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MSD1260-103MLD Datasheet, PDF (1/3 Pages) Coilcraft lnc. – Coupled Inductors
Document 528-1
Coupled Inductors  MSD1260 ForFlyback,SEPIC,Zeta
and other Applications
01.428,34max
01.428,34max
123
X
Dot indicates pin1
Dash number
Internal code
Parts manufactured
prior to Sept. 2007
were marked with
only the dash number.
0.197
5,0
0.197
5,0
34
21
0.236 ±0.008*
6,0 ±0,2
0.138
3,5
Recommended
Land Pattern
0.157
4,0
0.217
5,5
2 1 0.177
3 4 4,5
0.059
1,5
*
For optional tin-lead and tin-silver-copper
terminations, dimensions are for the mounted
part. Dimensions before mounting can be
an additional 0.012 inch (0,3 mm).
1
Dimensions
are
in
inches
mm
L1
3
0.079
2,0
2
L2
4
• Tight coupling (k ≥ 0.98)
• 500 V isolation
• Ideal for use in a variety of circuits including flyback, multi-output
buck, SEPIC and Zeta.
• High inductance, high efficiency and excellent current handling
• Can also be used as two single inductors connected in series
or parallel, as a common mode choke or as a 1 : 1 transformer.
+
D
L1
L2
C
VIN
C
SW
+
VOUT
–
–
Typical Flyback Converter
L2 D C
+
VOUTAUX
–
+
+
L1
VIN
D
SW
C
VOUT
–
–
Typical Buck Converter with auxiliary output
+
VIN C
L1
Q
C1
L2
D
C
+
VOUT
–
–
Typical SEPIC schematic
+
Q
VIN C
C1
L1
L2
D
C
+
VOUT
–
–
Typical Zeta schematic
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Document 528-1  Revised 01/13/12
© Coilcraft Inc. 2013
This product may not be used in medical or high
risk applications without prior Coilcraft approval.
Specification subject to change without notice.
Please check web site for latest information.