903-731J-51A
Amphenol RF
903-731J-51A
Amphenol RF
CONN SMB JACK R/A 50 OHM PCB
Reference Price (USD)
1+
$14.04200
500+
$13.90158
1000+
$13.76116
1500+
$13.62074
2000+
$13.48032
2500+
$13.3399
Exquisite packaging
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903-731J-51A
$14.04
Product details
Amphenol RF's 903-731J-51A revolutionizes Coaxial Connectors (RF) connectivity for automotive radar and ADAS systems. This ruggedized solution combines automotive-grade reliability with RF performance that meets 77GHz automotive radar requirements.The SMB interface features minimized flange dimensions for space-constrained installations. The low-profile design reduces aerodynamic drag in vehicle-mounted applications.Utilizing Jack, Male Pin configuration, the connector achieves <-25dB PIM performance at 2x43dBm. The multi-point contact design eliminates non-linear junctions.Solder technology provides vibration-resistant connections per LV 214-2016. The friction-locked contacts maintain <10m resistance under 50G vibration.With Solder methodology, the connector achieves <1 ground path resistance up to 100GHz. The segmented shielding design prevents ground loops in array antennas.The 50Ohm matched transition features tapered dielectric compensation for ultra-wideband performance. Measured group delay variation is <5ps across 76-81GHz band.Designed for Panel Mount, Through Hole, Right Angle installation, the connector withstands 1000 thermal cycles (-40 C to +125 C). The material CTE is matched to automotive-grade PCBs.Engineered with Bulkhead - Front Side Nut, the connector withstands 50kN crush force per ISO 16750-3. The breakaway design protects cables during impact events.The Snap-On mechanism provides tool-less installation meeting VW 60330 standards. The positive engagement system provides audible mating confirmation.Characterized at 4 GHz, the connector exhibits insertion loss <0.3dB at 77GHz. The surface finish minimizes conductor loss at millimeter-wave frequencies.With 1 automotive-qualified channels, the connector supports multi-sensor fusion architectures. Each port features integrated moisture barriers.The Gold housing material meets BMW GS 94004 chemical resistance requirements. The laser-markable surface permits permanent identification marking.The Brass formulation provides stress relaxation resistance at 150 C. Material properties are verified per USCAR-2 vibration standards.
Product Attributes
- Product Status: Active
- Connector Style: SMB
- Connector Type: Jack, Male Pin
- Contact Termination: Solder
- Shield Termination: Solder
- Impedance: 50Ohm
- Mounting Type: Panel Mount, Through Hole, Right Angle
- Mounting Feature: Bulkhead - Front Side Nut
- Cable Group: -
- Fastening Type: Snap-On
- Frequency - Max: 4 GHz
- Number of Ports: 1
- Features: -
- Housing Color: Gold
- Ingress Protection: -
- Center Contact Material: Brass
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