Surface Mount, Molded, Shielded Inductors

Document Number: 34061

For technical questions, contact: magnetics@vishay.com

www.vishay.com

Revision: 22-May-07

111

ISC-1812

Vishay Dale

*Rated DC Current based on the maximum temperature rise, not to

exceed 40 °C at + 85 °C ambient.

FEATURES

• Molded construction provides superior strength

and moisture resistance

• Tape and reel packaging for automatic handling,

2000/reel, EIA 481

• Compatible with vapor phase and infrared reflow

soldering

• Shielded construction minimizes coupling to other

components

• 100 % lead (Pb)-free and RoHS compliant

ELECTRICAL SPECIFICATIONS

Inductance Range: 0.10 µH to 1000 µH

Inductance Tolerance: ± 20 % for 0.10 µH to 0.82 µH

± 10 % for 1.0 µH to 1000 µH standard

± 10 %, ± 5 % and ± 3 % available

Temperature Range: - 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

*Recommended minimum spacing between components

STANDARD ELECTRICAL SPECIFICATIONS

IND.

(µH)

TOL.

Q

MIN.

TEST

FREQ.

L & Q

(MHz)

SELF-

RESONANT

FREQ. MIN.

(MHz)

DCR

MAX.

(Ohms)

RATED*

DC

CURRENT

(mA)

0.10

0.12

0.15

0.18

0.22

0.27

0.33

0.39

0.47

0.56

0.68

0.82

± 20 %

± 20 %

± 20 %

± 20 %

± 20 %

± 20 %

± 20 %

± 20 %

± 20 %

± 20 %

± 20 %

± 20 %

30

30

30

30

30

30

30

30

30

30

30

30

25.2

25.2

25.2

25.2

25.2

25.2

25.2

25.2

25.2

25.2

25.2

25.2

460

400

390

350

310

280

240

215

205

195

165

155

0.23

0.26

0.29

0.32

0.36

0.40

0.45

0.60

0.75

0.80

0.95

1.20

552

519

491

468

441

418

394

342

306

296

271

242

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 %

± 10 %

± 10 %

± 10 %

± 10 %

± 10 %

± 10 %

± 10 %

± 10 %

± 10 %

± 10 %

± 10 %

30

30

30

30

30

30

30

30

30

30

30

30

7.96

7.96

7.96

7.96

7.96

7.96

7.96

7.96

7.96

7.96

7.96

7.96

140

120

100

90.0

80.0

67.0

61.0

56.0

50.0

40.0

32.0

30.0

0.35

0.38

0.40

0.43

0.46

0.49

0.55

0.59

0.62

0.69

0.75

0.82

447

429

418

403

390

378

357

344

336

333

306

292

10.0

12.0

15.0

18.0

22.0

27.0

33.0

39.0

47.0

56.0

68.0

82.0

± 10 %

± 10 %

± 10 %

± 10 %

± 10 %

± 10 %

± 10 %

± 10 %

± 10 %

± 10 %

± 10 %

± 10 %

50

50

50

50

50

50

50

50

50

50

50

50

2.52

2.52

2.52

2.52

2.52

2.52

2.52

2.52

2.52

2.52

2.52

2.52

25.0

22.0

18.0

15.0

14.0

13.0

12.0

11.0

9.0

8.0

7.6

7.2

0.90

1.0

1.10

1.24

1.36

1.56

1.72

1.89

2.10

2.34

2.60

2.86

279

265

252

238

227

212

202

192

183

173

164

156

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

± 10 %

± 10 %

± 10 %

± 10 %

± 10 %

± 10 %

± 10 %

± 10 %

± 10 %

± 10 %

± 10 %

± 10 %

± 10 %

50

50

50

40

40

40

40

40

40

40

40

40

40

0.796

0.796

0.796

0.796

0.796

0.796

0.796

0.796

0.796

0.796

0.796

0.796

0.252

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

3.25

3.64

4.16

5.72

6.30

6.90

7.54

8.20

9.20

10.50

12.0

13.50

16.0

147

139

130

111

105

101

96

92

87

82

76

72

66

DIMENSIONS in inches [millimeters]

RoHS

COMPLIANT

0.037 ± 0.008

[0.940 ± 0.203]

0.126 ± 0.008

[3.20 ± 0.203]

0.050 + 0.004

- 0.008

[1.27 + 0.102]

- 0.203]

0.126 ± 0.008

[3.20 ± 0.203]

0.124 [3.15]

Ref.

0.177 ± 0.008

[4.50 ± 0.203]

0.006

[0.152]

Ref.

Typ.

0.030 ± 0.004

[0.762 ± 0.102]

Typ.

Guidelines for

Parallel Component

Printed Circuit

Mounting Pads on

ISC-1812

Chip Inductors

0.059

[1.5]

0.158

[4.0]

0.158

[4.0]

0.181

[4.6]

0.118

[3.0]

0.024*

[0.6]

0.059

[1.5]