The DF12(4.0)36DP0.5V(80: This is a 36-position header from the Hirose DF12 series, with 0.50 mm pitch and a 4 mm mated stacking height.
Stacking height and mating half
The mated stacking height is 4 mm, which sets the board-to-board spacing.

Hirose DF12 series, 36-position header, 0.50mm pitch, 4mm mated stacking height, gold-plated contacts, surface mount, tube packaging
| Parameter | Value |
|---|---|
| Series | DF12 |
| Mounting | Surface Mount |
| Connector type | Header, Outer Shroud Contacts |
| Height above board | 0.130\" (3.30mm) |
| Mated stacking heights | 4mm |
| Pitch | 0.020\" (0.50mm) |
| Package | Tube |
| Features | Board Guide, Solder Retention |
| Contact finish | Gold |
| Rows | 2 |
| Positions | 36 |
The DF12(4.0)36DP0.5V(80: This is a 36-position header from the Hirose DF12 series, with 0.50 mm pitch and a 4 mm mated stacking height.
The mated stacking height is 4 mm, which sets the board-to-board spacing.
This part is obsolete, so we source it per RFQ against your BOM quantity.
The mating half is a DF12 series receptacle with 36 positions and 0.50 mm pitch, designed for a 4 mm mated stacking height.