143-12J12L datasheet, PDF - EEWORLD Datasheet

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143-12J12L: DescriptionVariable Inductors 143 Unicoil Tunable 20.5 mOhms 6.6 A; CategoryPassive components inductor; File Size217KB，2 Pages; ManufacturerCOILCRAFT; Websitehttp://www.coilcraft.com/; Environmental Compliance

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143-12J12L Overview

Variable Inductors 143 Unicoil Tunable 20.5 mOhms 6.6 A

143-12J12L Parametric

Parameter Name	Attribute value
Is it lead-free?	Lead free
Is it Rohs certified?	conform to
package instruction	3838
Reach Compliance Code	compliant
ECCN code	EAR99
Is Samacsys	N
uppercase and lowercase codes	3838
structure	Unshielded
core material	CARBONYL
DC Resistance	0.0205 Ω
Maximum inductance(L)	0.95 µH
Minimum inductance(L)	0.578 µH
Nominal inductance(L)	0.764 µH
Inductor Applications	RF INDUCTOR
Inductor type	VARIABLE INDUCTOR
JESD-609 code	e2
Lead diameter	0.635 mm
Lead length	3.5 mm
Manufacturer's serial number	143
Number of functions	1
Number of terminals	4
Maximum operating temperature	85 °C
Minimum operating temperature	-40 °C
Package height	17.88 mm
Package length	9.65 mm
Package form	PCB Mount
Package width	9.65 mm
method of packing	Tube
Minimum quality factor (at nominal inductance)	84
series	143(TUNABLE)
Shape/Size Description	PCB MOUNT, VERTICAL ADJUSTER
shield	NO
surface mount	NO
Terminal surface	Tin/Silver (Sn/Ag)
Terminal location	RADIAL
Terminal shape	WIRE
Test frequency	40 MHz
Base Number Matches	1

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Document 108-1

10 mm Tunable Coils – 142, 143, 144

These Coilcraft variable inductors are precision molded in

plastic to ensure constant winding pitch and a consistent

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 ordered 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

purchase on-line.

Unshielded Styles

0.380 ±0.005 square

9,65 ±0,13

0.470 ±0.020

11,94 ±0,51

0.704 ±0.020

17,88 ±0,51

(142 Series only)

0.138 ±0.040

3,5 ±1,02

0.276 ±0.007

7,01 ±0,18

TRITUNER

3 TOOLS IN 1

SEE INDEX

TUNING WRENCH

Start

0.276 ±0.007

7,01 ±0,18

Finish

0.025 ±0.002

dia

0,635 ±0,05

With Shield Can

0.411 sq max

10,44

0.531

max

13,49

0.750

max

19,05

(142 Series only)

0.060 ±0.010

1,52 ±0,25

Start

Recommended

Board Layout

0.375

Tab centers

9,53

0.197 (optional, for tuning

5,00 through the board)

0.080 (for shield

2,03 can tabs)

0.138

3,505

0.138

3,505

0.197

dia

5,00

Finish

0.157 ±0.010

3,99 ± 0,25

Tab length

0.045 (2)

1,143

0.1875

4,76

Dimensions are in

Weight:

Packaging:

142 series

143 series

144 series

inches

Terminations:

Series 142 and 143 leads: Tin-silver over copper

Series 144 leads: Matte tin over copper

Shield can tabs: Tin-silver over nickel over brass

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.

Unshielded

1.39 – 1.82 g

1.75 – 2.40 g

1.22 – 1.74 g

50 per tube

With shield can

1.64 – 2.16 g

2.85 – 3.54 g

2.35 – 2.91 g

50 per tube

+1-847-639-6400 sales@coilcraft.com

+44-1236-730595 sales@coilcraft-europe.com

Taiwan

+886-2-2264 3646 sales@coilcraft.com.tw

China

+86-21-6218 8074 sales@coilcraft.com.cn

Singapore

+ 65-6484 8412 sales@coilcraft.com.sg

Document 108-1

Revised 09/18/08

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.

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