2/ 2002

PAGE

24

270 Quaker Rd., East Aurora NY 14052 • Phone 716-652-3600 • Fax 716-652-4814

0.1

0.5

INDUCTANCE (

µH)

1.0

1.5

2.0

2.5

3.0

3.5

1.0

10

100

0

% COUPLING vs. INDUCTANCE

@ .060”

@ .040”

1000

Series S1812

Shielded Surface Mount Inductors

1490

1412

1347

1290

1154

1053

952

876

802

735

675

614

755

725

706

681

658

638

534

487

471

447

408

372

333

315

301

288

277

267

258

250

242

235

215

196

169

163

158

153

149

135

129

105

91

84

79

71

60

0.09

0.10

0.11

0.12

0.15

0.18

0.22

0.26

0.31

0.37

0.44

0.53

0.35

0.38

0.40

0.43

0.46

0.49

0.70

0.84

0.90

1.00

1.20

1.44

1.80

2.00

2.20

2.40

2.60

2.80

3.00

3.20

3.40

3.60

4.30

5.20

7.00

7.50

8.00

8.50

9.00

11.0

12.0

18.0

24.0

28.0

32.0

40.0

55.0

460

400

390

350

310

280

240

215

205

185

166

155

160

140

110

100

90

67

61

56

50

40

32

30

25

22

18

15

14

13

12

11

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

25

25

25

25

25

25

25

25

25

25

25

25

7.9

7.9

7.9

7.9

7.9

7.9

7.9

7.9

7.9

7.9

7.9

7.9

2.5

2.5

2.5

2.5

2.5

2.5

2.5

2.5

2.5

2.5

2.5

2.5

0.79

0.79

0.79

0.79

0.79

0.79

0.79

0.79

0.79

0.79

0.79

0.79

0.79

50

50

50

50

50

50

40

40

40

40

40

40

40

40

40

40

40

40

40

40

40

40

40

40

50

50

50

50

50

50

50

50

50

50

50

50

40

40

40

40

40

40

40

40

40

40

40

40

40

0.10

0.12

0.15

0.18

0.22

0.27

0.33

0.39

0.47

0.56

0.68

0.82

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

12

15

18

22

27

33

39

47

56

68

82

100

120

150

180

220

270

330

390

470

560

680

820

1000

Physical Parameters

Inches

Millimeters

A

0.166 to 0.190

4.2 to 4.8

B

0.118 to 0.134

3.0 to 3.4

C

0.118 to 0.134

3.0 to 3.4

D

0.038 Min.

0.97 Min.

E

0.041 to 0.061

1.0 to 1.5

F

0.118 (Ref. only)

3.0 (Ref. only)

G

0.066 (Ref. only)

1.7 (Ref. only)

Dimensions “A” and “C” are over terminals

Weight Max. (Grams) 0.15

Operating Temperature Range –55°C to +125°C

Current Rating at 90°C Ambient 35°C Rise

Maximum Power Dissipation at 90°C 0.278 W

Packaging Tape & reel (12mm): 7" reel, 650 pieces

max.; 13" reel, 2500 pieces max.

SERIES S1812 IRON CORE

S1812-101K

S1812-121K

S1812-151K

S1812-181K

S1812-221K

S1812-271K

S1812-331K

S1812-391K

S1812-471K

S1812-561K

S1812-681K

S1812-821K

SERIES S1812 FERRITE CORE

S1812-102K

S1812-122K

S1812-152K

S1812-182K

S1812-222K

S1812-272K

S1812-332K

S1812-392K

S1812-472K

S1812-562K

S1812-682K

S1812-822K

S1812-103K

S1812-123K

S1812-153K

S1812-183K

S1812-223K

S1812-273K

S1812-333K

S1812-393K

S1812-473K

S1812-563K

S1812-683K

S1812-823K

S1812-104K

S1812-124K

S1812-154K

S1812-184K

S1812-224K

S1812-274K

S1812-334K

S1812-394K

S1812-474K

S1812-564K

S1812-684K

S1812-824K

S1812-105K

Optional Tolerances:

J = 5%

H = 3%

G = 2%

F = 1%

For more detailed graphs, contact factory