Dual-Winding Shielded Power Inductors
*RoHS&COAEMCPLCIOANMTP,LI*A*NHTALOGEN FREE
Features
Applications
■ Multiple applications: parallel, series,
■ DC/DC ...
Description
*RoHS&COAEMCPLCIOANMTP,LI*A*NHTALOGEN FREE
Features
Applications
■ Multiple applications: parallel, series,
■ DC/DC converters
dual-inductor and transformer
■ Power supplies
10 1 ■ Magnetically shielded, low radiation ■ Inductance range: 0.47 to 1000 μH
■ SEPIC - DC/DC converters
■ Rated current up to 17.9 A
■ AEC-Q200 compliant
■ RoHS compliant* and halogen free**
SRF1280A Series - Dual-Winding Shielded Power Inductors
Electrical Specifications @ 25 °C
Parallel Rating
Series Rating
Bourns Part No.
Inductance @ 100 KHz Tol.
L (μH) (%)
DCR
(Ω) Max.
Inductance Irms Isat @ 100 KHz Tol. (A) (A) L (μH) (%)
DCR
(Ω) Max.
Irms Isat (A) (A)
SRF1280A-R47Y SRF1280A-1R0Y SRF1280A-1R5Y SRF1280A-2R2Y SRF1280A-3R3Y SRF1280A-4R7Y SRF1280A-6R8Y SRF1280A-8R2Y SRF1280A-100M SRF1280A-150M SRF1280A-220M SRF1280A-330M SRF1280A-470M SRF1280A-680M SRF1280A-820M SRF1280A-101M SRF1280A-151M SRF1280A-221M SRF1280A-331M SRF1280A-471M SRF1280A-681M SRF1280A-821M SRF1280A-102M
0.47 1.0 1.5 2.2 3.3 4.7 6.8 8.2 10 15 22 33 47 68 82 100 150 220 330 470 680 820 1000
± 30 0.0055 17.9 56
1.676 ± 30 0.0216 8.94 28
± 30 0.0067 15.5 40
3.284 ± 30 0.026 7.74 20
± 30 0.0076 13.5 31.1 5.428 ± 30 0.0306 6.77 15.6
± 30 0.0092 12.5 25.5 8.108 ± 30 0.0338 6.23 12.7
± 30 0.011 10.4 21.5 11.320 ± 30 0.04 5.23 10.8
± 30 0.0135 8.25 16.5 19.360 ± 30 0.05 4.13 8.24
± 30 0.0183 7.34 13.3 29.550 ± 30 0.0656 3.67 6.67
± 30 0.0191 6.32 12.2 35.440 ± 30 0.0714 3.16 6.09
± 20 0.0241 6.04 11.2 41.88...
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