M.2 Gen5 Socket M Key, H=4.2mm
123A-42M02
M.2 Gen5 Socket, H4.2 M Key 0.5 Pitch G/F, Black, Reel
ATTEND's 123A-42M02 M.2 Gen5 M-Key Socket features a 4.2 mm connector height and 0.5 mm contact pitch, providing a compact connectivity solution designed for PCIe Gen5 applications. Its M-Key configuration supports space-efficient PCB integration for NVMe SSD modules, servers, industrial computers, and high-performance storage systems.
With a rated current of 1 A per power contact, durability of 60 mating cycles, and an operating temperature range of -40°C to +85°C, the connector is designed to meet the connectivity requirements of next-generation computing and storage equipment.
ATTEND's 123A-42M02 M.2 Gen5 M-Key Socket features a 4.2 mm connector height and 0.5 mm contact pitch, providing a compact connectivity solution designed for PCIe Gen5 applications. Its M-Key configuration supports space-efficient PCB integration for NVMe SSD modules, servers, industrial computers, and high-performance storage systems.
With a rated current of 1 A per power contact, durability of 60 mating cycles, and an operating temperature range of -40°C to +85°C, the connector is designed to meet the connectivity requirements of next-generation computing and storage equipment.
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MAIN FEATURES

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M.2 Gen5 M-Key socket designed for high-speed storage applications
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4.2 mm connector height for space-efficient PCB integration
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0.5 mm contact pitch with M-Key configuration
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Rated current: 1 A per power contact
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Durability: 60 mating cycles
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Operating temperature range: -40°C to +85°C
APPLICATIONS

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NVMe SSD Modules
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Enterprise Servers and Data Storage Systems
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Industrial PCs
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Embedded Computing Systems
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High-Performance Computing and Storage Devices
SPECIFICATION
| Current Rating | 1A(Power Contact) |
|---|---|
| Voltage Rating | 50VAC |
| Contact Resistance | 55mΩ, Δ20mΩ MAX. |
| Insulation Resistance | 500MΩ |
| Dielectric Withstanding Voltage | 300VAC |
| Durability | 60 Mating Cycles |
|---|---|
| Mating Force | 25N max. |
| Un-mating Force | 25N max. |
| Operating temperature range | -40°C to +85°C |
|---|---|
| Storage temperature range | 40°C to +85°C |
| Recommended IR Reflow Temperature | 260℃ |
|---|







