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SMM


The SMM connectors incorporate a 'snap on' latching action for ease of connection and are suitable for Surface Mount Technology (SMT). Because of their small physical size the use of automatic pick and place machines is feasable.

This connector range is suitable for the standard ranges of flexible cables and is also available in PCB and panel mount versions.

The characteristic impedance of the SMM coaxial connectors is 50 ohm.


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Electrical characteristics

Impedance

50 Ohm

Operating frequency

DC - 6 GHz

VSWR-Value

 
1,1 at 2 GHz

Withstand voltage
(depending on cable type)

≥ 500 V / 50 Hz

Operating voltage
(depending on cable type)

≤ 150 V / 50 Hz

Insulation resistance

≥ 5 GOhm

Contact resistance
  Center contact
  Outer contact


≤ 10 mOhm
≤   3 mOhm


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Mechanical characteristics

Engagement force

max. 20 N

Disengagement force

min. 6 N

Mating cycles

≥ 50


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Environmental specification

Operating temperature range

-55° C (-67° F) up to
+125° C (257° F)

Test categories

DIN 40045 / IEC 55/125/56

Relative humidity

MIL-STD-202
Method 106

Thermal shock

MIL-STD-202
Method 107
Cond.B

Shock

MIL-STD-202
Method 213
Cond.J

Vibration

MIL-STD-202
Method 204
Cond.B


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Materials

Housing

Brass
Diecast

Center Contact

Brass

Spring Loaded Contact

Beryllium copper
Bronze

Crimp ferrule

Copper
Brass

Insulator

PTFE

All products are RoHS conform.


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Plating

Housing

Ni

Center contact

NiP + Au

Contact parts

Ni, Sn

Spring loaded contacts

Ni

Crimp ferrule

Ni

Other platings on request.


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Interface dimensions

Plug

 

Jack

 

Plug

Jack

mm

mm

min.

max.

min.

max.

A

5

 

 

 

B

1,7

1,75

 

 

C

0,38

0,41

 

 

D

3,3

3,35

 

 

E

3,6

3,8

 

 

F

 

 

3,4

3,47

G

 

 

2,25

2,3


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Some connectors may have a specification that differs from the above mentioned data.

Related products

 

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SMM
PDF (56 KB)
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