Datasheet

POLY-FUSE® Resettable PTCs
Surface Mount > 0402L Series
0402L Series
RoHS
Description
he 0402L Series PTC provides surface mount
T
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
• Compact design saves
board space
• Low resistance
Agency Approvals
AGENCY
AGENCY FILE NUMBER
Applications
E183209
• PDAs / digital cameras
• Game console port
protection
• Tablet and Notebook PCs
• E-readers
• USB peripherals
• Disk drives
• CD-ROMs
• Plug and play protection
for motherboards and
peripherals
R50119118
Additional Information
Datasheet
• Low-profile
• Compatible with high
temperature solders
• 0402 size- the smallest
PPTC in the market
compatible with high
temperature solders
Samples
Resources
Electrical Characteristics
Part Number
I hold
(A)
I trip
(A)
V max
(Vdc)
I max
(A)
P d typ.
(W)
0402L010SL
0.10
0.30
6
40
0.5
Maximum Time
To Trip
Resistance
Current
(A)
Time
(Sec.)
R min
(Ω)
R 1max
(Ω)
0.50
1.00
0.150
2.000
Agency
Approvals
X
X
0402L020SL
0.20
0.50
6
40
0.5
1.00
1.00
0.100
1.250
X
X
0402L035SL
0.35
0.70
6
50
0.5
8.00
0.10
0.050
0.700
X
X
0402L050SL
0.50
1.00
6
50
0.5
8.00
0.10
0.040
0.400
X
X
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.
aximum resistance of device at 20°C measured one hour after tripping or reflow soldering of 260°C for 20 sec.
R 1max = M
Caution: Operation beyond the specified rating may result in damage and possible arcing and flame.
WARNING
• Users shall independently assess the suitability of these devices for each of their applications
• Operation of these devices beyond the stated maximum ratings could result in damage to the devices and lead to electrical arcing and/or fire
• These devices are intended to protect against the effects of temporary over-current or over-temperature conditions and are not intended to perform as protective devices where such
conditions are expected to be repetitive or prolonged in duration
• Exposure to silicon-based oils, solvents, electrolytes, acids, and similar materials can adversely affect the performance of these PPTC devices
• These devices undergo thermal expansion under fault conditions, and thus shall be provided with adequate space and be protected against mechanical stresses
• Circuits with inductance may generate a voltage (L di/dt) above the rated voltage of the PPTC device.
© 2016 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: 04/12/16
POLY-FUSE® Resettable PTCs
Surface Mount > 0402L Series
Temperature Rerating
Ambient Operation Temperature
-40°C
-20°C
0°C
20°C
0402L010SL
0.15
0.13
0.12
0.10
0402L020SL
0.29
0.27
0.24
0.20
0402L035SL
0.51
0.47
0.41
0402L050SL
0.74
0.67
0.59
40°C
50°C
60°C
70°C
85°C
0.09
0.07
0.06
0.05
0.01
0.17
0.14
0.11
0.10
0.03
0.35
0.30
0.25
0.20
0.18
0.07
0.50
0.43
0.36
0.29
0.26
0.10
Hold Current (A)
Part Number
Average Time Current Curves
Temperature Rerating Curve
Time-to-Trip Curve
170%
100.00
130%
10.00
A-0402L010SL
B-0402L020SL
C-0402L035SL
D-0402L050SL
A
110%
Time to Trip (Sec.)
90%
Time in Seconds
Percentage of Rated Current
150%
70%
50%
30%
1.00
C
D
B
0.10
10%
-40
-30 -20
-10
0
10
20 30
40
Temperature (°C)
50
Note:
Typical Temperature rerating curve, refer to table for derating data
60
70
80
0.01
0.00
0.10
1.00
10.00
Current in Amperes
Fault Current (Amp.)
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.
© 2016 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: 04/12/16
POLY-FUSE® Resettable PTCs
Surface Mount > 0402L Series
Soldering Parameters
Pb-Free Assembly
Average Ramp-Up Rate (TS(max) to TP)
3°C/second max
Pre Heat:
Temperature Min (Ts(min))
150°C
Temperature Max (Ts(max))
200°C
Time (Min to Max) (ts)
60 – 180 secs
Time Maintained Temperature (TL)
Above:
Temperature (tL)
217°C
Peak / Classification Temperature (TP)
260+0/-5 °C
Time within 5°C of actual peak
Temperature (tp)
20 – 40 seconds
Ramp-down Rate
6°C/second max
Time 25°C to peak Temperature (TP)
8 minutes Max.
60 – 150 seconds
tP
TP
Critical Zone
tL to tP
Ramp-up
TL
TS(max)
Temperature
Profile Feature
tL
Ramp-do
Ramp-down
Preheat
TS(min)
25
tS
time to peak temperature
Time
-- All temperature refer to topside of the package, measured on the package body surface
-- If reflow temperature exceeds the recommended profile, devices may not meet the
performance requirements
-- Recommended reflow methods: IR, vapor phase oven, hot air oven, N2 environment for
lead
-- Recommended maximum paste thickness is 0.25mm(0.010inch)
-- Devices can be cleaned usingstandard industry methods and solvents
-- Devices can be reworked using the standard industry practices
Physical Specifications
Environmental Specifications
Terminal Material
Solder-Plated Copper
(Solder Material: Matte Tin (Sn))
Operating/Storage
Temperature
-40°C to +85°C
Lead Solderability
Meets ANSI/J-STD-002, Category C.
Maximum Device Surface
Temperature in Tripped State
125°C
Solvent Resistance
MIL–STD–202, Method 215
No change
Vibration
MIL–STD–883, Method 2007,
Condition A
No change
Moisture Sensitivity Level
Level 1, J–STD–020
© 2016 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: 04/12/16
POLY-FUSE® Resettable PTCs
Surface Mount > 0402L Series
Dimensions
Device Dimensions
Solder Pad Layout
A
C
H
G
B
D
Side
View
E
F
F
Device Top and Bottom Marking and Dimensions are Similar
Device Dimension
Part Number
A
inch
B
mm
inch
mm
inch
D
mm
Min Max Min Max Min Max Min Max Min Max Min Max
0402L010SL
0402L020SL
0402L035SL
0402L050SL
0.03
0.03
0.03
0.03
0.05
0.05
0.05
0.05
0.85
0.85
0.85
0.85
1.15
1.15
1.15
1.15
0.01
0.01
0.01
0.01
0.03
0.03
0.03
0.03
Solder Pad
C
0.35
0.35
0.35
0.35
0.65
0.65
0.65
0.65
0.01
0.01
0.01
0.01
0.02
0.02
0.02
0.02
0.20
0.20
0.20
0.20
0.60
0.60
0.60
0.60
inch
E
mm
Min
Max
Min Max
0.004
0.004
0.004
0.004
0.02
0.02
0.02
0.02
0.10
0.10
0.10
0.10
0.45
0.45
0.45
0.45
F
inch
Min
-
mm
Max Min
Max
0.02
0.02
0.02
0.02
0.40
0.40
0.40
0.40
-
G
H
inch mm inch mm inch mm
0.02
0.02
0.02
0.02
0.60
0.60
0.60
0.60
0.02
0.02
0.02
0.02
0.40
0.40
0.40
0.40
0.03
0.03
0.03
0.03
0.70
0.70
0.70
0.70
Part Ordering Number System
0402 L xxx K R - A
-A: Automotive grade
Blank: Standard version
SERIES
PACKAGING STYLE
R: Tape & Reel
QUANTITY CODE
K: 10000
I HOLD HOLD CURRENT CODE
(Refer to Electrical Characteristics Table)
L: LITTELFUSE SURFACE MOUNT PPTC
DEVICE SIZE CODE
Packaging
Part Number
Ordering Number
I hold (A)
I hold Code
0402L010SL
0402L010SLKR
0.10
010
0402L020SL
0402L020SLKR
0.20
020
Quantity & Packaging
Codes
Packaging Option
Quantity
10,000
KR
Tape & Reel
10,000
KR
0402L035SL
0402L035SLKR
0.35
035
10,000
KR
0402L050SL
0402L050SLKR
0.50
050
10,000
KR
© 2016 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: 04/12/16
POLY-FUSE® Resettable PTCs
Surface Mount > 0402L Series
Tape and Reel Specifications
TAPE SPECIFICATIONS: EIA481-1 (mm)
0402L010SL
0402L020SL
0402L035SL
0402L050SL
REEL DIMENSIONS:
EIA-481-1 (mm)
Ct
0.05 ± 0.01
H
12.0± 0.5
Dd
1.5 ± 0.1
W
9.0 ± 0.5
Ds
4.0± 0.1
D
Ø60 ± 0.5
Pd
0.41± 0.1
F
Ø13.0 ± 0.2
Ph
1.12± 0.1
C
Ø178 ± 1
Ps
2.0 ± 0.1
W1
2.2 ± 0.5
Pw
0.65 ± 0.03
W2
3.0± 0.5
Tt
0.61 ± 0.1
W3
4.0 ± 0.5
Tw
8.0 ± 0.1
W4
5.5 ± 0.5
Leader
min.
390
W4
5.5+0.5
Trailer min.
160
Tape and Reel Diagram
Tape Specifications
Dd
Tt
Reel Specifications
Ds
W4
H
W3
D
Tw
Ph
Pd
Ct
© 2016 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: 04/12/16
Ps
Pw
F
W1
W2
W
C