SRN4012BTA Series - Semi-shielded Power Inductors

Features

n

Semi-shielded construction

n

Bottom soldered lead-wire for enhanced product reliability

n

AEC-Q200 compliant

n

RoHS compliant* and halogen free**

Additional Information

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Electrical Specifications @ 25 °C

Bourns Part No.

Inductance @

100 kHz / 1 V

Q

@

1 MHz

Min.

SRF

(MHz)

Typ.

DCR

(mW)

Typ.

DCR

(mW)

Max.

Irms

(A)

Typ.

Isat

(A)

Typ.

L (mH) Tol. %

SRN4012BTA-R47M

0.47

20

10

238

25

30

5.5

5.0

SRN4012BTA-R68M

0.68

20

10

188

36

43

5.0

4.6

SRN4012BTA-1R0M

1.0

20

10

140

43

52

4.4

4.0

SRN4012BTA-1R2M

1.2

20

10

138

44

53

4.2

3.8

SRN4012BTA-1R5M

1.5

20

10

110

52

62.4

3.9

3.3

SRN4012BTA-2R2M

2.2

20

10

92

66

79.2

3.3

2.5

SRN4012BTA-3R3M

3.3

20

10

76

81.6

98

2.8

1.9

SRN4012BTA-4R7M

4.7

20

10

65

112

134

2.5

1.6

SRN4012BTA-5R6M

5.6

20

10

53

135

162

2.1

1.4

SRN4012BTA-6R8M

6.8

20

10

45

165

198

1.8

1.25

SRN4012BTA-100M

10

20

10

29

230

276

1.4

1.0

SRN4012BTA-150M

15

20

10

27

320

384

1.2

0.9

SRN4012BTA-220M

22

20

10

23

470

564

1.0

0.7

SRN4012BTA-330M

33

20

10

19

850

1020

0.8

0.6

SRN4012BTA-470M

47

20

10

16

1100

1320

0.65

0.48

General Specifications

Operating Temperature

.................................. -55 °C to +125 °C

(Temperature rise included)

Storage Temperature

(Component on board)

.................................. -55 °C to +125 °C

(In tape and reel package)

.............. -10 °C to +40 °C, 50-60 % RH

Temperature Rise ......40 °C at rated Irms1

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.

Materials

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

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

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

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

Packaging...... 4000 pcs. per 13-inch reel

Product Dimensions

4.0 ± 0.2†

(.157 ± .008)

4.0 ± 0.2†

(.157 ± .008)

3.5 ± 0.3

(.138 ± .012)

1.0 ± 0.2†

(.039 ± .008)

1.2 ± 0.3

(.047 ± .012)

TOP VIEW

SIDE VIEW

BOTTOM VIEW

DIMENSIONS:

MM

(INCHES)

Electrical Schematic

How to Order

SRN4012BTA - R47M

Model

Value Code (see table)

†

Dimension does not include termination. For

maximum overall dimensions with termination,

add 0.1 mm (.004 in.).

* 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

DIMENSIONS:

MM

(INCHES)

Recommended Layout

4.5

(.177)

4.5

(.177)

1.5

(.059)

AUTOMOTIVE

GRADE