Freakish Member May 29, 2018 #1 Took some closeups with my cheap usb microscope. lm301B S0 3000k lm301B S0 3500k lm561B S0 3000k lm561B S0 3500k lm561B+ S5 3000k lm561B+ S5 3500k lm561C S5 3000k lm561C S5 3500k lm561C S6 3000k lm561C S6 3500k
Took some closeups with my cheap usb microscope. lm301B S0 3000k lm301B S0 3500k lm561B S0 3000k lm561B S0 3500k lm561B+ S5 3000k lm561B+ S5 3500k lm561C S5 3000k lm561C S5 3500k lm561C S6 3000k lm561C S6 3500k
nfhiggs Well-Known Member Jun 2, 2018 #2 nice. shows the real difference in the 561C/561B+ and that's the die size.
