P2442 Switchcraft Inc., P2442 Datasheet

P2442

Manufacturer Part Number

P2442

Description

WASHER PHENOLIC FLAT

Manufacturer

Switchcraft Inc.

Type

Washerr

Series

-r

Datasheets

1.P2442.pdf (1 pages)

2.N112BX.pdf (2 pages)

3.P2442.pdf (1 pages)

Specifications of P2442

Rohs Information

Switchcraft RoHS Info.

Accessory Type

Washer

Number Of Positions

Mounting Hole Size

0.312 in

Outside Diameter

0.438 in

Features

2 conductor jack

Color

Lead Free Status / RoHS Status

Lead free / RoHS Compliant

For Use With/related Products

Miniature Power Jack

Color

Lead Free Status / Rohs Status

Lead free / RoHS Compliant

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SWITCHCRAFT, INC. 5555 N. Elston Ave. • Chicago, IL 60630

Single open circuit. (J1.)

Transfer circuit. (J5).

Single closed. Isolated

switching “make”

circuit. (J4-1A).

JACK SCHEMATICS

Circuit Types: Jacks normally have through circuits, shunt

circuits, and/or isolated switching circuits, either individually or

in various combinations. The chart below shows schematics of

39 common jacks - many more combinations are possible, but

these are the most commonly used. A basic description of the

switching action of each jack accompanies each schematic.

Military Identification: Military specifications covering phone

jacks use a special code to describe jack functions. Jack

schematic descriptions are coded J-1 through J-13 (as

appropriate) to coincide with Federal Item Identification

Guides for Supply Cataloging. One or more groups of suffix

numbers/letters identify isolated switching circuits used.

Suffixes identify the switching by industry recognized notation,

i.e., 1-A, 1-B, 1-C, 1-D, etc. See chart below.

Double open circuit.

Isolated switching–

separate “break” and

make circuits (J2-1A-1B).

Double open circuit.

Isolated switching–

separate “make”

circuits on both tip and

ring. (J2-2A).

Single closed circuit,

sleeve common. (J3).

Tip closed, ring

open. (J10).

Double closed

circuit. (J7).

Single closed circuit

Isolated switching

“break” circuit. (J4-1B).

Double closed circuit.

Isolated switching

“make” circuit on ring

spring. (J7-1A).

DIMENSIONS ARE FOR REFERENCE ONLY

Single closed circuit. (J4).

Tip closed, ring open

(common to sleeve). (J6).

Single closed circuit.

Isolated switching

transfer circuit. (J4-1C).

Single closed circuit–

“make” before

“break”. (J8).

Single closed circuit

plus “make” before

“break”. Isolated

switching–“make”

before “break”

circuit. (J8-1D).

NOTE: Number indicates the quantity of circuit - 2-A means 2, A circuits.

Terminals locations shown on jack schematics do not necessarily coincide

with physical locations on jacks. Not all circuit types available on all jacks.

Notation

1-C

1-D

1-A

1-B

(mm)

Inch

Double open circuit. (J2).

Single open circuit.

Isolated switching

“break” circuit. (J1-1B).

Double closed circuit.

Isolated switching

“break” circuit. (J7-1B).

Single open circuit.

Isolated switching

transfer circuit. (J1-1C).

Single open circuit.

Isolated switching–

separate transfer and

“make” circuits.

(J1-1A-1C).

One, SPST switching circuit. Also known as NO

(normally open) or “make” circuit.

One, SPST switching circuit. Also known as NC

(normally closed) or “break” circuit.

One, SPDT switching circuit. Also known as transfer

or “break” before “make” circuit.

One, SPDT switching circuit. Also known as “make”

before “break” circuit.

Meaning

Single open circuit.

Isolated switching

“make” circuit. (J1-1-A).

Double closed circuit,

ring common to

sleeve. (J13).

Double open circuit.

Isolated switching

transfer circuit. (J2-1C).

“make” circuit.

“break” circuit. Sleeve

(J4-1B).

Double open circuit.

Isolated switching

(J2-1A).

Single closed circuit.

Isolated switching

common to isolated

switching circuit throw.

Related parts for P2442

P2442 Summary of contents

Page 1

JACK SCHEMATICS Circuit Types: Jacks normally have through circuits, shunt circuits, and/or isolated switching circuits, either individually or in various combinations. The chart below shows schematics of 39 common jacks - many more combinations are possible, but these are the ...

Page 2

JACK SCHEMATICS Single closed circuit. Tip closed; ring open Isolated switching– circuits. Isolated “make” before “break” switching–two “make” circuit. (J4-1D). circuits and one “break” circuit. (J10-2A-1B). Tip closed; ring closed Double closed circuit. circuits. Isolated Separate sleeve switching–“break” “break” circuit. ...

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