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SRW25SEC 데이터시트 PDF




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기능 General Transformers
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SRW25SEC 데이터시트, 핀배열, 회로
(1/15)
001-01 / 20010913 / e6355_srw.fm
Transformers
For Power Supply
Pin Terminal
SRW Series
(General Transformers, Barrierless Transformer®)
GENERAL TRANSFORMERS, BARRIERLESS TRANSFORMER®
The SRW series transformer for switching power supplies utilizes
ferrite materials, which makes it possible to achieve an incredibly
high efficiency in the required frequency range.
FEATURES
• By using high efficiency ferrite cores suitable for power conversion
with very low power loss and large magnetic flux density it is
possible to design transformers that is quite compact in size and
high efficiency.
• A wide variety of shapes and sizes from low output to high
output power, gives great flexibility of design switching power
supply.
• Bobbins and other components are also available which are
capable for a variety of safety regulations such as UL, CSA and
VDE.
APPLICATIONS
Transformers and Inductors for switching power supplies used for
TVs, CRT Monitors, VCRs, DVDs, printers, air conditioners, AC
adaptors, etc.
PRECAUTIONARY ITEMS REGARDING THE PRODUCT
• The maximum output power is a guideline for Flyback converter
topology operating at 50kHz. There may be differences depending
upon the circuit topologies.
• Special ferrite materials produced for power transformers with
large magnetic flux density are used in the ferrite core, so that
temperature rise of transformer is within 45°C in standard design
condition.
• Transformer temperature may rise even during normal operation, it
is advisable that you provide a sufficient mounting distance from
parts such as electrolytic capacitors, which do not withstand heat
well.
• A beat sound noise may be generated even under normal
operation (no harmful effect on usage).
• Please consult with us concerning usage outside of ratings.
• The products has not acquired approval for safety regulations,
however, it has been constructed with materials and structures
that meet with all types of safety regulations. Please consult with
us about individual categories concerning the acquisition of
safety regulations.
• Please make inquiries before use regarding industrial properties
outside the ownership of our company regarding the contents
stated here.
• When designing transformers, please feel free to contact with us
concerning designs for ferrite materials and standard bobbins,
which are not listed.
• All specifications are subject to change without notice.
Free Datasheet http://www.datasheet4u.com/




SRW25SEC pdf, 반도체, 판매, 대치품
Transformers
For Power Supply
Pin Terminal
GENERAL TRANSFORMERS
SHAPES AND DIMENSIONS
1-10.SRW2929ED(12-pin)
(4/15)
001-01 / 20010913 / e6355_srw.fm
SRW Series
(General Transformers)
1-11.SRW3333ED
1-12.SRW35EC
31max.
39.5max.
40max.
P PPP P
12-ø0.8
P=5 ±0.3
123456
PPPPPPP
16-ø1
P=5±0.3
12345678
12 11 10 9 8 7
1-13 SRW40EC
16 15 14 13 12 11 10 9
1-14 SRW42EC
20-ø1
PPPPPPPPP
P=4±0.3
1 2 3 4 5 6 7 8 9 10
20 19 18 17 16 15 14 13 12 11
1-15 SRW45LEC
47max.
47max.
50max.
18-ø1
PPPPPPPP
P=5±0.3
123456789
18-ø1
PPPPPPPP
P=5±0.3
123456789
18 17 16 15 14 13 12 11 10
18 17 16 15 14 13 12 11 10
All specifications are subject to change without notice.
PPPPPPPP
P=5±0.3
1 2 3 4 5 6 7 8 9 18-ø1
18 17 16 15 14 13 12 11 10
Dimensions in mm
Free Datasheet http://www.datasheet4u.com/

4페이지










SRW25SEC 전자부품, 판매, 대치품
(7/15)
001-01 / 20010913 / e6355_srw.fm
Transformers
For Power Supply
Pin Terminal
SRW Series
(Barrierless Transformer®)
BARRIERLESS TRANSFORMER®
STANDARD PRODUCT
Shapes and dimensions
Fig. No.
Part No.
2-1 SRW24ES3
2-2 SRW2820ED5
2-3 SRW2820ED7
2-4 SRW3020ED5
2-5 SRW3741EC9
2-6 SRW4245EC9
2-7 SRW4551EC9
Maximum external
dimensions
W×D×H(mm)max.
25.5×20×20
31×31×24
33×27×26.5
35.5×33×24
45×36×48
51×41×51
55×43×58
Rated output power
(W)max.
Core sectional area
(cm2)
Number of bobbin
divisions
No. of pin terminal
15 0.5 3
25 0.82 5
25 0.82 7
25 0.82 5
80 1.03 9
130 1.48 9
150 1.85 9
9
14
16
16
20
20
22
SHAPES AND DIMENSIONS
2-1.SRW24ES3
2-2.SRW2820ED5(for VCR and DVD)
2-3.SRW2820ED7(for air conditioner)
25.5max.
31max.
9-ø0.8
12345
P1 P1 P1 P1
P2 P2 P2
9876
P1=3.5±0.1
P2=5±0.3
14-ø0.8 1 2 3 4 5 6
P1 P1 P1 P1 P1
P2 P2 P2 P2 P2 P2 P2
14 13 12 11 10 9 8 7
P1=5±0.3
P2=3.5±0.3
33max.
16-ø0.8 1 2 3 4 5 6 7 8
P1 P2 P1 P2 P1 P2 P1
P1 P1 P2 P2 P2 P1 P1
16 15 14 13 12 11 10 9
P1=3.5±0.3
P2=5.5±0.3
Dimensions in mm
All specifications are subject to change without notice.
Free Datasheet http://www.datasheet4u.com/

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