-parts connectors for HE 801 - HE 804 - HE 807 circuit boards are composed of 2 or 3 rows of single alternating staggered contacts with a 2.54 mm pitch.
The HE 807 series modular connectors following on from the HE 801 series are composed of sockets for special connections (coaxial, power, etc...).
HE 801 series: Cylindrical male contacts
HE 804 series: Flat male contacts
HE 807 series: Cylindrical male contacts and sockets for special connections.
Female contacts are identical in the 3 series.