americas Headquarters

Lisle, Illinois 60532 U.S.A.

1-800-78MOLEX

amerinfo@molex.com

asia pacific north Headquarters

Yamato, Kanagawa, Japan

81-46-265-2325

apninfo@molex.com

asia pacific south Headquarters

Jurong, Singapore

65-6268-6868

fesinfo@molex.com

european Headquarters

Munich, Germany

49-89-413092-0

eurinfo@molex.com

corporate Headquarters

2222 Wellington Ct.

Lisle, IL 60532 U.S.A.

630-969-4550

Fax:630-969-1352

Visit our website at www.molex.com/product/backplan/gbx.html

Order No. USA-250 Rev. 1

Printed in USA/JI/2007.09

©2007, Molex

Daughtercard Assembly

*Daughtercards are custom configured. Please visit the Molex Backplane Configurator web site to create a custom daughtercard at: www.molex.com/configurator.html

daughtercard assembly

2-pair

3-pair

4-pair

5-pair

Signal wafers, power modules,

and guide modules sequentially

assigned by application

75650-XXXX*

(High-speed differential pair signal

contacts only; wafer 75651-0001 for

reference information only)

75370-XXXX*

(High-speed signal contacts only;

wafer 75371-0001 for reference

information only)

75220-XXXX*

(Wafer 75221-0001 for reference

information only)

75360-XXXX*

(Wafer 75361-0001 for reference

information only)

Lite wafer blocks, power modules,

and guide modules sequentially

assigned by application

75670-XXXX*

Low-speed signal contacts only, Lite

wafer block 75671-0005 for reference

information only)

75660-XXXX*

Low-speed signal contacts only,

Lite wafer block 75661-0005 for

reference information only)

75420-XXXX*

Low-speed signal contacts only,

Lite wafer block 75421-0005 for

reference information only)

N/A

Lite wafer blocks, signal wafers,

power modules, and guide modules

sequentially assigned by application

75676-XXXX*

(High-speed differential pair signal

contacts 75651-0001 and low- speed

signal contacts 75671-0005 combined

in one assembly)

75666-XXXX*

(High-speed differential pair signal

contacts 75371-0001 and low-speed

signal contacts 75661-0005 combined

in one assembly)

75426-XXXX*

(High-speed differential pair signal

contacts 75221-0001 and low-speed

signal contacts 75421-0005 combined

in one assembly)

N/A

orderinG inFormation

1.85 by 1.85mm (.073

by .073”) pitch GbX*

Backplane connector system

in 2, 3, 4 and 5-pair

columns

2-pair (4 circuits per column)†

3-pair (6 circuits per column)†

4-pair (8 circuits per column)†

5-pair (10 circuits per column)†

Backplane Signal Header

Order No.

Circuits

Order No.

Circuits

Order No.

Circuits

Order No.

Circuits

5 Column Lite Open

75861-0504

25

75649-0504

40

75465-0505

55

N/A

N/A

10 Column Lite Open

75861-0104

50

75649-0104

80

75465-0104

110

N/A

N/A

25 Column Lite Open

75861-0204

125

N/A

N/A

75465-0204

275

N/A

N/A

10 Column Lite Guide Left

75861-2104

50

N/A

N/A

75465-2104

110

N/A

N/A

25 Column Lite Guide Left

75861-2204

125

N/A

N/A

75465-2204

275

N/A

N/A

10 Column Lite Guide Right

75861-4104

50

N/A

N/A

75465-4104

110

N/A

N/A

25 Column Lite Guide Right

75861-4204

125

N/A

N/A

75465-4204

275

N/A

N/A

5 Column Open

N/A

N/A

75433-0504

30

N/A

N/A

N/A

N/A

10 Column Open

75827-0104

40

75433-0104

60

75235-0104

80

75237-0104

100

25 Column Open

75827-0204

100

75433-0204

150

75235-0204

200

75237-0204

250

10 Column Guide Left

75827-2104

40

75433-2104

60

75235-2104

80

75237-2104

100

25 Column Guide Left

75827-2204

100

75433-2204

150

75235-2204

200

75237-2204

250

10 Column Guide Right

75827-4104

40

75433-4104

60

75235-4104

80

75237-4104

100

25 Column Guide Right

75827-4204

100

75433-4204

150

75235-4204

200

75237-4204

250

Backplane Signal Headers

† Multiple keying options are available; contact Molex Inside Sales.

Backplane power &

Guide components

2-pair

3-pair

4-pair

5-pair

order no.

circuits

order no.

circuits

order no.

circuits

order no.

circuits

Power

75492-1066

4

75331-0444

6

75341-4444

8

75517-7766

10

Stand-Alone Guide Pin Kit

75234-1508

75234-1469

75234-1469

75234-1469

Backplane Power and Guide Components