Specifications
PCIe/104 and PCI/104-Express Specification Revision 3.0 February 17, 2015 Page 44
6.1.2 Connector A Specifications
MATERIALS
Housing: Liquid Crystal Polymer
Terminal & Ground Plane Material: Phosphor Bronze
Terminal Plating: Au over 50μ” (1.27μm) Ni
Plane Plating: Au over 50μ” (1.27μm) Ni
Terminal and Plane Tails: Tin
CONTACT FINISH
Socket Interface: 30μ” Au
Terminal Interface: 30μ” Au
Underplate: 50μ” Ni
MECHANICAL PERFORMANCE
Insertion Force: 10.6 lbs initial & 12.9 lbs @ 100 cycles
Insertion Force OneBank variation: 2.9 lbs initial & 3.3 lbs @ 100 cycles
Withdrawal Force: 6.3 lbs initial & 9.3 lbs @ 100 cycles
Withdrawal Force OneBank variation: 1.9 lbs initial & 2.6 lbs @ 100 cycles
Normal Force @ nominal deflection: 67 grams
Normal Force @ nominal deflection OneBank: 67 grams
Standard Optional
Minimum stacking size: 14.8mm 21.56mm
Nominal stacking size: 15.24mm 22.00mm
Maximum stacking size: 15.50mm 22.26mm
Contact wipe (at nom. Height): .044” [1.22mm]
Ground Plane wipe (at nom. Height): .059” [1.50mm]
Durability: 50 cycles
Operating Temp: -55 °C to 125 °C
ELECTRICAL PERFORMANCE
Positions Three banks of 52 pins and 1 plane for 156 total pins and 3 planes
Optional one bank of 52 pins and 1 plane
Contact Resistance (initial): 30 mOhms
Contact Resistance (@ 1,000 cycles): 50 mOhms
Contact Current Capacity: 1.8A at 85 °C and with 20% Industry Standard Derating Factor
Ground Plane Resistance: 0.5 mOhms
Ground Plane Current Capacity: 8.4A at 85 °C and with 20% Industry Standard Derating Factor
Dielectric Withstanding Voltage: 900 VAC
Working Voltage: 300 VAC
Insulation Resistance: 50,000 mega Ohms
SOLDERABILITY
Maximum Processing Temperature: 230 °C for 60 seconds or 260 °C for 20 seconds
HIGH FREQUENCY PERFORMANCE
Differential Pair Impedance 100 Ohms nominal +/- 10%
Single-Ended Impedance 50 Ohms nominal +/- 10%
Differential Return Loss (SDD11): -15dB @ 1.25 GHz; -8dB @ 5 GHz
Differential Insertion Loss (SDD21): -1dB @ 1.25 GHz; -3dB @ 5 GHz
Differential Near End Crosstalk (SDD31): -45dB @ 1.25 GHz; -35dB @ 5 GHz
Differential Far End Crosstalk (SDD41): -45dB @ 1.25 GHz; -25 dB @ 5 GHz