High Temperature Micro Connector Assemblies


ITT Interconnect Solutions, a
leading global manufacturer and supplier of connectors, interconnects,
and cable assemblies, has developed a series of high temperature
micro connectors. Designated the MDM Series, the connectors are
rated for operation to 200°C and can be terminated in daisy-chain
configurations within complex electronic instrumentation packages.

"We've had a number of requests from customers for a connector
solution that accommodates larger wire sizes, which in turn requires
the use of high temperature back molding materials," said Keith
Teichmann, director of marketing for ITT Interconnect Solutions. "The
MDM Series connectors feature an integrated termination method to
accommodate multiple conductor sizes and precision back molding,
allowing us to meet our customers precise needs."

Typical applications for the MDM Series high temperature connectors
include geophysical and oil exploration, electronic instrumentation and
down-hole mapping.

The MDM Series connectors represent a complete turnkey solution
based on the use of specialized high temperature materials such as
LCP (liquid crystalline polymer) thermoplastic. A D-subminiature
connector based on PPS (polyphenylene sulfide) thermoplastic can
also be integrated into the assembly.

The micro connectors accept #22 and #26 AWG (American Wire Gauge)
wire sizes and offer a combination of 1.27mm and 2.54mm
(0.050" and 0.100") spacing. The MDM Series connectors also feature
a twist pin contact system and crimped gold plated contacts.


• Standard Materials and Finishes: Shell- 6061-T6 Aluminum alloy per QQ-A-200/8, yellow chromate/ cadmium, Type II, Class 3 over electroless nickel per SAE AMS-C-26074, Class 4. • Insulator- Liquid Crystal Polymer per MIL-M-24519, Type GLCP-30F (9-100) - Glass filled diallyl phthalate per MIL-M-14, Type SDGF (7*2 and 24*4) - Polyphenylene sulfide per MIL-M-24519, Type GST-40F (16*5) - Polyester per MIL-M-24519, Type GPT-30F (10*10) • Contacts - Copper alloy, gold plate • Mounting Hardware - 300 Series stainless steel, passivate • Kit, Jackpost (3) items- 300 Series stainless steel, passivate • Washer- 400 Series stainless stell, passivate • Standard Epoxy - Hysol EE4215/HD3561, color black or Hysol EE4198/HD3561, color green. • Mechanical Features: Coupling- Friction/jackscrews • Polarization- Keystone-shaped shells • Contact Spacing Centers- .050 (1.27) • Shell Styles- Plug and receptacle • No. of Contacts- 9 thru 100 signal; 5 signal/2 coaxial; 5 signal/2 power; 11 signal/5 coaxial; 11 signal/5 power; 0 signal/10 coaxial; 0 signal/10 power; 20 signal/4 coaxial; 20 signal/4 power • Coaxial Cable- RG - 178/U • Wire Size- #24 thru #32 AWG • Contact Termination- Multiple indent crimp.
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