3M UHM User Manual

3MUltra Hard Metric (UHM) Press-Fit Socket

2 mm, C Type: 55 Signal Contacts, 5+2 Rows, Right Angle UHM Series

• 7+GbpsdatarateswhenmatedtostandardIEC 61076-4-101headers.

• Lowcrosstalkathighfrequencies

• 50/100Ω(single-ended/differential)impedance

• Modular/scalableformatIEC61076-4-101

• Press-fitheadersandreceptacles

• 63matedlinesperlinearinch

• Dualbeamcontactconstructionforhighreliability

• End-to-endstackablewith5row3M CP2,HM, UHMandHSHMsockets

• Mateswith3MCP2,HM,UHM,HSHMheaders, andcPCItypeheaders

• SeeRegulatoryInformationAppendix(RIA)for chemicalcomplianceinformation.

Date Modified:April 21, 2009

TS-2312-A

 

Sheet 1 of 2

Physical

Insulation:

Material: High Temperature Thermoplastic (LCP)

Flammability: UL 94V-0

Contact:

Material: Copper Alloy

Plating: TG30

Performance

Mechanical:

Normal Force (Nominal): 0.57 N [58 g] Signal, (0.74 N [75 g] Shield with HSHM & UHM headers) Engagement Force (Nominal): 0.32 N [33 g] Signal, (0.22 N [22 g] Shield with HSHM & UHM headers)

Separation Force (Nominal): 0.20 N [20 g] Signal, (0.20 N [20 g] Shield with HSHM & UHM headers) Wipe (Nominal, Shortest Contact): 2.67 mm [0.105 in] Signal, 1.57 mm [0.062 in] Shield

Application: This module is not suitable for stand-alone use, additional guide features recommended per IEC 61076-4-101

Electrical:

Data Rate: 7+ Gbps data rates (when mated to standard IEC 61076-4-101 headers) Characteristic Impedance: 50 ΩSingle-ended, 100 ΩDifferential

Current Rating (Fully Loaded): 1 A @ 70° C Signal Insulation Resistance: 104 MΩ@ 100 VDC Withstanding Voltage: 750 VRMS

Environmental

Temperature Rating: -55° C to 125° C

3

Electronic Solutions Division

Interconnect Solutions http://www.3M.com/interconnects/

3M is a trademark of 3M Company. For technical, sales or ordering information call

800-225-5373

3M UHM User Manual

3MUltra Hard Metric (UHM) Press-Fit Socket

2 mm, C Type: 55 Signal Contacts, 5+2 Rows, Right Angle

UHM Series

 

mm

 

 

[Inch]

 

Tolerance Unless Noted

0.

.0

.00

mm 1

0.3

0.13

[ ] Dimensions used for

Reference Only

 

UHM-S055CL3-5AP1-XXXXX

UHM-S055CR3-5AP1-XXXXX

/ Z

Recommended Hole Pattern for UHM-S055CL3-5AP1-XXXXX and UHM-S055CR3-5AP1-XXXXX

Recommended hole pattern for UHM-S055CL0-5AP1-XXXXX and UHM-S055CR0-5AP1-XXXXX contains no vias in even positions on Row F/Z.”

 

Hole Plating Table mm [in.]

 

 

 

 

 

Finished Hole Dia. (D)

Cu. Thickness

SnPb Thickness

Drilled Hole Dia.

 

 

 

 

0.550 - 0.650 [.0217 - .0256]

0.025 - 0.045 [.0010 - .0018]

0.008 -0.018 [.0003 - .0007]

0.686 - 0.727 [.0270 - .0286]

Ordering Information

UHM-S055CLX-5AP1-XXXXX

UHM-S055CRX-5AP1-XXXXX

Number of Signal Contacts:

 

 

 

 

 

 

 

 

 

 

Plating Options µm [µ”]:

 

 

 

 

 

 

 

 

 

 

TG30 =

0.76

[30] Min.Au ContactArea

 

 

 

 

 

 

 

 

 

 

 

High Speed Option:

 

 

 

 

 

 

2.54

[100] Min. SnPbTerminalArea

 

 

 

 

 

 

1.27

[50] Min. NiAll over

 

 

0 = 50Ω Coaxial single-ended and 100Ω Differential pair

(RIAE2 & C2 apply)

applications for connection to 5 +2 row headers

 

Outer Row GroundTails in odd positions of Row F/Z

 

3 = 50Ω Coaxial single-ended and 100Ω Differential pair

 

applications for connection to 5 +2 row headers

TS-2312-A

Outer Row GroundTails in all positions of Row F/Z

 

Sheet 2 of 2

3

Electronic Solutions Division

Interconnect Solutions http://www.3M.com/interconnects/

3M is a trademark of 3M Company. For technical, sales or ordering information call

800-225-5373

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