PM40-681K-RC Bourns Inc., PM40-681K-RC Datasheet

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PM40-681K-RC

Manufacturer Part Number

PM40-681K-RC

Description

POWER INDUCTOR, 680UH 50mA 10% 2MHZ

Manufacturer

Bourns Inc.

Series

PM40r

Datasheet

1.PM40-100K-RC.pdf (1 pages)

Specifications of PM40-681K-RC

Dc Resistance Max

40ohm

Dc Current Rating

50mA

Ferrite Case Style

SMD

Inductor Type

Power

Self Resonant Frequency

2MHz

Body Material

Ferrite

No. Of Pins

2

Inductance

681 uH

Tolerance

10 %

Maximum Dc Current

50 mAmps

Maximum Dc Resistance

40 Ohms

Q Minimum

30

Dimensions

3.2 mm W x 4.5 mm L x 3.2 mm H

Termination Style

SMD/SMT

Lead Free Status / RoHS Status

Lead free / RoHS Compliant

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PM40-R27M

PM40-R33M

PM40-R39M

PM40-R47M

PM40-R56M

PM40-R68M

PM40-R82M

PM40-1R0K

PM40-1R2K

PM40-1R5K

PM40-1R8K

PM40-2R2K

PM40-2R7K

PM40-3R3K

PM40-3R9K

PM40-4R7K

PM40-5R6K

PM40-6R8K

PM40-8R2K

PM40-100K

PM40-120K

PM40-150K

PM40-180K

PM40-220K

PM40-270K

PM40-330K

PM40-390K

PM40-470K

PM40-560K

PM40-680K

PM40-820K

PM40-101K

PM40-121K

PM40-151K

PM40-181K

PM40-221K

PM40-271K

PM40-331K

PM40-391K

PM40-471K

PM40-561K

PM40-681K

PM40-821K

PM40-102K

Number

Part

306 E. Alondra Blvd., Gardena, CA 90247-1059 • (310) 515-1720 • FAX (310) 515-1962

L (µH)

L (µH)

± 20%

± 10%

1000

0.10

0.12

0.15

0.18

0.22

0.27

0.33

0.39

0.47

0.56

0.68

0.82

100

120

150

180

220

270

330

390

470

560

680

820

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

PM40 Series

Min

28

30

30

30

30

30

30

30

30

30

30

30

50

50

50

50

50

50

50

50

50

50

50

50

50

50

50

50

50

50

50

50

50

50

50

50

40

40

40

40

40

30

30

30

30

30

30

30

30

Q

(MHz)

0.796

0.796

0.796

0.796

0.796

0.796

0.796

0.796

0.796

0.796

0.796

0.796

0.796

Freq.

Test

25.2

25.2

25.2

25.2

25.2

25.2

25.2

25.2

25.2

25.2

25.2

25.2

7.96

7.96

7.96

7.96

7.96

7.96

7.96

7.96

7.96

7.96

7.96

7.96

2.52

2.52

2.52

2.52

2.52

2.52

2.52

2.52

2.52

2.52

2.52

2.52

w w w . j w m i l l e r . c o m

1812 Chip Inductors

(MHz)

Min.

SRF

700

500

450

400

350

320

300

350

320

180

160

140

100

80

70

60

55

50

45

40

35

33

27

25

20

18

17

15

13

12

11

10

10

9

9

8

7

6

5

5

4

3

3

3

3

2

2

2

2

J.W.Miller

M A G N E T I C S

Max.

DCR

0.44

0.22

0.25

0.28

0.32

0.36

0.40

0.45

0.50

0.55

0.60

0.67

0.50

0.55

0.60

0.65

0.70

0.75

0.80

0.90

(Ω)

1.0

1.1

1.2

1.4

1.6

2.0

2.5

2.8

3.2

3.6

4.0

4.5

5.0

5.5

6.0

7.0

8.0

8.0

9.0

9.5

10

18

20

23

26

30

40

45

50

I, DC

(mA)

450

450

450

450

450

450

450

450

450

450

450

450

450

430

410

390

380

370

355

330

315

300

285

270

250

225

200

190

180

170

160

150

140

135

130

120

110

110

105

102

100

92

85

80

62

50

50

30

30

Special Features:

•

•

•

•

•

•

•

Molded construction for high reliability

Superior environmental protection

Large terminal surface for strong PCB bonding

Core material:

Operating temperature -55 to +125°C

Current to cause 20°C maximum temperature rise

Tape & reel packaged 500/reel

Non magnetic, from 0.10 to 0.82µH

Iron powder, from 1.0 to120µH

Ferrite, from 150 to 1000µH

The PM40 Series is

Not Recommended

for New Designs, it

the PM1812 Series

1.5

is Superceded by

Pad Layout

4.5

3.0

4.0

0.69 -/+ 0.11

0.94

Tol: -/+0.2

Dim: mm

3.2

1.3

3.2

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