TO-237 Package: What the JEDEC Outline Actually Is
The TO-237 package is a registered JEDEC transistor outline titled “Header Family, Flat Index,” last revised to Issue B in October 1979. It is not,
August 21, 2026
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The TO-237 package is a registered JEDEC transistor outline titled “Header Family, Flat Index,” last revised to Issue B in October 1979. It is not,
The TO-220F package is a TO-220 with the mounting tab moulded inside the plastic, so it bolts to a grounded heatsink with no washer and
TO-220AB is the JEDEC designation for the three-straight-lead TO-220 package. The AB suffix names a lead count against a dimensional spec — not a larger
The TO-220-5 package is the five-lead member of the TO-220 family: the same roughly 10 mm body and bolt-down tab, with leads on 1.7 mm
The TO-220 package is a three-lead through-hole power outline, 10.11–10.51 mm wide on 2.41–2.67 mm lead pitch, with a metal tab that is electrically live
The TO-218 package is a three-lead through-hole power outline with an exposed, electrically live metal tab — the footprint on a TIP35C, a BUV48A or
The TO-18 package is a hermetic metal can measuring 4.52 to 4.95 mm across the cap, 4.32 to 5.33 mm tall, on a flange of