SRU1048-3R0Y datasheet, PDF - EEWORLD Datasheet

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SRU1048-3R0Y: DescriptionFixed Inductors 3uH 30% SMD 1048; CategoryPassive components inductor; File Size236KB，2 Pages; ManufacturerBourns; Websitehttp://www.bourns.com; Environmental Compliance

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SRU1048-3R0Y Overview

Fixed Inductors 3uH 30% SMD 1048

SRU1048-3R0Y Parametric

Parameter Name	Attribute value
Is it lead-free?	Lead free
Is it Rohs certified?	conform to
package instruction	3939
Reach Compliance Code	compliant
ECCN code	EAR99
Factory Lead Time	18 weeks
uppercase and lowercase codes	3939
structure	Shielded
core material	FERRITE
DC Resistance	0.0072 Ω
Nominal inductance(L)	3 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	4.8 mm
Package length	10 mm
Package form	SMT
Package width	10 mm
method of packing	TR
Minimum quality factor (at nominal inductance)	14
Maximum rated current	6.2 A
self resonant frequency	40 MHz
Shape/Size Description	RECTANGULAR PACKAGE
shield	YES
surface mount	YES
Terminal surface	Tin (Sn)
Terminal location	DUAL ENDED
Terminal shape	ONE SURFACE
Test frequency	7.96 MHz
Tolerance	30%
Base Number Matches	1

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Features

■

Available in E6 series

■

Unit height of 4.8 mm

■

Current up to 7.8 A

Applications

■

Input/output of DC/DC converters

■

Power supplies for:

330

■

RoHS compliant*

•

Portable communication equipment

Camcorders

LCD TVs

Car radios

SRU1048 Series - Shielded SMD Power Inductors

Electrical Speciﬁcations

Bourns

Part Number

Inductance

@ 100 KHz

Tol.

L (µH)

(%)

(Ref.)

Test

Freq.

(MHz)

SRF

Typ.

(MHz)

RDC

(mΩ)

I rms

Max.

(A)

I sat

Typ.

(A)

General Speciﬁcations

Test Voltage .......................................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.

Materials

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

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

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

Rated Current

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

Temperature Rise

.....................30 °C max. at rated Irms

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

Product Dimensions

10.0 ± 0.3

(.394 ± .012)

**K-

Factor

SRU1048-R80Y

SRU1048-1R5Y

SRU1048-2R2Y

SRU1048-3R0Y

SRU1048-4R7Y

SRU1048-6R8Y

SRU1048-8R2Y

SRU1048-100Y

SRU1048-120Y

SRU1048-150Y

SRU1048-220Y

SRU1048-330Y

SRU1048-470Y

SRU1048-560Y

SRU1048-680Y

SRU1048-820Y

SRU1048-101Y

SRU1048-151Y

SRU1048-221Y

SRU1048-331Y

SRU1048-561Y

0.8

1.5

2.2

3.0

4.7

6.8

8.2

10.0

12.0

15.0

22.0

33.0

47.0

56.0

68.0

82.0

100.0

150.0

220.0

330.0

560.0

±30

7.96

2.52

0.796

100.0

70.0

55.0

40.0

30.0

20.0

18.0

16.0

15.0

14.0

12.0

10.0

8.0

7.0

6.0

5.5

5.0

4.5

4.0

3.0

1.9

3.6

4.3

5.3

7.2

9.5

13.6

15.0

18.5

25.0

29.0

42.0

63.0

94.0

110.0

127.0

149.0

160.0

235.0

350.0

490.0

890.0

7.80

7.00

6.50

6.20

5.50

4.80

4.60

4.50

4.00

3.20

2.60

2.10

1.70

1.60

1.40

1.30

1.20

1.00

0.80

0.65

0.47

8.50

7.20

6.30

6.00

4.75

4.10

3.80

3.70

3.30

2.70

2.00

1.70

1.50

1.40

1.25

1.10

1.00

0.80

0.70

0.52

0.37

266

207

169

143

124

10.0 ± 0.3

(.394 ± .012)

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

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

determine core loss from

Core Loss vs. Flux Density

plot.

Core Loss vs. Flux Density

10000

7.4

TYP.

(.291)

4.8 ± 0.3

(.189 ± .012)

1000

3.4

(.134)

TYP.

Core Loss (mW)

100

1 MHz

500 KHz

300 KHz

200 KHz

100 KHz

50 KHz

3.2

(.126)

TYP.

3.4

TYP.

(.134)

Recommended Layout

7.2

(.283)

REF.

0.1

100

1000

10000

1.8

(.071)

REF.

1.8

(.071)

REF.

Flux Density Bp-p (gauss)

* 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.

DIMENSIONS:

(INCHES)

3.6

(.142)

REF.

SRU1048-3R0Y Related Products

	SRU1048-3R0Y	SRU1048-R80Y	SRU1048-150Y	SRU1048-331Y	SRU1048-220Y	SRU1048-1R5Y	SRU1048-471Y
Description	Fixed Inductors 3uH 30% SMD 1048	Fixed Inductors 0.8uH 30% SMD 1048	Fixed Inductors 15uH 30% SMD 1048	Fixed Inductors 330uH 30% SMD 1048	Fixed Inductors 22uH 30% SMD 1048	Fixed Inductors 1.5uH 30% SMD 1048	Fixed Inductors 470uH 30% SMD 1048
Tolerance	30%	30 %	30%	30%	30%	30%	30 %
Is it lead-free?	Lead free	-	Lead free	Lead free	Lead free	Lead free	-
Is it Rohs certified?	conform to	-	conform to	conform to	conform to	conform to	-
package instruction	3939	-	3939	3939	3939	CHIP	-
Reach Compliance Code	compliant	-	compliant	compliant	compliant	not_compliant	-
ECCN code	EAR99	-	EAR99	EAR99	EAR99	EAR99	-
Factory Lead Time	18 weeks	-	18 weeks	18 weeks	18 weeks	18 weeks	-
uppercase and lowercase codes	3939	-	3939	3939	3939	3939	-
structure	Shielded	-	Shielded	Shielded	Shielded	Rectangular	-
core material	FERRITE	-	FERRITE	FERRITE	FERRITE	FERRITE	-
DC Resistance	0.0072 Ω	-	0.029 Ω	0.49 Ω	0.042 Ω	0.0043 Ω	-
Nominal inductance(L)	3 µH	-	15 µH	330 µH	22 µH	1.5 µH	-
Inductor Applications	POWER INDUCTOR	-	POWER INDUCTOR	POWER INDUCTOR	POWER INDUCTOR	POWER INDUCTOR	-
Inductor type	GENERAL PURPOSE INDUCTOR	-	GENERAL PURPOSE INDUCTOR	GENERAL PURPOSE INDUCTOR	GENERAL PURPOSE INDUCTOR	GENERAL PURPOSE INDUCTOR	-
JESD-609 code	e3	-	e2	e3	e3	e3	-
Number of functions	1	-	1	1	1	1	-
Number of terminals	2	-	2	2	2	2	-
Maximum operating temperature	125 °C	-	125 °C	125 °C	125 °C	125 °C	-
Minimum operating temperature	-40 °C	-	-40 °C	-40 °C	-40 °C	-40 °C	-
Package height	4.8 mm	-	4.8 mm	4.8 mm	4.8 mm	4.8 mm	-
Package length	10 mm	-	10 mm	10 mm	10 mm	10 mm	-
Package form	SMT	-	SMT	SMT	SMT	SMT	-
Package width	10 mm	-	10 mm	10 mm	10 mm	10 mm	-
method of packing	TR	-	TR	TR	TR	TR, EMBOSSED, 13 INCH	-
Minimum quality factor (at nominal inductance)	14	-	30	18	22	-	-
Maximum rated current	6.2 A	-	3.2 A	0.65 A	2.6 A	7 A	-
self resonant frequency	40 MHz	-	14 MHz	3 MHz	12 MHz	70 MHz	-
Shape/Size Description	RECTANGULAR PACKAGE	-	RECTANGULAR PACKAGE	RECTANGULAR PACKAGE	RECTANGULAR PACKAGE	RECTANGULAR PACKAGE	-
shield	YES	-	YES	YES	YES	YES	-
surface mount	YES	-	YES	YES	YES	YES	-
Terminal surface	Tin (Sn)	-	Silver/Nickel/Tin (Ag/Ni/Sn)	Tin (Sn)	Tin (Sn)	Tin (Sn)	-
Terminal location	DUAL ENDED	-	DUAL ENDED	DUAL ENDED	DUAL ENDED	DUAL ENDED	-
Terminal shape	ONE SURFACE	-	ONE SURFACE	ONE SURFACE	ONE SURFACE	ONE SURFACE	-
Test frequency	7.96 MHz	-	2.52 MHz	0.796 MHz	2.52 MHz	0.1 MHz	-
Base Number Matches	1	-	1	1	1	-	-

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