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PTCCL07H321DBE Datasheet(PDF) 1 Page - Vishay Siliconix

Part # PTCCL07H321DBE
Description  30 V to 60 V PTC Thermistors for Overload Protection
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Manufacturer  VISHAY [Vishay Siliconix]
Direct Link  http://www.vishay.com
Logo VISHAY - Vishay Siliconix

PTCCL07H321DBE Datasheet(HTML) 1 Page - Vishay Siliconix

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PTCCL - 30 V / 60 V Series
www.vishay.com
Vishay BCcomponents
Revision: 21-Sep-15
1
Document Number: 29085
For technical questions, contact: nlr@vishay.com
THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT
ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT www.vishay.com/doc?91000
30 V to 60 V PTC Thermistors for Overload Protection
QUALITY
UL approved PTCs are guaranteed to withstand severe test
programs and have factory audited follow-up programs.
Major UL qualification tests are long-life (6000 cycles)
electrical cycle tests at trip-current, long-life stability
storage tests (3000 h at 250 °C), damp heat and water
immersion tests and over-voltage tests up to 200 % of rated
voltage.
UL approved PTCs are guaranteed to withstand severe test
programs
• Long-life cycle tests (over 5000 trip cycles)
• Long-life storage tests (3000 h at 250 °C)
• Electrical cycle tests at low ambient temperatures
(-40 °C or 0 °C)
• Damp-heat and water immersion tests
• Overvoltage tests at up to 200 % of rated voltage
FEATURES
• Wide range of trip and non-trip currents:
From 94 mA up to 2 A for the trip current
• Small ratio between trip and non-trip currents
(It/Int = 1.5 at 25 °C)
• High maximum overload current (up to 23 A)
• Leaded parts withstand mechanical stresses
and vibration
• UL file E148885 according to XGPU standard UL1434
• Material categorization: for definitions of compliance
please see www.vishay.com/doc?99912
APPLICATIONS
Overload (current, voltage, temperature) protection in:
• Industrial electronics
• Consumer electronics
• Electronic data processing
DESCRIPTION
These directly heated ceramic-based thermistors have a
positive temperature coefficient and are primarily intended
for overload protection. They consist of a ceramic pellet
soldered between two tinned CCS wires and coated with a
UL 94 V-0 high temperature hard silicone lacquer.
Bare metalized pellets are available on request.
MOUNTING
PTC thermistors can be mounted by wave, reflow, or
hand-soldering. Current levels have been determined
according
IEC
60738
conditions.
Different
ways
of
mounting or connecting the thermistors can influence their
thermal and electrical behavior. Standard operation is in air,
any potting or encapsulation of PTC thermistors is not
recommended and will change its operating characteristics.
Typical Soldering
235 °C; duration: 5 s (lead (Pb)-bearing)
245 °C, duration: 5 s (lead (Pb)-free)
Resistance to Soldering Heat
260 °C, duration: 10 s max.
MARKING
Only the gray lacquered thermistors with a diameter of
8.5 mm to 20.5 mm are marked with BC,
R25 value
(example 1R9) on one side and Int, Vmax. on the other side.
QUICK REFERENCE DATA
PARAMETER
VALUE
UNIT
Maximum voltage (DC or AC)
30 to 60
V
Maximum holding current (Int)
0.094 to 2
A
Resistance at 25 °C (
R25)
0.3 to 50
Ω
Tolerance on
R25 value
20
%
Maximum overload current Iol
0.8 to 23
A
Switching temperature
135 to 145
°C
Operating temperature range
at max. voltage
-40 to +85
°C
Storage temperature
-40 to +150
°C


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