R68

6.86 ± 0.5

(0.270 ± 0.020)

6.47 ± 0.5

(0.255 ± 0.020)

7.8

(0.307)

MAX.

MAX.

1.6 ± 0.5

(0.063 ± 0.020)

2.1 ± 0.5

(0.083 ± 0.020)

7.0

(0.276)

MAX.

3.7

(.146)

MAX.

3.9

(.153)

8.7

(0.343)

3.5

(.138)

3.7

(.146)

Features

■

Formerly

model

■

Shielded construction

■

Unit height of 3.2 mm

■

Inductance range: 0.1 µH to 1.5 µH

■

Current up to 32.5 A

■

RoHS compliant*

Applications

■

Input/output of DC/DC converters

■

Power supplies for:

• Portable communications equipment

• Camcorders

• LCD TVs

• Car audio systems

PM7232S Series - Shielded Power Inductors

*RoHS Directive 2002/95/EC Jan 27 2003 including Annex.

Specifications are subject to change without notice.

Customers should verify actual device performance in their specific applications

General Specifications

Test Voltage ..................................0.25 V

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

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

Operating Temperature

............................... -55 °C to +150 °C

(Temperature rise included)

Storage Temperature

............................... -55 °C to +150 °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 I sat

Temperature Rise .... 40 ˚C at rated I rms

Packaging.....1000 pcs. per 13-inch reel

DIMENSIONS:

MM

(INCHES)

Product Dimensions

Electrical Specifications

J.W.Miller

Inductance

I rms

I sat

DCR

Bourns Part No.

L (µH)

(A)

(A)

(mΩ) max.

PM7232S-R10M-RC

0.10

32.5

42

1.7

PM7232S-R22M-RC

0.22

23.0

36

2.8

PM7232S-R47M-RC

0.47

17.5

26

4.2

PM7232S-R72M-RC

0.72

15.5

20

5.5

PM7232S-1R0M-RC

1.0

11.0

15

10.0

PM7232S-1R5M-RC

1.5

9.0

14

15.0

Soldering Profile

Electrical Schematic

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

Recommended Layout