Amphenol
Data Interconnects
SCSI
Small Computer System Interface Connectors
Board-Locks
– P/B w/100µ” Tin/Lead
– up to 1A
– 250VAC/rms 60Hz
All Amphenol SCSI products meet ANSI requirements for SCSI-1, SCSI-2 and SCSI-3. Other SCSI products, such as the SCSI-1 G57, G821 and G812/G822 can be
found in this catalogue. For Cable Assemblies consult representative. For detailed information on products listed below, request catalogue PC-97002.
Materials
(where applicable)
Insulator
Contacts
Shell
Shell Plating
Metal Brackets
– 94V-0 thermoplastic
– P/B with 50µ” Ni
– Carbon steel
– 100µ” over 50µ” Ni
– Zinc Alloy
Durability
Gold Flash – 70 cycles (standard)
15µ” Gold – 100 cycles (on Request)
30µ” Gold – 200 cycles (on Request)
Electrical
Current
Voltage Rating
G257
1.27x2.54mm High Density DSub Type Connector
Description
50 Position
68 Position
Receptacles
50 Position
68 Position
50 Position
68 Position
50 Position
68 Position
Plug
50 Position
68 Position
Right Angle PCB Mount with Gold
Flash Contacts, #4-40UNC flange
mount holes and Board-locks.
Shielded.
Cable Mount for 1.27mm pitch Flat
Cable (28~30 AWG). Gold Flash
Contacts and #4-40UNC flange holes.
Shielded.
Cable Mount for 1.27mm Discrete
Cable (28~30 AWG). Gold Flash
Contacts and #4-40UNC flange holes.
Shielded.
Cable Mount for 0.635mm pitch Flat
Cable (30~32 AWG). Gold Flash
Contacts and #4-40UNC flange holes.
Shielded.
Cable Mount for 0.635mm pitch Flat
Cable (30~32 AWG). Gold Flash
Contacts and #4-40UNC flange holes.
Plastic, unshielded.
G258
1.27mm Centronics Type Connector
Part Number System:
Part Number:
G257B 050 0011
G257B 068 0011
G257C 050 0010
G257C 068 0010
G257C 050 0011
G257C 068 0011
G257D 050 001
G257D 068 001
G257E 050 0
G257E 068 0
G258B XXX 0023
SCSI Centronics Right Angle PCB Receptacle
NUMBER OF POSITIONS
014: 14 Position
Suffix may be added to Part Number.
020: 20 Position
This Suffix is for Internal use mainly.
036: 36 Position
Additional Suffix ‘EU’ or ‘LF’ may be
050: 50 Position
added for RoHS compliant product.
068: 68 Position
SCSI Centronics IDC Cable Mount Connectors
CONTACT STYLE
0: Receptacle
1: Plug
Flash gold contact
finish, with #4-40UNC
threaded flange holes
& arrow-head board-
locks.
Mating Halves
G258J XXX X 0 X
Gold Flash Contacts
CABLE MOUNT OPTION (28~30AWG)
0: Flat Cable (1.27mm pitch)
1: Discrete Cable
G258J Plugs mates with G258B & G258J Receptacles
G157
2.16mm 50 Position Centronics IDC Connector Kit
Gender
Male
Female
Description
Plastic Hood and Connector Kit. Supplied with the
necessary accessories. For termination instructions,
consult representative.
Part Number:
G157 795 0001S
G157 895 0001S
G59
SCSI Terminator Series
Compatibility
Interface
25 way DSub Plug
Single Port Type
25 way DSub Feed
Through Type
50 way DSub Plug
Single Port
SCSI-1
Alternative 2 &
SCSI-2
Alternative 2
A Cable
SCSI-2
Alternative 1
A Cable
SCSI-2
B Cable
SCSI-3
P & Q Cable
50 way Centronics
Feed Through
Type
50 way Centronics
Single Port Type
50 way G257
Single Port Type
Type
Single-Ended Passive
Single-Ended Active
Single-Ended Passive
Single-Ended Active
Single-Ended Passive
Differential
Single-Ended Active
Single-Ended Passive
Differential
Single-Ended Active
Single-Ended Passive w/LED
Differential w/LED
Single-Ended Active w/LED
Single-Ended Passive w/LED
Differential w/LED
Single-Ended Active w/LED
Single-Ended Passive
Differential
Single-Ended Active
Single-Ended Active
Single-Ended Active w/LED
Differential
Single-Ended Active
Description
Over-molded PVC -
Beige
w/Thumbscrews
Shielded
Diagrams
Part Number:
G59 01701
G59 01702
G59 01703
G59 01704
G59 01705
G59 01706
G59 01707
G59 05701
G59 05702
G59 05703
G59 05704
G59 05705
G59 05706
G59 25701
G59 25702
G59 25709
G59 25715
G59 25716
G59 25717
G59 25705
G59 25714
G59 25704
G59 25703
SCSI-1
Over-molded PVC –
Beige Shielded
68 way G257 Plug
Single Port Type
68 way G257 Rec.
Single Port
Over-molded PVC -
Beige
w/Thumbscrews
Shielded
Suffix may be added to Part Number.
This Suffix is for Internal use mainly.
Additional Suffix ‘EU’ or ‘LF’ may be
added for RoHS compliant product.
Over-molded PVC –
Black Shielded
G60
SCSI Adapters
Compatibilty
SCSI-1 to SCSI-1
SCS-1 to SCSI-2
SCSI-1 to SCSI-3
SCSI-2 to SCSI-3
Type
25 DSub Plug to 50 Centronics Rec.
50 G257 Plug to 50 Centronics Rec.
25 DSub Rec to 50 G257 Plug.
50 IDC Socket to 68 G257 Rec.
50 G257 Rec. to 68 G257 Plug
50 G257 Rec. to 68 G257 Rec.
Description
Over-molded PVC - Beige
Suffix may be added
to Part Number.
This Suffix is for
Internal use mainly.
Additional Suffix ‘EU’ or ‘LF’ may be
added for RoHS compliant product.
Part Number:
G60 1003
G60 1006
G60 1009
G60 1012
G60 1015
G60 1018
AMTA
Diagrams
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