Features

■

Shielded construction

■

Metal alloy powder core

■

High saturation current

■

Low buzz noise

■

Flat wire

■

AEC-Q200 compliant

■

RoHS compliant* and halogen free**

SRP4018FA Series – Shielded Power Inductors

Operating Temperature

................................-55 °C to +155 °C

(Temperature rise included)

Storage Temperature (Component)

................................-55 °C to +155 °C

Rated Current

Inductance drops 10, 20 or 30 % at Isat

Temperature Rise

................... 20 or 40 °C at rated Irms1

MSL ...................................................... 1

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

Note 1: Circuit design, component, PCB trace size and

thickness, airflow and other cooling provisions all can

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

Packaging..... 3000 pcs. per 13-inch reel

Materials

Typical Part Marking

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

** 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.

WARNING

Cancer and Reproductive Harm

www.P65Warnings.ca.gov

R68

YYWW

INDUCTANCE

CODE

DATE CODE:

YY = LAST TWO DIGITS OF YEAR

WW = WEEK NUMBER

1R0

1933

Bourns

Part Number

Inductance

@ 100 kHz / 0.1 V

Q

Min.

@ 100

kHz

SRF

(MHz)

Typ.

DCR

(mΩ)

Typ.

DCR

(mΩ)

Max.

I rms (A)

Typ.

I sat (A)

Typ.

L (μH)

Tol. %

20 °C

Temp. Rise

40 °C

Temp. Rise

10 % L

Drop

20 % L

Drop

30 % L

Drop

SRP4018FA-R33M

0.33

± 20 %

15

92

4.7

5.2

11

15

8.0

11.5

15

SRP4018FA-R47M

0.47

± 20 %

15

90

6.0

6.8

9.8

13.2

7.0

10.0

14

SRP4018FA-R60M

0.60

± 20 %

15

85

6.9

7.8

9.4

12.4

5.8

8.8

12.8

SRP4018FA-R68M

0.68

± 20 %

15

73

7.3

8.2

9.2

12

5.2

8.0

11.6

SRP4018FA-R82M

0.82

± 20 %

15

62

8.6

9.5

8.5

11.5

4.8

6.5

10.2

SRP4018FA-1R0M

1.00

± 20 %

15

56

10.6

11.7

8.0

11

4.5

5.4

9.2

SRP4018FA-1R2M

1.20

± 20 %

15

53

12.2

13.4

7.2

9.5

4.3

5.0

8.6

R68

1933

4.1 ± 0.2

(.161 ± .008)

3.4 ± 0.3

(.134 ± .012)

1.8 ± 0.2

(.071 ± .008)

0.88 ± 0.2

(.035 ± .008)

4.1 ± 0.2

(.161 ± .008)

1.6 ± 0.25

(.063 ± .010)

Product Dimensions

DIMENSIONS:

MM

INCHES

How to Order

SRP4018FA - 1R0M

Model

Value Code (see table)

Schematic

3.8

(.150)

REF.

REF.

REF.

3.4

(.134)

1.4

(.055)

Recommended Layout