Applications SMD NTC Thermistor SMD NTC Thermistor with Ni-Barrier Termination

Applications SMD NTC Thermistor  SMD NTC Thermistor with Ni-Barrier Termination
SMD NTC Thermistor
SMD NTC Thermistor with Ni-Barrier Termination
Preliminary Data sheet
B57621C5472*062
FOR INFORMATION ONLY
Applications
-
Temperature measurement and compensation for mobile phone applications (e.g. battery pack,
TCXO, LCD display), automotive and data systems
Features
-
-
Standard EIA chip size 1206
SMD NTC with Ni - Barrier termination (Ag/Ni/Sn)
The component is compliant with ROHS (DIRECTIVE 2002/95/EC OF THE EUROPEAN
PARLIAMENT AND THE COUNCIL of 27 January 2003 on the restriction of the use of certain
hazardous substances in electrical and electronic equipment)
Suitable for lead-free soldering process
Electrical Specifications
Zero-Power
Resistance
(at 25°C)
Part Number
B25/100
B57621C5472*062
3520 K ± 3%
4,7 kΩ
* = Resistance Tolerance: J for ∆R/R25 = ± 5%
K for ∆R/R25 = ± 10%
M for ∆R/R25 = ± 20%
Climatic Category (IEC 60068-1)
Lower category temperature
Higher category temperature
Power rating at 25°C
Dissipation factor (on PCB)
Thermal cooling time constant (on PCB)
Heat capacity
Weight of component
1)
B25/85
B25/50
(3500 K)
(3430 K)
55/125/21
-55°C
125°C
300mW 1)
approx. 5.0 mW/K 1)
approx. 10 s 1)
approx. 50 mJ/K 1)
approx. 18 mg
P25
Gth
Tth
Cth
Depends on mounting situation
Part Dimensions
Type
1206
L
3.2±0.2
W
1.6±0.2
W
T
1.3 max.
k
0.5±0.25
T
L
Dimensions in mm
k
Term ination Ag/Ni/Sn
Dim ensions in [mm ]
 EPCOS AG 2005. Reproduction, publication and dissemination of this data sheet, enclosures hereto and the information
contained therein without EPCOS' prior express consent is prohibited.
Purchase orders are subject to the General Conditions for the Supply of Products and Services of the Electrical and
Electronics Industry recommended by the ZVEI (German Electrical and Electronic Manufacturers' Association), unless
otherwise agreed.
ISSUE DATE
27.06.05
ISSUE
P1
PUBLISHER
KB S PE
PAGE
1/1
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