SRF1280A Series - Dual-Winding Shielded Power Inductors

Inductance vs. IDC

3.3

4.4

2.2

1.1

0.0

3.38

4.50

2.25

1.13

0.0

IDC (A)

IDC (A)

L @ 25 °C

L @ 125 °C

ΔT @ 25 °C

0.0

20.0

40.0

60.0

80.0

100.0

0.0

10.0

20.0

30.0

40.0

50.0

0.0

200.0

400.0

600.0

800.0

0.9

1.2

0.6

0.3

0.0

0.28

0.0

0.55

1.10

0.83

IDC (A)

IDC (A)

L @ 25 °C

L @ 125 °C

ΔT @ 25 °C

0.0

20.0

40.0

60.0

80.0

100.0

0.0

1200.0

300.0

600.0

900.0

0.4

0.2

0.0

0.20

0.0

0.60

0.40

0.80

1.00

0.8

1.0

0.6

IDC (A)

IDC (A)

L @ 25 °C

L @ 125 °C

ΔT @ 25 °C

0.0

20.0

40.0

60.0

80.0

100.0

SRF1280A-102M

SRF1280A-681M

SRF1280A-470M

SRF1280A-102M

SRF1280A-681M

SRF1280A-470M

Temperature Rise vs. IDC

Peak Temperature:

245 °C max.

Time Above 245 °C:

30 sec. max.

Time Above 217 °C:

60 ~ 150 sec. max.

250

0

50

50

200

150

100

+4.0 °C / sec. max.

150~200 °C / 60~120 sec.

+3.0 °C / sec. max.

-(1.0~5.0) °C / sec. max.

Temperature

Rising Area

Preheat Area

Reflow Area

Forced Cooling Area

200

Time (Seconds)

100

150

60 ~ 150 sec.

60 sec. max.

217 °C

60 ~ 120 sec.

250

How to Order

Soldering Profile

SRF1280A - 100M

Model

Value Code (see table)

Specifications are subject to change without notice.

Users should verify actual device performance in their specific applications.

The products described herein and this document are subject to specific legal disclaimers as set forth on the last page of this document, and at www.bourns.com/docs/legal/disclaimer.pdf.