111 datasheet(7/7 Pages) PICKERING

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Pico SIL/SIP Reed Relays – Series 111

pickering

relay.com

10 Key Benefits of Pickering Reed Relays

Key Benefit

Pickering Reed Relays

Typical Industry Reed Relays

Instrumentation Grade

Reed Switches

Instrumentation Grade Reed Switches

with vacuum sputtered Ruthenium

plating to ensure stable, long life up to

5x10E9 operations.

Often low grade Reed Switches with

electroplated Rhodium plating resulting

in higher, less stable contact resistance.

Formerless Coil

Construction

Formerless coil construction increases

the coil winding volume, maximizing

magnetic efficiency, allowing the use of

less sensitive reed switches resulting in

optimal switching action and extended

lifetime at operational extremes.

Use of bobbins decreases the coil

winding volume, resulting in having

less magnetic drive and a need to use

more sensitive reed switches which

are inherently less stable with greatly

reduced restoring forces.

Magnetic Screening

Mu-metal magnetic screening (either

external or internal), enables ultra-high

PCB side-by-side packing densities with

minimal magnetic interaction, saving

significant cost and space.

Pickering

Mu-Metal magnetic screen - interaction

approx. 5%

Lower cost reed relays have minimal

or no magnetic screening, resulting in

magnetic interaction issues causing

changes in operating and release

voltages, timing and contact resistance,

causing switches to not operate at their

nominal voltages.

Typical industry

screen - interaction approx. 30%

SoftCenter™

Technology

SoftCenter™ technology, provides

maximum cushioned protection of the

reed switch, minimising internal lifetime

stresses and extending the working life

and contact stability.

Transfer moulded reed relays (produced

using high temperature/pressure),

result in significant stresses to the glass

reed switch which can cause the switch

blades to deflect or misalign leading to

changes in the operating characteristics,

contact resistance stability and operating

lifetime.

100% Dynamic

Testing

100% testing for all operating

parameters including dynamic contact

wave-shape analysis with full data

scrutiny to maintain consistency.

Simple dc testing or just batch testing

which may result in non-operational

devices being supplied.

100% Inspection

at Every Stage of

Manufacturing

Inspection at every stage of

manufacturing maintaining high levels

of quality.

Often limited batch inspection.

100% Thermal

Cycling

Stress testing of the manufacturing

processes, from -20°C to +85°C to -20°C,

repeated 3 times.

Rarely included resulting in field failures.

Flexible

Manufacturing

Process

Flexible manufacturing processes allow

quick-turn manufacturing of small

batches.

Mass production: Usually large

batch sizes and with no quick-turn

manufacturing.

Custom Reed Relays

Our reed relays can be customized

easily, e.g. special pin configurations,

enhanced specifications, non-standard

coil or resistance figures, special life

testing, low capacitance, and more.

Limited ability to customize.

Product Longevity

Pickering are committed to product

longevity; our reed relays are

manufactured and supported for

more than 25 years from introduction,

typically much longer.

Most other manufacturers discontinue

parts when they reach a low sales

threshold; costing purchasing and R&D

a great deal of unnecessary time and

money to redesign and maintain supply.

X-Ray of Pickering

mu-metal

magnetic screen

X-Ray of typical

industry

magnetic screen

Coil Voltage

Dynamic Contact Resistance Test

Operate

Release

+85°C

-20°C

ongevit

Product

Longevity

25+Years

For more information go to: pickeringrelay.com/10-key-benefits

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