Features

n

Shieldedconstruction

n

Metalalloypowdercore

n

Highsaturationcurrent

n

Lowbuzznoise

n

Inductancerange:0.10to22µH

n

RoHScompliant*andhalogenfree**

SRP7028C Series - Shielded Power Inductors

Operating Temperature

................................-40 °C to +125 °C

(Temperature rise included)

Storage Temperature (Component)

................................. -40 °C to +125 °C

Rated Current

............ Inductance drops 30 % at Isat

Moisture Sensitivity Level.....................1

ESD Classification (HBM).................N/A

Note 1: Circuit design, component, PCB trace

size and thickness, airflow and other cooling

provisions all affect the part temperature.

Part temperature should be verified in the end

application.

Electrical Specifications @ 25 °C

General Specifications

Core..........................Metal alloy powder

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

Terminal Finish ..............................Sn/Ni

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

Materials

Product Dimensions

Recommended Layout

How to Order

SRP7028C - 100M

Model

Value Code (see table)

Bourns

Part Number

Inductance

@ 100 kHz

/ 1 V

Q (Min.)

@100 kHz

/ 1 V

SRF

(MHz)

Typ.

DCR

(mW)

Typ.

DCR

(mW)

Max.

Irms

(A)

Typ.

Isat

(A)

Typ.

Terminal

Type

L (µH)

Tol.

(%)

SRP7028C-R10M 0.10 ± 20

5

196

1.2

1.7 37.5

60.0

Lead

Frame

SRP7028C-R15M 0.15 ± 20

5

190

1.5

1.9 27.0

50.0

SRP7028C-R24M 0.24 ± 30

10

118

2.5

3.1 23.0

39.0

SRP7028C-R25M 0.25 ± 20

10

118

2.5

3.1 23.0

39.0

SRP7028C-R33M 0.33 ± 20

10

115

3.5

3.9 20.0

32.0

SRP7028C-R47M 0.47 ± 20

10

62

4.0

4.3 17.5

27.0

SRP7028C-R68M 0.68 ± 20

15

55

4.8

5.5 15.5

25.0

SRP7028C-1R0M 1.00 ± 20

15

45

8.3

10.0 11.0

22.0

SRP7028C-1R5M 1.50 ± 20

15

40

11.0

14.0

9.0

18.0

SRP7028C-2R2M 2.20 ± 20

15

32

15.0

18.0

8.0

14.0

SRP7028C-3R3M 3.30 ± 20

15

25

27.0

30.0

6.0

13.5

SRP7028C-4R7M 4.70 ± 20

15

21

37.0

40.0

5.5

10.0

SRP7028C-6R8M 6.80 ± 20

15

16

54.0

60.0

4.5

8.3

SRP7028C-8R2M 8.20 ± 20

15

15

60.0

66.0

4.1

6.8

SRP7028C-100M 10.00 ± 20

15

14

63.0

68.0

3.5

6.0

SRP7028C-150M 15.00 ± 20

20

12

107.0 123.0

3.0

4.0

SRP7028C-220M 22.00 ± 20

20

10

155.0 180.0

2.2

3.6

Soldering Profile

1R0

1907H

7.1 ± 0.30

(.280 ± .012)

6.6 ± 0.20

(.260 ± .008)

2.8 ± 0.20

(.110 + .008)

1.6 ± 0.30

(.063 ± .012)

1.8 ± 0.30

(.071 ± .012)

3.0 ± 0.20

(.118 ± .008)

1R0

1906H

25

Time (Seconds)

REFLOW TIMES: 3 MAX.

150

200

217

tp (245 °C / 20~40 seconds)

TP (260 °C / 10 seconds max.)

PRE-HEATING

SOLDERING

NATURAL

COOLING

60 ~ 150 seconds

60 ~ 180 seconds

480 seconds max.

Please consult Bourns® Model SRP-A

Series Visual Inspection Guide for detailed

construction, processing and testing

information.

*RoHSDirective2015/863,Mar31,2015andAnnex.

**Bournsconsidersaproducttobe“halogenfree”if(a)theBromine(Br)contentis900ppmorless;(b)theChlorine

(Cl)contentis900ppmorless;and(c)thetotalBromine(Br)andChlorine(Cl)contentis1500ppmorless.

Specificationsaresubjecttochangewithoutnotice.

Usersshouldverifyactualdeviceperformanceintheirspecificapplications.

Theproductsdescribedhereinandthisdocumentaresubjecttospecificlegaldisclaimersassetforthonthelastpageof

8.0

(.315)

3.4

(.134)

3.7

(.146)

DIMENSIONS:

MM

(INCHES)

WARNING Cancer and Reproductive Harm - www.P65Warnings.ca.gov