The HZU3.3B2TRF-E is a zener diode, part number 151007-HZU3.3B2TRF-E, used in discrete semiconductor applications. It has a power rating of 200mW and a voltage tolerance of ±3.7%. The zener voltage is 3.38V, and the maximum impedance is 130 Ohms. This zener diode is surface mountable and comes in an SC-76A package. It operates at a temperature range of up to 150°C. The HZU3.3B2TRF-E is an obsolete product, but it is still available in the market. It is compliant with ECCN and HTSUS regulations. This zener diode is suitable for various electronic circuits that require voltage regulation.