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Warning : Application Limitations for the LVR Product Line
1) Users should independently evaluate the suitability of and test each product selected for their own application.
2) This product should not be used in an application where the maximum interrupt voltage or maximum interrupt current can be exceeded
in a fault condition. Operation beyond the maximum ratings or improper use may result in device damage and possible electrical arcing
and flame.
3) A PPTC device is not a fuse - it is a nonlinear thermistor that limits current. Under a fault condition all PPTC devices go into a high resistance
state but do not open circuit, so hazardous voltage may be present at PPTC locations.
4) The devices are intended for protection against damage caused by occasional overcurrent or overtemperature fault conditions and should
not be used when repeated fault conditions or prolonged trip events are anticipated.
5) In most applications power must be removed and the fault condition cleared in order to reset a PPTC device; however under certain
unusual conditions, a PPTC device may automatically reset. PPTC devices should not be used in an application where an automatic reset
could create a safety hazard, such as garbage disposals and blenders. Appropriate qualification testing should be performed.
6) It is the responsibility of the user to determine the need for back up or failsafe protection to prevent damage that may occur in the event
of abnormal function or failure of the PPTC device.
7) Operation in circuits with a large inductance can generate a circuit voltage (Ldi/dt) above the rated voltage of a PPTC device.This product should
not be used in an application where the maximum interrupt voltage or maximum interrupt current can be exceeded by inductive spikes.
8) Devices are not recommended for reflow soldering.
9) Device performance can be impacted negatively if devices are handled in a manner inconsistent with recommended electronic, thermal,
or mechanical procedures for electronic components.
10) PPTC devices are not recommended for installation in applications where the device is constrained such that its PTC properties are
inhibited, for example in rigid potting materials or in rigid housings, which lack adequate clearance to accommodate device expansion.
11) Contamination of the PPTC material with certain silicone-based oils or some aggressive solvents can adversely impact the performance
of the devices.
Figure L2-L5 Dimension Figures for LVR Devices
Figure L2
Figure L3
12
Figure L4
A
C
C L to CL
A
B
D
B
E
E
Figure L5
A
C
C L to CL
A
B
D
B
E
E
C
C L to CL
D
C
C L to CL
D
166
RoHS Compliant, ELV Compliant
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