Dielectric structure: Common anode-cathode (midpoint). Semiconductor material: Sb. Function: Mixer applications in VHF/UHF range. Forward current (AV): 130mA. MRI (max): 1.25uA. MRI (min): 0.25uA. Marking on the case: 54s. RoHS: yes. Assembly/installation: surface-mounted component (SMD). Housing: SOT-23 ( TO-236 ). Housing (according to data sheet): SOT-23 ( TO236 ). Operating temperature: -55...+125°C. Threshold voltage Vf (max): 0.6V. Forward voltage Vf (min): 0.2V. VRRM: 4 v. Quantity per case: 2. Number of terminals: 3. Note: screen printing/SMD code 54s. Spec info: RF 8 Ohms, max 15 Ohms / CT 0.55pF