111-1-A-5-1D Pickering Electronics, 111-1-A-5-1D Datasheet

111-1-A-5-1D

Manufacturer Part Number

111-1-A-5-1D

Description

Pico-sil Reed Relays

Manufacturer

Pickering Electronics

Datasheet

1.111-1-A-5-1D.pdf (2 pages)

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Pico-SIL Reed Relays

Including coaxial types for up to 1.5 GHz

for stacking on 0.15 x 0.4 inches pitch

giving SUPERB PACKING DENSITY

FEATURES



The Pickering Series 111 is a range of magnetically screened

single-in-line reed relays that stack on 0.15 inches by 0.4

inches pitch. They have an identical footprint to the Series

110 and 112 but the height is reduced to only 0.26 inches

(6.6mm). The switch rating of 3 Watts is adequate for most

instrumentation applications. If a higher power rating is

required, please look at our Series 110 or 112 which have

a 10 Watts rating and an identical pin-out. The range also

includes the type 111RF, a 50 ohms coaxial device suitable

for use up to 1.5GHz.

These relays require around one third the board area of

the more usual 0.2 x 0.8 inch devices and are ideal for high

density applications.

Two package styles are available:

Magnetic screening is essential to avoid magnetic interaction

problems. Interaction is usually measured as a percentage

increase in the voltage required to operate a relay when

two additional relays, stacked one each side, are themselves

operated. An unscreened device mounted on this pitch would

have an interaction fi gure of around 40 %. Relays of this

size would therefore be totally unsuitable for applications

where dense packing is required. Pickering Series 111 have an

interaction fi gure of around 1 percent.

SoftCenter

Highest quality instrumentation grade switches

Mu-metal magnetic screening

Two package styles - Mu-metal package or

Plastic package with internal mu-metal magnetic

screen

They take up the minimum of board area,

conserving board space

Insulation resistance greater than 10

3 or 5 Volt coils with or without internal diode

100% tested for dynamic contact resistance

The type 111 is encapsulated in a mu-metal can. The

coaxial version, type 111RF, is also available in this

package style.

The type 111P is encapsulated in a plastic package and

features an internal mu-metal screen. An internal diode is

an option in both types.

™ construction (see opposite)

PICKERING SERIES 111

www.pickeringrelay.com

ohms

pickering

Pickering SoftCenter™ Construction

magnetic drive

Percentage

Interaction

(change in

operate

voltage)

Bobbinless

Key:

supporting

maximise

mu-metal

magnetic

TYPICAL PICKERING CONSTRUCTION

Internal

coil to

screen

self

0.39 (10)

Pin 1

Type 111 & 111RF

20%

30%

10%

Mu-metal package

Encapsulation

Dimensions in Inches (Millimetres in brackets)

0.1

Shell

108

109

111

Unscreened

pin spacing

0.1 (2.54)

109P

110

111P

112

encapsulation

Hard outer

reed switch

0.145

(3.7)

Soft inner

Package Width (inches)

to protect

material

106

material

0.26

(6.6)

0.2

Reed switch

Diode

107

Internal

mu-metal

screen

Other

Unscreened

0.2 inch relays

0.39 (10)

TYPICAL COMPETITOR’S CONSTRUCTION

internal mu-metal screen

Pin 1

104

105

moulding material

Plastic package with

Very hard

Type 111P

101

0.3

pin spacing

0.1 (2.54)

Pickering

relays

Complete

mu-metal

can

0.145

(3.7)

magnetic screen

Coil supporting

magnetic drive

pickering

wastes space

High magnetic

and reduces

0.26

(6.6)

No mu-metal

with adjacent

interaction

Coil winding

bobbin,

relays

100

0.4

111/06/09

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111-1-A-5-1D Summary of contents

Page 1

... Volt coils with or without internal diode  100% tested for dynamic contact resistance The Pickering Series 111 is a range of magnetically screened single-in-line reed relays that stack on 0.15 inches by 0.4 inches pitch. They have an identical footprint to the Series 110 and 112 but the height is reduced to only 0.26 inches (6 ...

Page 2

... The Following actual size example illustrates the relative packing densities of standard 0.2 x 0.8 inch SIL relays compared with Pickering Series 108, 109, 110 and 111 reed relays when packed into an area of 1.2 x 2.4 inches. Important: Pickering SIL relays feature mu-metal magnetic screens, Max. ...

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