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Cary IL 60013

Phone

Fax

800-981-0363

847-639-1508

E-mail

Web

cps@coilcraft.com

www.coilcraft-cps.com

®

© Coilcraft, Inc. 2012

Specifications subject to change without notice.

Please check our website for latest information.

0603 CHIP INDUCTORS

Document ST733-2 Revised 10/28/11

ST312RAM Series (0603)

Typical Q vs Frequency

Current Derating

Typical L vs Frequency

Typical Impedance vs Frequency

-40

-20

020406080

100

120

Ambient temperature (°C)

120

110

100

90

80

70

60

50

40

30

20

10

0

A

B

C

D

max max max

ref

E

F

G

H

I

J

0.071 0.044 0.036 0.015 0.030 0.013 0.034 0.040 0.025 0.025 inches

1,80 1,12 0,91 0,38 0,76 0,33 0,86 1,02 0,64 0,64 mm

100

1000

10000

110

1000

100

Frequency (MHz)

1000 nH

470 nH

270 nH

120 nH

680 nH

2200 nH

4700 nH

560 nH

110

100

1000

0

20

18

16

14

12

10

8

6

4

2

22

Frequency (MHz)

1000 nH

560 nH

470 nH

270 nH

120 nH

680 nH

2200 nH

4700 nH

1

10

100

1000

100000

10000

100

10

1

1000

10000

Frequency (MHz)

1000 nH

560 nH

680 nH

2200 nH

4700 nH

470 nH

270 nH

120 nH

A

B

overall

C

Pick and

place

material

D

Terminal wraparound:

approx 0.008/0,20 both ends

I

I

J

F

F

G

H

E

terminal

Recommended

Land Pattern

Suggested

Land Pattern

Note: Dimensions are before optional solder application. For maximum

overall dimensions including solder, add 0.0025 in / 0,064 mm to

B

and 0.006 in / 0,15 mm to

A and C.