SD250-1L_15 Datasheet, PDF (2/2 Pages) Coilcraft lnc. – Base/Gate Driver Transformers

Document 130-2
Custom Version Specifications
In addition to the standard base/gate driver transformers shown here, Coilcraft can provide custom versions to meet
your specifications.
Our two basic structures are the 0.95″ high part shown and a 1.20″ high version. Both are available with either single
or double sections.
Volt-Time vs Primary Turns*
3000
2500
2000
1500
1000
500
0.95^{² high bobbins}
20 40 60 80 100 120 140 160
NP (turns)
* Applies to both double and single section bobbins.
Turns Per Layer vs Wire Size*
36
34
32
30
Double ^{section bobbins}
28
26
24
22
20
18
16
14
12
10
20
50
100
Nl (turns/layer)
* Applies to both 0.95² and 1.20² high bobbins.
Please use the information below to determine the performance characteristics available.
Core
0.95″ high bobbins 1.20″ high bobbins
Initial permeability
2000^ µ
2000^ µ
A_e (core cross-sectional area)  0.40 cm²  0.80 cm²
l_e (mean magnetic path length)
4.90 cm
4.80 cm
Bobbin
Material UL94V-0, 130°C
Number of terminals available
10
10
Number of wiring sections available
1 or 2
1 or 2
Document 130-2  Revised 04/20/12