Trading off pin size, cu for miniaturise

As size, space and capability become i

, discusses miniaturisation meet this emerging trend in connecto

important factors, Phil McDavitt, gene at Nicomatic


constant demand for electronic systems is miniaturisation. This does not just apply to obvious consumer phones; it applies

goods such as smart to all applications sectors. Medical

instrumentation to be worn by a patient for remote diagnostics must be small and light. Transportation systems,

systems which must not take up too much cabin space. The performance of defence and aerospace systems, especially drones, is highly-dependent on miniaturisation.

hi h

Choosing the connector is rarely (if ever) where a design begins. Yet everything needs to be powered and signals need to be communicated. Connectors often take the brunt of the mechanical and thermal forces endured by a system, so correct specification is vital. Connectors therefore component, must be fit fo

sp pecification is

e, like any other or purpose: what


whether private or public, often include driver assistance (ADAS) or infotainment k

urrent and thermal conside ed connector applications

ncreasingly eral manager n and how to r applications

suits a consumer harsh environme One approach i he signal pins of a connect

specs. T

are smaller in cross-section than t power pins, so they together. This is

r item will not withstand ents.

appear meaningless, since the signal contact will be rated accordingly t a smaller current f

performance of a connect reveal the whole

f a connect

A SOLUTION IN Designed to mee mechanical perfo MIL-DTL-55302

CMM et the electrical and d

standards, Nicomatic’s CMM 2mm, micro pitch modular connect than 20 million c


of up to 60 per cent and of up to 50 per cent,

ormance requirements of F and BS-9525-F0033 matic’s CMM 2mm, micro onnector enables more configurations of signal,

ents of 033


pin and coax pin s from one to three rows and up to 120 pi ns deliverable. Offering space-savings o weight savings o

RMANCE ARINC 801 connector range

c’s CMM micro r range

is to look closer at the l pins of a connector oss-section than the hey can be stacked closer obvious, yet may also less, since the signal

ated accordingly to carry t. However, the headline i

a connector pin may n story.

may not

A current-carrying graph that illustrates how CMM micro con

met temperature demands

-carrying graph rates how CMM nnectors have erature demands

CMM connectors are P PS material.

With this, they exhibit

e manufact ured in ibit no humidity

absorption and are oxy to radiation and solvents; t withstand temperatu

nom A

xygen-free, resistant ents; they can also

- 60 degrees Celsius and + 125 degrees Cellsius. CMM connector signal pins are minally rated at 3A, power pins up t But CMM connect

20A. 10A fa

with high power cont By count


fast pulse currents in conjunct high power cont

he harsh

ounteracting the harsh ronments demanded of it operation, the CMM micro connector offers a possible solut

ure cycling of between and + 125 degrees ctor signal pins are A, power pins up to ectors can cope wit i h nts in conjunction tacts.

nded of it during its micro connector

question of miniaturised applications and their effectiveness, as connect

in their evolution towards smaller, more durable solutions.

Nicomatic www.nicom


The MC801 is int

NECTORS BY TE CONNECTI termateable with competitive ARI

connectors and compatible with stan The connector featu

eight shell sizes, with a range of shell materials an available to meet various application 1 25mm Zircon

mpatible with standard 38999 back-shells an ures scoop-proof mating, six keying option ith a range of shell materials and platin arious application demands. The cont

1.25mm Zirconia ceramic ferrule provides a high-den allows up to 32 optical termin

NNECTIVITY 801/38999

shells and hardware. options and supports ting finishes tact’s compact

The genderless, pull-proof design of the ARINC 801 physical contact optical termini supports multimode and single mode fibres, compatible with tight jacket and loose tube cable construction. End face geometries are available with e maintain optical co

ectivity s MC801 family of fibre optic connectors com bine the performance capabilities of ARINC 801 optical termini, with th

TE Connectivity’s MC801 family of fibre optic con

and familiarity of MIL-DTL-38999 series III style connectors. Design survivability, the ruggedised connector’s threaded coupling, combin the optical termini’s spring-loaded design, make for a solution vibration of harsh environments.

he versatility Designed for ombined with n to the high-

Precise alignment of the optical interface is achieved with thermoplastic inserts containing precision Zirconia alignment sleeves, which are removable in order to facilitate inspection and cleaning. With insertion losses of 0.10dB for multimode and 0.20dB for single mode (APC finish), as well as return losses up to -65dB (single mode, APC finish), the MC801 provides optimal optical performance, with a standard

), p p p p

eramic ferrule provides a high-density solution, which tical termini to be accommodated in a size 25 shell. pull-proof design of the ARINC 801 physical contact pports multimode and single mode fibres, compatible nd loose tube cable construction. End face geometries either UPC or APC polishes. Spring-loaded termini help ontact during shock, vibration and thermal extremes. of the optical interface is achieved with thermoplastic precision Zirconia alignment sleeves, which are r to facilitate inspection and cleaning. osses of 0.10dB for multimode and 0.20dB for single , as well as return losses up to -65dB (single mode, APC provides optimal optical performance, with a standard

y solution which

ution to the ongoing ised applications and s connectors continue wards smaller, more


operating temperature range of -65 degrees Celsius to +85 degrees Celsius and a durability of 100 mating cycles.

, with a standard +85 degrees Celsius


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