SRU3028-470Y datasheet, PDF - EEWORLD Datasheet

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SRU3028-470Y: DescriptionFixed Inductors 47uH 30% SMD 3028; CategoryPassive components inductor; File Size309KB，2 Pages; ManufacturerBourns; Websitehttp://www.bourns.com; Environmental Compliance

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SRU3028-470Y Overview

Fixed Inductors 47uH 30% SMD 3028

SRU3028-470Y Parametric

Parameter Name	Attribute value
Is it lead-free?	Lead free
Is it Rohs certified?	conform to
Maker	Bourns
package instruction	1413
Reach Compliance Code	compliant
ECCN code	EAR99
Factory Lead Time	18 weeks
Samacsys Description	Bourns SRU3028 Series Shielded Wire-wound SMD Inductor with a Ferrite Core, 47 µH ±30% Wire-Wound 320mA Idc Q:20
uppercase and lowercase codes	1413
structure	Rectangular
core material	FERRITE
DC Resistance	0.815 Ω
Nominal inductance(L)	47 µH
Inductor Applications	POWER INDUCTOR
Inductor type	GENERAL PURPOSE INDUCTOR
JESD-609 code	e3
Number of functions	1
Number of terminals	2
Maximum operating temperature	125 °C
Minimum operating temperature	-40 °C
Package height	2.8 mm
Package length	3.5 mm
Package form	SMT
Package width	3.3 mm
method of packing	TR, Embossed, 7 Inch
Maximum rated current	0.32 A
self resonant frequency	8 MHz
Shape/Size Description	RECTANGULAR PACKAGE
shield	YES
surface mount	YES
Terminal surface	Tin (Sn) - with Nickel (Ni) barrier
Terminal location	DUAL ENDED
Terminal shape	ONE SURFACE
Test frequency	0.1 MHz
Tolerance	30%

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V S C

AV ER

AI SIO

LA

BL

PL

IA

N

Features

n

Available in E6 series

n

Unit height of 2.8 mm

n

Current up to 0.72 A

n

RoHS compliant*

Applications

n

Input/output of DC/DC converters

n

Power supplies for:

*R

oH

S

C

O

M

T

100

Ro VE LEA

HS RS D

C ION FRE

OM S E

PL AR

IA E

NT

*

LE

AD

• Portable communication equipment

• Camcorders

• LCD TVs

F

RE

E

SRU3028 Series - Shielded SMD Power Inductors

General Specifications

SRF

Typ.

(MHz)

RDC

(mW)

I rms

Max.

(A)

I sat

Typ.

(A)

**K-

Factor

& *R

AE oH

C- S C

Q2 O

00 MP

Q LI

UA AN

LI T

FI

ED

Electrical Specifications

Bourns

Part Number

Inductance

@ 100 KHz

Tol.

L (µH)

(%)

Q

Ref.

Test

Freq.

(MHz)

SRU3028-150Y

SRU3028-220Y

SRU3028-330Y

SRU3028-470Y

SRU3028-680Y

SRU3028-101Y

15.0

22.0

33.0

47.0

68.0

100.0

±30

18

20

2.52

0.796

25

15

10

8

7

5

AP *Ro

PR HS

OV C

ED OM

(S PL

el IAN

ec T

t M

od

el

SRU3028-100Y

10.0

±30

20

7.96

35

160

230

270

450

815

0.72

0.66

0.60

0.47

0.32

0.24

0.19

0.86

0.72

0.62

0.48

0.38

0.28

0.21

276

241

214

180

133

112

91

Test Voltage ....................................0.1 V

Reflow Soldering .. 230 °C, 50 sec. max.

Operating Temperature

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

(Temperature rise included)

Storage Temperature

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

Resistance to Soldering Heat

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

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

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

Materials

Core ....................Ferrite DR and RI core

Wire ............ Enameled copper (Class F)

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

Rated Current

...................Ind. drop 35 % typ. at Isat

Temperature Rise

.....................40 °C max. at rated Irms

Packaging .................... 600 pcs. per reel

Product Dimensions

3.5 ± 0.2

(.138 ± .008)

AE

C

1400

2200

**K-Factor: To calculate core flux density, Bp-p (gauss) = K x L(µH) x

Δ

I (peak-to-peak ripple current, A),

determine core loss from

Core Loss vs. Flux Density

plot.

Core Loss vs. Flux Density

1000

SRU3028

100

Core Loss (mW)

10

s)

1

REF.

1.8

(.071)

REF.

4.2

(.165)

1 MHz

500 KHz

300 KHz

200 KHz

100 KHz

50 KHz

3.5 ± 0.2

(.138 ± .008)

100

3.3 ± 0.2

(.130 ± .008)

2.8 ± 0.2

(.110 ± .008)

0.1

100

0.01

100

1.3

REF.

(.051)

1000

10000

1.2

(.047)

REF.

Flux Density Bp-p (gauss)

Inductor Connection

3.3 ± 0.2

(.130 ± .008)

2.8 ± 0.2

(.110 ± .008)

Recommended Layout

REF.

4.2

(.165)

REF.

ER

1.8

(.071)

0.5

TYP.

(.020)

1.1

(.043)

TYP.

2.30

TYP.

(.091)

1.1

(.043)

TYP.

Electrical Schematic

0.5

TYP.

(.020)

1.2

(.047)

REF.

LC

R

M

ET

1.3

REF.

(.051)

TYP.

0.5

(.020)

2.30

TYP.

(.091)

MM

DIMENSIONS:

(INCHES)

TYP.

*

(.020)

RoHS Directive 2002/95/EC Jan. 27, 2003 including annex and RoHS Recast 2011/65/EU June 8, 2011.

Specifications are subject to change without notice.

The device characteristics and parameters in this data sheet can and do vary in different applications and actual device performance may vary over time.

Users should verify actual device performance in their specific applications.

ER

0.5

SRU3028-470Y Related Products

	SRU3028-470Y	SRU3028-330M	SRU3028-220Y	SRU3028-100M	SRU3028-220MH	SRU3028-101Y	SRU3028-330MH
Description	Fixed Inductors 47uH 30% SMD 3028	Fixed Inductors 33uH 20% SMD 3028	Fixed Inductors 22uH 30% SMD 3028	Fixed Inductors 10uH 20% SMD 3028	Fixed Inductors 22uH 20% SMD 3028	Fixed Inductors 100uH 30% SMD 3028	Fixed Inductors 33uH 20% SMD 3028
Tolerance	30%	20 %	30%	20 %	20 %	30%	20 %
Product Attribute	-	Attribute Value	-	Attribute Value	Attribute Value	-	Attribute Value
Manufacturer	-	Bourns	-	Bourns	Bourns	-	Bourns
Product Category	-	Fixed Inductors	-	Fixed Inductors	Fixed Inductors	-	Fixed Inductors
RoHS	-	Details	-	Details	Details	-	Details
Termination Style	-	SMD/SMT	-	SMD/SMT	SMD/SMT	-	SMD/SMT
Shielding	-	Shielded	-	Shielded	Shielded	-	Shielded
Inductance	-	33 uH	-	10 uH	22 uH	-	33 uH
Maximum DC Current	-	0.47 A	-	720 mA	600 mA	-	0.47 A
Maximum DC Resistance	-	600 mOhms	-	15 mOhms	40 mOhms	-	450 mOhms
Minimum Operating Temperature	-	- 40 C	-	- 40 C	- 40 C	-	- 40 C
Maximum Operating Temperature	-	+ 125 C	-	+ 125 C	+ 125 C	-	+ 125 C
Q Minimum	-	20	-	20	18	-	20
Test Frequency	-	2.52 MHz	-	7.96 MHz	2.52 MHz	-	2.52 MHz
Mounting Style	-	PCB Mount	-	PCB Mount	PCB Mount	-	PCB Mount
Length	-	3.5 mm	-	3.5 mm	3.5 mm	-	3.5 mm
Width	-	3.3 mm	-	3.3 mm	3.3 mm	-	3.3 mm
Height	-	2.8 mm	-	2.8 mm	2.8 mm	-	2.8 mm
Application	-	Power	-	Power	Power	-	Power
Qualification	-	AEC-Q200	-	AEC-Q200	AEC-Q200	-	AEC-Q200
Packaging	-	Reel	-	Reel	Reel	-	Reel
Core Material	-	Ferrite	-	Ferrite	Ferrite	-	Ferrite
Product	-	Fixed Inductors	-	Fixed Inductors	Fixed Inductors	-	Fixed Inductors
Self Resonant Frequency	-	10 MHz	-	35 MHz	15 MHz	-	10 MHz
Type	-	SMD Inductor	-	SMD Inductor	SMD Inductor	-	SMD Inductor
Factory Pack Quantity	-	600	-	600	2000	-	2000
Unit Weight	-	0.001693 oz	-	0.001693 oz	0.001693 oz	-	0.001693 oz

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