2452.7 데이터 시트보기 (PDF) - Pulse Electronics
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2452.7 Datasheet PDF : 5 Pages
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CONSUMER PRODUCTS
Consumer Products
LCD TV & PLASMA TV COMPONENTS (continued)
Passive PFC Coil
Series 6001 – Laminated-core Power-Factor-Correction Coil
Applications
These chokes are mainly intended to be used as harmonics coils for high-end 30” to 42” LCD TV sets to
make them comply with the EN61000-3-2 standard. These components are suitable for operation at
mains frequency (50-60 Hz)
Features
● Magnetic circuit of these chokes consists of UU or EI laminated cores made by high performance
silicon steel
● Single-winding (EI) or double-winding (UU) construction
● Acoustical noise-free construction
● Input power up to 200 W @ mains frequency with EI-42 core size and horizontal dimensions down
to 42mm x 56mm
Mechanical and Magnetic Data
● High permeability and saturation flux density core
● High inductance value allowed
● Low-profile horizontal coil-formers result in a component height down to 28mm above the PCB
Options
● Customized pinout and inductance value
● Core fixing by mylar tape or argon welding
● Available core dimensions up to EI-66 and UU-40
Active PFC Coil
Series 2712 (standard core), Series 2702 (low-profile core),
Power-Factor-Correction Coil
Applications
These chokes are mainly intended to be used as harmonics coils for
high-end 26” to 42” LCD TV sets to make them comply with the
EN61000-3-2 standard. The most suitable circuit topology for these
chokes is transition-mode controlled boost DC/DC converter (i.e. L6561
from ST or MC33262 from ON Semiconductor). The common range of
operation for these chokes is from 100-200 kHz.
Features
● Magnetic circuit of chokes consists of two, RN14-type ferrite
cores having a round central leg where the windings and the air
gap are placed
● Maximum primary power: 200 W @150 kHz for low-profile RM14;
250 W @ 150 kHz for standard RM14
● Layer technology, enameled Lizt wire recommended for proximity and skin
effects reduction
Mechanical and Magnetic Data
● Pinout configuration: 12 in-line pins (6+6) with 35.56mm spacing
and 5.08mm pitch
● The ferrite core can be either standard or low-profile RM14-type,
resulting in a component height down to 21mm above the PCB
Options
● Customized electrical design and pinout
● Mounting clips
● 2702 bobbin without through-hole flange available
● Total height above the PCB: 30 mm for standard RM14; 21mm
for low-profile RM14
For more information, contact Pulse Consumer Division Applications Engineering via e-mail at: consumer@pulseeng.com.
G003.U (2/07)
www.pulseeng.com
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