EPR-21 – 5 V, 30 W DC-DC Converter
19-Nov-02
8 Inductor Specification
2
5, 6
7, 8
WDG #1
18 T
WDG #2
7 T
#32 AWG
2 X #24 AWG
1
Figure 6 – EP-21 Inductor, L2 Rev. 6.
8.1 Electrical Specifications
Electrical Strength
Creepage
1 s, from Pins 1, 2 to Pins 5-8
Between Pins 1, 2 and Pins 5-8
Pins 5, 6 to 7, 8, all other windings open,
measured at 100 kHz, 400 mVRMS
1500 VDC
N/A
8 µH,
±10%
N/A
Inductance
Resonant Frequency
Primary Leakage Inductance
N/A
8.2 Materials
Item
[1]
[2]
[3]
[4]
[5]
[6]
Description
Core: PR 14 X 8 Epcos N87, P/N B65755-J-R87 Gap for AL of 163 nH/T2
Bobbin: 8 pin P1408 surface mount B&B B-096 or equivalent
Magnet Wire: #24 AWG Double Coated
Magnet Wire: #32 AWG Double Coated
Tape, Polyester, 3M #1298 or equiv. 4.5 mm wide
Varnish
Power Integrations, Inc.
Tel: +1 408 414 9660 Fax: +1 408 414 9760
www.powerint.com
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