Features

μH

Applications

• Portable communications equipment

• Laptop computers

• Camcorders, HDTV, car audio

systems

• Video game consoles

SRP4012 Series - Shielded Power Inductors

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

** Bourns follows the prevailing definition of “halogen free” in the industry. Bourns considers a product to be “halogen free” if (a) the Bromine (Br ) content is 900 ppm or less;

(b) the Chlorine ( Cl ) content is 900 ppm or less; and (c) the total Bromine (Br) and Chlorine ( Cl ) content is 1500 ppm or less.

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

Bourns Part No.

Inductance

L (

μH) ±20 %

I rms

(A)

I sat

(A)

DCR

(m

Ω) Max.

SRP4012-R22M

0.22

9

10

9.3

SRP4012-R47M

0.47

6.5

9

20

SRP4012-R56M

0.56

5.5

8

25

SRP4012-1R0M

1.0

4.8

6.3

33.6

SRP4012-1R2M

1.2

3

6

45

SRP4012-1R5M

1.5

3

5.5

50

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 ..................................0.25 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

Terminal ........................................ Cu/Sn

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

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

Packaging..... 2000 pcs. per 13-inch reel

R22

4.7

(.185)

MAX.

1.0 ± 0.3

(.039 ± .012)

0.0 - 0.3

(0.0 - .012)

0.6 ± 0.1

(.024 ± .004)

4.0 ± 0.2

(.157 ± .008)

4.0 ± 0.2

(.157 ± .008)

1.2

(.047)

MAX.

6.0

(.236)

1.5

(.059)

2.2

(.087)

Asia-Pacific:

Tel: +886-2 2562-4117 • Fax: +886-2 2562-4116

Europe:

Tel: +41-41 768 5555 • Fax: +41-41 768 5510

The Americas:

Tel: +1-951 781-5500 • Fax: +1-951 781-5700

www.bourns.com