BM20 Series, 0.4mm Pitch, 0.8mm Stack Height, Board to Board Connector

Hirosesam — Fri, 08 Oct 2021 04:52:26 GMT

Current Revision posted to Documents by Hirosesam on 10/8/2021 4:52:26 AM

Hirose have introduced the BM20 series to offer a solution for miniature device applications needing small footprints and very low height profiles.

The BM20 connector range is one of the smallest connectors in its class. The 40 position (receptacle) version has a length of only 10.48mm and a depth of only 2.3mm. The ultra low parallel stack height is only 0.8mm.

Despite the compact dimensions, performance is not compromised and highly reliable mechanical connection is guaranteed.

This is achieved by the utilisation of special unique two point contacts. Dimples on the contacts allow for a positive click and a tactile

sensation to confirm correct and complete mating.

In addition, the dimples of the header contacts absorbs shock, reducing damage from drop impact. When the connector is in the mated position the contacts are fully enclosed in the housing to protect against solder waste and flux.

The termination area of the contact features a nickel barrier area to prevent solder wicking.

Guide ribs are incorporated into the housing body allowing a wide self alignment range of 0.3mm in X or Y direction permitting smoother mating operation.

At each corner of the connector, metal fittings are present to increase the retention force of the connector to the board and protect the contacts from mechanical stress.

Key Features

20 - 60 contact positions
0.8mm stack height
0.4mm contact pitch
0.3A current rating
30V AC voltage rating
Space saving, low profile design
Shock absorbing configuration
Enhanced self alignment
10 mating cycles

Ideal applications are PDA’s, portable handheld devices, POS and any other small devices.

Attachments:

community.element14.com/.../BM20-Flyer.pdf

BM20 Flyer.pdf

Tags: 0.4mm_pitch, 0.8mm_stack_height, board_to_board