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400CC1206LR-C Datasheet Preview

400CC1206LR-C Datasheet

LoRho SMD PTC

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POLYSWITCH® Resettable PTCs
Surface Mount > LoRho Series
LoRho SMD PTC for Charging Cable Protection
Description
The Littelfuse LoRho SMD PTC for Charging Cables
provides protection from heat generated due to faults
within the connector such as USB-C, microUSB, and
many others.
As connectors get smaller, their pin-to-pin spacings are
shrinking which increases the opportunity for debris such
as dust, dirt, or water to collect causing a fault. These
faults can generate heat which may damage charging
cables, the devices they charge, or the people using them.
Agency Approvals
AGENCY
AGENCY FILE NUMBER
AMPERE RANGE
E74889*
4.5A
J 50313999*
4.5A
* See Electrical Characteristic Table for approved part numbers.
Applications
• Over temperature (OT)
protection for USB
connectors and cables
including:
– USB Type-C
– USB Micro-B
– USB-A
• Fast charging standards
and protocols including:
– USB Power Delivery (PD)
– Qualcomm Quick
Charge (QC)
– Mediatek Pump
Express (PE)
– Samsung Adaptive
Fast Charging (AFC)
– Huawei/HiSilicon Fast
Charging Protocol (FCP)
These charging protocols are the property of their respective owners.
Features
• SMD compatible with
reflow soldering process
• Available in small 1206
and 1210 sizes
• Up to 21Vdc and
4.5A Ihold
Benefits
• Surface mount design
reduces assembly time
and cost compared to
leaded/strapped models
• Saves PCB space in the
USB-C connector and
ensures that the USB-C
plug meets USB-IF
dimension specifications
• Ultra low internal
resistance
• Reset automatically
• Halogen-free, lead-free
and RoHS compliant
• Well-suited for fast-
charging applications up
to 21Vdc and 4.5A Ihold
Electrical Characteristics
Part Number
Marking
I1
hold
(A)
nanoSMD350LR-C
P 3.50
nanoSMD400LR-C
S 4.00
microSMD450LR-C S 4.50
400CC1206LR-C
Y 4.00
450CC1210LR-C
K 4.50
V2
max
(Vdc)
12
12
12
21
21
Thermal Cut Off
(TCO) - ºC @ 2A
Min Max
Thermal Cut Off
(TCO) - ºC @ 3A
Min Max
Pd3 typ.
(W)
75 100 60 85 1.0
85 110 70 95 1.0
90 115 75 100 1.0
85 110 70 95 1.0
90 115 75 100 1.3
Resistance
R4
min
(Ω)
0.004
0.004
0.002
0.004
0.002
R5
1max
(Ω)
0.018
0.010
0.0085
0.010
0.008
Agency
Approvals
-- --
-- --
XX
-- --
-- --
Notes:
1. Ihold = Hold current: maximum current device will pass without tripping in 20°C still air
2. Vmax = Maximum voltage device can withstand without damage at rated current (Imax)
3. Pd = Power dissipated from device when in the tripped state at 20°C still air
4. Rmin = Minimum resistance of device in initial (un-soldered) state
5. R1max = Maximum resistance of device at 20°C measured one hour after tripping or
reflow Soldering of 260°C for 20 seconds
(Values specified were determined using PCBs with 0.115in x 1.0in ounce copper traces)
Caution: Operation beyond the specified rating may result in damage and possible arcing
and flame
TCO and Pd Testing Method:
Thermal Cut-Off Test–
1. Put the device into the thermostatic chamber controlled at room temperature or 25°C.
2. Apply the specified current to the device, and increase the chamber temperature at the
rate of 2°C per minute.
3. Measure the device ambient temperature when the applied current has reduced to less
than 20% of initial value.
Power Dissipation–
1. Conduct thermal cut-off test at rated current/voltage.
2. After device trip, decrease the chamber temperature with keeping trip state.
3. Measure the tripped-state power dissipation when the device ambient temperature has
reduced to 30°C or less.
© 2019 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: 03/15/19




Littelfuse

400CC1206LR-C Datasheet Preview

400CC1206LR-C Datasheet

LoRho SMD PTC

No Preview Available !

POLYSWITCH® Resettable PTCs
Surface Mount > LoRho Series
Temperature Rerating
Ambient OperatingTemperature
-20°C
0°C
20°C
60°C
Part Number
Hold Current (A)
nanoSMD350LR-C
4.80 4.00 3.50 1.90
nanoSMD400LR-C
5.20 4.60 4.00 2.82
microSMD450LR-C
6.20 5.50 4.50 3.30
400CC1206LR-C
5.20 4.60 4.00 2.82
450CC1210LR-C
6.20 5.50 4.50 3.30
Note: The temperature rerating data is for reference only. Please contact Littelfuse technical support for detail temperature rerating information.
85°C
1.30
2.10
2.30
2.10
2.30
Temperature Derating Curve
Environmental Specifications
Operating Temperature
-20°C to +85°C
Maximum Device Surface
Temperature in Tripped State
125°C
Passive Aging
Humidity Aging
Thermal Shock
+85°C, 1000 hours
-/+10% typical resistance
change
+85°C, 85% R.H.,100 hours
-/+15% typical resistance
change
MIL–STD–202, Method 215
No change
Vibration
Moisture Sensitivity Level
MIL–STD–883, Method 2007,
Condition A No change
Level 2a, J–STD–020
Physical Specifications
Terminal
Materials
Lead
Solderability
Solder-Plated Copper
(Solder Material: Matte Tin (Sn))
Meets EIA Specification RS186-9E, ANSI/J-
STD-002, Category 3
© 2019 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: 03/15/19


Part Number 400CC1206LR-C
Description LoRho SMD PTC
Maker Littelfuse
Total Page 5 Pages
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