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© Coilcraft Inc. 2013

This product may not be used in medical or high

risk applications without prior Coilcraft approval.

Specification subject to change without notice.

Please check web site for latest information.

Document 461-2

Document 461-2 Revised 10/30/08

RFID Transponder Coils – 4312RV

Dimensions

Typical L vs Frequency

0.030

0,76

0.347

8,81

0.45

11,43

0.32

8,1

0.065

1,65

0.15

3,8

Recommended

Land Pattern

0.448

11,38

0.136

3,45

0.092

2,34

max

max

max

Note: Unless otherwise indicated, all part dimensions ±0.002/0,05

XXX

0

1

2

3

4

5

6

7

8

9

10

0.01

0.1

10

1

Frequency (MHz)

4.9 mH

7.2 mH

9.0 mH

1.0 mH

0.40 mH

2.38 mH

Dimensions are in

inches

mm