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PTCCL21H202DBE

产品描述PTC Thermistors
产品类别电路保护   
文件大小130KB,共6页
制造商Vishay(威世)
官网地址http://www.vishay.com
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PTCCL21H202DBE概述

PTC Thermistors

PTCCL21H202DBE规格参数

参数名称属性值
Product AttributeAttribute Value
制造商
Manufacturer
Vishay(威世)
产品种类
Product Category
PTC Thermistors
工厂包装数量
Factory Pack Quantity
100

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PTCCL - 30 V / 60 V Series
www.vishay.com
Vishay BCcomponents
30 V to 60 V PTC Thermistors for Overload Protection
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
(I
t
/I
nt
= 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
QUICK REFERENCE DATA
PARAMETER
Maximum voltage (DC or AC)
Maximum holding current (I
nt
)
Resistance at 25 °C (R
25
)
Tolerance on
R
25
value
Maximum overload current I
ol
Switching temperature
Operating temperature range
at max. voltage
Storage temperature
VALUE
30 to 60
0.094 to 2
0.3 to 50
20
0.8 to 23
135 to 145
-40 to +85
-40 to +150
UNIT
V
A
Ω
%
A
°C
°C
°C
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.
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
MARKING
Only the gray lacquered thermistors with a diameter of
8.5 mm to 20.5 mm are marked with BC,
R
25
value
(example 1R9) on one side and I
nt
, V
max.
on the other side.
Revision: 21-Sep-15
Document Number: 29085
1
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

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Product Attribute Attribute Value Attribute Value - - Attribute Value Attribute Value Attribute Value - Attribute Value Attribute Value
制造商
Manufacturer
Vishay(威世) Vishay(威世) - - Vishay(威世) Vishay(威世) Vishay(威世) - Vishay(威世) Vishay(威世)
产品种类
Product Category
PTC Thermistors PTC Thermistors - - PTC Thermistors PTC Thermistors PTC Thermistors - PTC Thermistors PTC Thermistors
工厂包装数量
Factory Pack Quantity
100 1500 - - 1500 1500 1500 - 1500 1500
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