ISC1812EB271K datasheet, PDF - EEWORLD Datasheet

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ISC1812EB271K: Descriptioninductor WW 270uh 10% 1812; CategoryPassive components inductor; File Size90KB，3 Pages; ManufacturerVishay; Websitehttp://www.vishay.com; Environmental Compliance

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ISC1812EB271K Overview

inductor WW 270uh 10% 1812

ISC1812EB271K Parametric

Parameter Name	Attribute value
Is it lead-free?	Lead free
Is it Rohs certified?	conform to
Maker	Vishay
package instruction	1812
Reach Compliance Code	unknown
ECCN code	EAR99
uppercase and lowercase codes	1812
structure	Molded Chip
core material	FERRITE
DC Resistance	6.9 Ω
Nominal inductance(L)	270 µH
Inductor Applications	RF 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	-55 °C
Package height	3.2 mm
Package length	4.5 mm
Package form	SMT
Package width	3.2 mm
method of packing	Bulk
Minimum quality factor (at nominal inductance)	40
Maximum rated current	0.101 A
self resonant frequency	4 MHz
Shape/Size Description	RECTANGULAR PACKAGE
shield	YES
special characteristics	Q IS MEASURED AT 0.796MHZ
surface mount	YES
Terminal surface	Matte Tin (Sn)
Terminal location	DUAL ENDED
Terminal shape	WRAPAROUND
Test frequency	0.796 MHz
Tolerance	10%

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ISC-1812

www.vishay.com

Vishay Dale

Wirewound, Surface Mount, Molded, Shielded Inductors

FEATURES

• Molded construction provides superior strength

and moisture resistance

• Tape and reel packaging for automatic handling,

2000/reel, EIA-481

STANDARD ELECTRICAL SPECIFICATIONS

TEST

FREQ.

(MHz)

TOL.

± 20 %

± 10 %

L&Q

25.2

7.96

2.52

0.796

0.252

SRF

MIN.

Q MIN. (MHz)

460

400

390

350

310

280

240

215

205

195

165

155

140

120

100

90.0

80.0

67.0

61.0

56.0

50.0

40.0

32.0

30.0

25.0

22.0

18.0

15.0

14.0

13.0

12.0

11.0

9.0

8.0

7.6

7.2

7.0

6.0

5.0

4.5

4.2

4.0

3.7

3.5

3.3

2.8

2.6

2.2

2.0

DCR

MAX.

()

0.23

0.26

0.29

0.32

0.36

0.40

0.45

0.60

0.75

0.80

0.95

1.20

0.35

0.38

0.40

0.43

0.46

0.49

0.55

0.59

0.62

0.69

0.75

0.82

0.90

1.00

1.10

1.24

1.36

1.56

1.72

1.89

2.10

2.34

2.60

2.86

3.25

3.64

4.16

5.72

6.30

6.90

7.54

8.20

9.20

10.50

12.00

13.50

16.00

RATED DC

CURRENT

(mA)

(1)

552

519

491

468

441

418

394

342

306

296

271

242

447

429

418

403

390

378

357

344

336

333

306

292

279

265

252

238

227

212

202

192

183

173

164

156

147

139

130

111

105

101

• Compatible with vapor phase and infrared reflow

soldering

• Shielded construction minimizes coupling to other

components

• Material categorization: for definitions of compliance

please see

www.vishay.com/doc?99912

IND.

(μH)

0.10

0.12

0.15

0.18

0.22

0.33

0.39

0.47

0.56

0.68

0.82

0.8

1.0

1.2

1.5

1.8

2.2

2.7

3.3

3.9

4.7

5.6

6.8

8.2

10.0

12.0

15.0

18.0

22.0

27.0

33.0

39.0

47.0

56.0

68.0

82.0

100.0

120.0

150.0

180.0

220.0

270.0

330.0

390.0

470.0

560.0

680.0

820.0

1000.0

ELECTRICAL SPECIFICATIONS

Inductance range:

0.10 μH to 1000 μH

Special tolerances available upon request

Operating temperature:

-55 °C to +125 °C

Coilform material:

Non-magnetic for 0.10 μH to 0.82 μH

Powdered iron for 1.0 μH to 22 μH

Ferrite for 27 μH to 1000 μH

TEST EQUIPMENT

• H/P 4342A Q meter with Vishay Dale test fixture or equivalent

• H/P 4191A RF impedance analyzer (for SRF measurements)

• Wheatstone bridge

DIMENSIONS

in inches [millimeters]

0.126 ± 0.008

[3.200 ± 0.203]

0.177 ± 0.008

[4.500 ± 0.203]

0.126 ± 0.008

[3.200 ± 0.203]

0.037 ± 0.008

[0.940 ± 0.203]

0.006 [0.152]

Ref. Typ.

0.030 ± 0.004

[0.762 ± 0.102]

Typ.

+ 0.004

- 0.008

+ 0.102

[1.270

- 0.203

]

0.050

Typ.

0.124 [3.15]

Ref.

Guidelines for

Parallel Component

Printed Circuit

Mounting Pads on

ISC-1812 Chip

Inductors

0.158

[4.0]

0.181

[4.6]

0.024

(1)

[0.6]

0.158

[4.0]

0.059

[1.5]

0.118 [3.0]

0.059

[1.5]

Note

(1)

Recommended minimum spacing between components

PART MARKING

- Vishay Dale

- Inductance value

- Date code

Note

(1)

Rated DC current based on the maximum temperature rise, not

to exceed 40 °C at +85 °C ambient

Revision: 02-Jun-15

Document Number: 34061

For technical questions, contact:

magnetics@vishay.com

THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT

ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT

www.vishay.com/doc?91000

Legal Disclaimer Notice

www.vishay.com

Vishay

Disclaimer



ALL PRODUCT, PRODUCT SPECIFICATIONS AND DATA ARE SUBJECT TO CHANGE WITHOUT NOTICE TO IMPROVE

RELIABILITY, FUNCTION OR DESIGN OR OTHERWISE.

Vishay Intertechnology, Inc., its affiliates, agents, and employees, and all persons acting on its or their behalf (collectively,

“Vishay”), disclaim any and all liability for any errors, inaccuracies or incompleteness contained in any datasheet or in any other

disclosure relating to any product.

Vishay makes no warranty, representation or guarantee regarding the suitability of the products for any particular purpose or

the continuing production of any product. To the maximum extent permitted by applicable law, Vishay disclaims (i) any and all

liability arising out of the application or use of any product, (ii) any and all liability, including without limitation special,

consequential or incidental damages, and (iii) any and all implied warranties, including warranties of fitness for particular

purpose, non-infringement and merchantability.

Statements regarding the suitability of products for certain types of applications are based on Vishay’s knowledge of

typical requirements that are often placed on Vishay products in generic applications. Such statements are not binding

statements about the suitability of products for a particular application. It is the customer’s responsibility to validate that a

particular product with the properties described in the product specification is suitable for use in a particular application.

Parameters provided in datasheets and / or specifications may vary in different applications and performance may vary over

time. All operating parameters, including typical parameters, must be validated for each customer application by the customer’s

technical experts. Product specifications do not expand or otherwise modify Vishay’s terms and conditions of purchase,

including but not limited to the warranty expressed therein.

Except as expressly indicated in writing, Vishay products are not designed for use in medical, life-saving, or life-sustaining

applications or for any other application in which the failure of the Vishay product could result in personal injury or death.

Customers using or selling Vishay products not expressly indicated for use in such applications do so at their own risk.

Please contact authorized Vishay personnel to obtain written terms and conditions regarding products designed for

such applications.

No license, express or implied, by estoppel or otherwise, to any intellectual property rights is granted by this document

or by any conduct of Vishay. Product names and markings noted herein may be trademarks of their respective owners.

Revision: 08-Feb-17

Document Number: 91000

ISC1812EB271K Related Products

	ISC1812EB271K	ISC1812BN561J	ISC1812ERR33M	ISC1812RV180K	ISC1812EB181J
Description	inductor WW 270uh 10% 1812	inductor WW 560uh 5% 1812	inductor WW 330nh 20% 1812	inductor WW 18uh 10% 1812	inductor WW 180uh 5% 1812
Maker	Vishay	Vishay	-	-	Vishay
package instruction	1812	1812	-	-	1812
Reach Compliance Code	unknown	unknow	-	-	unknown
ECCN code	EAR99	EAR99	-	-	EAR99
uppercase and lowercase codes	1812	1812	-	-	1812
structure	Molded Chip	Molded Chi	-	-	Molded Chip
core material	FERRITE	Ferrite	-	-	Ferrite
DC Resistance	6.9 Ω	10.5 Ω	-	-	5.72 Ω
Nominal inductance(L)	270 µH	560 µH	-	-	180 µH
Inductor type	GENERAL PURPOSE INDUCTOR	GENERAL PURPOSE INDUCTOR	-	-	GENERAL PURPOSE INDUCTOR
Maximum operating temperature	125 °C	125 °C	-	-	125 °C
Minimum operating temperature	-55 °C	-55 °C	-	-	-55 °C
Package height	3.2 mm	3.2 mm	-	-	3.2 mm
Package length	4.5 mm	4.5 mm	-	-	4.5 mm
Package form	SMT	SMT	-	-	SMT
Package width	3.2 mm	3.2 mm	-	-	3.2 mm
method of packing	Bulk	Bulk	-	-	Bulk
Minimum quality factor (at nominal inductance)	40	30	-	-	40
Maximum rated current	0.101 A	0.082 A	-	-	0.111 A
self resonant frequency	4 MHz	2.8 MHz	-	-	4.5 MHz
Tolerance	10%	5%	±20%	-	5%

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