SRP8040 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.

Features

Applications

•

Portable communications equipment

•

Camcorders

•

LCD TVs

•

Car audio systems

Electrical Specifications

Product Dimensions

4.4

(.173)

2.4

(.094)

2.4

(.094)

6.8

(.268)

3.0

(0.118)

TYP.

1.80

(.071)

TYP.

4.20 ± 0.30

(.165 ± .012)

3.6

(.142)

7.6 ± 0.15

(.299 ± .006)

8.2 ± 0.30

(.323 ± .012)

6.10 ± 0.15

(.240 ± .006)

9.2

(.362)

General Specifications

Test Voltage .....................................1.0 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...............................................Ferrite

Wire ..................................Tinned copper

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

Rated Current

....................See Electrical Specifications

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

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

Recommended Layout

Electrical Schematic

Inductance

IDC

RDC

RDC

Bourns Part No.

L (µH)

(A)

(mΩ) max.

(mΩ) typ.

SRP8040-R10Y

0.10 ± 30 %

35.0

0.65

0.49

SRP8040-R22Y

0.22 ± 30 %

25.0

0.65

0.49

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

DIMENSIONS:

MM

(INCHES)

SRP8040-R10Y: IDC based on inductance drop 10 % typical of L value at 20 °C.

SRP8040-R22Y: IDC based on inductance drop 30 % typical of L value at 20 °C.