VITA 42 Standard Products and Support

VITA 42 XMC is a widely deployed mezzanine Standard used in high-reliability computers implementing switched-fabric architectures. XMC combines PCI Mezzanine Card (PMC) with serial fabric technology on proven mezzanine form-factors.

In 2017, VITA updated XMC’s base specification to recommend solderball connectors. Original parts employed Paste-On-Pad attachment, while recommended parts utilize modern solderball technology. Listed below are the recommended SamArray connectors, plus optional JSOM ejector standoffs to assist in XMC card un-mating.


VITA 42

VITA 42 - SamArray

VITA 42 XMC specifies solderball-equipped SamArray connectors in 10mm and 12mm stack heights. Solder options include Lead-free and Tin-lead alloys.

 

Samtec PN

Socket (Carrier Side)

10mm Mated

12mm Mated

LIF Contacts

Terminal
(Module Side)

Standard Height

Solder
Ball
Type
Options

Kapton Pad (-K)

Alignment Pins (-A)

Tape & Reel
(-TR)

Plating: H=30µ" Gold or E=50µ" Gold

Design Support

Prints

3D

PADS

ASP-103612-01

X

 

 

 

Tin-Lead

X

 

X

H

PDF Print

IGES
PARASOLID
STEP

PADS File

ASP-103612-02

X

 

 

 

Lead-Free

X

 

X

H

PDF Print

IGES
PARASOLID
STEP

PADS File

ASP-103612-03

X

 

 

 

Tin-Lead

 

 

 

H

PDF Print

IGES
PARASOLID
STEP

PADS File

ASP-103612-04

X

 

X

 

Lead-Free

X

 

X

H

PDF Print

IGES
PARASOLID
STEP

PADS File

ASP-103612-05

X

 

X

 

Tin-Lead

X

 

X

H

PDF Print

IGES
PARASOLID
STEP

PADS File

ASP-103614-01

 

 

 

X

Tin-Lead

X

 

X

H

PDF Print

IGES
PARASOLID
STEP

PADS File

ASP-103614-04

 

 

 

X

Lead-Free

X

 

X

H

PDF Print

IGES
PARASOLID
STEP

PADS File

ASP-189983-01

 

X

X

 

Tin-Lead

X

 

X

H

PDF Print

IGES
PARASOLID
STEP

PADS File

ASP-189983-02

 

X

X

 

Lead-Free

X

 

X

H

PDF Print

IGES
PARASOLID
STEP

PADS File

ASP-153860-01

 

 

 

12mm

Lead-Free

X

 

X

H

PDF Print

IGES
PARASOLID
STEP

PADS File

ASP-153860-02

 

 

 

12mm

Tin-Lead

X

 

X

H

PDF Print

IGES
PARASOLID
STEP

PADS File

VITA 42/V61 - JSOM

Some XMC mezzanine cards may present a challenge to unmate from their host. To aid in separation, Samtec has developed the JSOM (Micro Jack Screw Standoff.) They act as a traditional standoff when collapsed. An Allen-key unscrews and expands the jack screw, dividing the PCBs in a steady, even motion until the mezzanine is safely separated from its host. The JSOM standoff family includes M2.5, M3, and #4-40 hardware available in 10mm and 12mm stack heights.

VITA 42 (XMC) Micro Jack Screw Stand Offs (JSOM)
 

Samtec PN

 

Thread Locker

M2.5 Thread*

10mm

12mm

M3 Thread

10mm

12mm

#4-40 Thread

10mm

12mm

Design Support

Prints

3D

ASP-198471-02

YES

X

 

 

 

 

 

PDF Print

STEP

ASP-198471-03

YES

 

X

 

 

 

 

PDF Print

STEP

ASP-199169-02

YES

 

 

X

 

 

 

PDF Print

STEP

ASP-199169-03

YES

 

 

 

X

 

 

PDF Print

STEP

ASP-199167-02

YES

 

 

 

 

X

 

PDF Print

STEP

ASP-199167-03

YES

 

 

 

 

 

X

PDF Print

STEP

ASP-198471-05

NO

X

 

 

 

 

 

PDF Print

STEP

ASP-198471-06

NO

 

X

 

 

 

 

PDF Print

STEP

ASP-199169-05

NO

 

 

X

 

 

 

PDF Print

STEP

ASP-199169-06

NO

 

 

 

X

 

 

PDF Print

STEP

ASP-199167-05

NO

 

 

 

 

X

 

PDF Print

STEP

ASP-199167-06

NO

 

 

 

 

 

X

PDF Print

STEP

* - Meets VITA mezzanine standoff specifications

Test Reports

VITA 42 XMC Standard

For questions regarding the VITA 42 XMC Standard and additional information, please contact us at:

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