Product Manual - Hawk 1 Family SCSI-2 (Volume 1), Rev. D
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11.6.3.2
Mating connectorsfor "NC" models
The non-shielded connector shall be an 80 conductor connector consisting of two rows of 40 contacts
with adjacent contacts 50 mils (1.27 mm) apart. The connector is keyed by its shape. The characteristics
of the drive's PCB mounted connector are shown in Figure 11.6.3-1b.
Recommended mating flat cable connector part numbers are:
Seagate P/N:
77678558
Amp P/N:
557089-7
Recommended PCB or bulkhead mounted connectors are:
Straight-in connector (most commonly used):
Seagate P/N:
77678703
Amp US P/N:
2-557103-1
Amp Japan P/N:
5-175475-9
Right Angle to PCB connector:
Seagate P/N:
77678559
Amp US P/N:
2-557101-1
Amp Japan P/N:
5-175474-9
Figure 11.6.3-1. A Non shielded, 50 pin SCSI device connector and 4 pin DC power drive PCB connector
1
2
3
4
.100
(2.54)
"D" ± .010
typ
.045
(1.14)
"C" ± .010
"B" ref
"A" ± .010
.834 ± .010
(21.18)
min typ 3
.051
(1.30)
.16
(4.06)
.100
(2.54)
.025
(.64)
Square Contact
(50 places)
CL
.040
(1.02)
ref
.335 ± .010
(8.50)
+.001
–.002
dia
.083
(2.1)
Trifurcated Pins
(4 places)
.26
(6.60)
typ
.065
(1.65)
x 45° chamfer typ
.20
(5.08)
typ
.60
(15.24)
.42
(10.67)
ref
No. Pos.
50
"A"
3.767
(95.68)
"B"
3.697
(93.90)
"C"
2.720
(69.09)
"D"
2.400
(60.96)
.037 ref typ
(.94)
.370 ± .010
(9.398)
Pin 1
58
