SRP4020T Series – Shielded Power Inductors

Features

n

Shielded construction – low radiation

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Carbonyl iron powder core

n

High saturation current

n

Low buzz noise

n

Inductance range: 0.47 to 10 µH

n

Rated current up to 11 A

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RoHS compliant* and halogen free**

Applications

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Power supplies

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Consumer electronics

Additional Information

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Electrical Specifications @ 25 °C

Bourns

Part Number

Inductance

@ 100 KHz / 1 V

Q

100

MHz

SRF

(MHz)

DCR

(mW)

Irms

(A)

Isat

(A)

L (µH) Tol. (%) Min.

Typ.

Typ.

Max

Typ.

Typ.

SRP4020T-R47M

0.47

±20

10

105

8.0

8.6

11.0

16.0

SRP4020T-R68M

0.68

15

83

11

12.7

9.5

11.0

SRP4020T-1R0M

1.0

15

72

15.5

18.5

7.7

10.6

SRP4020T-1R5M

1.5

15

55

25

28.8

6.5

9.0

SRP4020T-2R2M

2.2

15

40

33

37.9

5.8

8.5

SRP4020T-3R3M

3.3

15

38

60

69

4.5

6.0

SRP4020T-4R7M

4.7

15

28

72

83.5

4.0

4.6

SRP4020T-6R8M

6.8

15

22

106

117

3.2

3.8

SRP4020T-100M

10.0

15

20

170

199

2.6

3.0

General Specifications

Operating Temperature

................................ -40 °C to +150 °C

Storage Temperature

................................ -40 °C to +150 °C

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

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

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

Materials

Core......................Carbonyl core powder

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

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

Packaging..... 3,000 pcs. per 13-inch reel

Product Dimensions

3.95 ± 0.20

(.156 ± .008)

1.8 ± 0.2

(.071 ± .008)

4.45 ± 0.25

(.175 ± .010)

4.06 ± 0.25

(.160 ± .010)

0.76 ± 0.3

(.030 ± .012)

2.0 ± 0.2

(.079 ± .008)

DIMENSIONS:

MM

(INCHES)

DIMENSIONS:

MM

(INCHES)

Recommended Layout

5.20

(.205)

2.20

(.087)

2.40

(.094)

How to Order

SRP4020T - R47 M

Model

Value Code

(see table)

Tolerance

M = ±20 %

Electrical Schematic

* 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