Amphenol • HE7/HE9
9
254 DF / HE901 >>> POLARIZATION FOR DIRECT CONNECTION
Direct connection is made by a female receptacle directly mated with a 1,6 ± 0,2 [.063 ± .008] printed circuit board
With a loss of contacts
With a loss of contacts
- A polarizing key is mounted in place of a contact pair, with a corresponding cut-out in the circuit board
- A polarizing key is mounted on the barrier between two contact cavities, with a corresponding cut-out in the circuit board - 1: Polarising key mounted in a receptacle
Part number: Width 1 MAX [.039] Width 1,2 MAX [.047]
049534 021736
020917
Width 0,7 MAX [.028]
FOR INDIRECT CONNECTION
Indirect connection is made by a female receptacle mated with a male plug (two-part connectors) The polarizing system is done by: A polarization part, mounted on the plug
A polarization part mounted on the receptacle Polarization is made without loss of contacts
For female receptacle
For male plug
- 2 guides (a) - 10 keying fingers (b)
- 2 posts (c) for guiding - 10 closed cavities (d)
b
d
- 5 identified by letters, from A to E on one side - 5 identified by figures, from 1 to 5 on the other side - To key the connection, break off 1 to 3 fingers on each side (no matter the position) - It is preferable to keep at least 2 fingers on each side, corresponding to the opened cavities on the plug system
- 5 identified by letters, from A to E on one side - 5 identified by figures, from 1 to 5 on the other side - To key the connection, open 1 to 4 cavities on each side (no matter the position) corresponding to the remaining fingers on the receptacle system
a
c
254 DFD**E
254 DFD**B
Part number
Part number
All dimensions are given for information only and are in mm [inch], except as otherwise specified
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