Microsemi Corporation SMBG4739AE3/TR13 is an obsolete zener diode that is no longer in production. It is a 9.1V zener diode with a tolerance of ±5%. The power max is 2 W, and the voltage forward (Vf) (max) @ If is 1.2 V @ 200 mA. The current reverse leakage @ Vr is 10 μA @ 7 V, and the impedance (Max) (Zzt) is 5 Ohms. The package is Tape & Reel (TR), and the mounting is SMD (SMT). The SMBG4739AE3/TR13 is a part of the SMBG4739 family and was introduced on September 26, 1997. The estimated EOL date is obsolete. The SMBG4739AE3/TR13 has an ECCN of EAR99 and is categorized under Discrete Semiconductor Products > Diodes - Zener - Single. The REACH status is REACH Unaffected.