Soldering Profile

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

SRF1280A Series - Dual-Winding Shielded Power Inductors

Specifications are subject to change without notice.

The device characteristics and parameters in this data sheet can and do vary in different applications and actual device performance may vary over time.

Users should verify actual device performance in their specific applications.

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