Four Star Communication

SMP


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SMP

The SMP interface is a subminiature interface in the same scale as MMCX connectors but offers a frequency range of DC to 40 GHz. It is commonly used in miniaturized high frequency coaxial modules and is offered in both push-on and snap-on mating styles.

The available detent systems, full, limited, and smooth bore, provide respective levels of engagement/disengagement forces. This family of interconnects addresses small package design needs. It can be utilized as a highly shielded interconnect for high data rate applications or in a board-to-board system using a floating bullet adapter. This floating bullet provides a link between mated pairs compensating for both radial and axial misalignment.

Available in a cable-to-board mated pair, the plug side can be provided in either right angle or straight with termination capability to either 0.047” or 0.086”, semi-rigid or conformable coax. The receptacles are designed for surface, through hole, or end launch mounting.

 

Features and Benefits

● Designed to accommodate both radial and axial misalignment

● Push-on and snap-on mating styles for quick installation

● Designs available for board-to-board and cable-to-board configurations

 

Applications

● Antennas

● Broadband

● Military

● Instrumentation

● Medical

● Quantum Computing

 

SMP  Connectors Specifications

Electrical

Items

Impedance

50 Ohm

Frequency Range

DC - 26.5 GHz (DC - 40 GHz on Extended Range Designs)

Voltage Rating

335 Volts RMS Max Continuous

Dielectric Withstanding Voltage

500 VRMS Min

VSWR  (Return Loss)

 

DC - 18 GHz

1.2 (-21 dB) Max

18 - 26.5 GHz

1.3 (-18 dB) Max

26.5 - 40 GHz

1.7 (-12 dB) Max

Insulation Resistance 

5000 MΩ Min

Center Contact Resistance

6 mΩ Max

Outer Contact Resistance

2 mΩ Max

RF Leakage

-85 dB Max (DC - 4 GHz)

Insertion Loss

.1 √(f(GHz)) dB Max

Power Handling

32 W @ 1 GHz @ 25ºC

 

Environmental

Items

Temperature Range

−65°C to +165°C

Thermal Shock

MIL-STD-202, Method 107, Condition C

Corrosion

MIL-STD-202 Method 101 (Test Condition B) - 5% Salt Solution

Vibration

MIL-STD-202, Method 204, Condition B

Mechanical Shock

MIL-STD-202, Method 213, Condition B

Moisture Resistance

MIL-STD-202, Method 106, Condition D

 

Mechanical

Items

Mating Cycles

100 Min

Coupling Mechanism

Push-On

Interface Specification

MIL-STD-348

Engagement Force

≤ 15.0 lbs (40 N)

Disengagement Force

≤0.5 lbs (2N)

Mechanical Misalignment

 

Axial

0.25 mm

Radial

0.51 mm

Min Board to Board Distance

9.1 mm

Note: These characteristics are typical and may not apply to all connectors.
Connector configurations may affect performance

 

Interface Dimensions

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