Littelfuse 0805L User Manual
POLY-FUSE® Resettable PTCs
Surface Mount > 0805L Series
0805L Series
Agency Approvals
AGENCY AGENCY FILE NUMBER
E183209
R50119118
RoHS
Description
The 0805L Series PTC provides surface mount overcurrent
protection for applications where space is at a premium
and resettable protection is desired.
Features
• RoHS compliant, lead-free
and halogen-free
• Fast response to fault
currents
• Low resistance
• Low-prole
• Compatible with high
temperature solders
• Compact design saves
board space
Applications
• USB peripherals
• Disk drives
• CD-ROMs
• Plug and play protection
for motherboards and
peripherals
• Mobile phones - battery
and port protection
• Disk drives
• PDAs / digital cameras
• Game console port
protection
0805L Series
Electrical Characteristics
Maximum Time
Part Number Marking
I
hold
(A)
I
V
(A)
trip
(Vdc)
max
I
max
(A)
P d
typ.
(W)
To Trip
Current
(A)
Time
(Sec.)
0805L010 A 0.10 0.30 15 100 0.5 0.50 1.50 1.000 3.500 6.000
0805L010/24 J 0.10 0.30 24 100 0.5 0.50 1.50 1.500 – 6.000
0805L020 C 0.20 0.50 9 100 0.5 8.00 0.02 0.650 2.000 3.500
0805L035 E 0.35 0.75 6 10 0 0.5 8.00 0.10 0.250 0.750 1.200
0805L050 F 0.50 1. 0 0 6 100 0.5 8.00 0.10 0.150 0.500 0.850
0805L075 G 0.75 1.50 6 40 0.6 8.00 0.20 0.090 – 0.350
0805L100 N 1. 0 0 1.95 6 40 0.6 8.00 0.30 0.060 – 0.210
0805L110 H 1.10 2.00 6 100 0.8 8.00 0.10 0.050 – 0.160
I
= Hold current: maximum current device will pass without tripping in 20°C still air.
hold
= Trip current: minimum current at which the device will trip in 20°C still air.
I
trip
= Maximum voltage device can withstand without damage at rated current (I max)
V
max
= Maximum fault current device can withstand without damage at rated voltage (V
I
max
= Power dissipated from device when in the tripped state at 20°C still air.
P
d
= Minimum resistance of device in initial (un-soldered) state.
R
min
= Typical resistance of device in initial (un-soldered) state.
R
typ
= Maximum resistance of device at 20°C measured one hour after tripping or reflow soldering of 260°C for 20 sec.
R
1max
Caution: Operation beyond the specified rating may result in damage and possible arcing and flame.
)
max
R
min
(Ω)
Resistance
R
(Ω)
typ
Agency
Approvals
R
1max
(Ω)
X X
X X
X X
X X
X X
X X
X X
X X
© 2013 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: 11/12/13
POLY-FUSE® Resettable PTCs
0.01
0.1
1
10
100
0.1 110
Time in Seconds
Current in Amperes
1206L
0.12A
0.16A
0.20A
0.25A
0.35A, 0.35A/15V
0.50A, 0.50A/15V
0.75A
0.75A/13.2V
1.1A
1.5A
1.75A
2.0A
Surface Mount > 0805L Series
Temperature Rerating
Ambient Operation Temperature
-40°C -20°C 0°C 20°C 40°C 50°C 60°C 70°C 85°C
Part Number
0805L010 0.14 0.12 0.11 0.10 0.08 0.07 0.06 0.05 0.03
0805L010/24 0.15 0.13 0.12 0.10 0.09 0.08 0.07 0.06 0.04
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. 0 0 0.90 0.79 0.75 0.63 0.57 0.53 0.41 0.34
0805L100 1.35 1.25 1. 10 1.0 0 0.82 0.74 0.65 0.55 0.42
0805L110 1.56 1.41 1.24 1. 10 0.96 0.86 0.76 0.68 0.55
Notes: The temperature rerating data is only for reference, please contact Littelfuse technical support for detail temperature rerating information.
Hold Current (A)
Average Time Current Curves
0.10A
0.20A
0.35A
0.50A
0.75A
1.00A
100
10
1
Time in Seconds
0.1
0.01
0.1 110 100
Current in Amperes
1.10A
0805L
Temperature Rerating Curve
170%
150%
130%
110%
90%
70%
50%
Percentage of Rated Current
30%
10%
-40 -30 -20 -10010 20 30 40 50 60 70 80
Temperature (°C)
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.
Specifications are subject to change without notice.
© 2013 Littelfuse, Inc.
Revised: 11/12/13
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