I found this info previously, maybe what your are looking for -
23209-74220 Toyota (AS 23250-74220)______________Pintle holes Resistance (ohms)_Duration Time (14v) _Base fuel kg/cmsqd_CC/min
340cc____ SXE10____3S-GE______ Aizo White__Ellipse_____6__________14__________ 0.76ms__________2.55________340
__________________________________________________________________________0.76ms__________3.05________370
__________________________________________________________________________0.78ms__________3.55________400
I cannot find the link for this but it came from an excel spread sheet labelled injector specs JDM.