21
Revised: July 12, 2010
POLYFUSE® Resettable PTCs
© 2010 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
The 0805L Series PTC provides surface mount overcurrent
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)
0805L010 A 0.10 0.30 15 100 0.5 0.50 1.50 1.000 3.500 6.000 XX
0805L020 C 0.20 0.50 9 100 0.5 8.00 0.02 0.650 2.000 3.500 XX
0805L035 E 0.35 0.75 6 100 0.5 8.00 0.10 0.250 0.750 1.200 XX
0805L050 F 0.50 1.00 6 100 0.5 8.00 0.10 0.150 0.500 0.850 XX
0805L075 G 0.75 1.50 6 40 0.6 8.00 0.20 0.090 – 0.350 XX
0805L100 N1.0 1.95 6 40 0.6 8.00 0.30 0.060 – 0.210 XX
I hold = Hold current: maximum current device will pass without tripping in 20°C still air.
I trip = Trip current: minimum current at which the device will trip in 20°C still air.
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 = 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 1max = Maximum resistance of device at 20°C measured one hour after tripping or reflow soldering of 260°C for 20 sec.
Caution: Operation beyond the specified rating may result in damage and possible arcing and flame.
Effective September 15, 2009 onward, all 0805L PTC products will be manufactured Halogen Free (HF). Existing Non-Halogen Free 0805L PTC products will continue to be sold until
supplies are depleted. Effective January 1, 2010, all 0805L PTC product will be manufactured and sold as Halogen Free by default, and the “HF” part number suffix code will be discontinued
-- Refer to Part Ordering Number System and Packaging Options sections for additional information.
Description
Features
Applications
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and halogen-free
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currents
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board space
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temperature solders
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for motherboards and
peripherals
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and port protection
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t(BNFDPOTPMFQPSU
protection
22
Revised: July 12, 2010
POLYFUSE® Resettable PTCs
© 2010 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
-40°C -20°C 0°C 23°C 40°C 50°C 60°C 70°C 85°C
Part Number Hold Current (A)
0805L010 0.14 0.12 0.11 0.10 0.08 0.07 0.06 0.05 0.03
0805L020 0.28 0.25 0.23 0.20 0.17 0.14 0.12 0.10 0.07
0805L035 0.47 0.44 0.39 0.35 0.30 0.27 0.24 0.20 0.14
0805L050 0.68 0.62 0.55 0.50 0.40 0.37 0.33 0.29 0.23
0805L075 1.00 0.90 0.79 0.75 0.63 0.57 0.53 0.41 0.34
0805L100 1.35 1.25 1.10 1.00 0.82 0.74 0.65 0.55 0.42
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
1000
10000
100000
0.1 1 10 100
Current in Amperes
Time in Seconds
0.10A
0.20A
0.35A
0.50A
0.75A
1.00A
23
Revised: July 12, 2010
POLYFUSE® Resettable PTCs
© 2010 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 -40°C to +85°C
Maximum Device Surface
Temperature in Tripped
State
125°C
Passive Aging +85°C, 1000 hours
-/+5% typical resistance change
Humidity Aging +85°C, 85%, R.H.,1000 hours
-/+5% typical resistance change
Thermal Shock
MIL–STD–202, Method 107G
+85°C/-40°C 20 times
-30% typical resistance change
Solvent Resistance MIL–STD–202, Method 215
No change
Vibration
MIL–STD–883C, Method 2007.1,
Condition A
No change
Moisture Sensitivity Level Level 1, J–STD–020C
Physical Specifications
Terminal Material Solder-Plated Copper
(Solder Material: Matte Tin (Sn))
Lead Solderability Meets EIA Specification RS186-9E,
ANSI/J-STD-002, Category 3
Soldering Parameters
Condition Reflow
Peak Temp/ Duration Time 260°C / 10 Sec
Time above liquids (TAL) 220°C 60 Sec ~ 100 Sec
Preheat 120°C~ 180°C 50 Sec ~ 150 Sec
Storage Condition 0°C~35°C,
=70%RH
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oven, N2 environment for lead–free
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solvents.
Note: If reflow temperatures exceed the recommended profile,
devices may not meet the performance requirements.
Preheating
120
180
220
260
060 to 100
Temperature (°C)
Soldering Cooling
120
50 to 150
Time(s)
24
Revised: July 12, 2010
POLYFUSE® Resettable PTCs
© 2010 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 HF
SERIES
HALOGEN-FREE
DEVICE SIZE CODE (0.08 x 0.05 inch)
I
HOLD
HOLD CURRENT CODE
(Refer to Electrical Characteristics Table)
Required for some items. See Packaging section.
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
0805L010 0.08 0.09 2.00 2.20 0.05 0.06 1.20 1.50 0.02 0.04 0.55 1.00 0.01 0.02 0.20 0.55 0.004 0.02 0.10 0.45
0805L020 0.08 0.09 2.00 2.20 0.05 0.06 1.20 1.50 0.02 0.04 0.55 1.00 0.01 0.02 0.20 0.55 0.004 0.02 0.10 0.45
0805L035 0.08 0.09 2.00 2.20 0.05 0.06 1.20 1.50 0.02 0.03 0.45 0.75 0.01 0.02 0.20 0.55 0.004 0.02 0.10 0.45
0805L050 0.08 0.09 2.00 2.20 0.05 0.06 1.20 1.50 0.03 0.05 0.75 1.25 0.01 0.02 0.20 0.55 0.004 0.02 0.10 0.45
0805L075 0.08 0.09 2.00 2.20 0.05 0.06 1.20 1.50 0.03 0.05 0.75 1.25 0.01 0.02 0.20 0.55 0.006 0.02 0.15 0.45
0805L100 0.08 0.09 2.00 2.20 0.05 0.06 1.20 1.50 0.03 0.07 0.80 1.80 0.01 0.02 0.20 0.55 0.006 0.02 0.15 0.45
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
0805L010 0805L010YRHF Yes 0.10 010 Tape and Reel 4000 YR
0805L010YR No
0805L020 0805L020YRHF Yes 0.20 020 Tape and Reel 4000 YR
0805L020YR No
0805L035 0805L035YRHF Yes 0.35 035 Tape and Reel 4000 YR
0805L035YR No
0805L050 0805L050YRHF Yes 0.50 050 Tape and Reel 3000 WR
0805L050YR No
0805L075 0805L075YRHF Yes 0.75 075 Tape and Reel 3000 WR
0805L075YR No
0805L100 0805L100WRHF Yes 1.00 100 Tape and Reel 3000 WR
0805L100WR No
* Effective September 15, 2009 onward, all 0805L PTC products will be manufactured Halogen Free (HF). Existing Non-Halogen Free 0805L PTC products will continue to be sold until
supplies are depleted. Effective January 1, 2010, all 0805L PTC product will be manufactured and sold as Halogen Free by default, and “HF” part number suffix code will be discontinued.
25
Revised: July 12, 2010
POLYFUSE® Resettable PTCs
© 2010 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
W8.0+/- 0.10 8.0+/- 0.10 8.0+/- 0.10 8.0+/- 0.10 H12.0+/- 0.05
F3.5+/- 0.05 3.5+/- 0.05 3.5+/- 0.05 3.5+/- 0.05 W9.0+/- 0.5
E11.75+/- 0.10 1.75+/- 0.10 1.75+/- 0.10 1.75+/- 0.10 DØ60+0.5
D01.55+/- 0.05 1.55+/- 0.05 1.55+/- 0.05 1.55+/- 0.05 FØ13.0+/- 0.2
D11.0 (min) 1.0 (min) 1.0 (min) 1.0 (min) CØ178+/- 1.0
P04.0+/- 0.10 4.0+/- 0.10 4.0+/- 0.10 4.0+/- 0.10 H111+/- 0.5
P14.0+/- 0.10 4.0+/- 0.10 4.0+/- 0.10 4.0+/- 0.10 W12.2+/- 0.5
P22.0+/- 0.05 2.0+/- 0.05 2.0+/- 0.05 2.0+/- 0.05 W23.0+0.5
A01.45+/- 0.10 1.42+/- 0.10 1.65+/- 0.10 1.65+/- 0.10 W34.0+0.5
B02.30+/- 0.10 2.24+/- 0.10 2.35+/- 0.10 2.35+/- 0.10 W45.5+0.5
T0.25+/- 0.10 0.20+/- 0.10 0.20+/- 0.10 0.25+/- 0.10
K00.9+/- 0.10 1.04+/- 0.10 1.05+/- 0.10 1.50+/- 0.10
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