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NEW
High-Speed Differential Signal Connectors
EXT Series
1 Gbps Eye Pattern Waveform
(One End of Connector: 2 m of AWG #28 Twinax Cable)
01. High-Speed Differential Signals
The construction supports high-speed differential signals such as LVDS, IEEE 1394, and USB 2.0. Use of twisted pair cable or twinax cable permits transmission speeds up to several hundred Mbps and higher per twisted pair. (A) Impedance Matching The connector is designed to minimize reflections with a differential impedance of 100 ohms between adjacent contacts. (B) Low Skew Construction An equivalent electrical length is maintained between adjacent contacts while the equivalent electrical length between opposing terminals is approximately zero. Consequently the skew within differential pairs as well as between differential pairs is approximately zero. However, a low skew between differential pairs is permitted by going through another layer of the board. (C) Low Crosstalk The design features a staggered arrangement between opposing contacts for low crosstalk effects between opposing pairs even though these are low-profile connectors.
Gap between opposing contacts
sFeatures
Differential impedance between adjacent contacts is 100 ohms
Adjacent contacts
02. Batch Wiring of Cables Using Solder Paste
Soldered wiring has been used as the wiring method for the plug side composite cable, thin cable, and drain wires; however, paste soldering permits the batch wiring of prepared cables. (Existing soldering methods can also be used to wire the connectors.)
03. No Shrink Tubing Required
The wiring portion of the plug side is secured by the molding which prevents short circuits without the use of shrink tubing. Since shrink tubing is not used, this allows the twist back length of the twisted pair cable or the twinax cable to be shortened, thereby permitting the impedance of the wiring section to be kept in check.
04. Power and Signal Contacts
The 65 position connector is designed with 59 signal contacts and 6 power contacts. Each power contact is rated for 2 Amps. The 71 position connector is supplied with signal contacts only.
05. Low-Profile Design
With the trend toward lower profiles, the receptacle is made to drop into the board, which results in a height dimension, including the board, of 5.6mm. 2001.6
Equivalent electrical length
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sProduct Specification
Operation temperature range Ratings Voltage Current Item 1. Contact resistance Standard Signal contacts: 40 mo max. Power supply contacts: 16 mo max. Measured at 100 mA Measured at 250 V DC Applied a voltage of 350 V AC for one minute. -55c to +85c 125 V AC Signal contacts Power supply contacts Condition
1A 2A
2. Insulation resistance 500 Mo max. 3. Withstand voltage No flashover or insulation breakdown Contact resistance Signal contacts: 60 mo max. 4. Mechanical operation Power supply contacts: 24 mo max. No damage, cracks, or loose parts 5. Vibration 6. Shock No momentary disconnections of 1s max. Contact resistance Signal contacts: 60 mo max. Power supply contacts: 24 mo max. No damage, cracks, or loose parts
Performed 3,000 cycles of insertion/withdrawal. Frequency: 10 to 55 Hz (5 minutes per cycle) Total amplitude: Test at 1.5 mm in 3 directions, 2 hours each Acceleration: 490 m/s2, 11 ms duration Test with a sine wave in 3 axes, both directions, 3 times each Conduct a test of 5 cycles of the following: Temperature cycle: -55 +15 to +35 +85 +15 to +35c Time : -30 +10 to +15 +30 10 to 15 minutes Temperature of 40c 2c and humidity of 90% to 95% for 96 hours 5% concentration of salt water for 48 hours
7. Temperature cycle Contact resistance Signal contacts: 60 mo max. Power supply contacts: 24 mo max. Insulation resistance: 500 Mo max. 8. Steady-state 8. humidity resistance No damage, cracks, or loose parts 9. Salt spray No conspicuous corrosion
sMaterials qReceptacle
Part Contacts Insulator Body Metal Fitting Material Copper alloy LCP Steel Stainless steel Finish Gold plating UL94U-0 Nickel plating Solder plating
qPlug
Part Contacts Insulator Body Strain relief LCP Steel Polycarbonate Material Copper alloy Finish Selective gold plating UL94U-0 Nickel plating UL94U-0
qCover
Part Cover Shield Lock Push button Clamp Metal hold down Material Polycarbonate Stainless steel Stainless steel Polycarbonate Brass Steel Finish UL94HB --------UL94HB ----Black nickel plating
2
sOrdering Information qReceptacles
1 2 3 4 5 6 7 Series name : EX**T Wiring type : 40 : Cable soldering type : 60 : Right angle SMT type Body size Number of conductors Contact type : P : Male contact : S : Female contact Connector mating direction : No symbol : Standard type : R : Reverse type Cover type : CT : Straight type : CV : Angled type
E X 6 0 T - C 71 P
1 2 1 3 4 5
qPlugs
E X 4 0 T - C 71 P R
1 2 1 3 4 5 6
qCase cover
E X 4 0 T - C CT
1 2 1 3 7
sConnector Mounting Reference Diagram
Using a standard type plug (EX40T-C71S)
EX40T-CCT Cover screw surface
Using a reverse type plug (EX40T-C71SR)
EX40T-CCT Cover screw surface
( 6.5 )
EX60T-C71P
( 4.5 ) ( 5.5 ) PCB mounting surface
; ; ;
( 6.5 )
( 4.3 ) ( 5.3 )
EX60T-C71P
( 4.5 ) ( 5.5 ) PCB mounting surface
; ; ;
( 4.3 ) ( 5.3 )
3
sReceptacle
q71 contact (Signal contacts only)
EX60T-C71P (CL232-0584-4)
39.2 36
O2 .8
1.5
P= 0.5
5 50.6 54.6 56.2 2.9 5.6 Board SMT surface
BBoard Mounting Diagram (for Reference)
Establishing the discardable portion of the board indicated by the shaded area of the diagram below, serves to prevent the board from falling forward at the time of reflow. Making a V-shaped cut in the discardable portion of the board allows access to the connector by bending and breaking off this portion after reflow.
O1.25 (Hole) 4-1.7x1.7 3.1 1.3 1.5
45.2 40.6 36 P= 0.5 1.65x1.25 (Elliptical hole) O3 (Hole)
5
9.4
5.5
2 7.9 5.8
20.3
0.35
8.7
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44.8 50.6 55.4 57
4
13.7
A
sReceptacle
q65 contact (59 signal contacts, 6 power supply contacts)
EX60T-C65P (CL232-0588-5)
39.2 36
O2 .8
1.5
P= 0.5
5 50.6 54.6 56.2 2.9 5.6 Board SMT surface Power supply contacts (six)
BBoard Mounting Diagram (for Reference)
Establishing the discardable portion of the board indicated by the shaded area of the diagram below, serves to prevent the board from falling forward at the time of reflow. Making a V-shaped cut in the discardable portion of the board allows access to the connector by bending and breaking off this portion after reflow.
O1.25 (Hole) 4-1.7x1.7 3.1 1.3 1.5
45.2 40.6 36 P= 0.5 1.65x1.25 (Elliptical hole) O3 (Hole)
5
9.4
5.5
2 7.9 5.8
20.3
0.35
8.7
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44.8 50.6 55.4 57
13.7
A
5
sPlug (Standard type)
q71 contact (Signal contacts only)
EX40T-C71S (CL232-0583-1)
35 P= 1
4
9.2 40.5 43 43.8 5.6
14
4.1 5.6
q65 contact (59 signal contacts, 6 power supply contacts)
EX40T-C65S (CL232-0589-8)
35 P= 1
4
9.2 40.5 43 43.8 5.6
14
4.1 5.6
Power supply contacts
6
sPlug (Reverse type)
q71 contact (Signal contacts only)
EX40T-C71SR (CL232-0587-2)
35 P= 1
4
9.2 40.5 43 43.8 5.6
14
4.1 5.6
q65 contact (59 signal contacts, 6 power supply contacts)
EX40T-C65SR (CL232-0594-8)
17 P=2
17.5 P=1
4
9.2 40.5 43 43.8 Power supply contacts 5.6
14
4.1 5.6
7
sCover
qStraight cover
EX40T-CCT (CL232-0586-0)
8.2
42
8.2
10.8
39
52
5 8.8
qAngled cover
EX40T-CCV (CL232-0591-0)
11.4 42 6
47
5 52 8.8
8
sTechnical Notes 1
qEye Pattern Waveforms
These eye pattern waveforms are from connectors harnessed with 2 m of twinax cable for high-speed differential signal applications. Input Waveform Output Waveform
qImpedance Characteristics
These differential impedance characteristics have been measured with 45 ps rise time pulses. The impedance drops slightly in the vicinity of the connector coupling portion.
200 180 160 140 120 100 80 60 40 20 0 0 100 200 300 400 500 600 700 800
Time (ps)
Impedance (o)
Upper contacts Lower contacts
qCrosstalk Characteristics
Crosstalk characteristics between opposing differential pairs.
0 -10 -20 -30 -40 -50 -60 -70 -80 -90 0 100 200 300 400 500
Crosstalk (dB)
Frequency (MHz)
9
sTechnical Notes 2
qConnection Pattern of Differential Signals
Differential signals should be arranged between adjacent contacts as illustrated in the diagram below for the purpose of impedance matching and equivalent electrical length. Furthermore, the establishment of a ground will be effective in reducing the crosstalk between adjacent differential pairs. Note also that for faster high-speed differential signals, gathering them to the center portion will permit control of the electrical length at the time of harnessing.
GND DATA2 DATA2 GND DATA1 DATA1
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qLow Skew Between Opposing Differential Pairs
The electrical length between adjacent contacts is equal, but the electrical length between opposing contacts differs by approximately 1.2 mm. As illustrated in the diagram to the right, the differential pair of contacts having a short electrical length on the upper side of the board can be given an electrical length equivalent to that between the opposing differential pair by adjusting the electrical length using such methods as through holes in the board. The crosstalk on the board between differential pairs is also reduced.
Differential pair (2)
Upper-side contact
1.2
Lower-side contact
qPower Supply Contacts Configuration Diagram
The 65-contact type is configured with 6 power supply contacts. The power supply contacts are divided into 2 leads within the receptacle-side connector (EX60T-C65P) which results in differing numbers of coupling surface-side contacts and board-side lead portion contacts.
EX60T-C71P
10
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;;;; ; ;;;; ;
EX60T-C65P
Power supply contacts (6)
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Differential pair (1)
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Electrical length adjustment portion
Difference between contact electrical lengths
qAnchoring to the Case
Mounting of the receptacle connectors makes use of screws to fasten the connectors to the case as illustrated in the diagram below. This contributes to a structure that is resistant to twisting.
EX60T-71P
M2 countersunk screw
qA Design that Doesn't Use Heat-Shrink Tubing
The soldered wiring portion of the plug connector is secured to the molding which serves as a measure against the short-circuiting of adjacent contacts. This eliminates the need to attach heat-shrink tubing. The plug connector has been furnished with a retaining plate made of resin material for the purpose of preventing short circuits with the metal portions of the cover case.
Molding
Contact
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qBatch Wiring of Plug Connectors
These connectors permit the batch soldered wiring of cables prepared with paste solder and partial reflow. (Regularly soldered wiring is used for power supply contacts.) Please contact our Technical Department about harness details for the purpose of satisfying harness qualities and high-speed transmission characteristics.
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2.9 PCB
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Embedded nut
Case
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;; ;;; ;;;
Insulating retaining plate
5.6
11
MEMO :
Creativ e
ks to World El e Lin
HIROSE ELECTRIC CO.,LTD.
5-23,OSAKI 5-CHOME,SHINAGAWA-WARD,TOKYO 141-8587,JAPAN PHONE:81-3-3491-9741 FAX :81-3-3493-2933
12
The contents of this catalog are current as of June 2001. Contents are subject to change without notice for the purpose of improvements.
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