The RM4136 and RV4136 are obsolete and are no longer supplied.
RC4136, RM4136, RV4136 QUAD GENERAL-PURPOSE OPERATIONAL AMPLIFIERS
SLOS072A MARCH 1978 REVISED JANUARY 2002
D D D D D D D D D
Original
Always verify details of parts you are evaluating, as these parts are offered as suggestions for what you are looking for and are not guaranteed.