Part Number: PA-DSO-2003-D310-20/2
Description:
20 pin DIP 0.3" board and two 20 pin 0.310" plugs.
Price: ￥7,900
PDF Datasheet: dip-so.pdf

Top Side; Pins: 20 Pitch: 0.100"
Bottom Side; Pins: 20 Pitch: 0.050"