6.0 ± 0.2

(.236 ± .008)

6.0 ± 0.2

(.236 ± .008)

MAX.

2.8

(.110)

5.7

(.224)

1.6

(.063)

1.6

(.063)

6.3

(.248)

TYP.

1.50

(.059)

Features

n

Semi-shielded construction

n

Inductance range: 0.90 to 100 µH

n

Rated current up to 4.6 A

n

RoHS compliant* and halogen free**

Applications

n

DC/DC converters

n

Notebook computers

n

Digital video cameras

n

HDDs

n

Cellphones

n

Televisions, LCD displays

SRN6028 Series - Semi-shielded Power Inductors

* RoHS Directive 2015/863, Mar 31, 2015 and Annex.

**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.

Users should verify actual device performance in their specific applications.

The products described herein and this document are subject to specific legal disclaimers as set forth on the last page of

this document, and at www.bourns.com/docs/legal/disclaimer.pdf.

Operating Temperature

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

(Temperature rise included)

Storage Temperature .... -10 °C to +40 °C

Resistance to Solder Heat

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

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

Rated Current

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

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

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

Electrical Specifications @ 25 °C

Bourns Part No.

Inductance

@ 100 KHz / 1 V

Q

(Ref.)

Test

Freq.

(MHz)

SRF

(MHz)

Typ.

DCR

(W)

Max.

Irms

(A)

Isat

(A)

L (mH) Tol. %

SRN6028-R90Y

0.90

30

12

7.96

105

0.017

4.6

6.7

SRN6028-1R5Y

1.5

30

12

7.96

70

0.021

4.2

5.1

SRN6028-2R2Y

2.2

30

12

7.96

56

0.026

3.7

4.2

SRN6028-3R0Y

3.0

30

12

7.96

46

0.03

3.4

3.6

SRN6028-3R3M

3.3

20

12

7.96

42

0.034

3.4

3.6

SRN6028-3R9M

3.9

20

10

7.96

35

0.038

3.0

2.7

SRN6028-4R7M

4.7

20

10

7.96

34

0.038

3.0

2.7

SRN6028-6R0M

6.0

20

10

7.96

28

0.048

2.5

2.5

SRN6028-6R2M

6.2

20

10

7.96

28

0.063

2.2

2.2

SRN6028-6R8M

6.8

20

10

7.96

27

0.063

2.2

2.2

SRN6028-100M

10

20

18

2.52

20

0.078

1.9

1.9

SRN6028-150M

15

20

14

2.52

17

0.114

1.8

1.6

SRN6028-220M

22

20

18

2.52

14

0.162

1.4

1.3

SRN6028-330M

33

20

11

2.52

10

0.264

1.1

1.1

SRN6028-470M

47

20

11

2.52

9

0.36

0.92

1.0

SRN6028-680M

68

20

11

2.52

7

0.51

0.77

0.8

SRN6028-101M

100

20

16

0.796

6

0.72

0.66

0.65

General Specifications

Core..............................................Ferrite

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

Terminal Finish ........................Sn/Ag/Cu

Coating .................Magnetic epoxy resin

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

Materials

Product Dimensions

Recommended Layout

DIMENSIONS:

MM

(INCHES)

Soldering Profile

6R8

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

200

Max. Peak Temperature -5 °C: 30 sec. max.

Max. Time Above 217 °C: 60~150 sec. max.

Peak Temperature: 250 °C max.

250

150

200

100

50

0

100

50

150

Time (Seconds)

+4.0 °C/Sec. Max.

150~200 °C / 60~120 Sec.

+3.0 °C/Sec. Max.

-(1.0~5.0) °C/Sec. Max.

Temperature

Rising Area

Preheat

Area

Reflow

Area

Forced

Cooling Area

250

Peak Temperature: 250 °C

217 °C

60~120 Sec.

60 Sec.

Max.

60~150 Sec.