Thin small outline package (TSOP) is a type of surface mount IC package. They are very low-profile and have tight lead spacing.
History
The TSOP package was developed to fit the reduced package height available in a PCMCIA PC Card. ==Physical properties==
Physical properties
39F1601 W982516BH75L TSOPs are rectangular in shape and come in two varieties: Type I and Type II. Type I ICs have the pins on the shorter side and Type II have the pins on the longer side. The table below shows basic measurements for common TSOP packages. Type IType II == HTSOP ==
HTSOP
HTSOP (Heatsink TSOP) is a variant of TSOP with an exposed pad on the bottom side. The pad is soldered to the PCB to transfer heat from the package to the PCB. ==Similar packages==