1R2

12.9

(0.508)

12.9

(0.508)

13.7

(0.539)

MAX.

MAX.

MAX.

2.5 ± 0.5

(0.098 ± 0.020)

3.0 ± 0.5

(0.118 ± 0.020)

13.7

(0.539)

MAX.

MAX.

6.5

(.256)

MAX.

7.0

(.276)

15.0

(0.591)

4.5

(.177)

7.0

(.276)

Features

Applications

• Portable communications equipment

• Camcorders

• LCD TVs

• Car audio systems

SRP1270 Series - Shielded Power Inductors

*RoHS Directive 2002/95/EC Jan. 27, 2003 including annex and RoHS Recast 2011/65/EU June 8, 2011.

Specifications are subject to change without notice.

Customers should verify actual device performance in their specific applications.

Electrical Specifications

Product Dimensions

DIMENSIONS:

MM

(INCHES)

Recommended Layout

Soldering Profile

25

75

125

175

225

275

0

50

100

150

200

250

300

Time (Seconds)

120 -150 seconds

60 seconds

maximum

260 °C peak

190°C

150 °C

220 °C

Ramp Down

5 °C/second

<1> 255 °C

<1> Maximum of 10 seconds

between +255 °C and +260 °C

Ramp Up

4 °C/second maximum

10 seconds minimum

Electrical Schematic

General Specifications

Test Voltage ....................................1.0 V

Test Frequency ......................... 100 KHz

Reflow Soldering .. 230 °C; 50 sec. max.

Operating Temperature

................................-55 °C to +125 °C

(Temperature rise included)

Storage Temperature

................................-55 °C to +125 °C

Resistance to Soldering Heat

............................. +260 °C for 10 sec.

Materials

Core..................................................Iron

Wire ............................Enameled copper

Adhesive.............................. Epoxy resin

Terminal ....................................Ag/Ni/Sn

Rated Current ..... Ind. drops 20 % at Isat

Temperature Rise .....40 °C at rated Irms

Packaging....... 400 pcs. per 13-inch reel

Bourns Part No.

Inductance

L (

μH) ±20 %

I rms

(A)

I sat

(A)

DCR

(m

Ω) Max.

SRF

(MHz) Typ.

SRP1270-R32M

0.32

46

65

0.9

95

SRP1270-R47M

0.47

41

65

1.2

85

SRP1270-R68M

0.68

35

60

1.6

65

SRP1270-1R0M

1.0

32

50

2.1

45

SRP1270-1R5M

1.5

27

48

2.6

31

SRP1270-1R8M

1.8

24

41

3.2

31

SRP1270-2R2M

2.2

22

40

4.2

25

SRP1270-3R3M

3.3

18

35

6.6

20

SRP1270-4R7M

4.7

15

30

11.2

15

SRP1270-5R6M

5.6

14

26.5

10.0

13

SRP1270-6R8M

6.8

12

21

14.0

12

SRP1270-8R2M

8.2

11

17

15.5

11

SRP1270-100M

10.0

10

16

16.8

10