEFWJDFXJMMUSJQJO¡$TUJMMBJS
V max.BYJNVNWPMUBHFEFWJDFDBOXJUITUBOEXJUIPVUEBNBHFBUSBUFEDVSSFOU *NBY 
*max.BYJNVNGBVMUDVSSFOUEFWJDFDBOXJUITUBOEXJUIPVUEBNBHFBUSBUFEWPMUBHF 7max
P d1PXFSEJTTJQBUFEGSPNEFWJDFXIFOJOUIFUSJQQFETUBUFBU¡$TUJMMBJS
3min.JOJNVNSFTJTUBODFPGEFWJDFJOJOJUJBM VOTPMEFSFE TUBUF
3UZQ5ZQJDBMSFTJTUBODFPGEFWJDFJOJOJUJBM VOTPMEFSFE TUBUF
31max.BYJNVNSFTJTUBODFPGEFWJDFBU¡$NFBTVSFEPOFIPVSBGUFSUSJQQJOHPSSFnPX
TPMEFSJOHPG¡$GPSTFD
Caution:0QFSBUJPOCFZPOEUIFTQFDJmFESBUJOHNBZSFTVMUJOEBNBHFBOEQPTTJCMFBSDJOHBOEnBNF
14PNFPMEFSSFGFSFODFTUPUIFTFEFWJDFTNBZJODMVEFi–CiJOUIF1BSU/VNCFS5IFi–CiTIPVMECFPNJUUFEXIFOQMBDJOHOFXPSEFSTGPSUIFEFWJDF
© 2012 Littelfuse, Inc
Specifications are subject to change without notice.
Please refer to www.littelfuse.com/series/1812L.html for current information.
39
Revised: June 3, 2012
1812L Series
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