SRR1208-180ML datasheet, PDF - EEWORLD Datasheet

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SRR1208-180ML: DescriptionUSB Interface IC USB to Serial UART Enhanced IC SSOP-28; CategoryPassive components inductor; File Size403KB，2 Pages; ManufacturerBourns; Websitehttp://www.bourns.com; Environmental Compliance

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SRR1208-180ML Overview

USB Interface IC USB to Serial UART Enhanced IC SSOP-28

SRR1208-180ML Parametric

Parameter Name	Attribute value
Is it lead-free?	Lead free
Is it Rohs certified?	conform to
package instruction	5050
Reach Compliance Code	compliant
ECCN code	EAR99
Factory Lead Time	18 weeks
uppercase and lowercase codes	5050
structure	Shielded
core material	FERRITE
DC Resistance	0.04 Ω
Nominal inductance(L)	18 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	8.5 mm
Package length	12.7 mm
Package form	SMT
Package width	12.7 mm
method of packing	TR
Minimum quality factor (at nominal inductance)	21
Maximum rated current	3.8 A
self resonant frequency	9 MHz
Shape/Size Description	RECTANGULAR PACKAGE
shield	YES
special characteristics	Q MEASURED AT 2.52 MHZ
surface mount	YES
Terminal surface	Matte Tin (Sn) - with Nickel (Ni) barrier
Terminal location	DUAL ENDED
Terminal shape	WRAPAROUND
Test frequency	2.52 MHz
Tolerance	20%
Base Number Matches	1

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Features

Available in E6 series

Unit height of 8.5 mm

Current rating up to 7.5 A

RoHS compliant*

Applications

Input/output of DC/DC converters

Power supplies for:

• Portable communication equipment

• Camcorders

• LCD TVs

SRR1208 Series - Shielded High Power Inductors

General Specifications

Test Voltage .......................................1 V

Operating Temperature

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

(Temperature rise included)

Storage Temperature

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

Resistance to Soldering Heat

.................................260 °C for 5 sec.

Rated Current

..............Ind. drop of 10 % typ. at Isat

Temperature Rise

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

Materials

Core ........................Ferrite DR & RI core

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

Base .....................................LCP E4008

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

Packaging.................... 400 pcs. per reel

Product Dimensions

Electrical Characteristics

Ro VE LEA

HS RS D

C ION FRE

OM S E

PL AR

IA E

Inductance 1 KHz

Bourns Part No.

SRR1208-2R5ML

SRR1208-4R5ML

SRR1208-6R5ML

SRR1208-100ML

SRR1208-120ML

SRR1208-150ML

SRR1208-180ML

SRR1208-220ML

SRR1208-270ML

SRR1208-330YL

SRR1208-390YL

SRR1208-470YL

SRR1208-560YL

SRR1208-680YL

SRR1208-820YL

SRR1208-101YL

SRR1208-121YL

SRR1208-151YL

SRR1208-181YL

SRR1208-221KL

SRR1208-271KL

SRR1208-331KL

SRR1208-391KL

SRR1208-471KL

SRR1208-561KL

SRR1208-681KL

SRR1208-821KL

SRR1208-102KL

SRR1208-122KL

SRR1208-152KL

SRR1208-182KL

SRR1208-222KL

SRR1208-272KL

SRR1208-332KL

SRR1208-392KL

SRR1208-472KL

SRR1208-562KL

SRR1208-682KL

SRR1208-822KL

SRR1208-103KL

2.5

4.5

6.5

100

120

150

180

220

270

330

390

470

560

680

820

1000

1200

1500

1800

2200

2700

3300

3900

4700

5600

6800

8200

10000

(µH)

Tol. %

Ref.

Test

Frequency

(MHz)

7.96

2.52

0.796

0.252

0.0796

SRF

Min.

(MHz)

9.0

7.0

6.5

6.0

5.0

4.0

3.0

2.5

2.0

1.8

1.6

1.4

1.2

1.0

0.80

0.75

0.70

0.65

0.60

0.50

0.45

0.42

0.40

0.38

0.35

0.30

0.011

0.014

0.018

0.021

0.025

0.036

0.040

0.043

0.048

0.062

0.076

0.085

0.110

0.135

0.150

0.170

0.190

0.240

0.270

0.380

0.400

0.650

0.670

0.850

0.900

1.00

12.7 ± 0.3

(.500 ± .012)

1.15

1.65

2.00

2.35

3.40

2.3 ± 0.2

4.20

(.091 ± .007)

5.20

6.40

7.80

9.60

12.0

15.2

17.0

19.2

RDC

Max.

(Ω)

101

7.50

10.00

6.50

10.00

6.00

8.40

5.00

6.70

4.80

6.50

4.00

5.60

3.80

4.00

3.50

4.00

3.00

4.30

2.80

3.80

2.50

3.40

2.20

3.10

2.00

2.80

1.80

2.60

1.60

2.30

12.7 ± 0.3

1.50

2.10

(.500 ± .012)

1.40

2.00

1.30

1.72

1.20

1.70

1.10

1.45

0.95

1.25

0.85

1.12

0.80

1.10

0.70

0.95

5.0 ± 0.2

0.65

0.90

(.197 ± .007)

0.60

0.82

0.55

0.77

0.50

0.67

0.40

8.5 MAX.

0.57

(.335)

0.36

0.55

0.46

0.48

0.40

0.42

0.35

0.38

0.32

0.35

0.30

0.32

0.28

0.30

0.25

0.28

0.22

0.25

0.20

0.22

0.18

0.20

I rms

Max.

(A)

I sat

Typ.

(A)

101

12.7 ± 0.3

(.500 ± .012)

5.0 ± 0.2

(.197 ± .007)

12.7 ± 0.3

(.500 ± .012)

8.5

MAX.

(.335)

2.3 ± 0.2

(.091 ± .007)

Schematic

Recommended Layout

7.0

(.276)

*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.

6.0

(.236)

4.0

(.157)

DIMENSIONS:

(INCHES)

7.0

(.276)

6.0

(.236)

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