1812L110/24DR - Littelfuse - Datasheet.Directory

Revised: June 3, 2012

POLY-FUSE® Resettable PTCs

1812L Series

Surface Mount > 1812L Series

1812L Series

Speciﬁcations are subject to change without notice.

Please refer to www.littelfuse.com/series/1812L.html for current information.

1812L Series

The 1812L Series PTC provides surface mount overcurrent

protection for applications where resettable protection is

desired.

Electrical Characteristics

Part Number Marking I hold

(A)

I trip

(A)

V max

(Vdc)

I max

(A)

P d

typ.

(W)

Max. Time To Trip Resistance Agency Approvals

Current

(A)

Time

(Sec.)

R min

(Ω)

R 1max

(Ω)

1812L010 LF010 0.10 0.30 30 100 0.8 0.50 1.50 1.600 15.000 XX

1812L010/60 LF010-60 0.10 0.30 60 10 0.8 0.50 1.50 1.600 15.000 XX

1812L014 LF014 0.14 0.34 60 10 0.8 1.50 0.15 1.500 6.000 XX

1812L020 LF020 0.20 0.40 30 100 0.8 8.00 0.02 0.800 5.000 XX

1812L020/60 LF020-60 0.20 0.40 60 40 0.8 1.00 2.00 1.400 4.400 XX

1812L035/30 LF035-30 0.35 0.75 30 100 0.8 8.00 0.15 0.400 1.700 XX

1812L050 1LF050 0.50 1.00 15 100 0.8 8.00 0.15 0.150 1.000 XX

1812L050/30 LF050-30 0.50 1.00 30 100 0.8 8.00 0.15 0.150 1.000 XX

1812L075 1LF075 0.75 1.50 13.2 100 0.8 8.00 0.20 0.100 0.450 XX

1812L075/24 LF075-24 0.75 1.50 24 100 0.8 8.00 0.20 0.110 0.290 XX

1812L075/33 LF075-33 0.75 1.50 33 20 0.8 8.00 0.20 0.110 0.400 XX

1812L110 1LF110 1.10 2.20 8 100 0.8 8.00 0.30 0.040 0.210 XX

1812L110/16 LF110-16 1.10 1.95 16 100 0.8 8.00 0.30 0.060 0.180 XX

1812L110/24 LF110-24 1.10 1.95 24 20 0.8 8.00 0.50 0.060 0.200 XX

1812L110/33 LF110-33 1.10 1.95 33 20 0.8 8.00 0.50 0.060 0.200 XX

1812L125/6 LF125-6 1.25 2.50 6 100 0.8 8.00 0.40 0.050 0.140 XX

1812L125/16 LF125 1.25 2.50 16 100 0.8 8.00 0.40 0.050 0.140 XX

1812L150 1LF150 1.50 3.00 8 100 0.8 8.00 0.30 0.040 0.110 XX

1812L150/12 LF150-12 1.50 3.00 12 100 0.8 8.00 0.50 0.040 0.110 XX

1812L150/24 LF150-24 1.50 3.00 24 20 0.8 8.00 1.50 0.040 0.120 XX

1812L160 1LF160 1.60 2.80 8 100 0.8 8.00 1.00 0.030 0.100 XX

1812L160/12 LF160-12 1.60 2.80 12 100 0.8 8.00 1.00 0.030 0.100 XX

1812L200TH 1LF200 2.00 3.50 8 100 0.8 8.00 2.00 0.020 0.070 XX

1812L200/12 LF200-12 2.00 3.50 12 100 1.0 8.00 2.00 0.020 0.070 XX

1812L260TH 1LF260 2.60 5.00 8 100 0.8 8.00 2.50 0.015 0.047 XX

1812L260/12 LF260-12 2.60 5.00 12 100 0.8 8.00 5.00 0.015 0.055 XX

1812L300 LF300 3.00 5.00 6 100 0.8 8.00 4.00 0.012 0.040 XX

Description

Applications

t1MVHBOEQMBZQSPUFDUJPO

for motherboards and

peripherals

t64#QFSJQIFSBMT

t1$*DBSET

t(BNFDPOTPMFQPSU

protection

Agency Approvals

AGENCY AGENCY FILE NUMBER

E183209

R50119118

Features

t3P)4DPNQMJBOUMFBEGSFF

BOEIBMPHFOGSFF

t'BTUSFTQPOTF

t$PNQBDUEFTJHO

t-PXSFTJTUBODF

t-PXQSPmMF

t$PNQBUJCMFXJUIIJHI

temperature solders

* hold)PMEDVSSFOUNBYJNVNDVSSFOUEFWJDFXJMMQBTTXJUIPVUUSJQQJOHJO¡$TUJMMBJS

*trip5SJQDVSSFOUNJOJNVNDVSSFOUBUXIJDIUIFEFWJDFXJMMUSJQJO¡$TUJMMBJS

V max.BYJNVNWPMUBHFEFWJDFDBOXJUITUBOEXJUIPVUEBNBHFBUSBUFEDVSSFOU*NBY

*max.BYJNVNGBVMUDVSSFOUEFWJDFDBOXJUITUBOEXJUIPVUEBNBHFBUSBUFEWPMUBHF7max

P d1PXFSEJTTJQBUFEGSPNEFWJDFXIFOJOUIFUSJQQFETUBUFBU¡$TUJMMBJS

3min.JOJNVNSFTJTUBODFPGEFWJDFJOJOJUJBMVOTPMEFSFETUBUF

3UZQ5ZQJDBMSFTJTUBODFPGEFWJDFJOJOJUJBMVOTPMEFSFETUBUF

31max.BYJNVNSFTJTUBODFPGEFWJDFBU¡$NFBTVSFEPOFIPVSBGUFSUSJQQJOHPSSFnPX

TPMEFSJOHPG¡$GPSTFD

Caution:0QFSBUJPOCFZPOEUIFTQFDJmFESBUJOHNBZSFTVMUJOEBNBHFBOEQPTTJCMFBSDJOHBOEnBNF

14PNFPMEFSSFGFSFODFTUPUIFTFEFWJDFTNBZJODMVEFi–CiJOUIF1BSU/VNCFS5IFi–CiTIPVMECFPNJUUFEXIFOQMBDJOHOFXPSEFSTGPSUIFEFWJDF

Revised: June 3, 2012

POLY-FUSE® Resettable PTCs

Surface Mount > 1812L Series

1812L Series

Speciﬁcations are subject to change without notice.

Please refer to www.littelfuse.com/series/1812L.html for current information.

Ambient Operation Temperature

¡$ ¡$ ¡$ ¡$ ¡$ ¡$ ¡$ ¡$ ¡$

Part Number Hold Current (A)

1812L010 0.16 0.14 0.12 0.10 0.08 0.07 0.06 0.05 0.03

1812L010/60 0.14 0.13 0.11 0.10 0.09 0.08 0.07 0.07 0.05

1812L014 0.23 0.19 0.17 0.14 0.12 0.10 0.09 0.08 0.06

1812L020 0.29 0.26 0.23 0.20 0.17 0.15 0.14 0.12 0.10

1812L020/60 0.30 0.27 0.23 0.20 0.17 0.14 0.13 0.11 0.08

1812L035/30 0.50 0.45 0.40 0.35 0.30 0.26 0.24 0.20 0.16

1812L050 0.77 0.68 0.59 0.50 0.44 0.40 0.37 0.33 0.29

1812L050/30 0.77 0.68 0.59 0.50 0.44 0.40 0.37 0.33 0.29

1812L075 1.15 1.01 0.88 0.75 0.65 0.60 0.55 0.49 0.43

1812L075/24 1.06 0.95 0.84 0.75 0.60 0.55 0.50 0.45 0.37

1812L075/33 1.10 1.00 0.88 0.75 0.66 0.60 0.56 0.47 0.36

1812L110 1.59 1.43 1.26 1.10 0.95 0.87 0.80 0.71 0.60

1812L110/16 1.58 1.43 1.27 1.10 0.95 0.85 0.77 0.71 0.58

1812L110/24 1.55 1.40 1.25 1.10 0.93 0.83 0.73 0.63 0.50

1812L110/33 1.55 1.40 1.25 1.10 0.93 0.83 0.73 0.63 0.50

1812L125/6 2.00 1.75 1.52 1.25 1.00 0.95 0.90 0.75 0.53

1812L125/16 2.00 1.75 1.52 1.25 1.00 0.95 0.90 0.75 0.53

1812L150 2.06 1.93 1.79 1.50 1.28 1.10 1.02 0.80 0.68

1812L150/12 2.04 1.88 1.68 1.50 1.25 1.10 1.00 0.80 0.60

1812L150/24 2.05 1.87 1.67 1.50 1.25 1.08 0.95 0.77 0.60

1812L160 2.20 2.06 1.91 1.60 1.36 1.17 1.09 0.85 0.72

1812L160/12 2.20 2.06 1.91 1.60 1.36 1.17 1.09 0.85 0.72

1812L200TH 2.60 2.44 2.22 2.00  1.67 1.50 1.45 1.29

1812L200/12 2.82 2.60 2.36 2.00 1.74 1.44 1.40 1.20 1.00

1812L260TH 3.40 3.16 3.00 2.60 2.30 2.15 2.00 1.85 1.63

1812L260/12 3.40 3.16 3.00 2.60 2.30 2.15 2.00 1.85 1.63

1812L300 4.13 3.75 3.30 3.00 2.61 2.43 2.25 2.00 1.78

Temperature Rerating

Temperature Rerating Curve

-40 -30 -20 -10 0 10 20 30 40 5060708085

10%

30%

50%

70%

90%

110 %

130%

150%

170%

Temperature (°C)

Percentage of Rated Current

Environmental Speciﬁcations

Operating/Storage Temp. ¡$UP¡$

Max. Device Surface Temp.

in Tripped State ¡$

Passive Aging ¡$IPVST

UZQJDBMSFTJTUBODFDIBOHF

Humidity Aging ¡$3)IPVST

UZQJDBMSFTJTUBODFDIBOHF

Thermal Shock

.*-o45%o.FUIPE(

¡$¡$UJNFT

UZQJDBMSFTJTUBODFDIBOHF

Solvent Resistance .*-o45%o.FUIPE

/PDIBOHF

Vibration .*-o45%o$.FUIPE

$POEJUJPO"/PDIBOHF

Moisture Level Sesitivity -FWFM+o45%o$

Physical Speciﬁcations

Terminal Material 4PMEFS1MBUFE$PQQFS4PMEFS.BUFSJBM

.BUUF5JO4O

Lead Solderability .FFUT&*"4QFDJmDBUJPO34&"/4*

+45%$BUFHPSZ

Revised: June 3, 2012

POLY-FUSE® Resettable PTCs

1812L Series

Surface Mount > 1812L Series

1812L Series

Speciﬁcations are subject to change without notice.

Please refer to www.littelfuse.com/series/1812L.html for current information.

Average Time Current Curves

5IFBWFSBHFUJNFDVSSFOUDVSWFTBOE5FNQFSBUVSF3FSBUJOHDVSWFQFSGPSNBODFJTBGGFDUFE

CZBOVNCFSPSWBSJBCMFTBOEUIFTFDVSWFTQSPWJEFEBTHVJEBODFPOMZ$VTUPNFSNVTU

WFSJGZUIFQFSGPSNBODFJOUIFJSBQQMJDBUJPO

Soldering Parameters

Condition 3FnPX

Peak Temp/ Duration Time ¡$4FD

Time above liquids (TAL) 220°C 60 Sec ~ 100 Sec

Preheat 120°C~ 180°C 50 Sec ~ 150 Sec

Storage Condition ¡$_¡$<

=3)

t3FDPNNFOEFESFnPXNFUIPET*3WBQPSQIBTFPWFOIPUBJS

PWFO/2FOWJSPONFOUGPSMFBEoGSFF

t3FDPNNFOEFENBYJNVNQBTUFUIJDLOFTTJTNNJODI

t%FWJDFTDBOCFDMFBOFEVTJOHTUBOEBSEJOEVTUSZNFUIPETBOE

solvents.

Note:*GSFnPXUFNQFSBUVSFTFYDFFEUIFSFDPNNFOEFEQSPmMF

EFWJDFTNBZOPUNFFUUIFQFSGPSNBODFSFRVJSFNFOUT

Preheating

120

180

220

260

060 to 100

Temperature (°C)

Soldering Cooling

120

50 to 150

Time(s)

1812L

0.01

0.1

100

0.1 1 10 100

Current in Amperes

Time in Seconds

0.50A

0.75A

1.10A/16V

1.25A/16V

1.50A/12V

1.10A

1.25A/6V

1.50A

1.60A

2.00A

2.60A, 2.60A/12V

3.00A

1812L

0.01

0.1

100

0.1 1 10 100

Current in Amperes

Time in Seconds

0.10

0.10/60

0.14

0.20/60

0.20

0.35/30

0.50/30

0.75/33

0.75/24

1.10/33

1.10/24

1.50/24

2.00/12

Revised: June 3, 2012

POLY-FUSE® Resettable PTCs

Surface Mount > 1812L Series

1812L Series

Speciﬁcations are subject to change without notice.

Please refer to www.littelfuse.com/series/1812L.html for current information.

Part

Number

ABCDE

Inches mm Inches mm Inches mm Inches mm Inches mm

Min Max Min Max Min Max Min Max Min Max Min Max Min Max Min Max Min Max Min Max

1812L010 0.17 0.19 4.37 4.73 0.12 0.13 3.07 3.41 0.03 0.05 0.75 1.25 0.01 0.05 0.3 1.2 0.01 0.03 0.15 0.65

1812L010/60 0.17 0.19 4.37 4.73 0.12 0.13 3.07 3.41 0.03 0.05 0.75 1.25 0.01 0.05 0.3 1.2 0.006 0.03 0.15 0.65

1812L014 0.17 0.19 4.37 4.73 0.12 0.13 3.07 3.41 0.03 0.08 0.75 1.95 0.01 0.05 0.3 1.2 0.01 0.03 0.15 0.65

1812L020 0.17 0.19 4.37 4.73 0.12 0.13 3.07 3.41 0.02 0.04 0.55 1 0.01 0.05 0.3 1.2 0.01 0.03 0.15 0.65

1812L020/60 0.17 0.19 4.37 4.73 0.12 0.13 3.07 3.41 0.03 0.05 0.75 1.25 0.01 0.05 0.3 1.2 0.006 0.03 0.15 0.65

1812L035/30 0.17 0.19 4.37 4.73 0.12 0.13 3.07 3.41 0.02 0.04 0.6 1.25 0.01 0.05 0.3 1.2 0.01 0.03 0.15 0.65

1812L050 0.17 0.19 4.37 4.73 0.12 0.13 3.07 3.41 0.02 0.03 0.5 0.75 0.01 0.05 0.3 1.2 0.01 0.02 0.15 0.5

1812L050/30 0.17 0.19 4.37 4.73 0.12 0.13 3.07 3.41 0.02 0.04 0.5 1 0.01 0.05 0.3 1.2 0.01 0.03 0.15 0.65

1812L075 0.17 0.19 4.37 4.73 0.12 0.13 3.07 3.41 0.02 0.03 0.5 0.75 0.01 0.05 0.3 1.2 0.01 0.02 0.15 0.5

1812L075/24 0.17 0.19 4.37 4.73 0.12 0.13 3.07 3.41 0.03 0.06 0.75 1.55 0.01 0.05 0.3 1.2 0.01 0.03 0.15 0.65

1812L075/33 0.17 0.19 4.37 4.73 0.12 0.13 3.07 3.41 0.03 0.06 0.75 1.55 0.01 0.05 0.3 1.2 0.01 0.03 0.15 0.65

1812L110 0.17 0.19 4.37 4.73 0.12 0.13 3.07 3.41 0.02 0.03 0.5 0.71 0.01 0.05 0.3 1.2 0.01 0.02 0.15 0.5

1812L110/24 0.17 0.19 4.37 4.73 0.12 0.13 3.07 3.41 0.02 0.04 0.5 1.07 0.01 0.05 0.3 1.2 0.01 0.03 0.15 0.65

1812L110/16 0.17 0.19 4.37 4.73 0.12 0.13 3.07 3.41 0.03 0.05 0.75 1.25 0.01 0.05 0.3 1.2 0.01 0.03 0.15 0.65

1812L110/33 0.17 0.19 4.37 4.73 0.12 0.13 3.07 3.41 0.05 0.08 1.2 2 0.01 0.05 0.3 1.2 0.01 0.03 0.15 0.65

1812L125/6 0.17 0.19 4.37 4.73 0.12 0.13 3.07 3.41 0.02 0.03 0.45 0.75 0.01 0.05 0.3 1.2 0.01 0.03 0.15 0.65

1812L125/16 0.17 0.19 4.37 4.73 0.12 0.13 3.07 3.41 0.03 0.05 0.75 1.25 0.01 0.05 0.3 1.2 0.01 0.02 0.15 0.5

1812L150 0.17 0.19 4.37 4.73 0.12 0.13 3.07 3.41 0.02 0.03 0.4 0.71 0.01 0.05 0.3 1.2 0.01 0.03 0.15 0.65

1812L150/12 0.17 0.19 4.37 4.73 0.12 0.13 3.07 3.41 0.03 0.05 0.75 1.25 0.01 0.05 0.3 1.2 0.01 0.03 0.15 0.65

1812L150/24 0.17 0.19 4.37 4.73 0.12 0.13 3.07 3.41 0.03 0.07 0.8 1.8 0.01 0.05 0.3 1.2 0.01 0.03 0.15 0.65

1812L160 0.17 0.19 4.37 4.73 0.12 0.13 3.07 3.41 0.02 0.03 0.4 0.75 0.01 0.05 0.3 1.2 0.01 0.03 0.15 0.65

1812L160/12 0.17 0.19 4.37 4.73 0.12 0.13 3.07 3.41 0.03 0.05 0.75 1.25 0.01 0.05 0.3 1.2 0.01 0.03 0.15 0.65

1812L200TH 0.17 0.19 4.37 4.73 0.12 0.13 3.07 3.41 0.008 0.024 0.2 0.6 0.01 0.05 0.3 1.2 0.01 0.02 0.15 0.5

1812L200/12 0.17 0.19 4.37 4.73 0.12 0.13 3.07 3.41 0.03 0.05 0.8 1.20 0.01 0.05 0.3 1.2 0.006 0.03 0.15 0.65

1812L260TH 0.17 0.19 4.37 4.73 0.12 0.13 3.07 3.41 0.02 0.04 0.5 1.0 0.01 0.05 0.3 1.2 0.01 0.02 0.15 0.5

1812L260/12 0.17 0.19 4.37 4.73 0.12 0.13 3.07 3.41 0.03 0.05 0.8 1.34 0.01 0.05 0.3 1.2 0.01 0.03 0.15 0.65

1812L300 0.17 0.19 4.37 4.73 0.12 0.13 3.07 3.41 0.03 0.06 0.8 1.50 0.01 0.05 0.3 1.2 0.01 0.03 0.15 0.65

Dimensions

Top

View

Pad

Layout

Side

View

Bottom

View

3.15 mm

(.124”)

3.45 mm

(.135”)

1.78mm

(.070”)

MARKING CODE VARIES

WITH AMPERAGE AND VOLTAGE RATING

(See Electrical Characteristics Table)

SHOWN ARE:

- 1.1A/6V RATING (LEFT)

- 1.1A/33V RATING (RIGHT)

110

-33

Revised: June 3, 2012

POLY-FUSE® Resettable PTCs

1812L Series

Surface Mount > 1812L Series

1812L Series

Speciﬁcations are subject to change without notice.

Please refer to www.littelfuse.com/series/1812L.html for current information.

Packaging

Part Ordering Number System

PACKAGING STYLE

DEVICE SIZE CODE (0.18 x 0.12 inch)

L: LITTELFUSE SURFACE MOUNT PPTC

I HOLD HOLD CURRENT CODE

(Refer to Electrical Characteristics Table)

SPECIAL VOLTAGE RATING ITEM

(Not applicable to all parts. Refer to Electrical

Characteristics Table for additional information)

QUANTITY CODE: M=1000 D=1500 P or Z =2000

R: Tape & Reel

SERIES

1812 L xxx /xx TH Y R

LOW PROFILE DEVICE INDICATOR

(Required, for L200 and L260 device orders only.

Refer to “C” in Dimensions section.)

Part Number Ordering Number Halogen Free I hold (A) I hold Code Voltage

Option

Packaging

Option Quantity Quantity &

Packaging Code

1812L010 -%3 Yes 0.10 010

5BQFBOE3FFM

1500 %3

1812L010/60 -%3 Yes 0.10 010 /60 1500 %3

1812L014 -%3 Yes 0.14 014 1500 %3

1812L020 -13 Yes 0.20 020 2000 13

1812L020/60 -%3 Yes 0.20 020 /60 1500 %3

1812L035/30 -%3 Yes 0.35 035 /30 1500 %3

1812L050 -13 Yes 0.50 050 2000 13

1812L050/30 -13 Yes 0.50 050 /30 2000 13

1812L075 -13 Yes 0.75 075 2000 13

1812L75/24 -%3 Yes 0.75 075 /24 1500 %3

1812L75/33 -%3 Yes 0.75 075 /33 1500 %3

1812L110 -13 Yes 1.10 110 2000 13

1812L110/16 -%3 Yes 1.10 110 /16 1500 %3

1812L110/24 -%3 Yes 1.10 1.10 /24 1500 %3

1812L110/33 -.3 Yes 1.10 110 /33 1000 .3

1812L125/6 -13 Yes 1.25 125 /6 2000 13

1812L125/16 -%3 Yes 1.25 125 /16 1500 %3

1812L150 -;3 Yes 1.50 150 2000 ;3

1812L150/12 -%3 Yes 1.50 150 /12 1500 %3

1812L150/24 -.3 Yes 1.50 150 /24 1000 .3

1812L160 -13 Yes 1.60 160 2000 13

1812L160/12 -%3 Yes 1.60 160 /12 1500 %3

1812L200TH -5)13 Yes 2.00 200 2000 13

1812L200/12 -%3 Yes 2.00 200 /12 1500 %3

1812L260TH -5)%3 Yes 2.60 260 1500 %3

1812L260/12 -.3 Yes 2.60 260 /12 1000 .3

1812L300 -.3 Yes 3.00 300 1000 .3

Revised: June 3, 2012

POLY-FUSE® Resettable PTCs

Surface Mount > 1812L Series

1812L Series

Speciﬁcations are subject to change without notice.

Please refer to www.littelfuse.com/series/1812L.html for current information.

TAPE SPECIFICATIONS: EIA-481-1 (mm)

REEL DIMENSIONS:

EIA-481-1 (mm)

1812L020

1812L035/30

1812L050

1812L075

1812L110

1812L125/6

1812L150

1812L160

1812L200

1812L010

1812L010/60

1812L014

1812L020/60

1812L050/30

1812L075/24

1812L075/33

1812L110/16

1812L110/24

1812L125/16

1812L150/12

1812L160/12

1812L200/12

1812L260

1812L110/33

1812L150/24

1812L260/12

1812L300

W   H

F   W

E1   D

D0   F

D1 .*/ .*/ C

P0   H1

P1   W1

P2   W2

A0   W3

B0   W4

T  

K0  

Leader min. 390 390 390

Trailer min. 160 160 160

Tape and Reel Speciﬁcations

K0B0