21
Revised: October 9, 2011
POLY-FUSE® Resettable PTCs
© 2011 Littelfuse, Inc
0805L Series
Surface Mount > 0805L Series
0805L Series
Specifications are subject to change without notice.
Please refer to www.littelfuse.com/series/0805L.html for current information.
0805L Series
5IF-4FSJFT15$QSPWJEFTTVSGBDFNPVOUPWFSDVSSFOU
protection for applications where space is at a premium
and resettable protection is desired.
Agency Approvals
AGENCY AGENCY FILE NUMBER
E183209
R50119118
Electrical Characteristics
Part Number Marking I hold
(A)
I trip
(A)
V max
(Vdc)
I max
(A)
P d
typ.
(W)
Maximum Time
To Trip Resistance Agency
Approvals
Current
(A)
Time
(Sec.)
R min
(Ω)
R typ
(Ω)
R 1max
(Ω)
- A 0.10 0.30  100    1.000  6.000 XX
- C 0.20  9100 8.00 0.02  2.000  XX
- E  6100 8.00 0.10   1.200 XX
- F 1.00 6 100  8.00 0.10    XX
- (   6 40 0.6 8.00 0.20 0.090 –  XX
- / 1. 0 0  6 40 0.6 8.00 0.30 0.060 – 0.210 XX
- )1.10 2.00 6 100 0.8 8.00 0.10  – 0.160 XX
I hold)PMEDVSSFOUNBYJNVNDVSSFOUEFWJDFXJMMQBTTXJUIPVUUSJQQJOHJO¡$TUJMMBJS
I trip5SJQDVSSFOUNJOJNVNDVSSFOUBUXIJDIUIFEFWJDFXJMMUSJQJO¡$TUJMMBJS
V max = Maximum voltage device can withstand without damage at rated current (I max)
I max = Maximum fault current device can withstand without damage at rated voltage (Vmax)
P d1PXFSEJTTJQBUFEGSPNEFWJDFXIFOJOUIFUSJQQFETUBUFBU¡$TUJMMBJS
R min.JOJNVNSFTJTUBODFPGEFWJDFJOJOJUJBMVOTPMEFSFETUBUF
R typ5ZQJDBMSFTJTUBODFPGEFWJDFJOJOJUJBMVOTPMEFSFETUBUF
R 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
Description
Features
Applications
t3P)4DPNQMJBOUMFBEGSFF
BOEIBMPHFOGSFF
t'BTUSFTQPOTFUPGBVMU
currents
t$PNQBDUEFTJHOTBWFT
board space
t-PXSFTJTUBODF
t-PXQSPmMF
t$PNQBUJCMFXJUIIJHI
temperature solders
t64#QFSJQIFSBMT
t%JTLESJWFT
t$%30.T
t1MVHBOEQMBZQSPUFDUJPO
for motherboards and
peripherals
t.PCJMFQIPOFTCBUUFSZ
and port protection
t%JTLESJWFT
t1%"TEJHJUBMDBNFSBT
t(BNFDPOTPMFQPSU
protection
22
Revised: October 9, 2011
POLY-FUSE® Resettable PTCs
© 2011 Littelfuse, Inc.
Surface Mount > 0805L Series
0805L Series
Specifications are subject to change without notice.
Please refer to www.littelfuse.com/series/0805L.html for current information.
Ambient Operation Temperature
¡$ ¡$ ¡$ ¡$ ¡$ ¡$ ¡$ ¡$ ¡$
Part Number Hold Current (A)
- 0.14 0.12 0.11 0.10 0.08  0.06  0.03
- 0.28  0.23 0.20  0.14 0.12 0.10 
-  0.44 0.39  0.30  0.24 0.20 0.14
- 0.68 0.62   0.40  0.33 0.29 0.23
- 1.00 0.90   0.63   0.41 0.34
-   1.10 1.00 0.82    0.42
-  1.41 1.24 1.10 0.96 0.86  0.68 
Temperature Rerating
Temperature Rerating Curve
-40 -30 -20 -10 0 10 20 30 40 50 60 70 80
10%
30%
50%
70%
90%
110%
130%
150%
170%
Temperature (°C)
Percentage of Rated Current
Average Time Current Curves
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.
0805L
0.01
0.1
1
10
100
0.1 1 10 100
Current in Amperes
Time in Seconds
0.10A
0.20A
0.35A
0.50A
0.75A
1.00A
1.10A
23
Revised: October 9, 2011
POLY-FUSE® Resettable PTCs
© 2011 Littelfuse, Inc
0805L Series
Surface Mount > 0805L Series
0805L Series
Specifications are subject to change without notice.
Please refer to www.littelfuse.com/series/0805L.html for current information.
Environmental Specifications
Operating/Storage
Temperature ¡$UP¡$
Maximum Device Surface
Temperature 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$.FUIPE
Condition A
/PDIBOHF
Moisture Sensitivity Level -FWFM+o45%o$
Physical Specifications
Terminal Material 4PMEFS1MBUFE$PQQFS
4PMEFS.BUFSJBM.BUUF5JO4O
Lead Solderability .FFUT&*"4QFDJmDBUJPO34&
"/4*+45%$BUFHPSZ
Soldering Parameters
Condition 3FnPX
Peak Temp/ Duration Time ¡$4FD
Time above liquids (TAL) 220°C 60 Sec ~ 100 Sec
Preheat 120°C~ 180°C 4FD_4FD
Storage Condition ¡$_¡$
=3)
t3FDPNNFOEFESFnPXNFUIPET*3WBQPSQIBTFPWFOIPUBJS
PWFO/2 environment for lead–free
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)
24
Revised: October 9, 2011
POLY-FUSE® Resettable PTCs
© 2011 Littelfuse, Inc.
Surface Mount > 0805L Series
0805L Series
Specifications are subject to change without notice.
Please refer to www.littelfuse.com/series/0805L.html for current information.
Part Ordering Number System
PACKAGING STYLE
L: LITTELFUSE SURFACE MOUNT PPTC
QUANTITY CODE: W=3000 Y=4000
R: Tape & Reel
0805 L xxx W R
SERIES
DEVICE SIZE CODE (0.08 x 0.05 inch)
I
HOLD
HOLD CURRENT CODE
(Refer to Electrical Characteristics Table)
Packaging
Dimensions
Part
Number
ABC D E
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
- 0.08 0.09 2.00 2.20  0.06 1.20  0.02 0.04  1.00 0.01 0.02 0.20  0.004 0.02 0.10 
- 0.08 0.09 2.00 2.20  0.06 1.20  0.02 0.04  1.00 0.01 0.02 0.20  0.004 0.02 0.10 
- 0.08 0.09 2.00 2.20  0.06 1.20  0.02 0.03   0.01 0.02 0.20  0.004 0.02 0.10 
- 0.08 0.09 2.00 2.20  0.06 1.20  0.03    0.01 0.02 0.20  0.004 0.02 0.10 
- 0.08 0.09 2.00 2.20  0.06 1.20  0.03    0.01 0.02 0.20  0.006 0.02  
- 0.08 0.09 2.00 2.20  0.06 1.20  0.03  0.80 1.80 0.01 0.02 0.20  0.006 0.02  
- 0.08 0.09 2.00 2.20  0.06 1.20  0.03 0.06 0.80 1.40 0.01 0.02 0.20  0.002 0.02  
C
Top
View
Pad
Layout
Side
View
Bottom
View
1.50 mm
(.059)
1.20 mm
(.047)
1.00 mm
(.040)
D
MARKING CODE VARIES
WITH AMPERAGE RATING
(See Electrical Characteristic Table)
SHOWN IS 1.0AMP RATING
E
A
B
N
N
Part Number Ordering
Number
Halogen
Free
I hold
(A) I hold Code Packaging
Option Quantity Quantity &
Packaging Codes
- -:3 :FT 0.10 010 Tape and Reel 4000 :3
- -:3 :FT 0.20 020 Tape and Reel 4000 :3
- -:3 :FT   Tape and Reel 4000 :3
- -83 :FT   Tape and Reel 3000 WR
- -83 :FT   Tape and Reel 3000 WR
- -83 :FT 1.00 100 Tape and Reel 3000 WR
- -83 :FT 1.10 110 Tape and Reel 3000 WR
25
Revised: October 9, 2011
POLY-FUSE® Resettable PTCs
© 2011 Littelfuse, Inc
0805L Series
Surface Mount > 0805L Series
0805L Series
Specifications are subject to change without notice.
Please refer to www.littelfuse.com/series/0805L.html for current information.
TAPE SPECIFICATIONS: EIA-481-1 (mm)
REEL DIMENSIONS:
EIA-481-1 (mm)
0805L010
0805L020
0805L035
0805L050 0805L075 0805L100
0805L110
W    H
F    W
E1    D
D0    F
D11.0 (min) 1.0 (min) 1.0 (min) 1.0 (min) C
P0    H1
P1    W1
P2    W2
A0    W3
B0    W4
T   
K0   
Leader min. 390 390 390 390
Trailer min. 160 160 160 160
Tape and Reel Specifications
W
4
W
2
W
3
W
1
F
H1
W
C
D
H
D2
K0B0
A0
T
F
W
E1
P2
D0
P0
P1