112-1-A-5-2D Pickering Electronics, 112-1-A-5-2D Datasheet

112-1-A-5-2D

Manufacturer Part Number

112-1-A-5-2D

Description

Single-in-line Reed Relays

Manufacturer

Pickering Electronics

Datasheet

1.112-1-A-5-2D.pdf (2 pages)

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Single-in-Line Reed Relays

for stacking on 0.15 x 0.4 inches pitch giving

SUPERB PACKING DENSITY

FEATURES

The Pickering Series 112 is a range of magnetically

screened single-in-line reed relays that require a board

area of only 0.15 inches (3.8mm.) by 0.4 inches (10mm.)

while retaining the 10 Watts, 0.5 Amps rating associated

with larger relays. This small footprint is achieved by

mounting the reed switch diagonally within the package.

These relays require around one third the board area of

the more usual 0.2 x 0.8 inch devices and the height of

only 0.43 inches (11mm.) is suitable for high density card

based systems such as VME, VXI, Compact PCI, and PXI.

The high quality, sputtered ruthenium switch contacts also

makes them ideal for Automatic Test Equipment.

The Series 112 is encapsulated in a plastic package

using a very high resistivity resin to achieve an insulation

resistance greater than 10

internal mumetal screen which totally eliminates the risk

of magnetic interaction problems. An unscreened device

mounted on this pitch would have an interaction figure of

around 40 percent. Relays of this size without magnetic

screening would therefore be totally unsuitable for

applications where dense packing is required. Pickering

Series 112 have a typical interaction figure of 5 percent.

3, 5 and 12 Volt coils are standard, with the option of an

internal diode. 5 Volt coils have a resistance of 500 ohms

and may be driven directly from TTL logic.

SoftCenter

Highest quality instrumentation grade switches

Ideal for high density card based systems and

Automatic Test Equipment

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, 5 and 12 Volt coils are standard, with or

without internal diode

5 Volt coils of 500 ohms may be driven directly

from TTL logic

100% tested for dynamic contact resistance

™ construction (see reverse)

ohms. The relay has an

PICKERING SERIES 112

www.pickeringrelay.com

ohms

pickering

Percentage

Interaction

(change in

operate

voltage)

Key:

30%

20%

10%

0.395 (10)

(Millimetres in brackets)

Pin 1

0.1

Dimensions in Inches

108

109

111

Unscreened

109P

110

111P

112

Package Width (inches)

106

0.2

0.1 (2.54) pin spacing

107

Internal

mu-metal

screen

Other

Unscreened

0.2 inch relays

104

105

0.145

(3.7)

(11.0)

0.43

101

0.3

Pickering

relays

Complete

mu-metal

can

pickering

100

0.4

112/06/09

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112-1-A-5-2D Summary of contents

Page 1

... Relays of this size without magnetic screening would therefore be totally unsuitable for applications where dense packing is required. Pickering Series 112 have a typical interaction figure of 5 percent and 12 Volt coils are standard, with the option of an internal diode. 5 Volt coils have a resistance of 500 ohms and may be driven directly from TTL logic ...

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, and 112 reed relays when packed into an area of 1.2 x 2.4 inches. Important: Pickering SIL relays feature mu-metal magnetic screens, Max. Max. contact unscreened relays are unsuitable for dense packing in this way ...

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