3M UHM User Manual

3M™ Ultra Hard Metric (UHM) Press-Fit Socket

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

• 7+GbpsdatarateswhenmatedtostandardIEC
61076-4-101headers.

• Lowcrosstalkathighfrequencies

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

• Modular/scalableformatIEC61076-4-101

• Press-theadersandreceptacles

• 63matedlinesperlinearinch

• Dualbeamcontactconstructionforhighreliability

™

CP2,HM,

Physical

• End-to-endstackablewith5row3M
UHMandHSHMsockets

• Mateswith3M
andcPCI

• SeeRegulatoryInformationAppendix(RIA)for
chemicalcomplianceinformation.

Date Modied: April 21, 2009 TS-2312-A
Sheet 1 of 2

Insulation:

Material: High Temperature Thermoplastic (LCP)

Flammability: UL 94V-0

Contact:

Material: Copper Alloy

Plating: TG30

™

™

CP2,HM,UHM,HSHMheaders,

typeheaders

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:

Current Rating (Fully Loaded): 1 A @ 70° C Signal

Insulation Resistance:

Withstanding Voltage: 750 V

50 Ω Single-ended, 100 Ω Differential

4

10

MΩ @ 100 V

RMS

DC

Environmental

Temperature Rating:

3

Electronic Solutions Division
Interconnect Solutions

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

-55° C to 125° C

For technical, sales or ordering information call

3M is a trademark of 3M Company.

800-225-5373

3M™ Ultra 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:

High Speed Option:
0 = 50Ω Coaxial single-ended and 100Ω Differential pair

applications for connection to 5
Outer Row Ground Tails in odd positions of Row F/Z

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

applications for connection to 5
Outer Row Ground Tails in all positions of Row F/Z

+

2 row headers

+

2 row headers

Plating Options µm [µ”]:

TG30 = 0.76 [30] Min. Au Contact Area

2.54 [100] Min. SnPb Terminal Area

1.27 [50] Min. Ni All over
(RIA E2 & C2 apply)

TS-2312-A

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