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參數(shù)資料
| 型號： | 2074.5 |
| 廠商： | Pulse Engineering, Inc. |
| 英文描述： | SWITCH-MODE TRANSFORMER GUIDE BY TECHNOLOGY |
| 中文描述： | 開關模式變壓器技術指導 |
| 文件頁數(shù)： | 4/5頁 |
| 文件大小： | 197K |
| 代理商： | 2074.5 |
G003.U (2/07)
www.pulseeng.com
49
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
CONSUMER PRODUCTS
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
LCD TV & PLASMA TV COMPONENTS
(continued)
For more information, contact Pulse Consumer Division Applications Engineering via e-mail at:
consumer@pulseeng.com.
Consumer Products
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