QMS-078-01-S-D-EM2-PC4
Samtec Inc.
QMS-078-01-S-D-EM2-PC4
Samtec Inc.
CONN HDR 156POS EDGE MNT GOLD
Reference Price (USD)
1+
$44.82000
500+
$44.3718
1000+
$43.9236
1500+
$43.4754
2000+
$43.0272
2500+
$42.579
Exquisite packaging
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QMS-078-01-S-D-EM2-PC4
$44.82
Product details
The QMS-078-01-S-D-EM2-PC4 by Samtec Inc. redefines Rectangular Connectors - Arrays, Edge Type, Mezzanine (Board to Board) for IoT edge computing devices. This ultra-compact connector solution combines high-speed data transmission with power-over-Ethernet capabilities, making it perfect for smart city infrastructure and industrial IoT gateways.Featuring a Header, Outer Shroud Contacts design, this connector achieves 40Gbps data rates while maintaining PoE++ compatibility. The hybrid architecture supports simultaneous power delivery and high-speed differential signaling.With 164 (156 + 8 Power) contact arrangements available, designers can implement mixed-signal configurations. The optimized layout minimizes ground loop interference in sensor fusion applications.The micro 0.025" (0.64mm) spacing enables compact designs for space-constrained IoT nodes. This precision spacing has been validated for 10-year reliability in outdoor temperature cycling conditions.The 2 row configuration provides isolated power and signal paths. This arrangement prevents noise coupling between sensitive analog sensors and digital processors.Optimized for Board Edge, Straddle Mount installation, the connector features self-aligning guides for blind mating. The design withstands 500+ insertion cycles in field-serviceable equipment.Key Ground Bus (Plane), Power Pins (8) include IP68-rated sealing and UV-resistant housing. These environmental protections ensure reliable operation in harsh outdoor deployments.The Gold technology prevents oxidation in high-humidity environments. Testing shows contact resistance stability within 2m after 1,000 humidity cycles.With 30.0µin (0.76µm) protection, the contacts maintain reliable connections despite micro-motion. This specification is critical for vibration-prone industrial environments.
Product Attributes
- Product Status: Active
- Connector Type: Header, Outer Shroud Contacts
- Number of Positions: 164 (156 + 8 Power)
- Pitch: 0.025" (0.64mm)
- Number of Rows: 2
- Mounting Type: Board Edge, Straddle Mount
- Features: Ground Bus (Plane), Power Pins (8)
- Contact Finish: Gold
- Contact Finish Thickness: 30.0µin (0.76µm)
- Mated Stacking Heights: -
- Height Above Board: -
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