Ironwood Electronics Leadless Surface Mount Foot User Manual

Page 1
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GHz Socket Specifications
Mechanical Specifications
Individual contact force: BGA Package Depth of penetration (mm) Force per ball (grams) Typical 1.27mm pitch BGA Typical 1.0mm pitch BGAii 0.1 16 Typical 0.8mm pitch BGA
i
iii
0.1 8.1
0.1 20.4
Notes:
i
0.75mm Nominal solder ball diameter was used in the calculation.
ii
0.6mm Nominal solder ball diameter was used in the calculation.
iii
0.4mm Nominal solder ball diameter was used in the calculation.
Conductive elastomer life: 1700 cycles.
Electrical Specifications 0.5mm Thick 0.75mm Thick
Contact resistance: Insulation resistance:
1000M
1
23m
25m1
2
1000M2 Self Inductance: 0.15nH3 0.28nH3 Bandwidth: 10.0GHz 6.5GHz4 Insertion loss: 1dB@10GHz 1dB@6.5GHz4 Mutual Capacitance (at PCB): 0.010pF5 0.011pF5 Mutual Capacitance (at device): 0.015pF5 0.015pF5 Current carrying capacity: 50mA/wire6 50mA/wire6
Notes:
1
Maximum contact resistance with 0.2mm compression (contact resistance will decrease with increased compression). Measurements
were taken using 0.4mm square electrodes. The 0.75mm value is interpolated from a test of 0.5mm, 1mm, and 2.0mm elastomers.
2
The test used 0.5mm wide Au plated electrodes with a 0.5mm gap between them. 500VDC was used with a 1mm thick elastomer
compressed 0.35mm.
3
Measurements were taken with a flat gold plated electrode. The 0.75mm value is interpolated from a test of several elastomer
thicknesses ranging from 0.1mm to 2.0mm.
4
This is a conservative estimate based on 1mm thick elastomer test results with test probes spaced at 0.5mm.
5
Measurements were taken with test probes at 0.5mm pitch. The 0.75mm value is interpolated from a test of several elastomer
thicknesses ranging from 0.1mm to 2.0mm.
6
The wires are on a 0.1x0.1mm grid. Multiple wires make contact per solder ball based on its size and depth of penetration.
Operating Temperature
Continuous usage: -35C to +85C Compression set: 150C for 22hrs
Thickness change: -4.5%
Vibration
Standard: MIL-STD202, METHOD 204, CONDITION A No change in resistance and thickness
Humidity
Standard: MIL-STD202, METHOD 106 Resistance change: 26 m Thickness change: -1%
Thermal shock
Standard: MIL-STD202, METHOD 107, CONDITION A Resistance change: -19 m Thickness change: -1%
Temperature cycling
Standard: MIL-STD202, METHOD 103, CONDITION A Resistance change: 15 m
File Name: GHS.doc Rev: B Date: 5/28/02 By: Ila Pal
Page 2
Thickness change: -6%
Heat sink Specifications
50 45 40 35 30 25 20
(deg C/W)
Tel: (800) 404-0204 www.ironwoodelectronics.com
15
Thermal resistance
10
5 0
0 1020304050
IC Size (mm)
Socket+Fan Socket Only Trend (Socket Only) Trend (Socket+Fan)
* Papst 3412/9 GL, 35.9 CFM, 6” muffin fan blowing directly on the socket.
File Name: GHS.doc Rev: B Date: 5/28/02 By: Ila Pal
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