Guesswork based on the following body and footprint measures:
Dimension Comchip (CGRKM400x) Rohm (RR264M-400) MCC (SM400xPL)
--------- ------------------- ----------------- --------------
B 1.4 - 1.8 1.6 +/- 0.1 1.40 - 1.90
H 2.4 - 2.8 2.6 +/- 0.1 2.55 - 3.10
Cx 3.30 3.05 129 mil = 3.3 mm
Px 1.40 0.85 39 mil = 0.9 mm
Py 1.90 1.2 48 mil = 1.2 mm
C
Gap 1.90 2.20 93 mil = 2.4 mm
End-to-end pad 4.70 3.90 165 mil = 4.2 mm
End-to-end pin 3.30-3.70 3.5 +/- 0.12 3.55 - 3.85