143-17J12L

更新时间： 2024-11-09 06:18:35

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线艺 - COILCRAFT		/
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10 mm Tunable Coils

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Document 108-1

10 mm Tunable Coils

–

142,143,144 Series

These Coilcraft variable inductors are precision molded

in plastic to ensure constant winding pitch and a con-

sistent relationship to the printed circuit board.

Extremely economical, even in small quantities, the

coils come in standard inductance values from 0.05 µH

to 1.5 µH. 144 Series parts are also available with a tap

to meet specific requirements.

Tuning is done by means of a threaded powdered iron

core with a hex socket for easy, positive adjustment.

Plated brass shield cans with solderable tabs are optional.

These parts can be odered without cores for use as

fixed inductors.

Coilcraft Designer’s Kit M302 contains samples of all

standard 10 mm and 7 mm tunable inductors. To order,

contact Coilcraft or visit http://order.coilcraft.com to

purchase on-line.

3 TOOLS IN 1

TRITUNER SEE INDEX

TUNING WRENCH

Unshielded Styles

0.470 0.020

11,94 0,51

(142 Series only)

Unshielded

With shield can

1.64 – 2.16 g

2.85 – 3.54 g

2.35 – 2.91 g

0.380 0.005

9,65 0,13

square

0.276 0.007

7,01 0,18

Weight: 142 series

143 series

1.39 – 1.82 g

1.75 – 2.40 g

1.22 – 1.74 g

0.704 0.020

17,88 0,51

0.138 0.040

3,5 1,02

144 series

Start

0.276 0.007

7,01 0,18

Finish

0.025 0.002

0,635 0,05

dia

Recommended

Board Layout

With Shield Can

0.531

max

(142 Series only)

13,49

0.375

9,53

0.197

5,00

(optional, for tuning

through the board)

Tab centers

0.411

0.750

max

sq max

0.060 0.010

1,52 0,25

10,44

19,05

0.138

3,505

0.080

2,03

(for shield

can tabs)

Start

0.138

3,505

0.1875

4,76

Finish

0.045

(2)

0.197

dia

0.157 0.010

3,99 0,25

Tab length

1,143

5,00

Terminations: Series 142 and 143 leads: Tin-silver over copper

Series 144 leads: Matte tin over copper

Resistance to soldering heat: Wave solder only. Recommended maximum

board surface temperature of 168°C (334°F) for no more than three seconds.

Pre-heating is recommended to minimize time over the solder nozzle.

Shield can tabs: Tin-silver over nickel over brass

Specifications subject to change without notice.

Please check our website for latest information.

Document108-1 Revised09/18/08

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