CONNECTOR SERIES
PCB High Density Connectors
MHD/MDD/MDp
HyperboloiD
TecHnology
Smiths Connectors offers an extensive range of superior contact technologies suitable for standard and custom
solutions. Hypertac
®
(HYPERboloid conTACT) is the original superior performing hyperboloid contact technology
designed for use in all applications and in harsh and demanding environments where high reliability and safety
are critical. The inherent electrical and mechanical characteristics of the Hypertac hyperboloid contact ensures
unrivalled performance in terms of reliability, number of mating cycles, low contact force and minimal contact
resistance. The shape of the contact sleeve is formed by hyperbolically arranged contact wires, which align
themselves elastically as contact lines around the pin, providing a number of linear contact paths.
FeATUre
LOW INSERTION/EXTRACTION FORCES
The angle of the socket wires allows tight control of the pin
insertion and extraction forces. The spring wires are
smoothly deflected to make line contact with the pin.
LONG CONTACT LIFE
The smooth and light wiping action minimizes wear on the
contact surfaces. Contacts perform up to 100,000 insertion/
extraction cycles with minimal degradation in performance.
LOWER CONTACT RESISTANCE
The design provides a far greater contact area and the wiping
action of the wires insures a clean and polished contact
surface. Our contact technology has about half the resistance
of conventional contact designs.
HIGHER CURRENT RATINGS
The design parameters of the contact (e.g., the number,
diameter and angle of the wires) may be modified for any
requirement. The number of wires can be increased so the
contact area is distributed over a larger surface. Thus, the
high current carried by each wire because of its intimate line
contact, can be multiplied many times.
IMMUNITY TO SHOCK & VIBRATION
The low mass and resultant low inertia of the wires enable
them to follow the most abrupt or extreme excursions of the pin
without loss of contact. The contact area extends 360° around
the pin and is uniform over its entire length.
The 3 dimensional symmetry of the Hypertac contact design
guarantees electrical continuity in all circumstances.
beneFiT
HIGH DENSITY INTERCONNECT SYSTEMS
Significant reductions in size and weight of sub-system
designs. No additional hardware is required to overcome
mating and un-mating forces.
LOW COST OF OWNERSHIP
The Hypertac contact technology will surpass most product
requirements, thus eliminating the burden and cost of having
to replace the connector or the entire subsystem.
LOW POWER CONSUMPTION
The lower contact resistance of our technology results in a
lower voltage drop across the connector reducing the power
consumption and heat generation within the system.
MAXIMUM CONTACT PERFORMANCE
The lower contact resistance of the Hypertac contact reduces
heat build-up; therefore Hypertac contacts are able to handle
far greater current in smaller contact assemblies without the
detrimental effects of high temperature.
RELIABILITY UNDER HARSH ENVIRONMENTS
Harsh environmental conditions require connectors that will
sustain their electrical integrity even under the most demanding
conditions such as shock and vibration. The Hypertac contact
provides unmatched stability in demanding environments when
failure is not an option.
TABLE OF CONTENTS
MHD series
Technical characteristics
.................................................................................................
2
How to order
......................................................................................................................
3
Modules configuration
......................................................................................................
4
Standard plugging stages
...............................................................................................
5
Termination styles
.............................................................................................................
6
Connector dimensions
.....................................................................................................
7
Guiding devices
..............................................................................................................
13
Contact board preparation details
................................................................................
14
Power and high frequency contacts
.............................................................................
18
MDD series
Technical characteristics
...............................................................................................
19
How to order
....................................................................................................................
20
Modules configuration
....................................................................................................
21
Standard plugging stages
.............................................................................................
22
Termination styles
...........................................................................................................
23
Connector dimensions
...................................................................................................
24
Guiding devices
..............................................................................................................
25
Contact board preparation details
................................................................................
26
MDp series
Technical characteristics
...............................................................................................
27
How to order
....................................................................................................................
28
Connector dimensions
...................................................................................................
29
Guide and termination styles
........................................................................................
30
Contact board preparation details
................................................................................
31
1
MHD
TECHNICAL CHARACTERISTICS
MATeriAls & plATings
Insulator
Frame
Contact
Guide
Contact plating
Diallyl Phtalate UL94vo
Aluminium Alloy
Copper Alloy
Brass + Ni or Stainless steel
Ni + Au
environMenTAl
Temperature range
Safety of contact from extraction
Mating cycles
Withdrawal forces
Special contacts
- 55° C to +125° C
Statical 2 mm / 0.079”
Dynamical 1.80 mm / 0.071”
5000
≤ 0.5 N
According to NFC 93569
elecTricAl
Contact resistance
Current rating
Insulation
Voltage rating
Proof voltage
Contact diameter
Impedance
Signal ≤ 12 mΩ
Power ≤ 2 mΩ
Signal 3 A
Power 15 A
>10
4
MΩ
200 V
800 V
Signal 0.50 mm
Power 2.00 mm
Coaxial 50 Ω
Dimension are in mm
2
MHD
HOW TO ORDER
HyperTAc
esA
MH D
2
3
4
5
3401-065 01b
1
1
2
3
4
series
ArrAngeMenT
052
100
152
200
252
300
352
400
5 HA
2 XA
1 HB
7 XB
6 XA
3 HB
pArT - polAriTy - plATing
1 3
1 7
55
57
Male Plug standard plating
Male Plug - Pretinned
2 2
2 6
44
46
Female Receptacle - Standard plating
Female Receptacle - Pretinned
TerMinATion sTyles
10
11
12
30
90° termination, PCB thickness 1.60
90° termination, PCB thickness 2.40
90° termination, PCB thickness 3.20
Straight termination, PCB thickness 2.40
31
41
42
43
Straight termination, PCB thickness 3.20
SMT*- PCB thickness 1.60
SMT* - PCB thickness 3.20
SMT* - PCB thickness 2.40
44
45
47
91
SMT* - uncentered PCB thickness 3.80
SMT* - uncentered PCB thickness 1.60
SMT* - uncentered PCB thickness 2.40
Female / male saver**
5
gUiDe sTyles
1 1 0
MALE POLARISED, TRANSVERSE MOUNT, STANDARD PLUG
1 2 1
FEMALE POLARISED, VERTICAL MOUNT
1 2 4
FEMALE POLARISED, TRANSVERSE MOUNT
1 2 6
FEMALE UNPOLARISED, VERTICAL MOUNT
1 3 1
FEMALE ALL POLARISED, VERTICAL MOUNT
1 3 4
FEMALE POLARISED, TRANSVERSE MOUNT
1 9 1
MALE POWER OR MASS CONTACT, TRANSVERSE MOUNT
* Surface Mount Termination
** Consult us - PCB thicknes is in mm
1 1 1
MALE POLARISED, VERTICAL MOUNT
1 2 2
FEMALE POLARISED, VERTICAL MOUNT
1 2 5
MALE UNPOLARISED, TRANSVERSE MOUNT
1 3 0
FEMALE ALL POLARISED, VERTICAL MOUNT
1 3 3
FEMALE ALL POLARISED, TRANSVERSE MOUNT
1 9 0
FEMALE POWER OR MASS CONTACT, VERTICAL MOUNT
2 0 1
¼ TURN, FREE CONNECTOR
3
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